Program: 178902
Project: 178902
Buggy source:
@Override public String getLabel(Object object){
  if (object instanceof XWikiEclipseObjectSummary) {
    XWikiEclipseObjectSummary objectSummary=(XWikiEclipseObjectSummary)object;
    int number=objectSummary.getNumber();
    String label="String_Node_Str" + number + "String_Node_Str";
    List<XWikiEclipseObjectProperty> objectProperties=objectSummary.getDataManager().getObjectProperties(objectSummary);
    boolean findNameAndTitle=false, foundStringProperty=false;
    for (    XWikiEclipseObjectProperty property : objectProperties) {
      String propertyName=property.getName().toLowerCase();
      if (propertyName.indexOf("String_Node_Str") >= 0) {
        label+=property.getValue();
        return label;
      }
    }
    for (    XWikiEclipseObjectProperty property : objectProperties) {
      String propertyName=property.getName().toLowerCase();
      if (propertyName.indexOf("String_Node_Str") >= 0 || propertyName.indexOf("String_Node_Str") >= 0) {
        findNameAndTitle=true;
        label+=property.getValue();
        return label;
      }
    }
    for (    XWikiEclipseObjectProperty property : objectProperties) {
      if (!findNameAndTitle) {
        if (property.getType().indexOf("String_Node_Str") >= 0 && !foundStringProperty) {
          foundStringProperty=true;
          label+=property.getValue();
          return label;
        }
 else         if (!(property.getType().indexOf("String_Node_Str") >= 0) && !foundStringProperty) {
          label+=property.getValue();
          return label;
        }
      }
    }
    return label;
  }
  return super.getLabel(object);
}

Fixed version (ground truth):
@Override public String getLabel(Object object){
  if (object instanceof XWikiEclipseObjectSummary) {
    XWikiEclipseObjectSummary objectSummary=(XWikiEclipseObjectSummary)object;
    int number=objectSummary.getNumber();
    String label="String_Node_Str" + number + "String_Node_Str";
    List<XWikiEclipseObjectProperty> objectProperties=objectSummary.getDataManager().getObjectProperties(objectSummary);
    boolean findNameAndTitle=false, foundStringProperty=false;
    for (    XWikiEclipseObjectProperty property : objectProperties) {
      String propertyName=property.getName().toLowerCase();
      if (propertyName.indexOf("String_Node_Str") >= 0 && property.getValue().length() > 0) {
        label+=property.getValue();
        return label;
      }
    }
    for (    XWikiEclipseObjectProperty property : objectProperties) {
      String propertyName=property.getName().toLowerCase();
      if (propertyName.indexOf("String_Node_Str") >= 0 || propertyName.indexOf("String_Node_Str") >= 0) {
        if (property.getValue().length() > 0) {
          findNameAndTitle=true;
          label+=property.getValue();
          return label;
        }
      }
    }
    for (    XWikiEclipseObjectProperty property : objectProperties) {
      if (!findNameAndTitle) {
        if (property.getType().indexOf("String_Node_Str") >= 0 && !foundStringProperty) {
          foundStringProperty=true;
          label+=property.getValue();
          return label;
        }
 else         if (!(property.getType().indexOf("String_Node_Str") >= 0) && !foundStringProperty) {
          label+=property.getValue();
          return label;
        }
      }
    }
    return label;
  }
  return super.getLabel(object);
}