Program: 74263
Project: 74263
Buggy source:
protected void _loadAttributes(NamedObj model,File attributesPath,boolean force) throws IllegalActionException {
  for (  Object attrObject : model.attributeList(Variable.class)) {
    Attribute attr=(Attribute)attrObject;
    for (    Object paramObject : attr.attributeList(NaomiParameter.class)) {
      NaomiParameter naomiParam=(NaomiParameter)paramObject;
      String attributeName=naomiParam.getAttributeName();
      if (!_inputAttributes.contains(attributeName)) {
        continue;
      }
      Tuple<String,Date,String,String> tuple=_loadAttribute(attributesPath,attributeName);
      String value=tuple.getV1();
      Date date=tuple.getV2();
      String unit=tuple.getV3();
      String doc=tuple.getV4();
      if (!force) {
        Date attributeDate=naomiParam.getModifiedDate();
        if (!attributeDate.before(date)) {
          continue;
        }
      }
      System.out.println("String_Node_Str" + attributeName + "String_Node_Str"+ value);
      String moml="String_Node_Str" + attr.getName() + "String_Node_Str"+ "String_Node_Str"+ value+ "String_Node_Str";
      MoMLChangeRequest request=new MoMLChangeRequest(this,attr.getContainer(),moml);
      if (_undoable) {
        request.setUndoable(true);
        request.setMergeWithPreviousUndo(_mergeWithPrevious);
        _mergeWithPrevious=true;
      }
      request.execute();
      moml="String_Node_Str" + naomiParam.getName() + "String_Node_Str"+ "String_Node_Str"+ NaomiParameter.getExpression(naomiParam.getMethod(),naomiParam.getAttributeName(),date,unit,doc)+ "String_Node_Str";
      request=new MoMLChangeRequest(this,attr,moml);
      if (_undoable) {
        request.setUndoable(true);
        request.setMergeWithPreviousUndo(_mergeWithPrevious);
        _mergeWithPrevious=true;
      }
      request.execute();
      break;
    }
  }
}

Fixed version (ground truth):
protected void _loadAttributes(NamedObj model,File attributesPath,boolean force) throws IllegalActionException {
  for (  Object attrObject : model.attributeList(Variable.class)) {
    Attribute attr=(Attribute)attrObject;
    for (    Object paramObject : attr.attributeList(NaomiParameter.class)) {
      NaomiParameter naomiParam=(NaomiParameter)paramObject;
      String attributeName=naomiParam.getAttributeName();
      if (!_inputAttributes.contains(attributeName)) {
        continue;
      }
      Tuple<String,Date,String,String> tuple=_loadAttribute(attributesPath,attributeName);
      String value=tuple.getV1();
      Date date=tuple.getV2();
      String unit=tuple.getV3();
      String doc=tuple.getV4();
      if (!force) {
        Date attributeDate=naomiParam.getModifiedDate();
        if (!attributeDate.before(date)) {
          continue;
        }
      }
      System.out.println("String_Node_Str" + attributeName + "String_Node_Str"+ value);
      String moml="String_Node_Str" + attr.getName() + "String_Node_Str"+ "String_Node_Str"+ value+ "String_Node_Str";
      MoMLChangeRequest request=new MoMLChangeRequest(this,attr.getContainer(),moml);
      if (_undoable) {
        request.setUndoable(true);
        request.setMergeWithPreviousUndo(_mergeWithPrevious);
        _mergeWithPrevious=true;
      }
      request.execute();
      moml="String_Node_Str" + naomiParam.getName() + "String_Node_Str"+ "String_Node_Str"+ NaomiParameter.formatExpression(naomiParam.getMethod(),naomiParam.getAttributeName(),date,unit,doc)+ "String_Node_Str";
      request=new MoMLChangeRequest(this,attr,moml);
      if (_undoable) {
        request.setUndoable(true);
        request.setMergeWithPreviousUndo(_mergeWithPrevious);
        _mergeWithPrevious=true;
      }
      request.execute();
      break;
    }
  }
}