Program: 144226
Project: 144226
Buggy source:
public static Section buildChiefComplaintSection(Patient patient){
  Section section=CDAFactory.eINSTANCE.createSection();
  ChiefComplaintSection ccs=new ChiefComplaintSection();
  section.getTemplateIds().add(CDAHelper.buildTemplateID(ccs.getTemplateid(),null,null));
  section.setCode(CDAHelper.buildCodeCE(ccs.getCode(),ccs.getCodeSystem(),ccs.getSectionName(),ccs.getCodeSystemName()));
  section.setTitle(CDAHelper.buildTitle(ccs.getSectionDescription()));
  StrucDocText text=CDAFactory.eINSTANCE.createStrucDocText();
  StringBuilder builder=new StringBuilder();
  builder.append("String_Node_Str");
  ConceptService service=Context.getConceptService();
  SimpleDateFormat s=new SimpleDateFormat("String_Node_Str");
  Map<String,Date> latestObsdate=new HashMap<String,Date>();
  Concept concept=service.getConceptByMapping("String_Node_Str","String_Node_Str");
  List<Obs> observationList=new ArrayList<Obs>();
  observationList.addAll(Context.getObsService().getObservationsByPersonAndConcept(patient,concept));
  String value="String_Node_Str";
  for (  Obs obs : observationList) {
    int type=obs.getConcept().getDatatype().getId();
    if (latestObsdate.isEmpty()) {
      latestObsdate.put("String_Node_Str",obs.getObsDatetime());
      value=getDatatypesValue(type,obs);
    }
 else {
      Date date=latestObsdate.get("String_Node_Str");
      if (date.before(obs.getObsDatetime())) {
        latestObsdate.put("String_Node_Str",obs.getObsDatetime());
        value=getDatatypesValue(type,obs);
      }
    }
    System.out.println("String_Node_Str");
    System.out.println(latestObsdate);
  }
  builder.append(value);
  builder.append("String_Node_Str");
  text.addText(builder.toString());
  section.setText(text);
  return section;
}

Fixed version (ground truth):
public static Section buildChiefComplaintSection(Patient patient){
  Section section=CDAFactory.eINSTANCE.createSection();
  ChiefComplaintSection ccs=new ChiefComplaintSection();
  section.getTemplateIds().add(CDAHelper.buildTemplateID(ccs.getTemplateid(),null,null));
  section.setCode(CDAHelper.buildCodeCE(ccs.getCode(),ccs.getCodeSystem(),ccs.getSectionName(),ccs.getCodeSystemName()));
  section.setTitle(CDAHelper.buildTitle(ccs.getSectionDescription()));
  StrucDocText text=CDAFactory.eINSTANCE.createStrucDocText();
  StringBuilder builder=new StringBuilder();
  builder.append("String_Node_Str");
  ConceptService service=Context.getConceptService();
  Map<String,Date> latestObsdate=new HashMap<String,Date>();
  Concept concept=service.getConceptByMapping("String_Node_Str","String_Node_Str");
  List<Obs> observationList=new ArrayList<Obs>();
  observationList.addAll(Context.getObsService().getObservationsByPersonAndConcept(patient,concept));
  String value="String_Node_Str";
  for (  Obs obs : observationList) {
    int type=obs.getConcept().getDatatype().getId();
    if (latestObsdate.isEmpty()) {
      latestObsdate.put("String_Node_Str",obs.getObsDatetime());
      value=CDAHelper.getDatatypesValue(type,obs);
    }
 else {
      Date date=latestObsdate.get("String_Node_Str");
      if (date.before(obs.getObsDatetime())) {
        latestObsdate.put("String_Node_Str",obs.getObsDatetime());
        value=CDAHelper.getDatatypesValue(type,obs);
      }
    }
    System.out.println("String_Node_Str");
    System.out.println(latestObsdate);
  }
  builder.append(value);
  builder.append("String_Node_Str");
  text.addText(builder.toString());
  section.setText(text);
  return section;
}