Program: 88619
Project: 88619
Buggy source:
@SuppressWarnings("String_Node_Str") public static JSONObject fillElement(Element e,JSONObject eInfo){
  JSONObject elementInfo=eInfo;
  if (elementInfo == null)   elementInfo=new JSONObject();
  JSONObject specialization=new JSONObject();
  elementInfo.put("String_Node_Str",specialization);
  Stereotype commentS=Utils.getCommentStereotype();
  if (e instanceof Package) {
    fillPackage((Package)e,specialization);
  }
 else   if (e instanceof Property || e instanceof Slot) {
    fillPropertySpecialization(e,specialization,true,true);
  }
 else   if (e instanceof DirectedRelationship) {
    fillDirectedRelationshipSpecialization((DirectedRelationship)e,specialization);
  }
 else   if (e instanceof Connector) {
    fillConnectorSpecialization((Connector)e,specialization);
  }
 else   if (e instanceof Operation) {
    fillOperationSpecialization((Operation)e,specialization);
  }
 else   if (e instanceof Constraint) {
    fillConstraintSpecialization((Constraint)e,specialization);
  }
 else   if (e instanceof InstanceSpecification) {
    specialization.put("String_Node_Str","String_Node_Str");
    fillInstanceSpecificationSpecialization((InstanceSpecification)e,specialization);
  }
 else   if (e instanceof Parameter) {
    fillParameterSpecialization((Parameter)e,specialization);
  }
 else   if (e instanceof Comment || StereotypesHelper.hasStereotypeOrDerived(e,commentS)) {
    specialization.put("String_Node_Str","String_Node_Str");
  }
 else   if (e instanceof Association) {
    fillAssociationSpecialization((Association)e,specialization);
  }
 else   if (e.getClass().getSimpleName().equals("String_Node_Str")) {
    Stereotype viewpoint=Utils.getViewpointStereotype();
    Stereotype view=Utils.getViewStereotype();
    Stereotype doc=Utils.getProductStereotype();
    if (viewpoint != null && StereotypesHelper.hasStereotypeOrDerived(e,viewpoint))     specialization.put("String_Node_Str","String_Node_Str");
 else     if (view != null && StereotypesHelper.hasStereotypeOrDerived(e,view)) {
      if (StereotypesHelper.hasStereotypeOrDerived(e,doc))       specialization.put("String_Node_Str","String_Node_Str");
 else       specialization.put("String_Node_Str","String_Node_Str");
      fillViewContent(e,specialization);
    }
 else     specialization.put("String_Node_Str","String_Node_Str");
  }
 else {
    specialization.put("String_Node_Str","String_Node_Str");
  }
  fillName(e,elementInfo);
  fillDoc(e,elementInfo);
  fillOwner(e,elementInfo);
  elementInfo.put("String_Node_Str",getElementID(e));
  return elementInfo;
}

Fixed version (ground truth):
@SuppressWarnings("String_Node_Str") public static JSONObject fillElement(Element e,JSONObject eInfo){
  JSONObject elementInfo=eInfo;
  if (elementInfo == null)   elementInfo=new JSONObject();
  JSONObject specialization=new JSONObject();
  elementInfo.put("String_Node_Str",specialization);
  Stereotype commentS=Utils.getCommentStereotype();
  if (e instanceof Package) {
    fillPackage((Package)e,specialization);
  }
 else   if (e instanceof Property || e instanceof Slot) {
    fillPropertySpecialization(e,specialization,true,true);
  }
 else   if (e instanceof DirectedRelationship) {
    fillDirectedRelationshipSpecialization((DirectedRelationship)e,specialization);
  }
 else   if (e instanceof Connector) {
    fillConnectorSpecialization((Connector)e,specialization);
  }
 else   if (e instanceof Operation) {
    fillOperationSpecialization((Operation)e,specialization);
  }
 else   if (e instanceof Constraint) {
    fillConstraintSpecialization((Constraint)e,specialization);
  }
 else   if (e instanceof InstanceSpecification) {
    specialization.put("String_Node_Str","String_Node_Str");
    fillInstanceSpecificationSpecialization((InstanceSpecification)e,specialization);
  }
 else   if (e instanceof Parameter) {
    fillParameterSpecialization((Parameter)e,specialization);
  }
 else   if (e instanceof Comment || StereotypesHelper.hasStereotypeOrDerived(e,commentS)) {
    specialization.put("String_Node_Str","String_Node_Str");
  }
 else   if (e instanceof Association) {
    fillAssociationSpecialization((Association)e,specialization);
  }
 else   if (e.getClass().getSimpleName().equals("String_Node_Str")) {
    Stereotype viewpoint=Utils.getViewpointStereotype();
    Stereotype view=Utils.getViewStereotype();
    Stereotype doc=Utils.getProductStereotype();
    if (viewpoint != null && StereotypesHelper.hasStereotypeOrDerived(e,viewpoint))     specialization.put("String_Node_Str","String_Node_Str");
 else     if (view != null && StereotypesHelper.hasStereotypeOrDerived(e,view)) {
      if (StereotypesHelper.hasStereotypeOrDerived(e,doc))       specialization.put("String_Node_Str","String_Node_Str");
 else       specialization.put("String_Node_Str","String_Node_Str");
      fillViewContent(e,specialization);
    }
 else     specialization.put("String_Node_Str","String_Node_Str");
  }
 else {
    specialization.put("String_Node_Str","String_Node_Str");
  }
  fillName(e,elementInfo);
  fillDoc(e,elementInfo);
  fillOwner(e,elementInfo);
  fillMetatype(e,elementInfo);
  elementInfo.put("String_Node_Str",getElementID(e));
  return elementInfo;
}