Program: 61730
Project: 61730
Buggy source:
@Override public void translate(Stack<GraphTargetItem> stack,List<GraphTargetItem> output,java.util.HashMap<Integer,String> regNames,HashMap<String,GraphTargetItem> variables,HashMap<String,GraphTargetItem> functions,int staticOperation,String path){
  GraphTargetItem value=stack.pop().getThroughDuplicate();
  GraphTargetItem index=stack.pop().getThroughDuplicate();
  GraphTargetItem target=stack.pop().getThroughDuplicate();
  int indexInt=0;
  if (index instanceof DirectValueActionItem) {
    if (((DirectValueActionItem)index).value instanceof Long) {
      indexInt=(int)(long)(Long)((DirectValueActionItem)index).value;
    }
  }
  if (value.getThroughDuplicate() instanceof IncrementActionItem) {
    GraphTargetItem obj=((IncrementActionItem)value).object;
    if (!stack.isEmpty()) {
      if (stack.peek().valueEquals(obj)) {
        stack.pop();
        stack.push(new PostIncrementActionItem(this,obj));
        return;
      }
    }
  }
  if (value.getThroughDuplicate() instanceof DecrementActionItem) {
    GraphTargetItem obj=((DecrementActionItem)value).object;
    if (!stack.isEmpty()) {
      if (stack.peek().valueEquals(obj)) {
        stack.pop();
        stack.push(new PostDecrementActionItem(this,obj));
        return;
      }
    }
  }
  GraphTargetItem ret=new SetPropertyActionItem(this,target,indexInt,value);
  if (value instanceof StoreRegisterActionItem) {
    StoreRegisterActionItem sr=(StoreRegisterActionItem)value;
    if (sr.define) {
      value=sr.getValue();
      ((SetPropertyActionItem)ret).setValue(value);
      if (value instanceof IncrementActionItem) {
        if (((IncrementActionItem)value).object instanceof GetPropertyActionItem) {
          if (((GetPropertyActionItem)((IncrementActionItem)value).object).valueEquals(((SetPropertyActionItem)ret).getObject())) {
            ret=new PreIncrementActionItem(this,((IncrementActionItem)value).object);
          }
        }
      }
 else       if (value instanceof DecrementActionItem) {
        if (((DecrementActionItem)value).object instanceof GetPropertyActionItem) {
          if (((GetPropertyActionItem)((DecrementActionItem)value).object).valueEquals(((SetPropertyActionItem)ret).getObject())) {
            ret=new PreDecrementActionItem(this,((DecrementActionItem)value).object);
          }
        }
      }
 else {
        sr.temporary=true;
        ((SetPropertyActionItem)ret).setValue(sr);
      }
      variables.put("String_Node_Str" + sr.register.number,new TemporaryRegister(sr.register.number,ret));
      return;
    }
  }
  output.add(ret);
}

Fixed version (ground truth):
@Override public void translate(Stack<GraphTargetItem> stack,List<GraphTargetItem> output,java.util.HashMap<Integer,String> regNames,HashMap<String,GraphTargetItem> variables,HashMap<String,GraphTargetItem> functions,int staticOperation,String path){
  GraphTargetItem value=stack.pop().getThroughDuplicate();
  GraphTargetItem index=stack.pop().getThroughDuplicate();
  GraphTargetItem target=stack.pop().getThroughDuplicate();
  int indexInt=0;
  if (index instanceof DirectValueActionItem) {
    if (((DirectValueActionItem)index).value instanceof Long) {
      indexInt=(int)(long)(Long)((DirectValueActionItem)index).value;
    }
 else     if (((DirectValueActionItem)index).value instanceof Double) {
      indexInt=(int)Math.round((Double)((DirectValueActionItem)index).value);
    }
 else     if (((DirectValueActionItem)index).value instanceof Float) {
      indexInt=(int)Math.round((Float)((DirectValueActionItem)index).value);
    }
  }
  if (value.getThroughDuplicate() instanceof IncrementActionItem) {
    GraphTargetItem obj=((IncrementActionItem)value).object;
    if (!stack.isEmpty()) {
      if (stack.peek().valueEquals(obj)) {
        stack.pop();
        stack.push(new PostIncrementActionItem(this,obj));
        return;
      }
    }
  }
  if (value.getThroughDuplicate() instanceof DecrementActionItem) {
    GraphTargetItem obj=((DecrementActionItem)value).object;
    if (!stack.isEmpty()) {
      if (stack.peek().valueEquals(obj)) {
        stack.pop();
        stack.push(new PostDecrementActionItem(this,obj));
        return;
      }
    }
  }
  GraphTargetItem ret=new SetPropertyActionItem(this,target,indexInt,value);
  if (value instanceof StoreRegisterActionItem) {
    StoreRegisterActionItem sr=(StoreRegisterActionItem)value;
    if (sr.define) {
      value=sr.getValue();
      ((SetPropertyActionItem)ret).setValue(value);
      if (value instanceof IncrementActionItem) {
        if (((IncrementActionItem)value).object instanceof GetPropertyActionItem) {
          if (((GetPropertyActionItem)((IncrementActionItem)value).object).valueEquals(((SetPropertyActionItem)ret).getObject())) {
            ret=new PreIncrementActionItem(this,((IncrementActionItem)value).object);
          }
        }
      }
 else       if (value instanceof DecrementActionItem) {
        if (((DecrementActionItem)value).object instanceof GetPropertyActionItem) {
          if (((GetPropertyActionItem)((DecrementActionItem)value).object).valueEquals(((SetPropertyActionItem)ret).getObject())) {
            ret=new PreDecrementActionItem(this,((DecrementActionItem)value).object);
          }
        }
      }
 else {
        sr.temporary=true;
        ((SetPropertyActionItem)ret).setValue(sr);
      }
      variables.put("String_Node_Str" + sr.register.number,new TemporaryRegister(sr.register.number,ret));
      return;
    }
  }
  output.add(ret);
}