Program: 69729
Project: 69729
Buggy source:
/** 
 * Gets the proper icon image for the given model
 * @param model the given model
 * @return Returns the proper icon image for the given model, or null if noproper one exists
 */
public static Image getImage(Object model){
  Image image=null;
  if (model instanceof ExtendedItemHandle) {
    image=getImage(getIconSymbolName(((ExtendedItemHandle)model).getExtensionName(),IExtensionConstants.ATTRIBUTE_KEY_OUTLINE_ICON));
    if (image == null) {
      image=getImage(IReportGraphicConstants.ICON_ELEMENT_EXTENDED_ITEM);
    }
  }
  if (model instanceof VariableElementHandle) {
    VariableElementHandle variable=(VariableElementHandle)model;
    if (DesignChoiceConstants.VARIABLE_TYPE_REPORT.equals(variable.getType())) {
      return getImage(IReportGraphicConstants.ICON_ELEMENT_VARIABLE_REPORT);
    }
 else {
      return getImage(IReportGraphicConstants.ICON_ELEMENT_VARIABLE_PAGE);
    }
  }
 else   if (model instanceof DesignElementHandle) {
    if (isLinkImg((DesignElementHandle)model) == true) {
      image=getImage(((DesignElementHandle)model).getElement().getDefn().getName() + "String_Node_Str" + IReportGraphicConstants.LINK);
    }
 else {
      image=getImage(((DesignElementHandle)model).getElement().getDefn().getName());
    }
  }
 else   if (model instanceof CssStyleSheetHandle) {
    if (isCSSLinkImg((CssStyleSheetHandle)model) == true) {
      image=getImage(IReportGraphicConstants.ICON_ELEMENT_CSS_STYLE_SHEET + "String_Node_Str" + IReportGraphicConstants.LINK);
    }
 else {
      image=getImage(IReportGraphicConstants.ICON_ELEMENT_CSS_STYLE_SHEET);
    }
  }
  return image;
}

Fixed version (ground truth):
/** 
 * Gets the proper icon image for the given model
 * @param model the given model
 * @return Returns the proper icon image for the given model, or null if noproper one exists
 */
public static Image getImage(Object model){
  Image image=null;
  if (model instanceof ExtendedItemHandle) {
    image=getImage(getIconSymbolName(((ExtendedItemHandle)model).getExtensionName(),IExtensionConstants.ATTRIBUTE_KEY_OUTLINE_ICON));
    if (image == null) {
      image=getImage(IReportGraphicConstants.ICON_ELEMENT_EXTENDED_ITEM);
    }
  }
 else   if (model instanceof VariableElementHandle) {
    VariableElementHandle variable=(VariableElementHandle)model;
    if (DesignChoiceConstants.VARIABLE_TYPE_REPORT.equals(variable.getType())) {
      return getImage(IReportGraphicConstants.ICON_ELEMENT_VARIABLE_REPORT);
    }
 else {
      return getImage(IReportGraphicConstants.ICON_ELEMENT_VARIABLE_PAGE);
    }
  }
 else   if (model instanceof DesignElementHandle) {
    if (isLinkImg((DesignElementHandle)model) == true) {
      image=getImage(((DesignElementHandle)model).getElement().getDefn().getName() + "String_Node_Str" + IReportGraphicConstants.LINK);
    }
 else {
      image=getImage(((DesignElementHandle)model).getElement().getDefn().getName());
    }
  }
 else   if (model instanceof CssStyleSheetHandle) {
    if (isCSSLinkImg((CssStyleSheetHandle)model) == true) {
      image=getImage(IReportGraphicConstants.ICON_ELEMENT_CSS_STYLE_SHEET + "String_Node_Str" + IReportGraphicConstants.LINK);
    }
 else {
      image=getImage(IReportGraphicConstants.ICON_ELEMENT_CSS_STYLE_SHEET);
    }
  }
  return image;
}