Program: 161957
Project: 161957
Buggy source:
public String modelToString(){
  Map<String,Object> topDict=new HashMap<String,Object>();
  if (backgroundColor != null)   topDict.put("String_Node_Str",DocumentModel.RGBAArrayFromColor(backgroundColor));
  if (pdFile != null)   topDict.put("String_Node_Str",pdFile);
  if (canvasType == CanvasType.canvasTypeIPhone3p5Inch)   topDict.put("String_Node_Str","String_Node_Str");
 else   if (canvasType == CanvasType.canvasTypeIPhone4Inch)   topDict.put("String_Node_Str","String_Node_Str");
 else   if (canvasType == CanvasType.canvasTypeIPad)   topDict.put("String_Node_Str","String_Node_Str");
 else   if (canvasType == CanvasType.canvasTypeAndroid7Inch)   topDict.put("String_Node_Str","String_Node_Str");
  topDict.put("String_Node_Str",new Boolean(isOrientationLandscape));
  topDict.put("String_Node_Str",new Boolean(isPageScrollShortEnd));
  topDict.put("String_Node_Str",new Integer(pageCount));
  topDict.put("String_Node_Str",new Integer(startPageIndex));
  topDict.put("String_Node_Str",new Integer(port));
  topDict.put("String_Node_Str",new Float(VERSION));
  ArrayList<Map<String,Object>> jsonControlDictArray=new ArrayList<Map<String,Object>>();
  for (  MMPControl control : controlArray) {
    Map<String,Object> GUIDict=new HashMap<String,Object>();
    String[] classNameSplit=control.getClass().getName().split("String_Node_Str");
    GUIDict.put("String_Node_Str",classNameSplit[classNameSplit.length - 1]);
    ArrayList<Float> frameArray=new ArrayList<Float>();
    frameArray.add(new Float(control.getX()));
    frameArray.add(new Float(control.getY()));
    frameArray.add(new Float(control.getWidth()));
    frameArray.add(new Float(control.getHeight()));
    GUIDict.put("String_Node_Str",frameArray);
    GUIDict.put("String_Node_Str",DocumentModel.RGBAArrayFromColor(control.color));
    GUIDict.put("String_Node_Str",DocumentModel.RGBAArrayFromColor(control.highlightColor));
    GUIDict.put("String_Node_Str",control.getAddress());
    if (control instanceof MMPSlider) {
      MMPSlider currSlider=(MMPSlider)control;
      GUIDict.put("String_Node_Str",new Integer(currSlider.range));
      GUIDict.put("String_Node_Str",new Boolean(currSlider.isHorizontal));
    }
 else     if (control instanceof MMPKnob) {
      MMPKnob currKnob=(MMPKnob)control;
      GUIDict.put("String_Node_Str",new Integer(currKnob.range));
      GUIDict.put("String_Node_Str",DocumentModel.RGBAArrayFromColor(currKnob.indicatorColor));
    }
 else     if (control instanceof MMPLabel) {
      MMPLabel currLabel=(MMPLabel)control;
      GUIDict.put("String_Node_Str",new String(currLabel.stringValue));
      GUIDict.put("String_Node_Str",new Integer(currLabel.textSize));
      GUIDict.put("String_Node_Str",new String(currLabel.fontFamily));
      GUIDict.put("String_Node_Str",new String(currLabel.fontName));
      GUIDict.put("String_Node_Str",new String(currLabel.androidFontName));
    }
 else     if (control instanceof MMPGrid) {
      MMPGrid currGrid=(MMPGrid)control;
      ArrayList<Integer> dim=new ArrayList<Integer>();
      dim.add(new Integer(currGrid.dimX));
      dim.add(new Integer(currGrid.dimY));
      GUIDict.put("String_Node_Str",dim);
      GUIDict.put("String_Node_Str",new Integer(currGrid.cellPadding));
      GUIDict.put("String_Node_Str",new Integer(currGrid.borderThickness));
      GUIDict.put("String_Node_Str",new Integer(currGrid.getMode()));
    }
 else     if (control instanceof MMPPanel) {
      MMPPanel currPanel=(MMPPanel)control;
      if (currPanel.imagePath != null)       GUIDict.put("String_Node_Str",new String(currPanel.imagePath));
      GUIDict.put("String_Node_Str",new Boolean(currPanel.shouldPassTouches));
    }
 else     if (control instanceof MMPMultiSlider) {
      MMPMultiSlider currMultiSlider=(MMPMultiSlider)control;
      GUIDict.put("String_Node_Str",new Integer(currMultiSlider.range));
    }
 else     if (control instanceof MMPToggle) {
      MMPToggle currToggle=(MMPToggle)control;
      GUIDict.put("String_Node_Str",new Integer(currToggle.borderThickness));
    }
 else     if (control instanceof MMPMenu) {
      MMPMenu currMenu=(MMPMenu)control;
      GUIDict.put("String_Node_Str",new String(currMenu.titleString));
    }
 else     if (control instanceof MMPTable) {
      MMPTable currTable=(MMPTable)control;
      GUIDict.put("String_Node_Str",new Integer(currTable.getMode()));
      GUIDict.put("String_Node_Str",DocumentModel.RGBAArrayFromColor(currTable.getSelectionColor()));
    }
 else     if (control instanceof MMPUnknown) {
      GUIDict=((MMPUnknown)control).badGUIDict;
      ArrayList<Float> frameArray2=new ArrayList<Float>();
      frameArray2.add(new Float(control.getX()));
      frameArray2.add(new Float(control.getY()));
      frameArray2.add(new Float(control.getWidth()));
      frameArray2.add(new Float(control.getHeight()));
      GUIDict.put("String_Node_Str",frameArray2);
    }
    jsonControlDictArray.add(GUIDict);
  }
  topDict.put("String_Node_Str",jsonControlDictArray);
  return gson.toJson(topDict,Map.class);
}

Fixed version (ground truth):
public String modelToString(){
  Map<String,Object> topDict=new HashMap<String,Object>();
  if (backgroundColor != null)   topDict.put("String_Node_Str",DocumentModel.RGBAArrayFromColor(backgroundColor));
  if (pdFile != null)   topDict.put("String_Node_Str",pdFile);
  if (canvasType == CanvasType.canvasTypeIPhone3p5Inch)   topDict.put("String_Node_Str","String_Node_Str");
 else   if (canvasType == CanvasType.canvasTypeIPhone4Inch)   topDict.put("String_Node_Str","String_Node_Str");
 else   if (canvasType == CanvasType.canvasTypeIPad)   topDict.put("String_Node_Str","String_Node_Str");
 else   if (canvasType == CanvasType.canvasTypeAndroid7Inch)   topDict.put("String_Node_Str","String_Node_Str");
  topDict.put("String_Node_Str",new Boolean(isOrientationLandscape));
  topDict.put("String_Node_Str",new Boolean(isPageScrollShortEnd));
  topDict.put("String_Node_Str",new Integer(pageCount));
  topDict.put("String_Node_Str",new Integer(startPageIndex));
  topDict.put("String_Node_Str",new Integer(port));
  topDict.put("String_Node_Str",new Float(VERSION));
  ArrayList<Map<String,Object>> jsonControlDictArray=new ArrayList<Map<String,Object>>();
  for (  MMPControl control : controlArray) {
    Map<String,Object> GUIDict=new HashMap<String,Object>();
    String[] classNameSplit=control.getClass().getName().split("String_Node_Str");
    GUIDict.put("String_Node_Str",classNameSplit[classNameSplit.length - 1]);
    ArrayList<Float> frameArray=new ArrayList<Float>();
    frameArray.add(new Float(control.getX()));
    frameArray.add(new Float(control.getY()));
    frameArray.add(new Float(control.getWidth()));
    frameArray.add(new Float(control.getHeight()));
    GUIDict.put("String_Node_Str",frameArray);
    GUIDict.put("String_Node_Str",DocumentModel.RGBAArrayFromColor(control.color));
    GUIDict.put("String_Node_Str",DocumentModel.RGBAArrayFromColor(control.highlightColor));
    GUIDict.put("String_Node_Str",control.getAddress());
    if (control instanceof MMPSlider) {
      MMPSlider currSlider=(MMPSlider)control;
      GUIDict.put("String_Node_Str",new Integer(currSlider.range));
      GUIDict.put("String_Node_Str",new Boolean(currSlider.isHorizontal));
    }
 else     if (control instanceof MMPKnob) {
      MMPKnob currKnob=(MMPKnob)control;
      GUIDict.put("String_Node_Str",new Integer(currKnob.range));
      GUIDict.put("String_Node_Str",DocumentModel.RGBAArrayFromColor(currKnob.indicatorColor));
    }
 else     if (control instanceof MMPLabel) {
      MMPLabel currLabel=(MMPLabel)control;
      GUIDict.put("String_Node_Str",new String(currLabel.stringValue));
      GUIDict.put("String_Node_Str",new Integer(currLabel.textSize));
      GUIDict.put("String_Node_Str",new String(currLabel.fontFamily));
      GUIDict.put("String_Node_Str",new String(currLabel.fontName));
      GUIDict.put("String_Node_Str",new String(currLabel.androidFontFileName));
    }
 else     if (control instanceof MMPGrid) {
      MMPGrid currGrid=(MMPGrid)control;
      ArrayList<Integer> dim=new ArrayList<Integer>();
      dim.add(new Integer(currGrid.dimX));
      dim.add(new Integer(currGrid.dimY));
      GUIDict.put("String_Node_Str",dim);
      GUIDict.put("String_Node_Str",new Integer(currGrid.cellPadding));
      GUIDict.put("String_Node_Str",new Integer(currGrid.borderThickness));
      GUIDict.put("String_Node_Str",new Integer(currGrid.getMode()));
    }
 else     if (control instanceof MMPPanel) {
      MMPPanel currPanel=(MMPPanel)control;
      if (currPanel.imagePath != null)       GUIDict.put("String_Node_Str",new String(currPanel.imagePath));
      GUIDict.put("String_Node_Str",new Boolean(currPanel.shouldPassTouches));
    }
 else     if (control instanceof MMPMultiSlider) {
      MMPMultiSlider currMultiSlider=(MMPMultiSlider)control;
      GUIDict.put("String_Node_Str",new Integer(currMultiSlider.range));
    }
 else     if (control instanceof MMPToggle) {
      MMPToggle currToggle=(MMPToggle)control;
      GUIDict.put("String_Node_Str",new Integer(currToggle.borderThickness));
    }
 else     if (control instanceof MMPMenu) {
      MMPMenu currMenu=(MMPMenu)control;
      GUIDict.put("String_Node_Str",new String(currMenu.titleString));
    }
 else     if (control instanceof MMPTable) {
      MMPTable currTable=(MMPTable)control;
      GUIDict.put("String_Node_Str",new Integer(currTable.getMode()));
      GUIDict.put("String_Node_Str",DocumentModel.RGBAArrayFromColor(currTable.getSelectionColor()));
    }
 else     if (control instanceof MMPUnknown) {
      GUIDict=((MMPUnknown)control).badGUIDict;
      ArrayList<Float> frameArray2=new ArrayList<Float>();
      frameArray2.add(new Float(control.getX()));
      frameArray2.add(new Float(control.getY()));
      frameArray2.add(new Float(control.getWidth()));
      frameArray2.add(new Float(control.getHeight()));
      GUIDict.put("String_Node_Str",frameArray2);
    }
    jsonControlDictArray.add(GUIDict);
  }
  topDict.put("String_Node_Str",jsonControlDictArray);
  return gson.toJson(topDict,Map.class);
}