c_src: regenerate with soft nullable handling
[nit.git] / c_src / array._sep.c
index 086d6a2..d4cf6b6 100644 (file)
@@ -1,41 +1,55 @@
 /* This C file is generated by NIT to compile module array. */
 #include "array._sep.h"
-val_t array___AbstractArray_____eqeq(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 199, LOCATE_array___AbstractArray_____eqeq};
+val_t array___AbstractArrayRead_____eqeq(val_t  self, val_t  param0) {
+  struct trace_t trace = {NULL, NULL, 128, LOCATE_array___AbstractArrayRead_____eqeq};
   val_t variable[7];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Result */
   variable[3] = TAG_Bool(( variable[1] /*o*/==NIT_NULL) || VAL_ISA( variable[1] /*o*/, COLOR_AbstractArray, ID_AbstractArray)) /*cast AbstractArray[E]*/;
-  variable[3] =  TAG_Bool(!UNTAG_Bool(variable[3]));
+  variable[3] =  TAG_Bool(!UNTAG_Bool(variable[3])) /* Ensure var: Left 'or' operand*/;
   if (!UNTAG_Bool(variable[3])) { /* or */
+    /* Register variable[3]: Result */
     variable[3] = TAG_Bool(IS_EQUAL_NN( variable[1] /*o*/, NIT_NULL /*null*/));
   }
+  /* Register variable[3]: Result */
   if (UNTAG_Bool(variable[3])) { /*if*/
     variable[2] =  TAG_Bool(false);
     goto return_label0;
   }
+  /* Register variable[3]: Result */
   variable[3] = TAG_Bool(( variable[1] /*o*/==NIT_NULL) || VAL_ISA( variable[1] /*o*/, COLOR_AbstractArray, ID_AbstractArray)) /*cast AbstractArray[E]*/;
-  if (!UNTAG_Bool(variable[3])) { fprintf(stderr, "Assert%s failed", ""); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___AbstractArray_____eqeq, LOCATE_array, 203); nit_exit(1);}
-  variable[4] = variable[0];
-  variable[4] = ((array___AbstractArray___length_t)CALL(variable[4],COLOR_abstract_collection___Collection___length))(variable[4]) /*AbstractArray::length*/;
+  if (!UNTAG_Bool(variable[3])) { fprintf(stderr, "Assert%s failed", ""); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___AbstractArrayRead_____eqeq, LOCATE_array, 132); nit_exit(1);}
+  /* Register variable[3]: Local variable */
+  /* Register variable[4]: Result */
+  variable[4] = CALL_abstract_collection___Collection___length(variable[0])(variable[0]) /*AbstractArrayRead::length*/;
   variable[3] = variable[4];
-  variable[4] = ((array___AbstractArray___length_t)CALL( variable[1] /*o*/,COLOR_abstract_collection___Collection___length))( variable[1] /*o*/) /*AbstractArray::length*/;
+  /* Register variable[4]: Result */
+  variable[4] = CALL_abstract_collection___Collection___length( variable[1] /*o*/)( variable[1] /*o*/) /*AbstractArrayRead::length*/;
+  /* Register variable[4]: Result */
   variable[4] = TAG_Bool((variable[4])!=( variable[3] /*l*/));
   if (UNTAG_Bool(variable[4])) { /*if*/
     variable[2] =  TAG_Bool(false);
     goto return_label0;
   }
+  /* Register variable[4]: Local variable */
   variable[4] =  TAG_Int(0);
   while (true) { /*while*/
+    /* Register variable[5]: Result */
     variable[5] = TAG_Bool(UNTAG_Int( variable[4] /*i*/)<UNTAG_Int( variable[3] /*l*/));
     if (!UNTAG_Bool(variable[5])) break; /* while*/
-    variable[5] = variable[0];
-    variable[5] = ((abstract_collection___Map_____bra_t)CALL(variable[5],COLOR_abstract_collection___Map_____bra))(variable[5],  variable[4] /*i*/) /*Map::[]*/;
-    variable[6] = ((abstract_collection___Map_____bra_t)CALL( variable[1] /*o*/,COLOR_abstract_collection___Map_____bra))( variable[1] /*o*/,  variable[4] /*i*/) /*Map::[]*/;
-    variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[5] == variable[6]) || ((variable[5] != NIT_NULL) && ((((kernel___Object_____eqeq_t)CALL(variable[5],COLOR_kernel___Object_____eqeq))==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5],variable[6])):(UNTAG_Bool(((kernel___Object_____eqeq_t)CALL(variable[5],COLOR_kernel___Object_____eqeq))(variable[5], variable[6]) /*Object::==*/)))))));
+    /* Register variable[5]: Result */
+    variable[5] = CALL_abstract_collection___MapRead_____bra(variable[0])(variable[0],  variable[4] /*i*/) /*MapRead::[]*/;
+    /* Register variable[6]: Result */
+    variable[6] = CALL_abstract_collection___MapRead_____bra( variable[1] /*o*/)( variable[1] /*o*/,  variable[4] /*i*/) /*MapRead::[]*/;
+    /* Register variable[5]: Result */
+    variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[5] == variable[6]) || ((variable[5] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[5])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5],variable[6])):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[5])(variable[5], variable[6]) /*Object::==*/)))))));
     if (UNTAG_Bool(variable[5])) { /*if*/
       variable[2] =  TAG_Bool(false);
       goto return_label0;
@@ -50,26 +64,33 @@ val_t array___AbstractArray_____eqeq(val_t  self, val_t  param0) {
   tracehead = trace.prev;
   return variable[2];
 }
-void array___AbstractArray___output(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 186, LOCATE_array___AbstractArray___output};
+void array___AbstractArrayRead___output(val_t  self) {
+  struct trace_t trace = {NULL, NULL, 115, LOCATE_array___AbstractArrayRead___output};
   val_t variable[6];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Local variable */
   variable[2] =  TAG_Int(0);
-  variable[4] = variable[0];
-  variable[4] = ((array___AbstractArray___length_t)CALL(variable[4],COLOR_abstract_collection___Collection___length))(variable[4]) /*AbstractArray::length*/;
+  /* Register variable[3]: Local variable */
+  /* Register variable[4]: Result */
+  variable[4] = CALL_abstract_collection___Collection___length(variable[0])(variable[0]) /*AbstractArrayRead::length*/;
   variable[3] = variable[4];
   while (true) { /*while*/
+    /* Register variable[4]: Result */
     variable[4] = TAG_Bool(UNTAG_Int( variable[2] /*i*/)<UNTAG_Int( variable[3] /*l*/));
     if (!UNTAG_Bool(variable[4])) break; /* while*/
-    variable[5] = variable[0];
-    variable[5] = ((abstract_collection___Map_____bra_t)CALL(variable[5],COLOR_abstract_collection___Map_____bra))(variable[5],  variable[2] /*i*/) /*Map::[]*/;
+    /* Register variable[4]: Local variable */
+    /* Register variable[5]: Result */
+    variable[5] = CALL_abstract_collection___MapRead_____bra(variable[0])(variable[0],  variable[2] /*i*/) /*MapRead::[]*/;
     variable[4] = variable[5];
-    variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[4] /*e*/ ==  NIT_NULL /*null*/) || (( variable[4] /*e*/ != NIT_NULL) && ((((kernel___Object_____eqeq_t)CALL( variable[4] /*e*/,COLOR_kernel___Object_____eqeq))==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[4] /*e*/, NIT_NULL /*null*/)):(UNTAG_Bool(((kernel___Object_____eqeq_t)CALL( variable[4] /*e*/,COLOR_kernel___Object_____eqeq))( variable[4] /*e*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
+    /* Register variable[5]: Result */
+    variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[4] /*e*/ ==  NIT_NULL /*null*/) || (( variable[4] /*e*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[4] /*e*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[4] /*e*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[4] /*e*/)( variable[4] /*e*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
     if (UNTAG_Bool(variable[5])) { /*if*/
-      ((kernel___Object___output_t)CALL( variable[4] /*e*/,COLOR_kernel___Object___output))( variable[4] /*e*/) /*Object::output*/;
+      CALL_kernel___Object___output( variable[4] /*e*/)( variable[4] /*e*/) /*Object::output*/;
     }
     variable[2] = TAG_Int(UNTAG_Int(variable[2])+UNTAG_Int( TAG_Int(1))) /*i*/;
     continue_3: while(0);
@@ -79,31 +100,35 @@ void array___AbstractArray___output(val_t  self) {
   tracehead = trace.prev;
   return;
 }
-val_t array___AbstractArray___iterator(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 197, LOCATE_array___AbstractArray___iterator};
-  val_t variable[4];
-  void **closurevariable = NULL;
+val_t array___AbstractArrayRead___iterator(val_t  self) {
+  struct trace_t trace = {NULL, NULL, 126, LOCATE_array___AbstractArrayRead___iterator};
+  val_t variable[3];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[2] = variable[0];
-  variable[3] = NEW_ArrayIterator_array___ArrayIterator___init(variable[2]); /*new ArrayIterator[E]*/
-  variable[2] = variable[3];
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Result */
+  variable[2] = NEW_ArrayIterator_array___ArrayIterator___init(variable[0]) /*new ArrayIterator[E]*/;
   variable[1] = variable[2];
   goto return_label4;
   return_label4: while(false);
   tracehead = trace.prev;
   return variable[1];
 }
-val_t array___AbstractArray___is_empty(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 28, LOCATE_array___AbstractArray___is_empty};
+val_t array___AbstractArrayRead___is_empty(val_t  self) {
+  struct trace_t trace = {NULL, NULL, 26, LOCATE_array___AbstractArrayRead___is_empty};
   val_t variable[3];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ATTR_array___AbstractArray____length(variable[2]) /*AbstractArray::_length*/;
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Result */
+  variable[2] = ATTR_array___AbstractArrayRead____length(variable[0]) /*AbstractArrayRead::_length*/;
+  /* Register variable[2]: Result */
   variable[2] = TAG_Bool((variable[2])==( TAG_Int(0)));
   variable[1] = variable[2];
   goto return_label5;
@@ -111,33 +136,40 @@ val_t array___AbstractArray___is_empty(val_t  self) {
   tracehead = trace.prev;
   return variable[1];
 }
-val_t array___AbstractArray___length(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 25, LOCATE_array___AbstractArray___length};
+val_t array___AbstractArrayRead___length(val_t  self) {
+  struct trace_t trace = {NULL, NULL, 23, LOCATE_array___AbstractArrayRead___length};
   val_t *variable = NULL;
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
   tracehead = trace.prev;
-  return ATTR_array___AbstractArray____length( self) /*AbstractArray::_length*/;
+  return ATTR_array___AbstractArrayRead____length( self) /*AbstractArrayRead::_length*/;
 }
-val_t array___AbstractArray___has(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 75, LOCATE_array___AbstractArray___has};
+val_t array___AbstractArrayRead___has(val_t  self, val_t  param0) {
+  struct trace_t trace = {NULL, NULL, 28, LOCATE_array___AbstractArrayRead___has};
   val_t variable[6];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Local variable */
   variable[3] =  TAG_Int(0);
-  variable[5] = variable[0];
-  variable[5] = ((array___AbstractArray___length_t)CALL(variable[5],COLOR_abstract_collection___Collection___length))(variable[5]) /*AbstractArray::length*/;
+  /* Register variable[4]: Local variable */
+  /* Register variable[5]: Result */
+  variable[5] = CALL_abstract_collection___Collection___length(variable[0])(variable[0]) /*AbstractArrayRead::length*/;
   variable[4] = variable[5];
   while (true) { /*while*/
+    /* Register variable[5]: Result */
     variable[5] = TAG_Bool(UNTAG_Int( variable[3] /*i*/)<UNTAG_Int( variable[4] /*l*/));
     if (!UNTAG_Bool(variable[5])) break; /* while*/
-    variable[5] = variable[0];
-    variable[5] = ((abstract_collection___Map_____bra_t)CALL(variable[5],COLOR_abstract_collection___Map_____bra))(variable[5],  variable[3] /*i*/) /*Map::[]*/;
-    variable[5] = TAG_Bool((variable[5] ==  variable[1] /*item*/) || ((variable[5] != NIT_NULL) && ((((kernel___Object_____eqeq_t)CALL(variable[5],COLOR_kernel___Object_____eqeq))==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5], variable[1] /*item*/)):(UNTAG_Bool(((kernel___Object_____eqeq_t)CALL(variable[5],COLOR_kernel___Object_____eqeq))(variable[5],  variable[1] /*item*/) /*Object::==*/)))));
+    /* Register variable[5]: Result */
+    variable[5] = CALL_abstract_collection___MapRead_____bra(variable[0])(variable[0],  variable[3] /*i*/) /*MapRead::[]*/;
+    /* Register variable[5]: Result */
+    variable[5] = TAG_Bool((variable[5] ==  variable[1] /*item*/) || ((variable[5] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[5])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5], variable[1] /*item*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[5])(variable[5],  variable[1] /*item*/) /*Object::==*/)))));
     if (UNTAG_Bool(variable[5])) { /*if*/
       variable[2] =  TAG_Bool(true);
       goto return_label6;
@@ -152,24 +184,31 @@ val_t array___AbstractArray___has(val_t  self, val_t  param0) {
   tracehead = trace.prev;
   return variable[2];
 }
-val_t array___AbstractArray___has_only(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 86, LOCATE_array___AbstractArray___has_only};
+val_t array___AbstractArrayRead___has_only(val_t  self, val_t  param0) {
+  struct trace_t trace = {NULL, NULL, 39, LOCATE_array___AbstractArrayRead___has_only};
   val_t variable[6];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Local variable */
   variable[3] =  TAG_Int(0);
-  variable[5] = variable[0];
-  variable[5] = ((array___AbstractArray___length_t)CALL(variable[5],COLOR_abstract_collection___Collection___length))(variable[5]) /*AbstractArray::length*/;
+  /* Register variable[4]: Local variable */
+  /* Register variable[5]: Result */
+  variable[5] = CALL_abstract_collection___Collection___length(variable[0])(variable[0]) /*AbstractArrayRead::length*/;
   variable[4] = variable[5];
   while (true) { /*while*/
+    /* Register variable[5]: Result */
     variable[5] = TAG_Bool(UNTAG_Int( variable[3] /*i*/)<UNTAG_Int( variable[4] /*l*/));
     if (!UNTAG_Bool(variable[5])) break; /* while*/
-    variable[5] = variable[0];
-    variable[5] = ((abstract_collection___Map_____bra_t)CALL(variable[5],COLOR_abstract_collection___Map_____bra))(variable[5],  variable[3] /*i*/) /*Map::[]*/;
-    variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[5] ==  variable[1] /*item*/) || ((variable[5] != NIT_NULL) && ((((kernel___Object_____eqeq_t)CALL(variable[5],COLOR_kernel___Object_____eqeq))==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5], variable[1] /*item*/)):(UNTAG_Bool(((kernel___Object_____eqeq_t)CALL(variable[5],COLOR_kernel___Object_____eqeq))(variable[5],  variable[1] /*item*/) /*Object::==*/)))))));
+    /* Register variable[5]: Result */
+    variable[5] = CALL_abstract_collection___MapRead_____bra(variable[0])(variable[0],  variable[3] /*i*/) /*MapRead::[]*/;
+    /* Register variable[5]: Result */
+    variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[5] ==  variable[1] /*item*/) || ((variable[5] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[5])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5], variable[1] /*item*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[5])(variable[5],  variable[1] /*item*/) /*Object::==*/)))))));
     if (UNTAG_Bool(variable[5])) { /*if*/
       variable[2] =  TAG_Bool(false);
       goto return_label8;
@@ -184,25 +223,33 @@ val_t array___AbstractArray___has_only(val_t  self, val_t  param0) {
   tracehead = trace.prev;
   return variable[2];
 }
-val_t array___AbstractArray___count(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 99, LOCATE_array___AbstractArray___count};
+val_t array___AbstractArrayRead___count(val_t  self, val_t  param0) {
+  struct trace_t trace = {NULL, NULL, 52, LOCATE_array___AbstractArrayRead___count};
   val_t variable[7];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Local variable */
   variable[3] =  TAG_Int(0);
+  /* Register variable[4]: Local variable */
   variable[4] =  TAG_Int(0);
-  variable[6] = variable[0];
-  variable[6] = ((array___AbstractArray___length_t)CALL(variable[6],COLOR_abstract_collection___Collection___length))(variable[6]) /*AbstractArray::length*/;
+  /* Register variable[5]: Local variable */
+  /* Register variable[6]: Result */
+  variable[6] = CALL_abstract_collection___Collection___length(variable[0])(variable[0]) /*AbstractArrayRead::length*/;
   variable[5] = variable[6];
   while (true) { /*while*/
+    /* Register variable[6]: Result */
     variable[6] = TAG_Bool(UNTAG_Int( variable[4] /*i*/)<UNTAG_Int( variable[5] /*l*/));
     if (!UNTAG_Bool(variable[6])) break; /* while*/
-    variable[6] = variable[0];
-    variable[6] = ((abstract_collection___Map_____bra_t)CALL(variable[6],COLOR_abstract_collection___Map_____bra))(variable[6],  variable[4] /*i*/) /*Map::[]*/;
-    variable[6] = TAG_Bool((variable[6] ==  variable[1] /*item*/) || ((variable[6] != NIT_NULL) && ((((kernel___Object_____eqeq_t)CALL(variable[6],COLOR_kernel___Object_____eqeq))==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[6], variable[1] /*item*/)):(UNTAG_Bool(((kernel___Object_____eqeq_t)CALL(variable[6],COLOR_kernel___Object_____eqeq))(variable[6],  variable[1] /*item*/) /*Object::==*/)))));
+    /* Register variable[6]: Result */
+    variable[6] = CALL_abstract_collection___MapRead_____bra(variable[0])(variable[0],  variable[4] /*i*/) /*MapRead::[]*/;
+    /* Register variable[6]: Result */
+    variable[6] = TAG_Bool((variable[6] ==  variable[1] /*item*/) || ((variable[6] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[6])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[6], variable[1] /*item*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[6])(variable[6],  variable[1] /*item*/) /*Object::==*/)))));
     if (UNTAG_Bool(variable[6])) { /*if*/
       variable[3] = TAG_Int(UNTAG_Int(variable[3])+UNTAG_Int( TAG_Int(1))) /*res*/;
     }
@@ -216,466 +263,553 @@ val_t array___AbstractArray___count(val_t  self, val_t  param0) {
   tracehead = trace.prev;
   return variable[2];
 }
-void array___AbstractArray___clear(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 73, LOCATE_array___AbstractArray___clear};
-  val_t variable[3];
-  void **closurevariable = NULL;
+val_t array___AbstractArrayRead___has_key(val_t  self, val_t  param0) {
+  struct trace_t trace = {NULL, NULL, 50, LOCATE_array___AbstractArrayRead___has_key};
+  val_t variable[4];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[2] = variable[0];
-  ATTR_array___AbstractArray____length(variable[2]) /*AbstractArray::_length*/ =  TAG_Int(0);
+  /* Register variable[1]: Local variable */
+  variable[1] =  param0;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Result */
+  variable[3] = TAG_Bool(UNTAG_Int( variable[1] /*index*/)>=UNTAG_Int( TAG_Int(0)));
+  /* Ensure var variable[3]: Left 'and' operand*/
+  if (UNTAG_Bool(variable[3])) { /* and */
+    /* Register variable[3]: Result */
+    variable[3] = CALL_abstract_collection___Collection___length(variable[0])(variable[0]) /*AbstractArrayRead::length*/;
+    /* Register variable[3]: Result */
+    variable[3] = TAG_Bool(UNTAG_Int( variable[1] /*index*/)<UNTAG_Int(variable[3]));
+  }
+  /* Register variable[3]: Result */
+  variable[2] = variable[3];
+  goto return_label12;
   return_label12: while(false);
   tracehead = trace.prev;
-  return;
+  return variable[2];
 }
-void array___AbstractArray___remove(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 152, LOCATE_array___AbstractArray___remove};
-  val_t variable[5];
-  void **closurevariable = NULL;
+val_t array___AbstractArrayRead___index_of(val_t  self, val_t  param0) {
+  struct trace_t trace = {NULL, NULL, 64, LOCATE_array___AbstractArrayRead___index_of};
+  val_t variable[4];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[4] = variable[0];
-  variable[4] = ((array___AbstractArray___index_of_t)CALL(variable[4],COLOR_abstract_collection___IndexedCollection___index_of))(variable[4],  variable[1] /*item*/) /*AbstractArray::index_of*/;
-  ((array___AbstractArray___remove_at_t)CALL(variable[3],COLOR_abstract_collection___Map___remove_at))(variable[3], variable[4]) /*AbstractArray::remove_at*/;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Result */
+  variable[3] = CALL_array___AbstractArrayRead___index_of_from(variable[0])(variable[0],  variable[1] /*item*/,  TAG_Int(0)) /*AbstractArrayRead::index_of_from*/;
+  variable[2] = variable[3];
+  goto return_label13;
   return_label13: while(false);
   tracehead = trace.prev;
-  return;
+  return variable[2];
 }
-void array___AbstractArray___remove_all(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 154, LOCATE_array___AbstractArray___remove_all};
-  val_t variable[5];
-  void **closurevariable = NULL;
+val_t array___AbstractArrayRead___last_index_of(val_t  self, val_t  param0) {
+  struct trace_t trace = {NULL, NULL, 66, LOCATE_array___AbstractArrayRead___last_index_of};
+  val_t variable[4];
+  struct WBT_ **closurevariable = NULL;
+  trace.prev = tracehead; tracehead = &trace;
+  trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
+  variable[0] =  self;
+  /* Register variable[1]: Local variable */
+  variable[1] =  param0;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Result */
+  variable[3] = CALL_abstract_collection___Collection___length(variable[0])(variable[0]) /*AbstractArrayRead::length*/;
+  /* Register variable[3]: Result */
+  variable[3] = TAG_Int(UNTAG_Int(variable[3])-UNTAG_Int( TAG_Int(1)));
+  /* Register variable[3]: Result */
+  variable[3] = CALL_array___AbstractArrayRead___last_index_of_from(variable[0])(variable[0],  variable[1] /*item*/, variable[3]) /*AbstractArrayRead::last_index_of_from*/;
+  variable[2] = variable[3];
+  goto return_label14;
+  return_label14: while(false);
+  tracehead = trace.prev;
+  return variable[2];
+}
+val_t array___AbstractArrayRead___index_of_from(val_t  self, val_t  param0, val_t  param1) {
+  struct trace_t trace = {NULL, NULL, 68, LOCATE_array___AbstractArrayRead___index_of_from};
+  val_t variable[7];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[4] = variable[0];
-  variable[4] = ((array___AbstractArray___index_of_t)CALL(variable[4],COLOR_abstract_collection___IndexedCollection___index_of))(variable[4],  variable[1] /*item*/) /*AbstractArray::index_of*/;
+  /* Register variable[2]: Local variable */
+  variable[2] =  param1;
+  /* Register variable[3]: Method return value and escape marker */
+  /* Register variable[4]: Local variable */
+  variable[4] =  variable[2] /*pos*/;
+  /* Register variable[5]: Local variable */
+  /* Register variable[6]: Result */
+  variable[6] = CALL_abstract_collection___Collection___length(variable[0])(variable[0]) /*AbstractArrayRead::length*/;
+  variable[5] = variable[6];
+  while (true) { /*while*/
+    /* Register variable[6]: Result */
+    variable[6] = TAG_Bool(UNTAG_Int( variable[4] /*i*/)<UNTAG_Int( variable[5] /*len*/));
+    if (!UNTAG_Bool(variable[6])) break; /* while*/
+    /* Register variable[6]: Result */
+    variable[6] = CALL_abstract_collection___MapRead_____bra(variable[0])(variable[0],  variable[4] /*i*/) /*MapRead::[]*/;
+    /* Register variable[6]: Result */
+    variable[6] = TAG_Bool((variable[6] ==  variable[1] /*item*/) || ((variable[6] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[6])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[6], variable[1] /*item*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[6])(variable[6],  variable[1] /*item*/) /*Object::==*/)))));
+    if (UNTAG_Bool(variable[6])) { /*if*/
+      variable[3] =  variable[4] /*i*/;
+      goto return_label15;
+    }
+    variable[4] = TAG_Int(UNTAG_Int(variable[4])+UNTAG_Int( TAG_Int(1))) /*i*/;
+    continue_16: while(0);
+  }
+  break_16: while(0);
+  /* Register variable[6]: Result */
+  variable[6] = TAG_Int(-UNTAG_Int( TAG_Int(1)));
+  variable[3] = variable[6];
+  goto return_label15;
+  return_label15: while(false);
+  tracehead = trace.prev;
+  return variable[3];
+}
+val_t array___AbstractArrayRead___last_index_of_from(val_t  self, val_t  param0, val_t  param1) {
+  struct trace_t trace = {NULL, NULL, 81, LOCATE_array___AbstractArrayRead___last_index_of_from};
+  val_t variable[6];
+  struct WBT_ **closurevariable = NULL;
+  trace.prev = tracehead; tracehead = &trace;
+  trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
+  variable[0] =  self;
+  /* Register variable[1]: Local variable */
+  variable[1] =  param0;
+  /* Register variable[2]: Local variable */
+  variable[2] =  param1;
+  /* Register variable[3]: Method return value and escape marker */
+  /* Register variable[4]: Local variable */
+  variable[4] =  variable[2] /*pos*/;
+  while (true) { /*while*/
+    /* Register variable[5]: Result */
+    variable[5] = TAG_Bool(UNTAG_Int( variable[4] /*i*/)>=UNTAG_Int( TAG_Int(0)));
+    if (!UNTAG_Bool(variable[5])) break; /* while*/
+    /* Register variable[5]: Result */
+    variable[5] = CALL_abstract_collection___MapRead_____bra(variable[0])(variable[0],  variable[4] /*i*/) /*MapRead::[]*/;
+    /* Register variable[5]: Result */
+    variable[5] = TAG_Bool((variable[5] ==  variable[1] /*item*/) || ((variable[5] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[5])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5], variable[1] /*item*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[5])(variable[5],  variable[1] /*item*/) /*Object::==*/)))));
+    if (UNTAG_Bool(variable[5])) { /*if*/
+      variable[3] =  variable[4] /*i*/;
+      goto return_label17;
+    } else { /*if*/
+      variable[4] = TAG_Int(UNTAG_Int(variable[4])-UNTAG_Int( TAG_Int(1))) /*i*/;
+    }
+    continue_18: while(0);
+  }
+  break_18: while(0);
+  /* Register variable[5]: Result */
+  variable[5] = TAG_Int(-UNTAG_Int( TAG_Int(1)));
+  variable[3] = variable[5];
+  goto return_label17;
+  return_label17: while(false);
+  tracehead = trace.prev;
+  return variable[3];
+}
+val_t array___AbstractArrayRead___reversed(val_t  self) {
+  struct trace_t trace = {NULL, NULL, 94, LOCATE_array___AbstractArrayRead___reversed};
+  val_t variable[5];
+  struct WBT_ **closurevariable = NULL;
+  trace.prev = tracehead; tracehead = &trace;
+  trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
+  variable[0] =  self;
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Local variable */
+  /* Register variable[3]: Result */
+  variable[3] = ATTR_array___AbstractArrayRead____length(variable[0]) /*AbstractArrayRead::_length*/;
+  variable[2] = variable[3];
+  /* Register variable[3]: Local variable */
+  /* Register variable[4]: Result */
+  variable[4] = NEW_Array_array___Array___with_capacity( variable[2] /*cmp*/) /*new Array[E]*/;
   variable[3] = variable[4];
   while (true) { /*while*/
-    variable[4] = TAG_Bool(UNTAG_Int( variable[3] /*i*/)>=UNTAG_Int( TAG_Int(0)));
+    /* Register variable[4]: Result */
+    variable[4] = TAG_Bool(UNTAG_Int( variable[2] /*cmp*/)>UNTAG_Int( TAG_Int(0)));
     if (!UNTAG_Bool(variable[4])) break; /* while*/
-    variable[4] = variable[0];
-    ((array___AbstractArray___remove_at_t)CALL(variable[4],COLOR_abstract_collection___Map___remove_at))(variable[4],  variable[3] /*i*/) /*AbstractArray::remove_at*/;
-    variable[4] = variable[0];
-    variable[4] = ((array___AbstractArray___index_of_from_t)CALL(variable[4],COLOR_array___AbstractArray___index_of_from))(variable[4],  variable[1] /*item*/,  variable[3] /*i*/) /*AbstractArray::index_of_from*/;
-    variable[3] = variable[4] /*i=*/;
-    continue_15: while(0);
+    variable[2] = TAG_Int(UNTAG_Int(variable[2])-UNTAG_Int( TAG_Int(1))) /*cmp*/;
+    /* Register variable[4]: Result */
+    variable[4] = CALL_abstract_collection___MapRead_____bra(variable[0])(variable[0],  variable[2] /*cmp*/) /*MapRead::[]*/;
+    CALL_abstract_collection___SimpleCollection___add( variable[3] /*result*/)( variable[3] /*result*/, variable[4]) /*AbstractArray::add*/;
+    continue_20: while(0);
   }
-  break_15: while(0);
-  return_label14: while(false);
+  break_20: while(0);
+  variable[1] =  variable[3] /*result*/;
+  goto return_label19;
+  return_label19: while(false);
+  tracehead = trace.prev;
+  return variable[1];
+}
+void array___AbstractArrayRead___copy_to(val_t  self, val_t  param0, val_t  param1, val_t  param2, val_t  param3) {
+  struct trace_t trace = {NULL, NULL, 105, LOCATE_array___AbstractArrayRead___copy_to};
+  val_t variable[9];
+  struct WBT_ **closurevariable = NULL;
+  trace.prev = tracehead; tracehead = &trace;
+  trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
+  variable[0] =  self;
+  /* Register variable[1]: Local variable */
+  variable[1] =  param0;
+  /* Register variable[2]: Local variable */
+  variable[2] =  param1;
+  /* Register variable[3]: Local variable */
+  variable[3] =  param2;
+  /* Register variable[4]: Local variable */
+  variable[4] =  param3;
+  /* Register variable[5]: Method return value and escape marker */
+  /* Register variable[6]: Local variable */
+  variable[6] =  variable[2] /*len*/;
+  while (true) { /*while*/
+    /* Register variable[7]: Result */
+    variable[7] = TAG_Bool(UNTAG_Int( variable[6] /*i*/)>UNTAG_Int( TAG_Int(0)));
+    if (!UNTAG_Bool(variable[7])) break; /* while*/
+    variable[6] = TAG_Int(UNTAG_Int(variable[6])-UNTAG_Int( TAG_Int(1))) /*i*/;
+    /* Register variable[7]: Result */
+    variable[7] = TAG_Int(UNTAG_Int( variable[4] /*new_start*/)+UNTAG_Int( variable[6] /*i*/));
+    /* Register variable[8]: Result */
+    variable[8] = TAG_Int(UNTAG_Int( variable[1] /*start*/)+UNTAG_Int( variable[6] /*i*/));
+    /* Register variable[8]: Result */
+    variable[8] = CALL_abstract_collection___MapRead_____bra(variable[0])(variable[0], variable[8]) /*MapRead::[]*/;
+    CALL_abstract_collection___Map_____braeq( variable[3] /*dest*/)( variable[3] /*dest*/, variable[7], variable[8]) /*Map::[]=*/;
+    continue_22: while(0);
+  }
+  break_22: while(0);
+  return_label21: while(false);
+  tracehead = trace.prev;
+  return;
+}
+void array___AbstractArrayRead___init(val_t  self, int* init_table) {
+  struct trace_t trace = {NULL, NULL, 0, LOCATE_array___AbstractArrayRead___init};
+  val_t *variable = NULL;
+  struct WBT_ **closurevariable = NULL;
+  trace.prev = tracehead; tracehead = &trace;
+  trace.file = LOCATE_array;
+  tracehead = trace.prev;
+  return;
+}
+void array___AbstractArray___clear(val_t  self) {
+  struct trace_t trace = {NULL, NULL, 193, LOCATE_array___AbstractArray___clear};
+  val_t variable[2];
+  struct WBT_ **closurevariable = NULL;
+  trace.prev = tracehead; tracehead = &trace;
+  trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
+  variable[0] =  self;
+  /* Register variable[1]: Method return value and escape marker */
+  ATTR_array___AbstractArrayRead____length(variable[0]) /*AbstractArrayRead::_length*/ =  TAG_Int(0);
+  return_label23: while(false);
+  tracehead = trace.prev;
+  return;
+}
+void array___AbstractArray___remove(val_t  self, val_t  param0) {
+  struct trace_t trace = {NULL, NULL, 195, LOCATE_array___AbstractArray___remove};
+  val_t variable[4];
+  struct WBT_ **closurevariable = NULL;
+  trace.prev = tracehead; tracehead = &trace;
+  trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
+  variable[0] =  self;
+  /* Register variable[1]: Local variable */
+  variable[1] =  param0;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Result */
+  variable[3] = CALL_abstract_collection___IndexedCollectionRead___index_of(variable[0])(variable[0],  variable[1] /*item*/) /*AbstractArrayRead::index_of*/;
+  CALL_abstract_collection___Map___remove_at(variable[0])(variable[0], variable[3]) /*AbstractArray::remove_at*/;
+  return_label24: while(false);
   tracehead = trace.prev;
   return;
 }
-val_t array___AbstractArray___has_key(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 97, LOCATE_array___AbstractArray___has_key};
+void array___AbstractArray___remove_all(val_t  self, val_t  param0) {
+  struct trace_t trace = {NULL, NULL, 197, LOCATE_array___AbstractArray___remove_all};
   val_t variable[5];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[3] = TAG_Bool(UNTAG_Int( variable[1] /*index*/)>=UNTAG_Int( TAG_Int(0)));
-  variable[4] = variable[3];
-  if (UNTAG_Bool(variable[4])) { /* and */
-    variable[4] = variable[0];
-    variable[4] = ((array___AbstractArray___length_t)CALL(variable[4],COLOR_abstract_collection___Collection___length))(variable[4]) /*AbstractArray::length*/;
-    variable[4] = TAG_Bool(UNTAG_Int( variable[1] /*index*/)<UNTAG_Int(variable[4]));
-  }
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Local variable */
+  /* Register variable[4]: Result */
+  variable[4] = CALL_abstract_collection___IndexedCollectionRead___index_of(variable[0])(variable[0],  variable[1] /*item*/) /*AbstractArrayRead::index_of*/;
   variable[3] = variable[4];
-  variable[2] = variable[3];
-  goto return_label16;
-  return_label16: while(false);
+  while (true) { /*while*/
+    /* Register variable[4]: Result */
+    variable[4] = TAG_Bool(UNTAG_Int( variable[3] /*i*/)>=UNTAG_Int( TAG_Int(0)));
+    if (!UNTAG_Bool(variable[4])) break; /* while*/
+    CALL_abstract_collection___Map___remove_at(variable[0])(variable[0],  variable[3] /*i*/) /*AbstractArray::remove_at*/;
+    /* Register variable[4]: Result */
+    variable[4] = CALL_array___AbstractArrayRead___index_of_from(variable[0])(variable[0],  variable[1] /*item*/,  variable[3] /*i*/) /*AbstractArrayRead::index_of_from*/;
+    variable[3] = variable[4] /*i=*/;
+    continue_26: while(0);
+  }
+  break_26: while(0);
+  return_label25: while(false);
   tracehead = trace.prev;
-  return variable[2];
+  return;
 }
 void array___AbstractArray___remove_at(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 163, LOCATE_array___AbstractArray___remove_at};
-  val_t variable[8];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 206, LOCATE_array___AbstractArray___remove_at};
+  val_t variable[7];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[4] = variable[0];
-  variable[4] = ((array___AbstractArray___length_t)CALL(variable[4],COLOR_abstract_collection___Collection___length))(variable[4]) /*AbstractArray::length*/;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Local variable */
+  /* Register variable[4]: Result */
+  variable[4] = CALL_abstract_collection___Collection___length(variable[0])(variable[0]) /*AbstractArrayRead::length*/;
   variable[3] = variable[4];
+  /* Register variable[4]: Result */
   variable[4] = TAG_Bool(UNTAG_Int( variable[1] /*i*/)>=UNTAG_Int( TAG_Int(0)));
-  variable[5] = variable[4];
-  if (UNTAG_Bool(variable[5])) { /* and */
-    variable[5] = TAG_Bool(UNTAG_Int( variable[1] /*i*/)<UNTAG_Int( variable[3] /*l*/));
+  /* Ensure var variable[4]: Left 'and' operand*/
+  if (UNTAG_Bool(variable[4])) { /* and */
+    /* Register variable[4]: Result */
+    variable[4] = TAG_Bool(UNTAG_Int( variable[1] /*i*/)<UNTAG_Int( variable[3] /*l*/));
   }
-  variable[4] = variable[5];
+  /* Register variable[4]: Result */
   if (UNTAG_Bool(variable[4])) { /*if*/
+    /* Register variable[4]: Local variable */
+    /* Register variable[5]: Result */
     variable[5] = TAG_Int(UNTAG_Int( variable[1] /*i*/)+UNTAG_Int( TAG_Int(1)));
     variable[4] = variable[5];
     while (true) { /*while*/
+      /* Register variable[5]: Result */
       variable[5] = TAG_Bool(UNTAG_Int( variable[4] /*j*/)<UNTAG_Int( variable[3] /*l*/));
       if (!UNTAG_Bool(variable[5])) break; /* while*/
-      variable[5] = variable[0];
-      variable[6] = TAG_Int(UNTAG_Int( variable[4] /*j*/)-UNTAG_Int( TAG_Int(1)));
-      variable[7] = variable[0];
-      variable[7] = ((abstract_collection___Map_____bra_t)CALL(variable[7],COLOR_abstract_collection___Map_____bra))(variable[7],  variable[4] /*j*/) /*Map::[]*/;
-      ((abstract_collection___Map_____braeq_t)CALL(variable[5],COLOR_abstract_collection___Map_____braeq))(variable[5], variable[6], variable[7]) /*Map::[]=*/;
+      /* Register variable[5]: Result */
+      variable[5] = TAG_Int(UNTAG_Int( variable[4] /*j*/)-UNTAG_Int( TAG_Int(1)));
+      /* Register variable[6]: Result */
+      variable[6] = CALL_abstract_collection___MapRead_____bra(variable[0])(variable[0],  variable[4] /*j*/) /*MapRead::[]*/;
+      CALL_abstract_collection___Map_____braeq(variable[0])(variable[0], variable[5], variable[6]) /*Map::[]=*/;
       variable[4] = TAG_Int(UNTAG_Int(variable[4])+UNTAG_Int( TAG_Int(1))) /*j*/;
-      continue_18: while(0);
+      continue_28: while(0);
     }
-    break_18: while(0);
-    variable[5] = variable[0];
-    variable[6] = TAG_Int(UNTAG_Int( variable[3] /*l*/)-UNTAG_Int( TAG_Int(1)));
-    ATTR_array___AbstractArray____length(variable[5]) /*AbstractArray::_length*/ = variable[6];
+    break_28: while(0);
+    /* Register variable[5]: Result */
+    variable[5] = TAG_Int(UNTAG_Int( variable[3] /*l*/)-UNTAG_Int( TAG_Int(1)));
+    ATTR_array___AbstractArrayRead____length(variable[0]) /*AbstractArrayRead::_length*/ = variable[5];
   }
-  return_label17: while(false);
+  return_label27: while(false);
   tracehead = trace.prev;
   return;
 }
 void array___AbstractArray___add(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 71, LOCATE_array___AbstractArray___add};
-  val_t variable[5];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 191, LOCATE_array___AbstractArray___add};
+  val_t variable[4];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[4] = variable[0];
-  variable[4] = ((array___AbstractArray___length_t)CALL(variable[4],COLOR_abstract_collection___Collection___length))(variable[4]) /*AbstractArray::length*/;
-  ((abstract_collection___Map_____braeq_t)CALL(variable[3],COLOR_abstract_collection___Map_____braeq))(variable[3], variable[4],  variable[1] /*item*/) /*Map::[]=*/;
-  return_label19: while(false);
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Result */
+  variable[3] = CALL_abstract_collection___Collection___length(variable[0])(variable[0]) /*AbstractArrayRead::length*/;
+  CALL_abstract_collection___Map_____braeq(variable[0])(variable[0], variable[3],  variable[1] /*item*/) /*Map::[]=*/;
+  return_label29: while(false);
   tracehead = trace.prev;
   return;
 }
 void array___AbstractArray___push(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 30, LOCATE_array___AbstractArray___push};
-  val_t variable[4];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 150, LOCATE_array___AbstractArray___push};
+  val_t variable[3];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[3] = variable[0];
-  ((array___AbstractArray___add_t)CALL(variable[3],COLOR_abstract_collection___SimpleCollection___add))(variable[3],  variable[1] /*item*/) /*AbstractArray::add*/;
-  return_label20: while(false);
+  /* Register variable[2]: Method return value and escape marker */
+  CALL_abstract_collection___SimpleCollection___add(variable[0])(variable[0],  variable[1] /*item*/) /*AbstractArray::add*/;
+  return_label30: while(false);
   tracehead = trace.prev;
   return;
 }
 val_t array___AbstractArray___pop(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 32, LOCATE_array___AbstractArray___pop};
+  struct trace_t trace = {NULL, NULL, 152, LOCATE_array___AbstractArray___pop};
   val_t variable[4];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ((array___AbstractArray___is_empty_t)CALL(variable[2],COLOR_abstract_collection___Collection___is_empty))(variable[2]) /*AbstractArray::is_empty*/;
-  if (!UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[2])))) { fprintf(stderr, "Assert%s failed", " 'not_empty' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___AbstractArray___pop, LOCATE_array, 34); nit_exit(1);}
-  variable[3] = variable[0];
-  variable[3] = ((abstract_collection___IndexedCollection___last_t)CALL(variable[3],COLOR_abstract_collection___IndexedCollection___last))(variable[3]) /*IndexedCollection::last*/;
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Result */
+  variable[2] = CALL_abstract_collection___Collection___is_empty(variable[0])(variable[0]) /*AbstractArrayRead::is_empty*/;
+  if (!UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[2])))) { fprintf(stderr, "Assert%s failed", " 'not_empty' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___AbstractArray___pop, LOCATE_array, 154); nit_exit(1);}
+  /* Register variable[2]: Local variable */
+  /* Register variable[3]: Result */
+  variable[3] = CALL_abstract_collection___IndexedCollectionRead___last(variable[0])(variable[0]) /*IndexedCollectionRead::last*/;
   variable[2] = variable[3];
-  variable[3] = variable[0];
-  ATTR_array___AbstractArray____length(variable[3]) /*AbstractArray::_length*/ = TAG_Int(UNTAG_Int(ATTR_array___AbstractArray____length(variable[3]) /*AbstractArray::_length*/)-UNTAG_Int( TAG_Int(1)));
+  ATTR_array___AbstractArrayRead____length(variable[0]) /*AbstractArrayRead::_length*/ = TAG_Int(UNTAG_Int(ATTR_array___AbstractArrayRead____length(variable[0]) /*AbstractArrayRead::_length*/)-UNTAG_Int( TAG_Int(1)));
   variable[1] =  variable[2] /*r*/;
-  goto return_label21;
-  return_label21: while(false);
+  goto return_label31;
+  return_label31: while(false);
   tracehead = trace.prev;
   return variable[1];
 }
 void array___AbstractArray___unshift(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 54, LOCATE_array___AbstractArray___unshift};
-  val_t variable[7];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 174, LOCATE_array___AbstractArray___unshift};
+  val_t variable[6];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[4] = variable[0];
-  variable[4] = ((array___AbstractArray___length_t)CALL(variable[4],COLOR_abstract_collection___Collection___length))(variable[4]) /*AbstractArray::length*/;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Local variable */
+  /* Register variable[4]: Result */
+  variable[4] = CALL_abstract_collection___Collection___length(variable[0])(variable[0]) /*AbstractArrayRead::length*/;
+  /* Register variable[4]: Result */
   variable[4] = TAG_Int(UNTAG_Int(variable[4])-UNTAG_Int( TAG_Int(1)));
   variable[3] = variable[4];
   while (true) { /*while*/
+    /* Register variable[4]: Result */
     variable[4] = TAG_Bool(UNTAG_Int( variable[3] /*i*/)>UNTAG_Int( TAG_Int(0)));
     if (!UNTAG_Bool(variable[4])) break; /* while*/
-    variable[4] = variable[0];
-    variable[5] = TAG_Int(UNTAG_Int( variable[3] /*i*/)+UNTAG_Int( TAG_Int(1)));
-    variable[6] = variable[0];
-    variable[6] = ((abstract_collection___Map_____bra_t)CALL(variable[6],COLOR_abstract_collection___Map_____bra))(variable[6],  variable[3] /*i*/) /*Map::[]*/;
-    ((abstract_collection___Map_____braeq_t)CALL(variable[4],COLOR_abstract_collection___Map_____braeq))(variable[4], variable[5], variable[6]) /*Map::[]=*/;
+    /* Register variable[4]: Result */
+    variable[4] = TAG_Int(UNTAG_Int( variable[3] /*i*/)+UNTAG_Int( TAG_Int(1)));
+    /* Register variable[5]: Result */
+    variable[5] = CALL_abstract_collection___MapRead_____bra(variable[0])(variable[0],  variable[3] /*i*/) /*MapRead::[]*/;
+    CALL_abstract_collection___Map_____braeq(variable[0])(variable[0], variable[4], variable[5]) /*Map::[]=*/;
     variable[3] = TAG_Int(UNTAG_Int(variable[3])-UNTAG_Int( TAG_Int(1))) /*i*/;
-    continue_23: while(0);
+    continue_33: while(0);
   }
-  break_23: while(0);
-  variable[4] = variable[0];
-  ((abstract_collection___Map_____braeq_t)CALL(variable[4],COLOR_abstract_collection___Map_____braeq))(variable[4],  TAG_Int(0),  variable[1] /*item*/) /*Map::[]=*/;
-  return_label22: while(false);
+  break_33: while(0);
+  CALL_abstract_collection___Map_____braeq(variable[0])(variable[0],  TAG_Int(0),  variable[1] /*item*/) /*Map::[]=*/;
+  return_label32: while(false);
   tracehead = trace.prev;
   return;
 }
 val_t array___AbstractArray___shift(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 40, LOCATE_array___AbstractArray___shift};
-  val_t variable[8];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 160, LOCATE_array___AbstractArray___shift};
+  val_t variable[7];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ((array___AbstractArray___is_empty_t)CALL(variable[2],COLOR_abstract_collection___Collection___is_empty))(variable[2]) /*AbstractArray::is_empty*/;
-  if (!UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[2])))) { fprintf(stderr, "Assert%s failed", " 'not_empty' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___AbstractArray___shift, LOCATE_array, 42); nit_exit(1);}
-  variable[3] = variable[0];
-  variable[3] = ((abstract_collection___IndexedCollection___first_t)CALL(variable[3],COLOR_abstract_collection___Collection___first))(variable[3]) /*IndexedCollection::first*/;
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Result */
+  variable[2] = CALL_abstract_collection___Collection___is_empty(variable[0])(variable[0]) /*AbstractArrayRead::is_empty*/;
+  if (!UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[2])))) { fprintf(stderr, "Assert%s failed", " 'not_empty' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___AbstractArray___shift, LOCATE_array, 162); nit_exit(1);}
+  /* Register variable[2]: Local variable */
+  /* Register variable[3]: Result */
+  variable[3] = CALL_abstract_collection___Collection___first(variable[0])(variable[0]) /*IndexedCollectionRead::first*/;
   variable[2] = variable[3];
+  /* Register variable[3]: Local variable */
   variable[3] =  TAG_Int(1);
-  variable[5] = variable[0];
-  variable[5] = ((array___AbstractArray___length_t)CALL(variable[5],COLOR_abstract_collection___Collection___length))(variable[5]) /*AbstractArray::length*/;
+  /* Register variable[4]: Local variable */
+  /* Register variable[5]: Result */
+  variable[5] = CALL_abstract_collection___Collection___length(variable[0])(variable[0]) /*AbstractArrayRead::length*/;
   variable[4] = variable[5];
   while (true) { /*while*/
+    /* Register variable[5]: Result */
     variable[5] = TAG_Bool(UNTAG_Int( variable[3] /*i*/)<UNTAG_Int( variable[4] /*l*/));
     if (!UNTAG_Bool(variable[5])) break; /* while*/
-    variable[5] = variable[0];
-    variable[6] = TAG_Int(UNTAG_Int( variable[3] /*i*/)-UNTAG_Int( TAG_Int(1)));
-    variable[7] = variable[0];
-    variable[7] = ((abstract_collection___Map_____bra_t)CALL(variable[7],COLOR_abstract_collection___Map_____bra))(variable[7],  variable[3] /*i*/) /*Map::[]*/;
-    ((abstract_collection___Map_____braeq_t)CALL(variable[5],COLOR_abstract_collection___Map_____braeq))(variable[5], variable[6], variable[7]) /*Map::[]=*/;
+    /* Register variable[5]: Result */
+    variable[5] = TAG_Int(UNTAG_Int( variable[3] /*i*/)-UNTAG_Int( TAG_Int(1)));
+    /* Register variable[6]: Result */
+    variable[6] = CALL_abstract_collection___MapRead_____bra(variable[0])(variable[0],  variable[3] /*i*/) /*MapRead::[]*/;
+    CALL_abstract_collection___Map_____braeq(variable[0])(variable[0], variable[5], variable[6]) /*Map::[]=*/;
     variable[3] = TAG_Int(UNTAG_Int(variable[3])+UNTAG_Int( TAG_Int(1))) /*i*/;
-    continue_25: while(0);
+    continue_35: while(0);
   }
-  break_25: while(0);
-  variable[5] = variable[0];
-  variable[6] = TAG_Int(UNTAG_Int( variable[4] /*l*/)-UNTAG_Int( TAG_Int(1)));
-  ATTR_array___AbstractArray____length(variable[5]) /*AbstractArray::_length*/ = variable[6];
+  break_35: while(0);
+  /* Register variable[5]: Result */
+  variable[5] = TAG_Int(UNTAG_Int( variable[4] /*l*/)-UNTAG_Int( TAG_Int(1)));
+  ATTR_array___AbstractArrayRead____length(variable[0]) /*AbstractArrayRead::_length*/ = variable[5];
   variable[1] =  variable[2] /*r*/;
-  goto return_label24;
-  return_label24: while(false);
+  goto return_label34;
+  return_label34: while(false);
   tracehead = trace.prev;
   return variable[1];
 }
-val_t array___AbstractArray___index_of(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 111, LOCATE_array___AbstractArray___index_of};
-  val_t variable[4];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_array;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[3] = ((array___AbstractArray___index_of_from_t)CALL(variable[3],COLOR_array___AbstractArray___index_of_from))(variable[3],  variable[1] /*item*/,  TAG_Int(0)) /*AbstractArray::index_of_from*/;
-  variable[2] = variable[3];
-  goto return_label26;
-  return_label26: while(false);
-  tracehead = trace.prev;
-  return variable[2];
-}
 void array___AbstractArray___enlarge(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 23, LOCATE_array___AbstractArray___enlarge};
+  struct trace_t trace = {NULL, NULL, 148, LOCATE_array___AbstractArray___enlarge};
   val_t *variable = NULL;
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
   fprintf(stderr, "Deferred method called");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_array, 23);
+  fprintf(stderr, " (%s:%d)\n", LOCATE_array, 148);
   nit_exit(1);
   tracehead = trace.prev;
   return;
 }
 void array___AbstractArray___insert(val_t  self, val_t  param0, val_t  param1) {
-  struct trace_t trace = {NULL, NULL, 64, LOCATE_array___AbstractArray___insert};
-  val_t variable[8];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_array;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[2] =  param1;
-  variable[4] = variable[0];
-  variable[5] = variable[0];
-  variable[5] = ((array___AbstractArray___length_t)CALL(variable[5],COLOR_abstract_collection___Collection___length))(variable[5]) /*AbstractArray::length*/;
-  variable[5] = TAG_Int(UNTAG_Int(variable[5])+UNTAG_Int( TAG_Int(1)));
-  ((array___AbstractArray___enlarge_t)CALL(variable[4],COLOR_array___AbstractArray___enlarge))(variable[4], variable[5]) /*AbstractArray::enlarge*/;
-  variable[4] = variable[0];
-  variable[5] = variable[0];
-  variable[5] = ((array___AbstractArray___length_t)CALL(variable[5],COLOR_abstract_collection___Collection___length))(variable[5]) /*AbstractArray::length*/;
-  variable[5] = TAG_Int(UNTAG_Int(variable[5])-UNTAG_Int( variable[2] /*pos*/));
-  variable[6] = variable[0];
-  variable[7] = TAG_Int(UNTAG_Int( variable[2] /*pos*/)+UNTAG_Int( TAG_Int(1)));
-  ((array___AbstractArray___copy_to_t)CALL(variable[4],COLOR_array___AbstractArray___copy_to))(variable[4],  variable[2] /*pos*/, variable[5], variable[6], variable[7]) /*AbstractArray::copy_to*/;
-  variable[4] = variable[0];
-  ((abstract_collection___Map_____braeq_t)CALL(variable[4],COLOR_abstract_collection___Map_____braeq))(variable[4],  variable[2] /*pos*/,  variable[1] /*item*/) /*Map::[]=*/;
-  return_label27: while(false);
-  tracehead = trace.prev;
-  return;
-}
-val_t array___AbstractArray___last_index_of(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 113, LOCATE_array___AbstractArray___last_index_of};
-  val_t variable[5];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_array;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[4] = variable[0];
-  variable[4] = ((array___AbstractArray___length_t)CALL(variable[4],COLOR_abstract_collection___Collection___length))(variable[4]) /*AbstractArray::length*/;
-  variable[4] = TAG_Int(UNTAG_Int(variable[4])-UNTAG_Int( TAG_Int(1)));
-  variable[3] = ((array___AbstractArray___last_index_of_from_t)CALL(variable[3],COLOR_array___AbstractArray___last_index_of_from))(variable[3],  variable[1] /*item*/, variable[4]) /*AbstractArray::last_index_of_from*/;
-  variable[2] = variable[3];
-  goto return_label28;
-  return_label28: while(false);
-  tracehead = trace.prev;
-  return variable[2];
-}
-val_t array___AbstractArray___index_of_from(val_t  self, val_t  param0, val_t  param1) {
-  struct trace_t trace = {NULL, NULL, 115, LOCATE_array___AbstractArray___index_of_from};
-  val_t variable[7];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_array;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[2] =  param1;
-  variable[4] =  variable[2] /*pos*/;
-  variable[6] = variable[0];
-  variable[6] = ((array___AbstractArray___length_t)CALL(variable[6],COLOR_abstract_collection___Collection___length))(variable[6]) /*AbstractArray::length*/;
-  variable[5] = variable[6];
-  while (true) { /*while*/
-    variable[6] = TAG_Bool(UNTAG_Int( variable[4] /*i*/)<UNTAG_Int( variable[5] /*len*/));
-    if (!UNTAG_Bool(variable[6])) break; /* while*/
-    variable[6] = variable[0];
-    variable[6] = ((abstract_collection___Map_____bra_t)CALL(variable[6],COLOR_abstract_collection___Map_____bra))(variable[6],  variable[4] /*i*/) /*Map::[]*/;
-    variable[6] = TAG_Bool((variable[6] ==  variable[1] /*item*/) || ((variable[6] != NIT_NULL) && ((((kernel___Object_____eqeq_t)CALL(variable[6],COLOR_kernel___Object_____eqeq))==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[6], variable[1] /*item*/)):(UNTAG_Bool(((kernel___Object_____eqeq_t)CALL(variable[6],COLOR_kernel___Object_____eqeq))(variable[6],  variable[1] /*item*/) /*Object::==*/)))));
-    if (UNTAG_Bool(variable[6])) { /*if*/
-      variable[3] =  variable[4] /*i*/;
-      goto return_label29;
-    }
-    variable[4] = TAG_Int(UNTAG_Int(variable[4])+UNTAG_Int( TAG_Int(1))) /*i*/;
-    continue_30: while(0);
-  }
-  break_30: while(0);
-  variable[6] = TAG_Int(-UNTAG_Int( TAG_Int(1)));
-  variable[3] = variable[6];
-  goto return_label29;
-  return_label29: while(false);
-  tracehead = trace.prev;
-  return variable[3];
-}
-val_t array___AbstractArray___last_index_of_from(val_t  self, val_t  param0, val_t  param1) {
-  struct trace_t trace = {NULL, NULL, 128, LOCATE_array___AbstractArray___last_index_of_from};
+  struct trace_t trace = {NULL, NULL, 184, LOCATE_array___AbstractArray___insert};
   val_t variable[6];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_array;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[2] =  param1;
-  variable[4] =  variable[2] /*pos*/;
-  while (true) { /*while*/
-    variable[5] = TAG_Bool(UNTAG_Int( variable[4] /*i*/)>=UNTAG_Int( TAG_Int(0)));
-    if (!UNTAG_Bool(variable[5])) break; /* while*/
-    variable[5] = variable[0];
-    variable[5] = ((abstract_collection___Map_____bra_t)CALL(variable[5],COLOR_abstract_collection___Map_____bra))(variable[5],  variable[4] /*i*/) /*Map::[]*/;
-    variable[5] = TAG_Bool((variable[5] ==  variable[1] /*item*/) || ((variable[5] != NIT_NULL) && ((((kernel___Object_____eqeq_t)CALL(variable[5],COLOR_kernel___Object_____eqeq))==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5], variable[1] /*item*/)):(UNTAG_Bool(((kernel___Object_____eqeq_t)CALL(variable[5],COLOR_kernel___Object_____eqeq))(variable[5],  variable[1] /*item*/) /*Object::==*/)))));
-    if (UNTAG_Bool(variable[5])) { /*if*/
-      variable[3] =  variable[4] /*i*/;
-      goto return_label31;
-    } else { /*if*/
-      variable[4] = TAG_Int(UNTAG_Int(variable[4])-UNTAG_Int( TAG_Int(1))) /*i*/;
-    }
-    continue_32: while(0);
-  }
-  break_32: while(0);
-  variable[5] = TAG_Int(-UNTAG_Int( TAG_Int(1)));
-  variable[3] = variable[5];
-  goto return_label31;
-  return_label31: while(false);
-  tracehead = trace.prev;
-  return variable[3];
-}
-val_t array___AbstractArray___reversed(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 141, LOCATE_array___AbstractArray___reversed};
-  val_t variable[5];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_array;
-  variable[0] =  self;
-  variable[3] = variable[0];
-  variable[3] = ATTR_array___AbstractArray____length(variable[3]) /*AbstractArray::_length*/;
-  variable[2] = variable[3];
-  variable[4] = NEW_Array_array___Array___with_capacity( variable[2] /*cmp*/); /*new Array[E]*/
-  variable[3] = variable[4];
-  while (true) { /*while*/
-    variable[4] = TAG_Bool(UNTAG_Int( variable[2] /*cmp*/)>UNTAG_Int( TAG_Int(0)));
-    if (!UNTAG_Bool(variable[4])) break; /* while*/
-    variable[2] = TAG_Int(UNTAG_Int(variable[2])-UNTAG_Int( TAG_Int(1))) /*cmp*/;
-    variable[4] = variable[0];
-    variable[4] = ((abstract_collection___Map_____bra_t)CALL(variable[4],COLOR_abstract_collection___Map_____bra))(variable[4],  variable[2] /*cmp*/) /*Map::[]*/;
-    ((array___AbstractArray___add_t)CALL( variable[3] /*result*/,COLOR_abstract_collection___SimpleCollection___add))( variable[3] /*result*/, variable[4]) /*AbstractArray::add*/;
-    continue_34: while(0);
-  }
-  break_34: while(0);
-  variable[1] =  variable[3] /*result*/;
-  goto return_label33;
-  return_label33: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-void array___AbstractArray___copy_to(val_t  self, val_t  param0, val_t  param1, val_t  param2, val_t  param3) {
-  struct trace_t trace = {NULL, NULL, 176, LOCATE_array___AbstractArray___copy_to};
-  val_t variable[10];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
+  /* Register variable[2]: Local variable */
   variable[2] =  param1;
-  variable[3] =  param2;
-  variable[4] =  param3;
-  variable[6] =  variable[2] /*len*/;
-  while (true) { /*while*/
-    variable[7] = TAG_Bool(UNTAG_Int( variable[6] /*i*/)>UNTAG_Int( TAG_Int(0)));
-    if (!UNTAG_Bool(variable[7])) break; /* while*/
-    variable[6] = TAG_Int(UNTAG_Int(variable[6])-UNTAG_Int( TAG_Int(1))) /*i*/;
-    variable[7] = TAG_Int(UNTAG_Int( variable[4] /*new_start*/)+UNTAG_Int( variable[6] /*i*/));
-    variable[8] = variable[0];
-    variable[9] = TAG_Int(UNTAG_Int( variable[1] /*start*/)+UNTAG_Int( variable[6] /*i*/));
-    variable[8] = ((abstract_collection___Map_____bra_t)CALL(variable[8],COLOR_abstract_collection___Map_____bra))(variable[8], variable[9]) /*Map::[]*/;
-    ((abstract_collection___Map_____braeq_t)CALL( variable[3] /*dest*/,COLOR_abstract_collection___Map_____braeq))( variable[3] /*dest*/, variable[7], variable[8]) /*Map::[]=*/;
-    continue_36: while(0);
-  }
-  break_36: while(0);
-  return_label35: while(false);
-  tracehead = trace.prev;
-  return;
-}
-void array___AbstractArray___init(val_t  self, int* init_table) {
-  struct trace_t trace = {NULL, NULL, 0, LOCATE_array___AbstractArray___init};
-  val_t *variable = NULL;
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_array;
+  /* Register variable[3]: Method return value and escape marker */
+  /* Register variable[4]: Result */
+  variable[4] = CALL_abstract_collection___Collection___length(variable[0])(variable[0]) /*AbstractArrayRead::length*/;
+  /* Register variable[4]: Result */
+  variable[4] = TAG_Int(UNTAG_Int(variable[4])+UNTAG_Int( TAG_Int(1)));
+  CALL_array___AbstractArray___enlarge(variable[0])(variable[0], variable[4]) /*AbstractArray::enlarge*/;
+  /* Register variable[4]: Result */
+  variable[4] = CALL_abstract_collection___Collection___length(variable[0])(variable[0]) /*AbstractArrayRead::length*/;
+  /* Register variable[4]: Result */
+  variable[4] = TAG_Int(UNTAG_Int(variable[4])-UNTAG_Int( variable[2] /*pos*/));
+  /* Register variable[5]: Result */
+  variable[5] = TAG_Int(UNTAG_Int( variable[2] /*pos*/)+UNTAG_Int( TAG_Int(1)));
+  CALL_array___AbstractArrayRead___copy_to(variable[0])(variable[0],  variable[2] /*pos*/, variable[4], variable[0], variable[5]) /*AbstractArrayRead::copy_to*/;
+  CALL_abstract_collection___Map_____braeq(variable[0])(variable[0],  variable[2] /*pos*/,  variable[1] /*item*/) /*Map::[]=*/;
+  return_label36: while(false);
   tracehead = trace.prev;
   return;
 }
 val_t array___Array_____bra(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 227, LOCATE_array___Array_____bra};
-  val_t variable[5];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 232, LOCATE_array___Array_____bra};
+  val_t variable[4];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Result */
   variable[3] = TAG_Bool(UNTAG_Int( variable[1] /*index*/)>=UNTAG_Int( TAG_Int(0)));
-  variable[4] = variable[3];
-  if (UNTAG_Bool(variable[4])) { /* and */
-    variable[4] = variable[0];
-    variable[4] = ATTR_array___AbstractArray____length(variable[4]) /*AbstractArray::_length*/;
-    variable[4] = TAG_Bool(UNTAG_Int( variable[1] /*index*/)<UNTAG_Int(variable[4]));
+  /* Ensure var variable[3]: Left 'and' operand*/
+  if (UNTAG_Bool(variable[3])) { /* and */
+    /* Register variable[3]: Result */
+    variable[3] = ATTR_array___AbstractArrayRead____length(variable[0]) /*AbstractArrayRead::_length*/;
+    /* Register variable[3]: Result */
+    variable[3] = TAG_Bool(UNTAG_Int( variable[1] /*index*/)<UNTAG_Int(variable[3]));
   }
-  variable[3] = variable[4];
-  if (!UNTAG_Bool(variable[3])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_array, 229); nit_exit(1);}
-  variable[3] = variable[0];
-  variable[3] = ATTR_array___Array____items(variable[3]) /*Array::_items*/;
+  /* Register variable[3]: Result */
+  if (!UNTAG_Bool(variable[3])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_array, 234); nit_exit(1);}
+  /* Register variable[3]: Result */
+  variable[3] = ATTR_array___Array____items(variable[0]) /*Array::_items*/;
+  /* Register variable[3]: Result */
   variable[3] = UNBOX_NativeArray(variable[3])[UNTAG_Int( variable[1] /*index*/)];
   variable[2] = variable[3];
   goto return_label37;
@@ -684,184 +818,208 @@ val_t array___Array_____bra(val_t  self, val_t  param0) {
   return variable[2];
 }
 void array___Array_____braeq(val_t  self, val_t  param0, val_t  param1) {
-  struct trace_t trace = {NULL, NULL, 233, LOCATE_array___Array_____braeq};
-  val_t variable[6];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 238, LOCATE_array___Array_____braeq};
+  val_t variable[5];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
+  /* Register variable[2]: Local variable */
   variable[2] =  param1;
+  /* Register variable[3]: Method return value and escape marker */
+  /* Register variable[4]: Result */
   variable[4] = TAG_Bool(UNTAG_Int( variable[1] /*index*/)>=UNTAG_Int( TAG_Int(0)));
-  variable[5] = variable[4];
-  if (UNTAG_Bool(variable[5])) { /* and */
-    variable[5] = variable[0];
-    variable[5] = ATTR_array___AbstractArray____length(variable[5]) /*AbstractArray::_length*/;
-    variable[5] = TAG_Int(UNTAG_Int(variable[5])+UNTAG_Int( TAG_Int(1)));
-    variable[5] = TAG_Bool(UNTAG_Int( variable[1] /*index*/)<UNTAG_Int(variable[5]));
+  /* Ensure var variable[4]: Left 'and' operand*/
+  if (UNTAG_Bool(variable[4])) { /* and */
+    /* Register variable[4]: Result */
+    variable[4] = ATTR_array___AbstractArrayRead____length(variable[0]) /*AbstractArrayRead::_length*/;
+    /* Register variable[4]: Result */
+    variable[4] = TAG_Int(UNTAG_Int(variable[4])+UNTAG_Int( TAG_Int(1)));
+    /* Register variable[4]: Result */
+    variable[4] = TAG_Bool(UNTAG_Int( variable[1] /*index*/)<UNTAG_Int(variable[4]));
   }
-  variable[4] = variable[5];
-  if (!UNTAG_Bool(variable[4])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____braeq, LOCATE_array, 235); nit_exit(1);}
-  variable[4] = variable[0];
-  variable[4] = ATTR_array___Array____capacity(variable[4]) /*Array::_capacity*/;
+  /* Register variable[4]: Result */
+  if (!UNTAG_Bool(variable[4])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____braeq, LOCATE_array, 240); nit_exit(1);}
+  /* Register variable[4]: Result */
+  variable[4] = ATTR_array___Array____capacity(variable[0]) /*Array::_capacity*/;
+  /* Register variable[4]: Result */
   variable[4] = TAG_Bool(UNTAG_Int(variable[4])<=UNTAG_Int( variable[1] /*index*/));
   if (UNTAG_Bool(variable[4])) { /*if*/
-    variable[4] = variable[0];
-    variable[5] = TAG_Int(UNTAG_Int( variable[1] /*index*/)+UNTAG_Int( TAG_Int(1)));
-    ((array___Array___enlarge_t)CALL(variable[4],COLOR_array___AbstractArray___enlarge))(variable[4], variable[5]) /*Array::enlarge*/;
+    /* Register variable[4]: Result */
+    variable[4] = TAG_Int(UNTAG_Int( variable[1] /*index*/)+UNTAG_Int( TAG_Int(1)));
+    CALL_array___AbstractArray___enlarge(variable[0])(variable[0], variable[4]) /*Array::enlarge*/;
   }
-  variable[4] = variable[0];
-  variable[4] = ATTR_array___AbstractArray____length(variable[4]) /*AbstractArray::_length*/;
+  /* Register variable[4]: Result */
+  variable[4] = ATTR_array___AbstractArrayRead____length(variable[0]) /*AbstractArrayRead::_length*/;
+  /* Register variable[4]: Result */
   variable[4] = TAG_Bool(UNTAG_Int(variable[4])<=UNTAG_Int( variable[1] /*index*/));
   if (UNTAG_Bool(variable[4])) { /*if*/
-    variable[4] = variable[0];
-    variable[5] = TAG_Int(UNTAG_Int( variable[1] /*index*/)+UNTAG_Int( TAG_Int(1)));
-    ATTR_array___AbstractArray____length(variable[4]) /*AbstractArray::_length*/ = variable[5];
+    /* Register variable[4]: Result */
+    variable[4] = TAG_Int(UNTAG_Int( variable[1] /*index*/)+UNTAG_Int( TAG_Int(1)));
+    ATTR_array___AbstractArrayRead____length(variable[0]) /*AbstractArrayRead::_length*/ = variable[4];
   }
-  variable[4] = variable[0];
-  variable[4] = ATTR_array___Array____items(variable[4]) /*Array::_items*/;
+  /* Register variable[4]: Result */
+  variable[4] = ATTR_array___Array____items(variable[0]) /*Array::_items*/;
   UNBOX_NativeArray(variable[4])[UNTAG_Int( variable[1] /*index*/)]= variable[2] /*item*/;
   return_label38: while(false);
   tracehead = trace.prev;
   return;
 }
 void array___Array___enlarge(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 245, LOCATE_array___Array___enlarge};
+  struct trace_t trace = {NULL, NULL, 250, LOCATE_array___Array___enlarge};
   val_t variable[7];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[4] = variable[0];
-  variable[4] = ATTR_array___Array____capacity(variable[4]) /*Array::_capacity*/;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Local variable */
+  /* Register variable[4]: Result */
+  variable[4] = ATTR_array___Array____capacity(variable[0]) /*Array::_capacity*/;
   variable[3] = variable[4];
+  /* Register variable[4]: Result */
   variable[4] = TAG_Bool(UNTAG_Int( variable[1] /*cap*/)<=UNTAG_Int( variable[3] /*c*/));
   if (UNTAG_Bool(variable[4])) { /*if*/
     goto return_label39;
   }
   while (true) { /*while*/
+    /* Register variable[4]: Result */
     variable[4] = TAG_Bool(UNTAG_Int( variable[3] /*c*/)<=UNTAG_Int( variable[1] /*cap*/));
     if (!UNTAG_Bool(variable[4])) break; /* while*/
+    /* Register variable[4]: Result */
     variable[4] = TAG_Int(UNTAG_Int( variable[3] /*c*/)*UNTAG_Int( TAG_Int(2)));
+    /* Register variable[4]: Result */
     variable[4] = TAG_Int(UNTAG_Int(variable[4])+UNTAG_Int( TAG_Int(2)));
     variable[3] = variable[4] /*c=*/;
     continue_40: while(0);
   }
   break_40: while(0);
-  variable[5] = variable[0];
+  /* Register variable[4]: Local variable */
+  /* Register variable[5]: Result */
   variable[5] = BOX_NativeArray((val_t*)malloc((UNTAG_Int( variable[3] /*c*/) * sizeof(val_t))));
   variable[4] = variable[5];
-  variable[5] = variable[0];
-  variable[5] = ATTR_array___Array____capacity(variable[5]) /*Array::_capacity*/;
+  /* Register variable[5]: Result */
+  variable[5] = ATTR_array___Array____capacity(variable[0]) /*Array::_capacity*/;
+  /* Register variable[5]: Result */
   variable[5] = TAG_Bool(UNTAG_Int(variable[5])>UNTAG_Int( TAG_Int(0)));
   if (UNTAG_Bool(variable[5])) { /*if*/
-    variable[5] = variable[0];
-    variable[5] = ATTR_array___Array____items(variable[5]) /*Array::_items*/;
-    variable[6] = variable[0];
-    variable[6] = ATTR_array___AbstractArray____length(variable[6]) /*AbstractArray::_length*/;
+    /* Register variable[5]: Result */
+    variable[5] = ATTR_array___Array____items(variable[0]) /*Array::_items*/;
+    /* Register variable[6]: Result */
+    variable[6] = ATTR_array___AbstractArrayRead____length(variable[0]) /*AbstractArrayRead::_length*/;
     (void)memcpy(UNBOX_NativeArray( variable[4] /*a*/), UNBOX_NativeArray(variable[5]), UNTAG_Int(variable[6])*sizeof(val_t));
   }
-  variable[5] = variable[0];
-  ATTR_array___Array____items(variable[5]) /*Array::_items*/ =  variable[4] /*a*/;
-  variable[5] = variable[0];
-  ATTR_array___Array____capacity(variable[5]) /*Array::_capacity*/ =  variable[3] /*c*/;
+  ATTR_array___Array____items(variable[0]) /*Array::_items*/ =  variable[4] /*a*/;
+  ATTR_array___Array____capacity(variable[0]) /*Array::_capacity*/ =  variable[3] /*c*/;
   return_label39: while(false);
   tracehead = trace.prev;
   return;
 }
 void array___Array___init(val_t  self, int* init_table) {
-  struct trace_t trace = {NULL, NULL, 256, LOCATE_array___Array___init};
-  val_t variable[3];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 261, LOCATE_array___Array___init};
+  val_t variable[2];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
   if (init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_Array].i]) return;
-  variable[2] = variable[0];
-  ATTR_array___Array____capacity(variable[2]) /*Array::_capacity*/ =  TAG_Int(0);
-  variable[2] = variable[0];
-  ATTR_array___AbstractArray____length(variable[2]) /*AbstractArray::_length*/ =  TAG_Int(0);
+  /* Register variable[1]: Method return value and escape marker */
+  ATTR_array___Array____capacity(variable[0]) /*Array::_capacity*/ =  TAG_Int(0);
+  ATTR_array___AbstractArrayRead____length(variable[0]) /*AbstractArrayRead::_length*/ =  TAG_Int(0);
   return_label41: while(false);
   init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_Array].i] = 1;
   tracehead = trace.prev;
   return;
 }
 void array___Array___with_items(val_t  self, val_t  param0, int* init_table) {
-  struct trace_t trace = {NULL, NULL, 263, LOCATE_array___Array___with_items};
-  val_t variable[5];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 268, LOCATE_array___Array___with_items};
+  val_t variable[4];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   /* check if p<Array[E] with p:E */
-  if (( param0!=NIT_NULL) && !VAL_ISA( param0, COLOR_Array, ID_Array)) { fprintf(stderr, "Cast failled"); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array___with_items, LOCATE_array, 264); nit_exit(1); } /*cast Array[E]*/;
+  if (( param0==NIT_NULL) || !VAL_ISA( param0, COLOR_Array, ID_Array)) { fprintf(stderr, "Cast failled"); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array___with_items, LOCATE_array, 269); nit_exit(1); } /*cast Array[E]*/;
   variable[1] =  param0;
   if (init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_Array].i]) return;
-  variable[3] = variable[0];
-  variable[4] = ATTR_array___Array____items( variable[1] /*objects*/) /*Array::_items*/;
-  ATTR_array___Array____items(variable[3]) /*Array::_items*/ = variable[4];
-  variable[3] = variable[0];
-  variable[4] = ATTR_array___Array____capacity( variable[1] /*objects*/) /*Array::_capacity*/;
-  ATTR_array___Array____capacity(variable[3]) /*Array::_capacity*/ = variable[4];
-  variable[3] = variable[0];
-  variable[4] = ((array___AbstractArray___length_t)CALL( variable[1] /*objects*/,COLOR_abstract_collection___Collection___length))( variable[1] /*objects*/) /*AbstractArray::length*/;
-  ATTR_array___AbstractArray____length(variable[3]) /*AbstractArray::_length*/ = variable[4];
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Result */
+  variable[3] = ATTR_array___Array____items( variable[1] /*objects*/) /*Array::_items*/;
+  ATTR_array___Array____items(variable[0]) /*Array::_items*/ = variable[3];
+  /* Register variable[3]: Result */
+  variable[3] = ATTR_array___Array____capacity( variable[1] /*objects*/) /*Array::_capacity*/;
+  ATTR_array___Array____capacity(variable[0]) /*Array::_capacity*/ = variable[3];
+  /* Register variable[3]: Result */
+  variable[3] = CALL_abstract_collection___Collection___length( variable[1] /*objects*/)( variable[1] /*objects*/) /*AbstractArrayRead::length*/;
+  ATTR_array___AbstractArrayRead____length(variable[0]) /*AbstractArrayRead::_length*/ = variable[3];
   return_label42: while(false);
   init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_Array].i] = 1;
   tracehead = trace.prev;
   return;
 }
 void array___Array___with_capacity(val_t  self, val_t  param0, int* init_table) {
-  struct trace_t trace = {NULL, NULL, 271, LOCATE_array___Array___with_capacity};
-  val_t variable[5];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 276, LOCATE_array___Array___with_capacity};
+  val_t variable[4];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
   if (init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_Array].i]) return;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Result */
   variable[3] = TAG_Bool(UNTAG_Int( variable[1] /*cap*/)>=UNTAG_Int( TAG_Int(0)));
-  if (!UNTAG_Bool(variable[3])) { fprintf(stderr, "Assert%s failed", " 'positive' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array___with_capacity, LOCATE_array, 274); nit_exit(1);}
-  variable[3] = variable[0];
-  variable[4] = variable[0];
-  variable[4] = BOX_NativeArray((val_t*)malloc((UNTAG_Int( variable[1] /*cap*/) * sizeof(val_t))));
-  ATTR_array___Array____items(variable[3]) /*Array::_items*/ = variable[4];
-  variable[3] = variable[0];
-  ATTR_array___Array____capacity(variable[3]) /*Array::_capacity*/ =  variable[1] /*cap*/;
-  variable[3] = variable[0];
-  ATTR_array___AbstractArray____length(variable[3]) /*AbstractArray::_length*/ =  TAG_Int(0);
+  if (!UNTAG_Bool(variable[3])) { fprintf(stderr, "Assert%s failed", " 'positive' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array___with_capacity, LOCATE_array, 279); nit_exit(1);}
+  /* Register variable[3]: Result */
+  variable[3] = BOX_NativeArray((val_t*)malloc((UNTAG_Int( variable[1] /*cap*/) * sizeof(val_t))));
+  ATTR_array___Array____items(variable[0]) /*Array::_items*/ = variable[3];
+  ATTR_array___Array____capacity(variable[0]) /*Array::_capacity*/ =  variable[1] /*cap*/;
+  ATTR_array___AbstractArrayRead____length(variable[0]) /*AbstractArrayRead::_length*/ =  TAG_Int(0);
   return_label43: while(false);
   init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_Array].i] = 1;
   tracehead = trace.prev;
   return;
 }
 void array___Array___filled_with(val_t  self, val_t  param0, val_t  param1, int* init_table) {
-  struct trace_t trace = {NULL, NULL, 280, LOCATE_array___Array___filled_with};
+  struct trace_t trace = {NULL, NULL, 285, LOCATE_array___Array___filled_with};
   val_t variable[6];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
+  /* Register variable[2]: Local variable */
   variable[2] =  param1;
   if (init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_Array].i]) return;
+  /* Register variable[3]: Method return value and escape marker */
+  /* Register variable[4]: Result */
   variable[4] = TAG_Bool(UNTAG_Int( variable[2] /*count*/)>=UNTAG_Int( TAG_Int(0)));
-  if (!UNTAG_Bool(variable[4])) { fprintf(stderr, "Assert%s failed", " 'positive' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array___filled_with, LOCATE_array, 283); nit_exit(1);}
-  variable[4] = variable[0];
-  variable[5] = variable[0];
-  variable[5] = BOX_NativeArray((val_t*)malloc((UNTAG_Int( variable[2] /*count*/) * sizeof(val_t))));
-  ATTR_array___Array____items(variable[4]) /*Array::_items*/ = variable[5];
-  variable[4] = variable[0];
-  ATTR_array___Array____capacity(variable[4]) /*Array::_capacity*/ =  variable[2] /*count*/;
-  variable[4] = variable[0];
-  ATTR_array___AbstractArray____length(variable[4]) /*AbstractArray::_length*/ =  variable[2] /*count*/;
+  if (!UNTAG_Bool(variable[4])) { fprintf(stderr, "Assert%s failed", " 'positive' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array___filled_with, LOCATE_array, 288); nit_exit(1);}
+  /* Register variable[4]: Result */
+  variable[4] = BOX_NativeArray((val_t*)malloc((UNTAG_Int( variable[2] /*count*/) * sizeof(val_t))));
+  ATTR_array___Array____items(variable[0]) /*Array::_items*/ = variable[4];
+  ATTR_array___Array____capacity(variable[0]) /*Array::_capacity*/ =  variable[2] /*count*/;
+  ATTR_array___AbstractArrayRead____length(variable[0]) /*AbstractArrayRead::_length*/ =  variable[2] /*count*/;
+  /* Register variable[4]: Local variable */
   variable[4] =  TAG_Int(0);
   while (true) { /*while*/
+    /* Register variable[5]: Result */
     variable[5] = TAG_Bool(UNTAG_Int( variable[4] /*i*/)<UNTAG_Int( variable[2] /*count*/));
     if (!UNTAG_Bool(variable[5])) break; /* while*/
-    variable[5] = variable[0];
-    ((array___Array_____braeq_t)CALL(variable[5],COLOR_abstract_collection___Map_____braeq))(variable[5],  variable[4] /*i*/,  variable[1] /*value*/) /*Array::[]=*/;
+    CALL_abstract_collection___Map_____braeq(variable[0])(variable[0],  variable[4] /*i*/,  variable[1] /*value*/) /*Array::[]=*/;
     variable[4] = TAG_Int(UNTAG_Int(variable[4])+UNTAG_Int( TAG_Int(1))) /*i*/;
     continue_45: while(0);
   }
@@ -872,40 +1030,45 @@ void array___Array___filled_with(val_t  self, val_t  param0, val_t  param1, int*
   return;
 }
 void array___Array___with_native(val_t  self, val_t  param0, val_t  param1, int* init_table) {
-  struct trace_t trace = {NULL, NULL, 294, LOCATE_array___Array___with_native};
+  struct trace_t trace = {NULL, NULL, 299, LOCATE_array___Array___with_native};
   val_t variable[5];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
+  /* Register variable[2]: Local variable */
   variable[2] =  param1;
   if (init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_Array].i]) return;
+  /* Register variable[3]: Method return value and escape marker */
+  /* Register variable[4]: Result */
   variable[4] = TAG_Bool(UNTAG_Int( variable[2] /*size*/)>=UNTAG_Int( TAG_Int(0)));
-  if (!UNTAG_Bool(variable[4])) { fprintf(stderr, "Assert%s failed", " 'positive' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array___with_native, LOCATE_array, 297); nit_exit(1);}
-  variable[4] = variable[0];
-  ATTR_array___Array____items(variable[4]) /*Array::_items*/ =  variable[1] /*nat*/;
-  variable[4] = variable[0];
-  ATTR_array___Array____capacity(variable[4]) /*Array::_capacity*/ =  variable[2] /*size*/;
-  variable[4] = variable[0];
-  ATTR_array___AbstractArray____length(variable[4]) /*AbstractArray::_length*/ =  variable[2] /*size*/;
+  if (!UNTAG_Bool(variable[4])) { fprintf(stderr, "Assert%s failed", " 'positive' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array___with_native, LOCATE_array, 302); nit_exit(1);}
+  ATTR_array___Array____items(variable[0]) /*Array::_items*/ =  variable[1] /*nat*/;
+  ATTR_array___Array____capacity(variable[0]) /*Array::_capacity*/ =  variable[2] /*size*/;
+  ATTR_array___AbstractArrayRead____length(variable[0]) /*AbstractArrayRead::_length*/ =  variable[2] /*size*/;
   return_label46: while(false);
   init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_Array].i] = 1;
   tracehead = trace.prev;
   return;
 }
 val_t array___ArrayIterator___item(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 313, LOCATE_array___ArrayIterator___item};
+  struct trace_t trace = {NULL, NULL, 318, LOCATE_array___ArrayIterator___item};
   val_t variable[4];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ATTR_array___ArrayIterator____array(variable[2]) /*ArrayIterator::_array*/;
-  variable[3] = variable[0];
-  variable[3] = ATTR_array___ArrayIterator____index(variable[3]) /*ArrayIterator::_index*/;
-  variable[2] = ((abstract_collection___Map_____bra_t)CALL(variable[2],COLOR_abstract_collection___Map_____bra))(variable[2], variable[3]) /*Map::[]*/;
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Result */
+  variable[2] = ATTR_array___ArrayIterator____array(variable[0]) /*ArrayIterator::_array*/;
+  /* Register variable[3]: Result */
+  variable[3] = ATTR_array___ArrayIterator____index(variable[0]) /*ArrayIterator::_index*/;
+  /* Register variable[2]: Result */
+  variable[2] = CALL_abstract_collection___MapRead_____bra(variable[2])(variable[2], variable[3]) /*MapRead::[]*/;
   variable[1] = variable[2];
   goto return_label47;
   return_label47: while(false);
@@ -913,30 +1076,35 @@ val_t array___ArrayIterator___item(val_t  self) {
   return variable[1];
 }
 void array___ArrayIterator___next(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 319, LOCATE_array___ArrayIterator___next};
-  val_t variable[3];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 324, LOCATE_array___ArrayIterator___next};
+  val_t variable[2];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[2] = variable[0];
-  ATTR_array___ArrayIterator____index(variable[2]) /*ArrayIterator::_index*/ = TAG_Int(UNTAG_Int(ATTR_array___ArrayIterator____index(variable[2]) /*ArrayIterator::_index*/)+UNTAG_Int( TAG_Int(1)));
+  /* Register variable[1]: Method return value and escape marker */
+  ATTR_array___ArrayIterator____index(variable[0]) /*ArrayIterator::_index*/ = TAG_Int(UNTAG_Int(ATTR_array___ArrayIterator____index(variable[0]) /*ArrayIterator::_index*/)+UNTAG_Int( TAG_Int(1)));
   return_label48: while(false);
   tracehead = trace.prev;
   return;
 }
 val_t array___ArrayIterator___is_ok(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 317, LOCATE_array___ArrayIterator___is_ok};
+  struct trace_t trace = {NULL, NULL, 322, LOCATE_array___ArrayIterator___is_ok};
   val_t variable[4];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ATTR_array___ArrayIterator____index(variable[2]) /*ArrayIterator::_index*/;
-  variable[3] = variable[0];
-  variable[3] = ATTR_array___ArrayIterator____array(variable[3]) /*ArrayIterator::_array*/;
-  variable[3] = ((array___AbstractArray___length_t)CALL(variable[3],COLOR_abstract_collection___Collection___length))(variable[3]) /*AbstractArray::length*/;
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Result */
+  variable[2] = ATTR_array___ArrayIterator____index(variable[0]) /*ArrayIterator::_index*/;
+  /* Register variable[3]: Result */
+  variable[3] = ATTR_array___ArrayIterator____array(variable[0]) /*ArrayIterator::_array*/;
+  /* Register variable[3]: Result */
+  variable[3] = CALL_abstract_collection___Collection___length(variable[3])(variable[3]) /*AbstractArrayRead::length*/;
+  /* Register variable[2]: Result */
   variable[2] = TAG_Bool(UNTAG_Int(variable[2])<UNTAG_Int(variable[3]));
   variable[1] = variable[2];
   goto return_label49;
@@ -944,995 +1112,1191 @@ val_t array___ArrayIterator___is_ok(val_t  self) {
   tracehead = trace.prev;
   return variable[1];
 }
-void array___ArrayIterator___item__eq(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 315, LOCATE_array___ArrayIterator___item__eq};
-  val_t variable[5];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_array;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[3] = ATTR_array___ArrayIterator____array(variable[3]) /*ArrayIterator::_array*/;
-  variable[4] = variable[0];
-  variable[4] = ATTR_array___ArrayIterator____index(variable[4]) /*ArrayIterator::_index*/;
-  ((abstract_collection___Map_____braeq_t)CALL(variable[3],COLOR_abstract_collection___Map_____braeq))(variable[3], variable[4],  variable[1] /*e*/) /*Map::[]=*/;
-  return_label50: while(false);
-  tracehead = trace.prev;
-  return;
-}
 val_t array___ArrayIterator___index(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 328, LOCATE_array___ArrayIterator___index};
+  struct trace_t trace = {NULL, NULL, 333, LOCATE_array___ArrayIterator___index};
   val_t *variable = NULL;
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
   tracehead = trace.prev;
   return ATTR_array___ArrayIterator____index( self) /*ArrayIterator::_index*/;
 }
 void array___ArrayIterator___init(val_t  self, val_t  param0, int* init_table) {
-  struct trace_t trace = {NULL, NULL, 321, LOCATE_array___ArrayIterator___init};
+  struct trace_t trace = {NULL, NULL, 326, LOCATE_array___ArrayIterator___init};
   val_t variable[4];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
   if (init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_ArrayIterator].i]) return;
-  variable[3] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[1] /*a*/ ==  NIT_NULL /*null*/) || (( variable[1] /*a*/ != NIT_NULL) && ((((kernel___Object_____eqeq_t)CALL( variable[1] /*a*/,COLOR_kernel___Object_____eqeq))==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[1] /*a*/, NIT_NULL /*null*/)):(UNTAG_Bool(((kernel___Object_____eqeq_t)CALL( variable[1] /*a*/,COLOR_kernel___Object_____eqeq))( variable[1] /*a*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (!UNTAG_Bool(variable[3])) { fprintf(stderr, "Assert%s failed", " 'not_nil' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___ArrayIterator___init, LOCATE_array, 323); nit_exit(1);}
-  variable[3] = variable[0];
-  ATTR_array___ArrayIterator____array(variable[3]) /*ArrayIterator::_array*/ =  variable[1] /*a*/;
-  variable[3] = variable[0];
-  ATTR_array___ArrayIterator____index(variable[3]) /*ArrayIterator::_index*/ =  TAG_Int(0);
-  return_label51: while(false);
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Result */
+  variable[3] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[1] /*a*/ ==  NIT_NULL /*null*/) || (( variable[1] /*a*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[1] /*a*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[1] /*a*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[1] /*a*/)( variable[1] /*a*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
+  if (!UNTAG_Bool(variable[3])) { fprintf(stderr, "Assert%s failed", " 'not_nil' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___ArrayIterator___init, LOCATE_array, 328); nit_exit(1);}
+  ATTR_array___ArrayIterator____array(variable[0]) /*ArrayIterator::_array*/ =  variable[1] /*a*/;
+  ATTR_array___ArrayIterator____index(variable[0]) /*ArrayIterator::_index*/ =  TAG_Int(0);
+  return_label50: while(false);
   init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_ArrayIterator].i] = 1;
   tracehead = trace.prev;
   return;
 }
 val_t array___ArraySet___iterator(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 364, LOCATE_array___ArraySet___iterator};
-  val_t variable[4];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 369, LOCATE_array___ArraySet___iterator};
+  val_t variable[3];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ATTR_array___ArraySet____array(variable[2]) /*ArraySet::_array*/;
-  variable[2] = ((array___AbstractArray___iterator_t)CALL(variable[2],COLOR_abstract_collection___Collection___iterator))(variable[2]) /*AbstractArray::iterator*/;
-  variable[3] = NEW_ArraySetIterator_array___ArraySetIterator___init(variable[2]); /*new ArraySetIterator[E]*/
-  variable[2] = variable[3];
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Result */
+  variable[2] = ATTR_array___ArraySet____array(variable[0]) /*ArraySet::_array*/;
+  /* Register variable[2]: Result */
+  variable[2] = CALL_abstract_collection___Collection___iterator(variable[2])(variable[2]) /*AbstractArrayRead::iterator*/;
+  /* Register variable[2]: Result */
+  variable[2] = NEW_ArraySetIterator_array___ArraySetIterator___init(variable[2]) /*new ArraySetIterator[E]*/;
   variable[1] = variable[2];
-  goto return_label52;
-  return_label52: while(false);
+  goto return_label51;
+  return_label51: while(false);
   tracehead = trace.prev;
   return variable[1];
 }
 val_t array___ArraySet___is_empty(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 344, LOCATE_array___ArraySet___is_empty};
+  struct trace_t trace = {NULL, NULL, 349, LOCATE_array___ArraySet___is_empty};
   val_t variable[3];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ATTR_array___ArraySet____array(variable[2]) /*ArraySet::_array*/;
-  variable[2] = ((array___AbstractArray___is_empty_t)CALL(variable[2],COLOR_abstract_collection___Collection___is_empty))(variable[2]) /*AbstractArray::is_empty*/;
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Result */
+  variable[2] = ATTR_array___ArraySet____array(variable[0]) /*ArraySet::_array*/;
+  /* Register variable[2]: Result */
+  variable[2] = CALL_abstract_collection___Collection___is_empty(variable[2])(variable[2]) /*AbstractArrayRead::is_empty*/;
   variable[1] = variable[2];
-  goto return_label53;
-  return_label53: while(false);
+  goto return_label52;
+  return_label52: while(false);
   tracehead = trace.prev;
   return variable[1];
 }
 val_t array___ArraySet___length(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 346, LOCATE_array___ArraySet___length};
+  struct trace_t trace = {NULL, NULL, 351, LOCATE_array___ArraySet___length};
   val_t variable[3];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ATTR_array___ArraySet____array(variable[2]) /*ArraySet::_array*/;
-  variable[2] = ((array___AbstractArray___length_t)CALL(variable[2],COLOR_abstract_collection___Collection___length))(variable[2]) /*AbstractArray::length*/;
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Result */
+  variable[2] = ATTR_array___ArraySet____array(variable[0]) /*ArraySet::_array*/;
+  /* Register variable[2]: Result */
+  variable[2] = CALL_abstract_collection___Collection___length(variable[2])(variable[2]) /*AbstractArrayRead::length*/;
   variable[1] = variable[2];
-  goto return_label54;
-  return_label54: while(false);
+  goto return_label53;
+  return_label53: while(false);
   tracehead = trace.prev;
   return variable[1];
 }
 val_t array___ArraySet___has(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 340, LOCATE_array___ArraySet___has};
+  struct trace_t trace = {NULL, NULL, 345, LOCATE_array___ArraySet___has};
   val_t variable[4];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[3] = ATTR_array___ArraySet____array(variable[3]) /*ArraySet::_array*/;
-  variable[3] = ((array___AbstractArray___has_t)CALL(variable[3],COLOR_abstract_collection___Collection___has))(variable[3],  variable[1] /*e*/) /*AbstractArray::has*/;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Result */
+  variable[3] = ATTR_array___ArraySet____array(variable[0]) /*ArraySet::_array*/;
+  /* Register variable[3]: Result */
+  variable[3] = CALL_abstract_collection___Collection___has(variable[3])(variable[3],  variable[1] /*e*/) /*AbstractArrayRead::has*/;
   variable[2] = variable[3];
-  goto return_label55;
-  return_label55: while(false);
+  goto return_label54;
+  return_label54: while(false);
   tracehead = trace.prev;
   return variable[2];
 }
 val_t array___ArraySet___first(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 348, LOCATE_array___ArraySet___first};
+  struct trace_t trace = {NULL, NULL, 353, LOCATE_array___ArraySet___first};
   val_t variable[3];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ATTR_array___ArraySet____array(variable[2]) /*ArraySet::_array*/;
-  variable[2] = ((array___AbstractArray___length_t)CALL(variable[2],COLOR_abstract_collection___Collection___length))(variable[2]) /*AbstractArray::length*/;
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Result */
+  variable[2] = ATTR_array___ArraySet____array(variable[0]) /*ArraySet::_array*/;
+  /* Register variable[2]: Result */
+  variable[2] = CALL_abstract_collection___Collection___length(variable[2])(variable[2]) /*AbstractArrayRead::length*/;
+  /* Register variable[2]: Result */
   variable[2] = TAG_Bool(UNTAG_Int(variable[2])>UNTAG_Int( TAG_Int(0)));
-  if (!UNTAG_Bool(variable[2])) { fprintf(stderr, "Assert%s failed", ""); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___ArraySet___first, LOCATE_array, 350); nit_exit(1);}
-  variable[2] = variable[0];
-  variable[2] = ATTR_array___ArraySet____array(variable[2]) /*ArraySet::_array*/;
-  variable[2] = ((abstract_collection___IndexedCollection___first_t)CALL(variable[2],COLOR_abstract_collection___Collection___first))(variable[2]) /*IndexedCollection::first*/;
+  if (!UNTAG_Bool(variable[2])) { fprintf(stderr, "Assert%s failed", ""); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___ArraySet___first, LOCATE_array, 355); nit_exit(1);}
+  /* Register variable[2]: Result */
+  variable[2] = ATTR_array___ArraySet____array(variable[0]) /*ArraySet::_array*/;
+  /* Register variable[2]: Result */
+  variable[2] = CALL_abstract_collection___Collection___first(variable[2])(variable[2]) /*IndexedCollectionRead::first*/;
   variable[1] = variable[2];
-  goto return_label56;
-  return_label56: while(false);
+  goto return_label55;
+  return_label55: while(false);
   tracehead = trace.prev;
   return variable[1];
 }
 void array___ArraySet___clear(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 362, LOCATE_array___ArraySet___clear};
+  struct trace_t trace = {NULL, NULL, 367, LOCATE_array___ArraySet___clear};
   val_t variable[3];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ATTR_array___ArraySet____array(variable[2]) /*ArraySet::_array*/;
-  ((array___AbstractArray___clear_t)CALL(variable[2],COLOR_abstract_collection___RemovableCollection___clear))(variable[2]) /*AbstractArray::clear*/;
-  return_label57: while(false);
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Result */
+  variable[2] = ATTR_array___ArraySet____array(variable[0]) /*ArraySet::_array*/;
+  CALL_abstract_collection___RemovableCollection___clear(variable[2])(variable[2]) /*AbstractArray::clear*/;
+  return_label56: while(false);
   tracehead = trace.prev;
   return;
 }
 void array___ArraySet___remove(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 354, LOCATE_array___ArraySet___remove};
+  struct trace_t trace = {NULL, NULL, 359, LOCATE_array___ArraySet___remove};
   val_t variable[5];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[4] = variable[0];
-  variable[4] = ATTR_array___ArraySet____array(variable[4]) /*ArraySet::_array*/;
-  variable[4] = ((array___AbstractArray___index_of_t)CALL(variable[4],COLOR_abstract_collection___IndexedCollection___index_of))(variable[4],  variable[1] /*item*/) /*AbstractArray::index_of*/;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Local variable */
+  /* Register variable[4]: Result */
+  variable[4] = ATTR_array___ArraySet____array(variable[0]) /*ArraySet::_array*/;
+  /* Register variable[4]: Result */
+  variable[4] = CALL_abstract_collection___IndexedCollectionRead___index_of(variable[4])(variable[4],  variable[1] /*item*/) /*AbstractArrayRead::index_of*/;
   variable[3] = variable[4];
+  /* Register variable[4]: Result */
   variable[4] = TAG_Bool(UNTAG_Int( variable[3] /*i*/)>=UNTAG_Int( TAG_Int(0)));
   if (UNTAG_Bool(variable[4])) { /*if*/
-    variable[4] = variable[0];
-    ((array___ArraySet___remove_at_t)CALL(variable[4],COLOR_array___ArraySet___remove_at))(variable[4],  variable[3] /*i*/) /*ArraySet::remove_at*/;
+    CALL_array___ArraySet___remove_at(variable[0])(variable[0],  variable[3] /*i*/) /*ArraySet::remove_at*/;
   }
-  return_label58: while(false);
+  return_label57: while(false);
   tracehead = trace.prev;
   return;
 }
 void array___ArraySet___remove_all(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 360, LOCATE_array___ArraySet___remove_all};
-  val_t variable[4];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 365, LOCATE_array___ArraySet___remove_all};
+  val_t variable[3];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[3] = variable[0];
-  ((array___ArraySet___remove_t)CALL(variable[3],COLOR_abstract_collection___RemovableCollection___remove))(variable[3],  variable[1] /*item*/) /*ArraySet::remove*/;
-  return_label59: while(false);
+  /* Register variable[2]: Method return value and escape marker */
+  CALL_abstract_collection___RemovableCollection___remove(variable[0])(variable[0],  variable[1] /*item*/) /*ArraySet::remove*/;
+  return_label58: while(false);
   tracehead = trace.prev;
   return;
 }
 void array___ArraySet___add(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 342, LOCATE_array___ArraySet___add};
+  struct trace_t trace = {NULL, NULL, 347, LOCATE_array___ArraySet___add};
   val_t variable[4];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[3] = ATTR_array___ArraySet____array(variable[3]) /*ArraySet::_array*/;
-  variable[3] = ((array___AbstractArray___has_t)CALL(variable[3],COLOR_abstract_collection___Collection___has))(variable[3],  variable[1] /*e*/) /*AbstractArray::has*/;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Result */
+  variable[3] = ATTR_array___ArraySet____array(variable[0]) /*ArraySet::_array*/;
+  /* Register variable[3]: Result */
+  variable[3] = CALL_abstract_collection___Collection___has(variable[3])(variable[3],  variable[1] /*e*/) /*AbstractArrayRead::has*/;
   if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[3])))) { /*if*/
-    variable[3] = variable[0];
-    variable[3] = ATTR_array___ArraySet____array(variable[3]) /*ArraySet::_array*/;
-    ((array___AbstractArray___add_t)CALL(variable[3],COLOR_abstract_collection___SimpleCollection___add))(variable[3],  variable[1] /*e*/) /*AbstractArray::add*/;
+    /* Register variable[3]: Result */
+    variable[3] = ATTR_array___ArraySet____array(variable[0]) /*ArraySet::_array*/;
+    CALL_abstract_collection___SimpleCollection___add(variable[3])(variable[3],  variable[1] /*e*/) /*AbstractArray::add*/;
   }
-  return_label60: while(false);
+  return_label59: while(false);
   tracehead = trace.prev;
   return;
 }
 void array___ArraySet___enlarge(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 366, LOCATE_array___ArraySet___enlarge};
+  struct trace_t trace = {NULL, NULL, 371, LOCATE_array___ArraySet___enlarge};
   val_t variable[4];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[3] = ATTR_array___ArraySet____array(variable[3]) /*ArraySet::_array*/;
-  ((array___Array___enlarge_t)CALL(variable[3],COLOR_array___AbstractArray___enlarge))(variable[3],  variable[1] /*cap*/) /*Array::enlarge*/;
-  return_label61: while(false);
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Result */
+  variable[3] = ATTR_array___ArraySet____array(variable[0]) /*ArraySet::_array*/;
+  CALL_array___AbstractArray___enlarge(variable[3])(variable[3],  variable[1] /*cap*/) /*Array::enlarge*/;
+  return_label60: while(false);
   tracehead = trace.prev;
   return;
 }
 void array___ArraySet___remove_at(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 369, LOCATE_array___ArraySet___remove_at};
+  struct trace_t trace = {NULL, NULL, 374, LOCATE_array___ArraySet___remove_at};
   val_t variable[5];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[3] = ATTR_array___ArraySet____array(variable[3]) /*ArraySet::_array*/;
-  variable[4] = variable[0];
-  variable[4] = ATTR_array___ArraySet____array(variable[4]) /*ArraySet::_array*/;
-  variable[4] = ((abstract_collection___IndexedCollection___last_t)CALL(variable[4],COLOR_abstract_collection___IndexedCollection___last))(variable[4]) /*IndexedCollection::last*/;
-  ((array___Array_____braeq_t)CALL(variable[3],COLOR_abstract_collection___Map_____braeq))(variable[3],  variable[1] /*i*/, variable[4]) /*Array::[]=*/;
-  variable[3] = variable[0];
-  variable[3] = ATTR_array___ArraySet____array(variable[3]) /*ArraySet::_array*/;
-  ((array___AbstractArray___pop_t)CALL(variable[3],COLOR_abstract_collection___IndexedCollection___pop))(variable[3]) /*AbstractArray::pop*/;
-  return_label62: while(false);
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Result */
+  variable[3] = ATTR_array___ArraySet____array(variable[0]) /*ArraySet::_array*/;
+  /* Register variable[4]: Result */
+  variable[4] = ATTR_array___ArraySet____array(variable[0]) /*ArraySet::_array*/;
+  /* Register variable[4]: Result */
+  variable[4] = CALL_abstract_collection___IndexedCollectionRead___last(variable[4])(variable[4]) /*IndexedCollectionRead::last*/;
+  CALL_abstract_collection___Map_____braeq(variable[3])(variable[3],  variable[1] /*i*/, variable[4]) /*Array::[]=*/;
+  /* Register variable[3]: Result */
+  variable[3] = ATTR_array___ArraySet____array(variable[0]) /*ArraySet::_array*/;
+  CALL_abstract_collection___IndexedCollection___pop(variable[3])(variable[3]) /*AbstractArray::pop*/;
+  return_label61: while(false);
   tracehead = trace.prev;
   return;
 }
 void array___ArraySet___init(val_t  self, int* init_table) {
-  struct trace_t trace = {NULL, NULL, 375, LOCATE_array___ArraySet___init};
-  val_t variable[4];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 380, LOCATE_array___ArraySet___init};
+  val_t variable[3];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
   if (init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_ArraySet].i]) return;
-  variable[2] = variable[0];
-  variable[3] = NEW_Array_array___Array___init(); /*new Array[E]*/
-  ATTR_array___ArraySet____array(variable[2]) /*ArraySet::_array*/ = variable[3];
-  return_label63: while(false);
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Result */
+  variable[2] = NEW_Array_array___Array___init() /*new Array[E]*/;
+  ATTR_array___ArraySet____array(variable[0]) /*ArraySet::_array*/ = variable[2];
+  return_label62: while(false);
   init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_ArraySet].i] = 1;
   tracehead = trace.prev;
   return;
 }
 void array___ArraySet___with_capacity(val_t  self, val_t  param0, int* init_table) {
-  struct trace_t trace = {NULL, NULL, 378, LOCATE_array___ArraySet___with_capacity};
-  val_t variable[5];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 383, LOCATE_array___ArraySet___with_capacity};
+  val_t variable[4];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
   if (init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_ArraySet].i]) return;
-  variable[3] = variable[0];
-  variable[4] = NEW_Array_array___Array___with_capacity( variable[1] /*i*/); /*new Array[E]*/
-  ATTR_array___ArraySet____array(variable[3]) /*ArraySet::_array*/ = variable[4];
-  return_label64: while(false);
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Result */
+  variable[3] = NEW_Array_array___Array___with_capacity( variable[1] /*i*/) /*new Array[E]*/;
+  ATTR_array___ArraySet____array(variable[0]) /*ArraySet::_array*/ = variable[3];
+  return_label63: while(false);
   init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_ArraySet].i] = 1;
   tracehead = trace.prev;
   return;
 }
 val_t array___ArraySetIterator___item(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 390, LOCATE_array___ArraySetIterator___item};
+  struct trace_t trace = {NULL, NULL, 395, LOCATE_array___ArraySetIterator___item};
   val_t variable[3];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ATTR_array___ArraySetIterator____iter(variable[2]) /*ArraySetIterator::_iter*/;
-  variable[2] = ((array___ArrayIterator___item_t)CALL(variable[2],COLOR_abstract_collection___Iterator___item))(variable[2]) /*ArrayIterator::item*/;
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Result */
+  variable[2] = ATTR_array___ArraySetIterator____iter(variable[0]) /*ArraySetIterator::_iter*/;
+  /* Register variable[2]: Result */
+  variable[2] = CALL_abstract_collection___Iterator___item(variable[2])(variable[2]) /*ArrayIterator::item*/;
   variable[1] = variable[2];
-  goto return_label65;
-  return_label65: while(false);
+  goto return_label64;
+  return_label64: while(false);
   tracehead = trace.prev;
   return variable[1];
 }
 void array___ArraySetIterator___next(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 388, LOCATE_array___ArraySetIterator___next};
+  struct trace_t trace = {NULL, NULL, 393, LOCATE_array___ArraySetIterator___next};
   val_t variable[3];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ATTR_array___ArraySetIterator____iter(variable[2]) /*ArraySetIterator::_iter*/;
-  ((array___ArrayIterator___next_t)CALL(variable[2],COLOR_abstract_collection___Iterator___next))(variable[2]) /*ArrayIterator::next*/;
-  return_label66: while(false);
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Result */
+  variable[2] = ATTR_array___ArraySetIterator____iter(variable[0]) /*ArraySetIterator::_iter*/;
+  CALL_abstract_collection___Iterator___next(variable[2])(variable[2]) /*ArrayIterator::next*/;
+  return_label65: while(false);
   tracehead = trace.prev;
   return;
 }
 val_t array___ArraySetIterator___is_ok(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 386, LOCATE_array___ArraySetIterator___is_ok};
+  struct trace_t trace = {NULL, NULL, 391, LOCATE_array___ArraySetIterator___is_ok};
   val_t variable[3];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ATTR_array___ArraySetIterator____iter(variable[2]) /*ArraySetIterator::_iter*/;
-  variable[2] = ((array___ArrayIterator___is_ok_t)CALL(variable[2],COLOR_abstract_collection___Iterator___is_ok))(variable[2]) /*ArrayIterator::is_ok*/;
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Result */
+  variable[2] = ATTR_array___ArraySetIterator____iter(variable[0]) /*ArraySetIterator::_iter*/;
+  /* Register variable[2]: Result */
+  variable[2] = CALL_abstract_collection___Iterator___is_ok(variable[2])(variable[2]) /*ArrayIterator::is_ok*/;
   variable[1] = variable[2];
-  goto return_label67;
-  return_label67: while(false);
+  goto return_label66;
+  return_label66: while(false);
   tracehead = trace.prev;
   return variable[1];
 }
 void array___ArraySetIterator___init(val_t  self, val_t  param0, int* init_table) {
-  struct trace_t trace = {NULL, NULL, 392, LOCATE_array___ArraySetIterator___init};
-  val_t variable[4];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 397, LOCATE_array___ArraySetIterator___init};
+  val_t variable[3];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
   if (init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_ArraySetIterator].i]) return;
-  variable[3] = variable[0];
-  ATTR_array___ArraySetIterator____iter(variable[3]) /*ArraySetIterator::_iter*/ =  variable[1] /*iter*/;
-  return_label68: while(false);
+  /* Register variable[2]: Method return value and escape marker */
+  ATTR_array___ArraySetIterator____iter(variable[0]) /*ArraySetIterator::_iter*/ =  variable[1] /*iter*/;
+  return_label67: while(false);
   init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_ArraySetIterator].i] = 1;
   tracehead = trace.prev;
   return;
 }
 val_t array___ArrayMap___iterator(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 454, LOCATE_array___ArrayMap___iterator};
-  val_t variable[4];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 459, LOCATE_array___ArrayMap___iterator};
+  val_t variable[3];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ATTR_array___ArrayMap____items(variable[2]) /*ArrayMap::_items*/;
-  variable[2] = ((array___AbstractArray___iterator_t)CALL(variable[2],COLOR_abstract_collection___Collection___iterator))(variable[2]) /*AbstractArray::iterator*/;
-  variable[3] = NEW_CoupleMapIterator_abstract_collection___CoupleMapIterator___init(variable[2]); /*new CoupleMapIterator[K, E]*/
-  variable[2] = variable[3];
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Result */
+  variable[2] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+  /* Register variable[2]: Result */
+  variable[2] = CALL_abstract_collection___Collection___iterator(variable[2])(variable[2]) /*AbstractArrayRead::iterator*/;
+  /* Register variable[2]: Result */
+  variable[2] = NEW_CoupleMapIterator_abstract_collection___CoupleMapIterator___init(variable[2]) /*new CoupleMapIterator[K, E]*/;
   variable[1] = variable[2];
-  goto return_label69;
-  return_label69: while(false);
+  goto return_label68;
+  return_label68: while(false);
   tracehead = trace.prev;
   return variable[1];
 }
 val_t array___ArrayMap___is_empty(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 456, LOCATE_array___ArrayMap___is_empty};
+  struct trace_t trace = {NULL, NULL, 461, LOCATE_array___ArrayMap___is_empty};
   val_t variable[3];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ATTR_array___ArrayMap____items(variable[2]) /*ArrayMap::_items*/;
-  variable[2] = ((array___AbstractArray___is_empty_t)CALL(variable[2],COLOR_abstract_collection___Collection___is_empty))(variable[2]) /*AbstractArray::is_empty*/;
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Result */
+  variable[2] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+  /* Register variable[2]: Result */
+  variable[2] = CALL_abstract_collection___Collection___is_empty(variable[2])(variable[2]) /*AbstractArrayRead::is_empty*/;
   variable[1] = variable[2];
-  goto return_label70;
-  return_label70: while(false);
+  goto return_label69;
+  return_label69: while(false);
   tracehead = trace.prev;
   return variable[1];
 }
 val_t array___ArrayMap___length(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 441, LOCATE_array___ArrayMap___length};
+  struct trace_t trace = {NULL, NULL, 446, LOCATE_array___ArrayMap___length};
   val_t variable[3];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ATTR_array___ArrayMap____items(variable[2]) /*ArrayMap::_items*/;
-  variable[2] = ((array___AbstractArray___length_t)CALL(variable[2],COLOR_abstract_collection___Collection___length))(variable[2]) /*AbstractArray::length*/;
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Result */
+  variable[2] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+  /* Register variable[2]: Result */
+  variable[2] = CALL_abstract_collection___Collection___length(variable[2])(variable[2]) /*AbstractArrayRead::length*/;
   variable[1] = variable[2];
-  goto return_label71;
-  return_label71: while(false);
+  goto return_label70;
+  return_label70: while(false);
   tracehead = trace.prev;
   return variable[1];
 }
 val_t array___ArrayMap___has(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 427, LOCATE_array___ArrayMap___has};
+  struct trace_t trace = {NULL, NULL, 432, LOCATE_array___ArrayMap___has};
   val_t variable[7];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[3] = ATTR_array___ArrayMap____items(variable[3]) /*ArrayMap::_items*/;
-  variable[3] = ((array___AbstractArray___iterator_t)CALL(variable[3],COLOR_abstract_collection___Collection___iterator))(variable[3]) /*AbstractArray::iterator*/;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Result */
+  variable[3] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+  /* Register variable[3]: For iterator */
+  variable[3] = CALL_abstract_collection___Collection___iterator(variable[3])(variable[3]) /*AbstractArrayRead::iterator*/;
   while (true) { /*for*/
-    variable[4] = ((array___ArrayIterator___is_ok_t)CALL(variable[3],COLOR_abstract_collection___Iterator___is_ok))(variable[3]) /*ArrayIterator::is_ok*/;
+    /* Register variable[4]: For 'is_ok' result */
+    variable[4] = CALL_abstract_collection___Iterator___is_ok(variable[3])(variable[3]) /*ArrayIterator::is_ok*/;
     if (!UNTAG_Bool(variable[4])) break; /*for*/
-    variable[4] = ((array___ArrayIterator___item_t)CALL(variable[3],COLOR_abstract_collection___Iterator___item))(variable[3]) /*ArrayIterator::item*/;
+    variable[4] = CALL_abstract_collection___Iterator___item(variable[3])(variable[3]) /*ArrayIterator::item*/ /* Ensure var: For item*/;
+    /* Register variable[5]: Local variable */
     variable[5] = variable[4];
-    variable[6] = ((abstract_collection___Couple___second_t)CALL( variable[5] /*i*/,COLOR_abstract_collection___Couple___second))( variable[5] /*i*/) /*Couple::second*/;
-    variable[6] = TAG_Bool((variable[6] ==  variable[1] /*item*/) || ((variable[6] != NIT_NULL) && ((((kernel___Object_____eqeq_t)CALL(variable[6],COLOR_kernel___Object_____eqeq))==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[6], variable[1] /*item*/)):(UNTAG_Bool(((kernel___Object_____eqeq_t)CALL(variable[6],COLOR_kernel___Object_____eqeq))(variable[6],  variable[1] /*item*/) /*Object::==*/)))));
+    /* Register variable[6]: Result */
+    variable[6] = CALL_abstract_collection___Couple___second( variable[5] /*i*/)( variable[5] /*i*/) /*Couple::second*/;
+    /* Register variable[6]: Result */
+    variable[6] = TAG_Bool((variable[6] ==  variable[1] /*item*/) || ((variable[6] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[6])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[6], variable[1] /*item*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[6])(variable[6],  variable[1] /*item*/) /*Object::==*/)))));
     if (UNTAG_Bool(variable[6])) { /*if*/
       variable[2] =  TAG_Bool(true);
-      goto return_label72;
+      goto return_label71;
     }
-    continue_73: while(0);
-    ((array___ArrayIterator___next_t)CALL(variable[3],COLOR_abstract_collection___Iterator___next))(variable[3]) /*ArrayIterator::next*/;
+    continue_72: while(0);
+    CALL_abstract_collection___Iterator___next(variable[3])(variable[3]) /*ArrayIterator::next*/;
   }
-  break_73: while(0);
+  break_72: while(0);
   variable[2] =  TAG_Bool(false);
-  goto return_label72;
-  return_label72: while(false);
+  goto return_label71;
+  return_label71: while(false);
   tracehead = trace.prev;
   return variable[2];
 }
 val_t array___ArrayMap___has_only(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 434, LOCATE_array___ArrayMap___has_only};
+  struct trace_t trace = {NULL, NULL, 439, LOCATE_array___ArrayMap___has_only};
   val_t variable[7];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[3] = ATTR_array___ArrayMap____items(variable[3]) /*ArrayMap::_items*/;
-  variable[3] = ((array___AbstractArray___iterator_t)CALL(variable[3],COLOR_abstract_collection___Collection___iterator))(variable[3]) /*AbstractArray::iterator*/;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Result */
+  variable[3] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+  /* Register variable[3]: For iterator */
+  variable[3] = CALL_abstract_collection___Collection___iterator(variable[3])(variable[3]) /*AbstractArrayRead::iterator*/;
   while (true) { /*for*/
-    variable[4] = ((array___ArrayIterator___is_ok_t)CALL(variable[3],COLOR_abstract_collection___Iterator___is_ok))(variable[3]) /*ArrayIterator::is_ok*/;
+    /* Register variable[4]: For 'is_ok' result */
+    variable[4] = CALL_abstract_collection___Iterator___is_ok(variable[3])(variable[3]) /*ArrayIterator::is_ok*/;
     if (!UNTAG_Bool(variable[4])) break; /*for*/
-    variable[4] = ((array___ArrayIterator___item_t)CALL(variable[3],COLOR_abstract_collection___Iterator___item))(variable[3]) /*ArrayIterator::item*/;
+    variable[4] = CALL_abstract_collection___Iterator___item(variable[3])(variable[3]) /*ArrayIterator::item*/ /* Ensure var: For item*/;
+    /* Register variable[5]: Local variable */
     variable[5] = variable[4];
-    variable[6] = ((abstract_collection___Couple___second_t)CALL( variable[5] /*i*/,COLOR_abstract_collection___Couple___second))( variable[5] /*i*/) /*Couple::second*/;
-    variable[6] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[6] ==  variable[1] /*item*/) || ((variable[6] != NIT_NULL) && ((((kernel___Object_____eqeq_t)CALL(variable[6],COLOR_kernel___Object_____eqeq))==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[6], variable[1] /*item*/)):(UNTAG_Bool(((kernel___Object_____eqeq_t)CALL(variable[6],COLOR_kernel___Object_____eqeq))(variable[6],  variable[1] /*item*/) /*Object::==*/)))))));
+    /* Register variable[6]: Result */
+    variable[6] = CALL_abstract_collection___Couple___second( variable[5] /*i*/)( variable[5] /*i*/) /*Couple::second*/;
+    /* Register variable[6]: Result */
+    variable[6] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[6] ==  variable[1] /*item*/) || ((variable[6] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[6])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[6], variable[1] /*item*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[6])(variable[6],  variable[1] /*item*/) /*Object::==*/)))))));
     if (UNTAG_Bool(variable[6])) { /*if*/
       variable[2] =  TAG_Bool(false);
-      goto return_label74;
+      goto return_label73;
     }
-    continue_75: while(0);
-    ((array___ArrayIterator___next_t)CALL(variable[3],COLOR_abstract_collection___Iterator___next))(variable[3]) /*ArrayIterator::next*/;
+    continue_74: while(0);
+    CALL_abstract_collection___Iterator___next(variable[3])(variable[3]) /*ArrayIterator::next*/;
   }
-  break_75: while(0);
+  break_74: while(0);
   variable[2] =  TAG_Bool(true);
-  goto return_label74;
-  return_label74: while(false);
+  goto return_label73;
+  return_label73: while(false);
   tracehead = trace.prev;
   return variable[2];
 }
 val_t array___ArrayMap___count(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 446, LOCATE_array___ArrayMap___count};
+  struct trace_t trace = {NULL, NULL, 451, LOCATE_array___ArrayMap___count};
   val_t variable[8];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Local variable */
   variable[3] =  TAG_Int(0);
-  variable[4] = variable[0];
-  variable[4] = ATTR_array___ArrayMap____items(variable[4]) /*ArrayMap::_items*/;
-  variable[4] = ((array___AbstractArray___iterator_t)CALL(variable[4],COLOR_abstract_collection___Collection___iterator))(variable[4]) /*AbstractArray::iterator*/;
+  /* Register variable[4]: Result */
+  variable[4] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+  /* Register variable[4]: For iterator */
+  variable[4] = CALL_abstract_collection___Collection___iterator(variable[4])(variable[4]) /*AbstractArrayRead::iterator*/;
   while (true) { /*for*/
-    variable[5] = ((array___ArrayIterator___is_ok_t)CALL(variable[4],COLOR_abstract_collection___Iterator___is_ok))(variable[4]) /*ArrayIterator::is_ok*/;
+    /* Register variable[5]: For 'is_ok' result */
+    variable[5] = CALL_abstract_collection___Iterator___is_ok(variable[4])(variable[4]) /*ArrayIterator::is_ok*/;
     if (!UNTAG_Bool(variable[5])) break; /*for*/
-    variable[5] = ((array___ArrayIterator___item_t)CALL(variable[4],COLOR_abstract_collection___Iterator___item))(variable[4]) /*ArrayIterator::item*/;
+    variable[5] = CALL_abstract_collection___Iterator___item(variable[4])(variable[4]) /*ArrayIterator::item*/ /* Ensure var: For item*/;
+    /* Register variable[6]: Local variable */
     variable[6] = variable[5];
-    variable[7] = ((abstract_collection___Couple___second_t)CALL( variable[6] /*i*/,COLOR_abstract_collection___Couple___second))( variable[6] /*i*/) /*Couple::second*/;
-    variable[7] = TAG_Bool((variable[7] ==  variable[1] /*item*/) || ((variable[7] != NIT_NULL) && ((((kernel___Object_____eqeq_t)CALL(variable[7],COLOR_kernel___Object_____eqeq))==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[7], variable[1] /*item*/)):(UNTAG_Bool(((kernel___Object_____eqeq_t)CALL(variable[7],COLOR_kernel___Object_____eqeq))(variable[7],  variable[1] /*item*/) /*Object::==*/)))));
+    /* Register variable[7]: Result */
+    variable[7] = CALL_abstract_collection___Couple___second( variable[6] /*i*/)( variable[6] /*i*/) /*Couple::second*/;
+    /* Register variable[7]: Result */
+    variable[7] = TAG_Bool((variable[7] ==  variable[1] /*item*/) || ((variable[7] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[7])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[7], variable[1] /*item*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[7])(variable[7],  variable[1] /*item*/) /*Object::==*/)))));
     if (UNTAG_Bool(variable[7])) { /*if*/
       variable[3] = TAG_Int(UNTAG_Int(variable[3])+UNTAG_Int( TAG_Int(1))) /*nb*/;
     }
-    continue_77: while(0);
-    ((array___ArrayIterator___next_t)CALL(variable[4],COLOR_abstract_collection___Iterator___next))(variable[4]) /*ArrayIterator::next*/;
+    continue_76: while(0);
+    CALL_abstract_collection___Iterator___next(variable[4])(variable[4]) /*ArrayIterator::next*/;
   }
-  break_77: while(0);
+  break_76: while(0);
   variable[2] =  variable[3] /*nb*/;
-  goto return_label76;
-  return_label76: while(false);
+  goto return_label75;
+  return_label75: while(false);
   tracehead = trace.prev;
   return variable[2];
 }
 val_t array___ArrayMap___first(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 444, LOCATE_array___ArrayMap___first};
+  struct trace_t trace = {NULL, NULL, 449, LOCATE_array___ArrayMap___first};
   val_t variable[3];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ATTR_array___ArrayMap____items(variable[2]) /*ArrayMap::_items*/;
-  variable[2] = ((abstract_collection___IndexedCollection___first_t)CALL(variable[2],COLOR_abstract_collection___Collection___first))(variable[2]) /*IndexedCollection::first*/;
-  variable[2] = ((abstract_collection___Couple___first_t)CALL(variable[2],COLOR_abstract_collection___Couple___first))(variable[2]) /*Couple::first*/;
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Result */
+  variable[2] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+  /* Register variable[2]: Result */
+  variable[2] = CALL_abstract_collection___Collection___first(variable[2])(variable[2]) /*IndexedCollectionRead::first*/;
+  /* Register variable[2]: Result */
+  variable[2] = CALL_abstract_collection___Couple___first(variable[2])(variable[2]) /*Couple::first*/;
   variable[1] = variable[2];
-  goto return_label78;
-  return_label78: while(false);
+  goto return_label77;
+  return_label77: while(false);
   tracehead = trace.prev;
   return variable[1];
 }
 void array___ArrayMap___clear(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 487, LOCATE_array___ArrayMap___clear};
+  struct trace_t trace = {NULL, NULL, 492, LOCATE_array___ArrayMap___clear};
   val_t variable[3];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ATTR_array___ArrayMap____items(variable[2]) /*ArrayMap::_items*/;
-  ((array___AbstractArray___clear_t)CALL(variable[2],COLOR_abstract_collection___RemovableCollection___clear))(variable[2]) /*AbstractArray::clear*/;
-  return_label79: while(false);
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Result */
+  variable[2] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+  CALL_abstract_collection___RemovableCollection___clear(variable[2])(variable[2]) /*AbstractArray::clear*/;
+  return_label78: while(false);
   tracehead = trace.prev;
   return;
 }
 void array___ArrayMap___remove(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 458, LOCATE_array___ArrayMap___remove};
-  val_t variable[10];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 463, LOCATE_array___ArrayMap___remove};
+  val_t variable[9];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[4] = variable[0];
-  variable[4] = ATTR_array___ArrayMap____items(variable[4]) /*ArrayMap::_items*/;
-  variable[4] = ((array___AbstractArray___length_t)CALL(variable[4],COLOR_abstract_collection___Collection___length))(variable[4]) /*AbstractArray::length*/;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Local variable */
+  /* Register variable[4]: Result */
+  variable[4] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+  /* Register variable[4]: Result */
+  variable[4] = CALL_abstract_collection___Collection___length(variable[4])(variable[4]) /*AbstractArrayRead::length*/;
+  /* Register variable[4]: Result */
   variable[4] = TAG_Int(UNTAG_Int(variable[4])-UNTAG_Int( TAG_Int(1)));
   variable[3] = variable[4];
   while (true) { /*while*/
+    /* Register variable[4]: Result */
     variable[4] = TAG_Bool(UNTAG_Int( variable[3] /*i*/)>=UNTAG_Int( TAG_Int(0)));
     if (!UNTAG_Bool(variable[4])) break; /* while*/
-    variable[4] = variable[0];
-    variable[4] = ATTR_array___ArrayMap____items(variable[4]) /*ArrayMap::_items*/;
+    /* Register variable[4]: Result */
+    variable[4] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+    /* Register variable[5]: Local variable */
     variable[5] = variable[4];
+    /* Register variable[6]: Local variable */
     variable[6] =  variable[3] /*i*/;
+    /* Register variable[7]: Method return value and escape marker */
+    /* Register variable[8]: Result */
     variable[8] = TAG_Bool(UNTAG_Int( variable[6] /*index*/)>=UNTAG_Int( TAG_Int(0)));
-    variable[9] = variable[8];
-    if (UNTAG_Bool(variable[9])) { /* and */
-      variable[9] = variable[5];
-      variable[9] = ATTR_array___AbstractArray____length(variable[9]) /*AbstractArray::_length*/;
-      variable[9] = TAG_Bool(UNTAG_Int( variable[6] /*index*/)<UNTAG_Int(variable[9]));
+    /* Ensure var variable[8]: Left 'and' operand*/
+    if (UNTAG_Bool(variable[8])) { /* and */
+      /* Register variable[8]: Result */
+      variable[8] = ATTR_array___AbstractArrayRead____length(variable[5]) /*AbstractArrayRead::_length*/;
+      /* Register variable[8]: Result */
+      variable[8] = TAG_Bool(UNTAG_Int( variable[6] /*index*/)<UNTAG_Int(variable[8]));
     }
-    variable[8] = variable[9];
-    if (!UNTAG_Bool(variable[8])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_array, 229); nit_exit(1);}
-    variable[8] = variable[5];
-    variable[8] = ATTR_array___Array____items(variable[8]) /*Array::_items*/;
+    /* Register variable[8]: Result */
+    if (!UNTAG_Bool(variable[8])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_array, 234); nit_exit(1);}
+    /* Register variable[8]: Result */
+    variable[8] = ATTR_array___Array____items(variable[5]) /*Array::_items*/;
+    /* Register variable[8]: Result */
     variable[8] = UNBOX_NativeArray(variable[8])[UNTAG_Int( variable[6] /*index*/)];
     variable[7] = variable[8];
-    goto return_label82;
-    return_label82: while(false);
+    goto return_label81;
+    return_label81: while(false);
+    /* Register variable[4]: Result */
     variable[4] = variable[7];
-    variable[4] = ((abstract_collection___Couple___second_t)CALL(variable[4],COLOR_abstract_collection___Couple___second))(variable[4]) /*Couple::second*/;
-    variable[4] = TAG_Bool((variable[4] ==  variable[1] /*item*/) || ((variable[4] != NIT_NULL) && ((((kernel___Object_____eqeq_t)CALL(variable[4],COLOR_kernel___Object_____eqeq))==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4], variable[1] /*item*/)):(UNTAG_Bool(((kernel___Object_____eqeq_t)CALL(variable[4],COLOR_kernel___Object_____eqeq))(variable[4],  variable[1] /*item*/) /*Object::==*/)))));
+    /* Register variable[4]: Result */
+    variable[4] = CALL_abstract_collection___Couple___second(variable[4])(variable[4]) /*Couple::second*/;
+    /* Register variable[4]: Result */
+    variable[4] = TAG_Bool((variable[4] ==  variable[1] /*item*/) || ((variable[4] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[4])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4], variable[1] /*item*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[4])(variable[4],  variable[1] /*item*/) /*Object::==*/)))));
     if (UNTAG_Bool(variable[4])) { /*if*/
-      variable[4] = variable[0];
-      ((array___ArrayMap___remove_at_index_t)CALL(variable[4],COLOR_array___ArrayMap___remove_at_index))(variable[4],  variable[3] /*i*/) /*ArrayMap::remove_at_index*/;
-      goto return_label80;
+      CALL_array___ArrayMap___remove_at_index(variable[0])(variable[0],  variable[3] /*i*/) /*ArrayMap::remove_at_index*/;
+      goto return_label79;
     }
     variable[3] = TAG_Int(UNTAG_Int(variable[3])-UNTAG_Int( TAG_Int(1))) /*i*/;
-    continue_81: while(0);
+    continue_80: while(0);
   }
-  break_81: while(0);
-  return_label80: while(false);
+  break_80: while(0);
+  return_label79: while(false);
   tracehead = trace.prev;
   return;
 }
 void array___ArrayMap___remove_all(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 470, LOCATE_array___ArrayMap___remove_all};
-  val_t variable[10];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 475, LOCATE_array___ArrayMap___remove_all};
+  val_t variable[9];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[4] = variable[0];
-  variable[4] = ATTR_array___ArrayMap____items(variable[4]) /*ArrayMap::_items*/;
-  variable[4] = ((array___AbstractArray___length_t)CALL(variable[4],COLOR_abstract_collection___Collection___length))(variable[4]) /*AbstractArray::length*/;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Local variable */
+  /* Register variable[4]: Result */
+  variable[4] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+  /* Register variable[4]: Result */
+  variable[4] = CALL_abstract_collection___Collection___length(variable[4])(variable[4]) /*AbstractArrayRead::length*/;
+  /* Register variable[4]: Result */
   variable[4] = TAG_Int(UNTAG_Int(variable[4])-UNTAG_Int( TAG_Int(1)));
   variable[3] = variable[4];
   while (true) { /*while*/
+    /* Register variable[4]: Result */
     variable[4] = TAG_Bool(UNTAG_Int( variable[3] /*i*/)>=UNTAG_Int( TAG_Int(0)));
     if (!UNTAG_Bool(variable[4])) break; /* while*/
-    variable[4] = variable[0];
-    variable[4] = ATTR_array___ArrayMap____items(variable[4]) /*ArrayMap::_items*/;
+    /* Register variable[4]: Result */
+    variable[4] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+    /* Register variable[5]: Local variable */
     variable[5] = variable[4];
+    /* Register variable[6]: Local variable */
     variable[6] =  variable[3] /*i*/;
+    /* Register variable[7]: Method return value and escape marker */
+    /* Register variable[8]: Result */
     variable[8] = TAG_Bool(UNTAG_Int( variable[6] /*index*/)>=UNTAG_Int( TAG_Int(0)));
-    variable[9] = variable[8];
-    if (UNTAG_Bool(variable[9])) { /* and */
-      variable[9] = variable[5];
-      variable[9] = ATTR_array___AbstractArray____length(variable[9]) /*AbstractArray::_length*/;
-      variable[9] = TAG_Bool(UNTAG_Int( variable[6] /*index*/)<UNTAG_Int(variable[9]));
+    /* Ensure var variable[8]: Left 'and' operand*/
+    if (UNTAG_Bool(variable[8])) { /* and */
+      /* Register variable[8]: Result */
+      variable[8] = ATTR_array___AbstractArrayRead____length(variable[5]) /*AbstractArrayRead::_length*/;
+      /* Register variable[8]: Result */
+      variable[8] = TAG_Bool(UNTAG_Int( variable[6] /*index*/)<UNTAG_Int(variable[8]));
     }
-    variable[8] = variable[9];
-    if (!UNTAG_Bool(variable[8])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_array, 229); nit_exit(1);}
-    variable[8] = variable[5];
-    variable[8] = ATTR_array___Array____items(variable[8]) /*Array::_items*/;
+    /* Register variable[8]: Result */
+    if (!UNTAG_Bool(variable[8])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_array, 234); nit_exit(1);}
+    /* Register variable[8]: Result */
+    variable[8] = ATTR_array___Array____items(variable[5]) /*Array::_items*/;
+    /* Register variable[8]: Result */
     variable[8] = UNBOX_NativeArray(variable[8])[UNTAG_Int( variable[6] /*index*/)];
     variable[7] = variable[8];
-    goto return_label85;
-    return_label85: while(false);
+    goto return_label84;
+    return_label84: while(false);
+    /* Register variable[4]: Result */
     variable[4] = variable[7];
-    variable[4] = ((abstract_collection___Couple___second_t)CALL(variable[4],COLOR_abstract_collection___Couple___second))(variable[4]) /*Couple::second*/;
-    variable[4] = TAG_Bool((variable[4] ==  variable[1] /*item*/) || ((variable[4] != NIT_NULL) && ((((kernel___Object_____eqeq_t)CALL(variable[4],COLOR_kernel___Object_____eqeq))==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4], variable[1] /*item*/)):(UNTAG_Bool(((kernel___Object_____eqeq_t)CALL(variable[4],COLOR_kernel___Object_____eqeq))(variable[4],  variable[1] /*item*/) /*Object::==*/)))));
+    /* Register variable[4]: Result */
+    variable[4] = CALL_abstract_collection___Couple___second(variable[4])(variable[4]) /*Couple::second*/;
+    /* Register variable[4]: Result */
+    variable[4] = TAG_Bool((variable[4] ==  variable[1] /*item*/) || ((variable[4] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[4])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4], variable[1] /*item*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[4])(variable[4],  variable[1] /*item*/) /*Object::==*/)))));
     if (UNTAG_Bool(variable[4])) { /*if*/
-      variable[4] = variable[0];
-      ((array___ArrayMap___remove_at_index_t)CALL(variable[4],COLOR_array___ArrayMap___remove_at_index))(variable[4],  variable[3] /*i*/) /*ArrayMap::remove_at_index*/;
+      CALL_array___ArrayMap___remove_at_index(variable[0])(variable[0],  variable[3] /*i*/) /*ArrayMap::remove_at_index*/;
     }
     variable[3] = TAG_Int(UNTAG_Int(variable[3])-UNTAG_Int( TAG_Int(1))) /*i*/;
-    continue_84: while(0);
+    continue_83: while(0);
   }
-  break_84: while(0);
-  return_label83: while(false);
+  break_83: while(0);
+  return_label82: while(false);
   tracehead = trace.prev;
   return;
 }
 val_t array___ArrayMap_____bra(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 402, LOCATE_array___ArrayMap_____bra};
-  val_t variable[10];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 407, LOCATE_array___ArrayMap_____bra};
+  val_t variable[9];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[4] = variable[0];
-  variable[4] = ((array___ArrayMap___index_t)CALL(variable[4],COLOR_array___ArrayMap___index))(variable[4],  variable[1] /*key*/) /*ArrayMap::index*/;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Local variable */
+  /* Register variable[4]: Result */
+  variable[4] = CALL_array___ArrayMap___index(variable[0])(variable[0],  variable[1] /*key*/) /*ArrayMap::index*/;
   variable[3] = variable[4];
+  /* Register variable[4]: Result */
   variable[4] = TAG_Bool(UNTAG_Int( variable[3] /*i*/)>=UNTAG_Int( TAG_Int(0)));
   if (UNTAG_Bool(variable[4])) { /*if*/
-    variable[4] = variable[0];
-    variable[4] = ATTR_array___ArrayMap____items(variable[4]) /*ArrayMap::_items*/;
+    /* Register variable[4]: Result */
+    variable[4] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+    /* Register variable[5]: Local variable */
     variable[5] = variable[4];
+    /* Register variable[6]: Local variable */
     variable[6] =  variable[3] /*i*/;
+    /* Register variable[7]: Method return value and escape marker */
+    /* Register variable[8]: Result */
     variable[8] = TAG_Bool(UNTAG_Int( variable[6] /*index*/)>=UNTAG_Int( TAG_Int(0)));
-    variable[9] = variable[8];
-    if (UNTAG_Bool(variable[9])) { /* and */
-      variable[9] = variable[5];
-      variable[9] = ATTR_array___AbstractArray____length(variable[9]) /*AbstractArray::_length*/;
-      variable[9] = TAG_Bool(UNTAG_Int( variable[6] /*index*/)<UNTAG_Int(variable[9]));
+    /* Ensure var variable[8]: Left 'and' operand*/
+    if (UNTAG_Bool(variable[8])) { /* and */
+      /* Register variable[8]: Result */
+      variable[8] = ATTR_array___AbstractArrayRead____length(variable[5]) /*AbstractArrayRead::_length*/;
+      /* Register variable[8]: Result */
+      variable[8] = TAG_Bool(UNTAG_Int( variable[6] /*index*/)<UNTAG_Int(variable[8]));
     }
-    variable[8] = variable[9];
-    if (!UNTAG_Bool(variable[8])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_array, 229); nit_exit(1);}
-    variable[8] = variable[5];
-    variable[8] = ATTR_array___Array____items(variable[8]) /*Array::_items*/;
+    /* Register variable[8]: Result */
+    if (!UNTAG_Bool(variable[8])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_array, 234); nit_exit(1);}
+    /* Register variable[8]: Result */
+    variable[8] = ATTR_array___Array____items(variable[5]) /*Array::_items*/;
+    /* Register variable[8]: Result */
     variable[8] = UNBOX_NativeArray(variable[8])[UNTAG_Int( variable[6] /*index*/)];
     variable[7] = variable[8];
-    goto return_label87;
-    return_label87: while(false);
+    goto return_label86;
+    return_label86: while(false);
+    /* Register variable[4]: Result */
     variable[4] = variable[7];
-    variable[4] = ((abstract_collection___Couple___second_t)CALL(variable[4],COLOR_abstract_collection___Couple___second))(variable[4]) /*Couple::second*/;
+    /* Register variable[4]: Result */
+    variable[4] = CALL_abstract_collection___Couple___second(variable[4])(variable[4]) /*Couple::second*/;
     variable[2] = variable[4];
-    goto return_label86;
+    goto return_label85;
   } else { /*if*/
-    variable[2] =  NIT_NULL /*null*/;
-    goto return_label86;
+    fprintf(stderr, "Aborted"); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___ArrayMap_____bra, LOCATE_array, 414); nit_exit(1);
   }
-  return_label86: while(false);
+  return_label85: while(false);
+  tracehead = trace.prev;
+  return variable[2];
+}
+val_t array___ArrayMap___has_key(val_t  self, val_t  param0) {
+  struct trace_t trace = {NULL, NULL, 429, LOCATE_array___ArrayMap___has_key};
+  val_t variable[4];
+  struct WBT_ **closurevariable = NULL;
+  trace.prev = tracehead; tracehead = &trace;
+  trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
+  variable[0] =  self;
+  /* Register variable[1]: Local variable */
+  variable[1] =  param0;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Result */
+  variable[3] = CALL_array___ArrayMap___index(variable[0])(variable[0],  variable[1] /*key*/) /*ArrayMap::index*/;
+  /* Register variable[3]: Result */
+  variable[3] = TAG_Bool(UNTAG_Int(variable[3])>=UNTAG_Int( TAG_Int(0)));
+  variable[2] = variable[3];
+  goto return_label87;
+  return_label87: while(false);
   tracehead = trace.prev;
   return variable[2];
 }
 void array___ArrayMap_____braeq(val_t  self, val_t  param0, val_t  param1) {
-  struct trace_t trace = {NULL, NULL, 413, LOCATE_array___ArrayMap_____braeq};
-  val_t variable[11];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 418, LOCATE_array___ArrayMap_____braeq};
+  val_t variable[10];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
+  /* Register variable[2]: Local variable */
   variable[2] =  param1;
-  variable[5] = variable[0];
-  variable[5] = ((array___ArrayMap___index_t)CALL(variable[5],COLOR_array___ArrayMap___index))(variable[5],  variable[1] /*key*/) /*ArrayMap::index*/;
+  /* Register variable[3]: Method return value and escape marker */
+  /* Register variable[4]: Local variable */
+  /* Register variable[5]: Result */
+  variable[5] = CALL_array___ArrayMap___index(variable[0])(variable[0],  variable[1] /*key*/) /*ArrayMap::index*/;
   variable[4] = variable[5];
+  /* Register variable[5]: Result */
   variable[5] = TAG_Bool(UNTAG_Int( variable[4] /*i*/)>=UNTAG_Int( TAG_Int(0)));
   if (UNTAG_Bool(variable[5])) { /*if*/
-    variable[5] = variable[0];
-    variable[5] = ATTR_array___ArrayMap____items(variable[5]) /*ArrayMap::_items*/;
+    /* Register variable[5]: Result */
+    variable[5] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+    /* Register variable[6]: Local variable */
     variable[6] = variable[5];
+    /* Register variable[7]: Local variable */
     variable[7] =  variable[4] /*i*/;
+    /* Register variable[8]: Method return value and escape marker */
+    /* Register variable[9]: Result */
     variable[9] = TAG_Bool(UNTAG_Int( variable[7] /*index*/)>=UNTAG_Int( TAG_Int(0)));
-    variable[10] = variable[9];
-    if (UNTAG_Bool(variable[10])) { /* and */
-      variable[10] = variable[6];
-      variable[10] = ATTR_array___AbstractArray____length(variable[10]) /*AbstractArray::_length*/;
-      variable[10] = TAG_Bool(UNTAG_Int( variable[7] /*index*/)<UNTAG_Int(variable[10]));
+    /* Ensure var variable[9]: Left 'and' operand*/
+    if (UNTAG_Bool(variable[9])) { /* and */
+      /* Register variable[9]: Result */
+      variable[9] = ATTR_array___AbstractArrayRead____length(variable[6]) /*AbstractArrayRead::_length*/;
+      /* Register variable[9]: Result */
+      variable[9] = TAG_Bool(UNTAG_Int( variable[7] /*index*/)<UNTAG_Int(variable[9]));
     }
-    variable[9] = variable[10];
-    if (!UNTAG_Bool(variable[9])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_array, 229); nit_exit(1);}
-    variable[9] = variable[6];
-    variable[9] = ATTR_array___Array____items(variable[9]) /*Array::_items*/;
+    /* Register variable[9]: Result */
+    if (!UNTAG_Bool(variable[9])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_array, 234); nit_exit(1);}
+    /* Register variable[9]: Result */
+    variable[9] = ATTR_array___Array____items(variable[6]) /*Array::_items*/;
+    /* Register variable[9]: Result */
     variable[9] = UNBOX_NativeArray(variable[9])[UNTAG_Int( variable[7] /*index*/)];
     variable[8] = variable[9];
     goto return_label89;
     return_label89: while(false);
+    /* Register variable[5]: Result */
     variable[5] = variable[8];
-    ((abstract_collection___Couple___second__eq_t)CALL(variable[5],COLOR_abstract_collection___Couple___second__eq))(variable[5],  variable[2] /*item*/) /*Couple::second=*/;
+    CALL_abstract_collection___Couple___second__eq(variable[5])(variable[5],  variable[2] /*item*/) /*Couple::second=*/;
   } else { /*if*/
-    variable[5] = variable[0];
-    variable[5] = ATTR_array___ArrayMap____items(variable[5]) /*ArrayMap::_items*/;
-    variable[6] = NEW_Couple_abstract_collection___Couple___init( variable[1] /*key*/,  variable[2] /*item*/); /*new Couple[K, E]*/
-    ((array___AbstractArray___push_t)CALL(variable[5],COLOR_abstract_collection___IndexedCollection___push))(variable[5], variable[6]) /*AbstractArray::push*/;
+    /* Register variable[5]: Result */
+    variable[5] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+    /* Register variable[6]: Result */
+    variable[6] = NEW_Couple_abstract_collection___Couple___init( variable[1] /*key*/,  variable[2] /*item*/) /*new Couple[K, E]*/;
+    CALL_abstract_collection___IndexedCollection___push(variable[5])(variable[5], variable[6]) /*AbstractArray::push*/;
   }
   return_label88: while(false);
   tracehead = trace.prev;
   return;
 }
-val_t array___ArrayMap___has_key(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 424, LOCATE_array___ArrayMap___has_key};
-  val_t variable[4];
-  void **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_array;
-  variable[0] =  self;
-  variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[3] = ((array___ArrayMap___index_t)CALL(variable[3],COLOR_array___ArrayMap___index))(variable[3],  variable[1] /*key*/) /*ArrayMap::index*/;
-  variable[3] = TAG_Bool(UNTAG_Int(variable[3])>=UNTAG_Int( TAG_Int(0)));
-  variable[2] = variable[3];
-  goto return_label90;
-  return_label90: while(false);
-  tracehead = trace.prev;
-  return variable[2];
-}
 void array___ArrayMap___remove_at(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 481, LOCATE_array___ArrayMap___remove_at};
+  struct trace_t trace = {NULL, NULL, 486, LOCATE_array___ArrayMap___remove_at};
   val_t variable[5];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[4] = variable[0];
-  variable[4] = ((array___ArrayMap___index_t)CALL(variable[4],COLOR_array___ArrayMap___index))(variable[4],  variable[1] /*key*/) /*ArrayMap::index*/;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Local variable */
+  /* Register variable[4]: Result */
+  variable[4] = CALL_array___ArrayMap___index(variable[0])(variable[0],  variable[1] /*key*/) /*ArrayMap::index*/;
   variable[3] = variable[4];
+  /* Register variable[4]: Result */
   variable[4] = TAG_Bool(UNTAG_Int( variable[3] /*i*/)>=UNTAG_Int( TAG_Int(0)));
   if (UNTAG_Bool(variable[4])) { /*if*/
-    variable[4] = variable[0];
-    ((array___ArrayMap___remove_at_index_t)CALL(variable[4],COLOR_array___ArrayMap___remove_at_index))(variable[4],  variable[3] /*i*/) /*ArrayMap::remove_at_index*/;
+    CALL_array___ArrayMap___remove_at_index(variable[0])(variable[0],  variable[3] /*i*/) /*ArrayMap::remove_at_index*/;
   }
-  return_label91: while(false);
+  return_label90: while(false);
   tracehead = trace.prev;
   return;
 }
 val_t array___ArrayMap___couple_at(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 492, LOCATE_array___ArrayMap___couple_at};
-  val_t variable[10];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 497, LOCATE_array___ArrayMap___couple_at};
+  val_t variable[9];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[4] = variable[0];
-  variable[4] = ((array___ArrayMap___index_t)CALL(variable[4],COLOR_array___ArrayMap___index))(variable[4],  variable[1] /*key*/) /*ArrayMap::index*/;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Local variable */
+  /* Register variable[4]: Result */
+  variable[4] = CALL_array___ArrayMap___index(variable[0])(variable[0],  variable[1] /*key*/) /*ArrayMap::index*/;
   variable[3] = variable[4];
+  /* Register variable[4]: Result */
   variable[4] = TAG_Bool(UNTAG_Int( variable[3] /*i*/)>=UNTAG_Int( TAG_Int(0)));
   if (UNTAG_Bool(variable[4])) { /*if*/
-    variable[4] = variable[0];
-    variable[4] = ATTR_array___ArrayMap____items(variable[4]) /*ArrayMap::_items*/;
+    /* Register variable[4]: Result */
+    variable[4] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+    /* Register variable[5]: Local variable */
     variable[5] = variable[4];
+    /* Register variable[6]: Local variable */
     variable[6] =  variable[3] /*i*/;
+    /* Register variable[7]: Method return value and escape marker */
+    /* Register variable[8]: Result */
     variable[8] = TAG_Bool(UNTAG_Int( variable[6] /*index*/)>=UNTAG_Int( TAG_Int(0)));
-    variable[9] = variable[8];
-    if (UNTAG_Bool(variable[9])) { /* and */
-      variable[9] = variable[5];
-      variable[9] = ATTR_array___AbstractArray____length(variable[9]) /*AbstractArray::_length*/;
-      variable[9] = TAG_Bool(UNTAG_Int( variable[6] /*index*/)<UNTAG_Int(variable[9]));
+    /* Ensure var variable[8]: Left 'and' operand*/
+    if (UNTAG_Bool(variable[8])) { /* and */
+      /* Register variable[8]: Result */
+      variable[8] = ATTR_array___AbstractArrayRead____length(variable[5]) /*AbstractArrayRead::_length*/;
+      /* Register variable[8]: Result */
+      variable[8] = TAG_Bool(UNTAG_Int( variable[6] /*index*/)<UNTAG_Int(variable[8]));
     }
-    variable[8] = variable[9];
-    if (!UNTAG_Bool(variable[8])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_array, 229); nit_exit(1);}
-    variable[8] = variable[5];
-    variable[8] = ATTR_array___Array____items(variable[8]) /*Array::_items*/;
+    /* Register variable[8]: Result */
+    if (!UNTAG_Bool(variable[8])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_array, 234); nit_exit(1);}
+    /* Register variable[8]: Result */
+    variable[8] = ATTR_array___Array____items(variable[5]) /*Array::_items*/;
+    /* Register variable[8]: Result */
     variable[8] = UNBOX_NativeArray(variable[8])[UNTAG_Int( variable[6] /*index*/)];
     variable[7] = variable[8];
-    goto return_label93;
-    return_label93: while(false);
+    goto return_label92;
+    return_label92: while(false);
+    /* Register variable[4]: Result */
     variable[4] = variable[7];
     variable[2] = variable[4];
-    goto return_label92;
+    goto return_label91;
   } else { /*if*/
     variable[2] =  NIT_NULL /*null*/;
-    goto return_label92;
+    goto return_label91;
   }
-  return_label92: while(false);
+  return_label91: while(false);
   tracehead = trace.prev;
   return variable[2];
 }
 void array___ArrayMap___enlarge(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 489, LOCATE_array___ArrayMap___enlarge};
+  struct trace_t trace = {NULL, NULL, 494, LOCATE_array___ArrayMap___enlarge};
   val_t variable[4];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[3] = ATTR_array___ArrayMap____items(variable[3]) /*ArrayMap::_items*/;
-  ((array___Array___enlarge_t)CALL(variable[3],COLOR_array___AbstractArray___enlarge))(variable[3],  variable[1] /*cap*/) /*Array::enlarge*/;
-  return_label94: while(false);
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Result */
+  variable[3] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+  CALL_array___AbstractArray___enlarge(variable[3])(variable[3],  variable[1] /*cap*/) /*Array::enlarge*/;
+  return_label93: while(false);
   tracehead = trace.prev;
   return;
 }
 void array___ArrayMap___remove_at_index(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 505, LOCATE_array___ArrayMap___remove_at_index};
+  struct trace_t trace = {NULL, NULL, 510, LOCATE_array___ArrayMap___remove_at_index};
   val_t variable[5];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[3] = variable[0];
-  variable[3] = ATTR_array___ArrayMap____items(variable[3]) /*ArrayMap::_items*/;
-  variable[4] = variable[0];
-  variable[4] = ATTR_array___ArrayMap____items(variable[4]) /*ArrayMap::_items*/;
-  variable[4] = ((abstract_collection___IndexedCollection___last_t)CALL(variable[4],COLOR_abstract_collection___IndexedCollection___last))(variable[4]) /*IndexedCollection::last*/;
-  ((array___Array_____braeq_t)CALL(variable[3],COLOR_abstract_collection___Map_____braeq))(variable[3],  variable[1] /*i*/, variable[4]) /*Array::[]=*/;
-  variable[3] = variable[0];
-  variable[3] = ATTR_array___ArrayMap____items(variable[3]) /*ArrayMap::_items*/;
-  ((array___AbstractArray___pop_t)CALL(variable[3],COLOR_abstract_collection___IndexedCollection___pop))(variable[3]) /*AbstractArray::pop*/;
-  return_label95: while(false);
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Result */
+  variable[3] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+  /* Register variable[4]: Result */
+  variable[4] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+  /* Register variable[4]: Result */
+  variable[4] = CALL_abstract_collection___IndexedCollectionRead___last(variable[4])(variable[4]) /*IndexedCollectionRead::last*/;
+  CALL_abstract_collection___Map_____braeq(variable[3])(variable[3],  variable[1] /*i*/, variable[4]) /*Array::[]=*/;
+  /* Register variable[3]: Result */
+  variable[3] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+  CALL_abstract_collection___IndexedCollection___pop(variable[3])(variable[3]) /*AbstractArray::pop*/;
+  return_label94: while(false);
   tracehead = trace.prev;
   return;
 }
 val_t array___ArrayMap___index(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 515, LOCATE_array___ArrayMap___index};
-  val_t variable[11];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 520, LOCATE_array___ArrayMap___index};
+  val_t variable[10];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
+  /* Register variable[1]: Local variable */
   variable[1] =  param0;
-  variable[4] = variable[0];
-  variable[4] = ATTR_array___ArrayMap____last_index(variable[4]) /*ArrayMap::_last_index*/;
+  /* Register variable[2]: Method return value and escape marker */
+  /* Register variable[3]: Local variable */
+  /* Register variable[4]: Result */
+  variable[4] = ATTR_array___ArrayMap____last_index(variable[0]) /*ArrayMap::_last_index*/;
   variable[3] = variable[4];
-  variable[4] = variable[0];
-  variable[4] = ATTR_array___ArrayMap____items(variable[4]) /*ArrayMap::_items*/;
-  variable[4] = ((array___AbstractArray___length_t)CALL(variable[4],COLOR_abstract_collection___Collection___length))(variable[4]) /*AbstractArray::length*/;
+  /* Register variable[4]: Result */
+  variable[4] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+  /* Register variable[4]: Result */
+  variable[4] = CALL_abstract_collection___Collection___length(variable[4])(variable[4]) /*AbstractArrayRead::length*/;
+  /* Register variable[4]: Result */
   variable[4] = TAG_Bool(UNTAG_Int( variable[3] /*l*/)<UNTAG_Int(variable[4]));
-  variable[5] = variable[4];
-  if (UNTAG_Bool(variable[5])) { /* and */
-    variable[5] = variable[0];
-    variable[5] = ATTR_array___ArrayMap____items(variable[5]) /*ArrayMap::_items*/;
-    variable[6] = variable[5];
-    variable[7] =  variable[3] /*l*/;
-    variable[9] = TAG_Bool(UNTAG_Int( variable[7] /*index*/)>=UNTAG_Int( TAG_Int(0)));
-    variable[10] = variable[9];
-    if (UNTAG_Bool(variable[10])) { /* and */
-      variable[10] = variable[6];
-      variable[10] = ATTR_array___AbstractArray____length(variable[10]) /*AbstractArray::_length*/;
-      variable[10] = TAG_Bool(UNTAG_Int( variable[7] /*index*/)<UNTAG_Int(variable[10]));
+  /* Ensure var variable[4]: Left 'and' operand*/
+  if (UNTAG_Bool(variable[4])) { /* and */
+    /* Register variable[4]: Result */
+    variable[4] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+    /* Register variable[5]: Local variable */
+    variable[5] = variable[4];
+    /* Register variable[6]: Local variable */
+    variable[6] =  variable[3] /*l*/;
+    /* Register variable[7]: Method return value and escape marker */
+    /* Register variable[8]: Result */
+    variable[8] = TAG_Bool(UNTAG_Int( variable[6] /*index*/)>=UNTAG_Int( TAG_Int(0)));
+    /* Ensure var variable[8]: Left 'and' operand*/
+    if (UNTAG_Bool(variable[8])) { /* and */
+      /* Register variable[8]: Result */
+      variable[8] = ATTR_array___AbstractArrayRead____length(variable[5]) /*AbstractArrayRead::_length*/;
+      /* Register variable[8]: Result */
+      variable[8] = TAG_Bool(UNTAG_Int( variable[6] /*index*/)<UNTAG_Int(variable[8]));
     }
-    variable[9] = variable[10];
-    if (!UNTAG_Bool(variable[9])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_array, 229); nit_exit(1);}
-    variable[9] = variable[6];
-    variable[9] = ATTR_array___Array____items(variable[9]) /*Array::_items*/;
-    variable[9] = UNBOX_NativeArray(variable[9])[UNTAG_Int( variable[7] /*index*/)];
-    variable[8] = variable[9];
-    goto return_label97;
-    return_label97: while(false);
-    variable[5] = variable[8];
-    variable[5] = ((abstract_collection___Couple___first_t)CALL(variable[5],COLOR_abstract_collection___Couple___first))(variable[5]) /*Couple::first*/;
-    variable[5] = TAG_Bool((variable[5] ==  variable[1] /*key*/) || ((variable[5] != NIT_NULL) && ((((kernel___Object_____eqeq_t)CALL(variable[5],COLOR_kernel___Object_____eqeq))==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5], variable[1] /*key*/)):(UNTAG_Bool(((kernel___Object_____eqeq_t)CALL(variable[5],COLOR_kernel___Object_____eqeq))(variable[5],  variable[1] /*key*/) /*Object::==*/)))));
+    /* Register variable[8]: Result */
+    if (!UNTAG_Bool(variable[8])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_array, 234); nit_exit(1);}
+    /* Register variable[8]: Result */
+    variable[8] = ATTR_array___Array____items(variable[5]) /*Array::_items*/;
+    /* Register variable[8]: Result */
+    variable[8] = UNBOX_NativeArray(variable[8])[UNTAG_Int( variable[6] /*index*/)];
+    variable[7] = variable[8];
+    goto return_label96;
+    return_label96: while(false);
+    /* Register variable[4]: Result */
+    variable[4] = variable[7];
+    /* Register variable[4]: Result */
+    variable[4] = CALL_abstract_collection___Couple___first(variable[4])(variable[4]) /*Couple::first*/;
+    /* Register variable[4]: Result */
+    variable[4] = TAG_Bool((variable[4] ==  variable[1] /*key*/) || ((variable[4] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[4])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4], variable[1] /*key*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[4])(variable[4],  variable[1] /*key*/) /*Object::==*/)))));
   }
-  variable[4] = variable[5];
+  /* Register variable[4]: Result */
   if (UNTAG_Bool(variable[4])) { /*if*/
     variable[2] =  variable[3] /*l*/;
-    goto return_label96;
+    goto return_label95;
   }
+  /* Register variable[4]: Local variable */
   variable[4] =  TAG_Int(0);
   while (true) { /*while*/
-    variable[5] = variable[0];
-    variable[5] = ATTR_array___ArrayMap____items(variable[5]) /*ArrayMap::_items*/;
-    variable[5] = ((array___AbstractArray___length_t)CALL(variable[5],COLOR_abstract_collection___Collection___length))(variable[5]) /*AbstractArray::length*/;
+    /* Register variable[5]: Result */
+    variable[5] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+    /* Register variable[5]: Result */
+    variable[5] = CALL_abstract_collection___Collection___length(variable[5])(variable[5]) /*AbstractArrayRead::length*/;
+    /* Register variable[5]: Result */
     variable[5] = TAG_Bool(UNTAG_Int( variable[4] /*i*/)<UNTAG_Int(variable[5]));
     if (!UNTAG_Bool(variable[5])) break; /* while*/
-    variable[5] = variable[0];
-    variable[5] = ATTR_array___ArrayMap____items(variable[5]) /*ArrayMap::_items*/;
+    /* Register variable[5]: Result */
+    variable[5] = ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/;
+    /* Register variable[6]: Local variable */
     variable[6] = variable[5];
+    /* Register variable[7]: Local variable */
     variable[7] =  variable[4] /*i*/;
+    /* Register variable[8]: Method return value and escape marker */
+    /* Register variable[9]: Result */
     variable[9] = TAG_Bool(UNTAG_Int( variable[7] /*index*/)>=UNTAG_Int( TAG_Int(0)));
-    variable[10] = variable[9];
-    if (UNTAG_Bool(variable[10])) { /* and */
-      variable[10] = variable[6];
-      variable[10] = ATTR_array___AbstractArray____length(variable[10]) /*AbstractArray::_length*/;
-      variable[10] = TAG_Bool(UNTAG_Int( variable[7] /*index*/)<UNTAG_Int(variable[10]));
+    /* Ensure var variable[9]: Left 'and' operand*/
+    if (UNTAG_Bool(variable[9])) { /* and */
+      /* Register variable[9]: Result */
+      variable[9] = ATTR_array___AbstractArrayRead____length(variable[6]) /*AbstractArrayRead::_length*/;
+      /* Register variable[9]: Result */
+      variable[9] = TAG_Bool(UNTAG_Int( variable[7] /*index*/)<UNTAG_Int(variable[9]));
     }
-    variable[9] = variable[10];
-    if (!UNTAG_Bool(variable[9])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_array, 229); nit_exit(1);}
-    variable[9] = variable[6];
-    variable[9] = ATTR_array___Array____items(variable[9]) /*Array::_items*/;
+    /* Register variable[9]: Result */
+    if (!UNTAG_Bool(variable[9])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_array, 234); nit_exit(1);}
+    /* Register variable[9]: Result */
+    variable[9] = ATTR_array___Array____items(variable[6]) /*Array::_items*/;
+    /* Register variable[9]: Result */
     variable[9] = UNBOX_NativeArray(variable[9])[UNTAG_Int( variable[7] /*index*/)];
     variable[8] = variable[9];
-    goto return_label99;
-    return_label99: while(false);
+    goto return_label98;
+    return_label98: while(false);
+    /* Register variable[5]: Result */
     variable[5] = variable[8];
-    variable[5] = ((abstract_collection___Couple___first_t)CALL(variable[5],COLOR_abstract_collection___Couple___first))(variable[5]) /*Couple::first*/;
-    variable[5] = TAG_Bool((variable[5] ==  variable[1] /*key*/) || ((variable[5] != NIT_NULL) && ((((kernel___Object_____eqeq_t)CALL(variable[5],COLOR_kernel___Object_____eqeq))==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5], variable[1] /*key*/)):(UNTAG_Bool(((kernel___Object_____eqeq_t)CALL(variable[5],COLOR_kernel___Object_____eqeq))(variable[5],  variable[1] /*key*/) /*Object::==*/)))));
+    /* Register variable[5]: Result */
+    variable[5] = CALL_abstract_collection___Couple___first(variable[5])(variable[5]) /*Couple::first*/;
+    /* Register variable[5]: Result */
+    variable[5] = TAG_Bool((variable[5] ==  variable[1] /*key*/) || ((variable[5] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[5])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5], variable[1] /*key*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[5])(variable[5],  variable[1] /*key*/) /*Object::==*/)))));
     if (UNTAG_Bool(variable[5])) { /*if*/
-      variable[5] = variable[0];
-      ATTR_array___ArrayMap____last_index(variable[5]) /*ArrayMap::_last_index*/ =  variable[4] /*i*/;
+      ATTR_array___ArrayMap____last_index(variable[0]) /*ArrayMap::_last_index*/ =  variable[4] /*i*/;
       variable[2] =  variable[4] /*i*/;
-      goto return_label96;
+      goto return_label95;
     }
     variable[4] = TAG_Int(UNTAG_Int(variable[4])+UNTAG_Int( TAG_Int(1))) /*i*/;
-    continue_98: while(0);
+    continue_97: while(0);
   }
-  break_98: while(0);
+  break_97: while(0);
+  /* Register variable[5]: Result */
   variable[5] = TAG_Int(-UNTAG_Int( TAG_Int(1)));
   variable[2] = variable[5];
-  goto return_label96;
-  return_label96: while(false);
+  goto return_label95;
+  return_label95: while(false);
   tracehead = trace.prev;
   return variable[2];
 }
 void array___ArrayMap___init(val_t  self, int* init_table) {
-  struct trace_t trace = {NULL, NULL, 533, LOCATE_array___ArrayMap___init};
-  val_t variable[4];
-  void **closurevariable = NULL;
+  struct trace_t trace = {NULL, NULL, 538, LOCATE_array___ArrayMap___init};
+  val_t variable[3];
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
   if (init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_ArrayMap].i]) return;
-  variable[2] = variable[0];
-  variable[3] = NEW_Array_array___Array___init(); /*new Array[Couple[K, E]]*/
-  ATTR_array___ArrayMap____items(variable[2]) /*ArrayMap::_items*/ = variable[3];
-  return_label100: while(false);
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Result */
+  variable[2] = NEW_Array_array___Array___init() /*new Array[Couple[K, E]]*/;
+  ATTR_array___ArrayMap____items(variable[0]) /*ArrayMap::_items*/ = variable[2];
+  return_label99: while(false);
   init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_ArrayMap].i] = 1;
   tracehead = trace.prev;
   return;
 }
 val_t array___Iterator___to_a(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 543, LOCATE_array___Iterator___to_a};
+  struct trace_t trace = {NULL, NULL, 548, LOCATE_array___Iterator___to_a};
   val_t variable[4];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[3] = NEW_Array_array___Array___init(); /*new Array[E]*/
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Local variable */
+  /* Register variable[3]: Result */
+  variable[3] = NEW_Array_array___Array___init() /*new Array[E]*/;
   variable[2] = variable[3];
   while (true) { /*while*/
-    variable[3] = variable[0];
-    variable[3] = ((abstract_collection___Iterator___is_ok_t)CALL(variable[3],COLOR_abstract_collection___Iterator___is_ok))(variable[3]) /*Iterator::is_ok*/;
+    /* Register variable[3]: Result */
+    variable[3] = CALL_abstract_collection___Iterator___is_ok(variable[0])(variable[0]) /*Iterator::is_ok*/;
     if (!UNTAG_Bool(variable[3])) break; /* while*/
-    variable[3] = variable[0];
-    variable[3] = ((abstract_collection___Iterator___item_t)CALL(variable[3],COLOR_abstract_collection___Iterator___item))(variable[3]) /*Iterator::item*/;
-    ((array___AbstractArray___add_t)CALL( variable[2] /*res*/,COLOR_abstract_collection___SimpleCollection___add))( variable[2] /*res*/, variable[3]) /*AbstractArray::add*/;
-    variable[3] = variable[0];
-    ((abstract_collection___Iterator___next_t)CALL(variable[3],COLOR_abstract_collection___Iterator___next))(variable[3]) /*Iterator::next*/;
-    continue_102: while(0);
+    /* Register variable[3]: Result */
+    variable[3] = CALL_abstract_collection___Iterator___item(variable[0])(variable[0]) /*Iterator::item*/;
+    CALL_abstract_collection___SimpleCollection___add( variable[2] /*res*/)( variable[2] /*res*/, variable[3]) /*AbstractArray::add*/;
+    CALL_abstract_collection___Iterator___next(variable[0])(variable[0]) /*Iterator::next*/;
+    continue_101: while(0);
   }
-  break_102: while(0);
+  break_101: while(0);
   variable[1] =  variable[2] /*res*/;
-  goto return_label101;
-  return_label101: while(false);
+  goto return_label100;
+  return_label100: while(false);
   tracehead = trace.prev;
   return variable[1];
 }
 val_t array___Collection___to_a(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 556, LOCATE_array___Collection___to_a};
+  struct trace_t trace = {NULL, NULL, 561, LOCATE_array___Collection___to_a};
   val_t variable[3];
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
+  /* Register variable[0]: Local variable */
   variable[0] =  self;
-  variable[2] = variable[0];
-  variable[2] = ((abstract_collection___Collection___iterator_t)CALL(variable[2],COLOR_abstract_collection___Collection___iterator))(variable[2]) /*Collection::iterator*/;
-  variable[2] = ((array___Iterator___to_a_t)CALL(variable[2],COLOR_array___Iterator___to_a))(variable[2]) /*Iterator::to_a*/;
+  /* Register variable[1]: Method return value and escape marker */
+  /* Register variable[2]: Result */
+  variable[2] = CALL_abstract_collection___Collection___iterator(variable[0])(variable[0]) /*Collection::iterator*/;
+  /* Register variable[2]: Result */
+  variable[2] = CALL_array___Iterator___to_a(variable[2])(variable[2]) /*Iterator::to_a*/;
   variable[1] = variable[2];
-  goto return_label103;
-  return_label103: while(false);
+  goto return_label102;
+  return_label102: while(false);
   tracehead = trace.prev;
   return variable[1];
 }
 val_t array___ArrayCapable___calloc_array(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 567, LOCATE_array___ArrayCapable___calloc_array};
+  struct trace_t trace = {NULL, NULL, 572, LOCATE_array___ArrayCapable___calloc_array};
   val_t *variable = NULL;
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
   tracehead = trace.prev;
   return BOX_NativeArray((val_t*)malloc((UNTAG_Int( param0) * sizeof(val_t))));
 }
 val_t array___NativeArray_____bra(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 573, LOCATE_array___NativeArray_____bra};
+  struct trace_t trace = {NULL, NULL, 578, LOCATE_array___NativeArray_____bra};
   val_t *variable = NULL;
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
   tracehead = trace.prev;
   return UNBOX_NativeArray( self)[UNTAG_Int( param0)];
 }
 void array___NativeArray_____braeq(val_t  self, val_t  param0, val_t  param1) {
-  struct trace_t trace = {NULL, NULL, 574, LOCATE_array___NativeArray_____braeq};
+  struct trace_t trace = {NULL, NULL, 579, LOCATE_array___NativeArray_____braeq};
   val_t *variable = NULL;
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
   UNBOX_NativeArray( self)[UNTAG_Int( param0)]= param1;
@@ -1940,9 +2304,9 @@ void array___NativeArray_____braeq(val_t  self, val_t  param0, val_t  param1) {
   return;
 }
 void array___NativeArray___copy_to(val_t  self, val_t  param0, val_t  param1) {
-  struct trace_t trace = {NULL, NULL, 575, LOCATE_array___NativeArray___copy_to};
+  struct trace_t trace = {NULL, NULL, 580, LOCATE_array___NativeArray___copy_to};
   val_t *variable = NULL;
-  void **closurevariable = NULL;
+  struct WBT_ **closurevariable = NULL;
   trace.prev = tracehead; tracehead = &trace;
   trace.file = LOCATE_array;
   (void)memcpy(UNBOX_NativeArray( param0), UNBOX_NativeArray( self), UNTAG_Int( param1)*sizeof(val_t));