Program: 72390
Project: 72390
Buggy source:
@Override protected void _execute() throws IllegalActionException {
  CompositeActor container=(CompositeActor)classToInstantiate.getContainer();
  CompositeActor newActor=null;
  try {
    Instantiable instance=null;
    StructuralInformation info=_strucuralInformation.get(classHandle);
    LinkedList<ComponentEntity> actors=info.freeActors;
    if (actors.size() == 0) {
      instance=classToInstantiate.instantiate(container,objectName);
      newActor=(CompositeActor)instance;
      LinkedList<IOPort> outputPortList=(LinkedList<IOPort>)newActor.outputPortList();
      container.notifyConnectivityChange();
      for (      IOPort out : outputPortList) {
        ComponentRelation r=null;
        HashSet<IOPort> ports=info.getPortReceiver(out.getName());
        if (ports == null) {
          continue;
        }
        for (        IOPort recv : ports) {
          if (r == null) {
            r=container.connect(out,recv,objectName + "String_Node_Str" + out.getName());
          }
 else {
            recv.link(r);
          }
        }
      }
      if (_debugging) {
        _debug("String_Node_Str" + objectName);
      }
    }
 else {
      instance=actors.poll();
      newActor=(CompositeActor)instance;
      newActor.setDisplayName(objectName);
      if (_debugging) {
        _debug(instance.getName() + "String_Node_Str" + objectName);
      }
    }
{
      Attribute name=newActor.getAttribute("String_Node_Str");
      if (name != null) {
        Parameter p=(Parameter)name;
        p.setTypeEquals(BaseType.STRING);
        p.setExpression("String_Node_Str" + objectName + "String_Node_Str");
      }
    }
    List<HlaSubscriber> subscribers=newActor.entityList(HlaSubscriber.class);
    for (int i=0; i < subscribers.size(); ++i) {
      HlaSubscriber sub=subscribers.get(i);
      sub.objectName.setExpression("String_Node_Str" + objectName + "String_Node_Str");
      ;
      sub.setObjectHandle(objectHandle);
      _hlaAttributesSubscribedTo.put(sub.getIdentity(),new Object[]{sub.output,sub.output.getType(),"String_Node_Str",classHandle,sub.getAttributeHandle()});
      _fromFederationEvents.put(sub.getIdentity(),new LinkedList<TimedEvent>());
    }
  }
 catch (  NameDuplicationException|CloneNotSupportedException ex) {
    ex.printStackTrace();
  }
}

Fixed version (ground truth):
@Override protected void _execute() throws IllegalActionException {
  CompositeActor container=(CompositeActor)classToInstantiate.getContainer();
  CompositeActor newActor=null;
  try {
    Instantiable instance=null;
    StructuralInformation info=_strucuralInformation.get(classHandle);
    LinkedList<ComponentEntity> actors=info.freeActors;
    if (actors.size() == 0) {
      instance=classToInstantiate.instantiate(container,objectName);
      newActor=(CompositeActor)instance;
      LinkedList<IOPort> outputPortList=(LinkedList<IOPort>)newActor.outputPortList();
      container.notifyConnectivityChange();
      for (      IOPort out : outputPortList) {
        ComponentRelation r=null;
        HashSet<IOPort> ports=info.getPortReceiver(out.getName());
        if (ports == null) {
          continue;
        }
        for (        IOPort recv : ports) {
          if (r == null) {
            r=container.connect(out,recv,objectName + "String_Node_Str" + out.getName());
          }
 else {
            recv.link(r);
          }
        }
      }
      if (_debugging) {
        _debug("String_Node_Str" + objectName);
      }
    }
 else {
      instance=actors.poll();
      if (instance == null) {
        throw new IllegalActionException("String_Node_Str");
      }
 else {
        newActor=(CompositeActor)instance;
        newActor.setDisplayName(objectName);
        if (_debugging) {
          _debug(instance.getName() + "String_Node_Str" + objectName);
        }
      }
    }
{
      Attribute name=newActor.getAttribute("String_Node_Str");
      if (name != null) {
        Parameter p=(Parameter)name;
        p.setTypeEquals(BaseType.STRING);
        p.setExpression("String_Node_Str" + objectName + "String_Node_Str");
      }
    }
    List<HlaSubscriber> subscribers=newActor.entityList(HlaSubscriber.class);
    for (int i=0; i < subscribers.size(); ++i) {
      HlaSubscriber sub=subscribers.get(i);
      sub.objectName.setExpression("String_Node_Str" + objectName + "String_Node_Str");
      ;
      sub.setObjectHandle(objectHandle);
      _hlaAttributesSubscribedTo.put(sub.getIdentity(),new Object[]{sub.output,sub.output.getType(),"String_Node_Str",classHandle,sub.getAttributeHandle()});
      _fromFederationEvents.put(sub.getIdentity(),new LinkedList<TimedEvent>());
    }
  }
 catch (  NameDuplicationException|CloneNotSupportedException ex) {
    ex.printStackTrace();
  }
}