Program: 62916
Project: 62916
Buggy source:
private void waitUntilDeletePersists(DataBundle dataBundle){
  for (  AccountAttributes a : dataBundle.accounts.values()) {
    Object retreived=null;
    int retryCount=0;
    while (retryCount < MAX_RETRY_COUNT_FOR_DELETE_CHECKING) {
      retreived=this.getAccount(a.googleId);
      if (retreived == null) {
        break;
      }
 else {
        retryCount++;
        ThreadHelper.waitFor(WAIT_DURATION_FOR_DELETE_CHECKING);
      }
    }
    if (retreived != null) {
      log.warning("String_Node_Str" + a.toString());
    }
  }
  for (  CourseAttributes c : dataBundle.courses.values()) {
    Object retreived=null;
    int retryCount=0;
    while (retryCount < MAX_RETRY_COUNT_FOR_DELETE_CHECKING) {
      retreived=this.getCourse(c.id);
      if (retreived == null) {
        break;
      }
 else {
        retryCount++;
        ThreadHelper.waitFor(WAIT_DURATION_FOR_DELETE_CHECKING);
      }
    }
    if (retreived != null) {
      log.warning("String_Node_Str" + c.toString());
    }
  }
  for (  EvaluationAttributes e : dataBundle.evaluations.values()) {
    Object retreived=null;
    int retryCount=0;
    while (retryCount < MAX_RETRY_COUNT_FOR_DELETE_CHECKING) {
      retreived=this.getEvaluation(e.courseId,e.name);
      if (retreived == null) {
        break;
      }
 else {
        retryCount++;
        if (retryCount % 10 == 0) {
          log.info("String_Node_Str");
        }
        ;
        ThreadHelper.waitFor(WAIT_DURATION_FOR_DELETE_CHECKING);
      }
    }
    if (retreived != null) {
      log.warning("String_Node_Str" + e.toString());
    }
  }
  for (  FeedbackSessionAttributes f : dataBundle.feedbackSessions.values()) {
    Object retreived=null;
    int retryCount=0;
    while (retryCount < MAX_RETRY_COUNT_FOR_DELETE_CHECKING) {
      retreived=this.getFeedbackSession(f.courseId,f.feedbackSessionName);
      if (retreived == null) {
        break;
      }
 else {
        retryCount++;
        if (retryCount % 10 == 0) {
          log.info("String_Node_Str");
        }
        ;
        ThreadHelper.waitFor(WAIT_DURATION_FOR_DELETE_CHECKING);
      }
    }
    if (retreived != null) {
      log.warning("String_Node_Str" + f.toString());
    }
  }
  for (  SubmissionAttributes s : dataBundle.submissions.values()) {
    Object retreived=null;
    int retryCount=0;
    while (retryCount < MAX_RETRY_COUNT_FOR_DELETE_CHECKING) {
      retreived=this.getSubmission(s.course,s.evaluation,s.reviewer,s.reviewee);
      if (retreived == null) {
        break;
      }
 else {
        retryCount++;
        ThreadHelper.waitFor(WAIT_DURATION_FOR_DELETE_CHECKING);
      }
    }
    if (retreived != null) {
      log.warning("String_Node_Str" + Utils.getTeammatesGson().toJson(s));
    }
  }
  for (  StudentAttributes s : dataBundle.students.values()) {
    Object retreived=null;
    int retryCount=0;
    while (retryCount < MAX_RETRY_COUNT_FOR_DELETE_CHECKING) {
      retreived=this.getStudentForEmail(s.course,s.email);
      if (retreived == null) {
        break;
      }
 else {
        retryCount++;
        ThreadHelper.waitFor(WAIT_DURATION_FOR_DELETE_CHECKING);
      }
    }
    if (retreived != null) {
      log.warning("String_Node_Str" + s.toString());
    }
  }
  for (  InstructorAttributes i : dataBundle.instructors.values()) {
    Object retreived=null;
    int retryCount=0;
    while (retryCount < MAX_RETRY_COUNT_FOR_DELETE_CHECKING) {
      retreived=this.getInstructorForGoogleId(i.courseId,i.googleId);
      if (retreived == null) {
        break;
      }
 else {
        retryCount++;
        ThreadHelper.waitFor(WAIT_DURATION_FOR_DELETE_CHECKING);
      }
    }
    if (retreived != null) {
      log.warning("String_Node_Str" + i.toString());
    }
  }
}

Fixed version (ground truth):
private void waitUntilDeletePersists(DataBundle dataBundle){
  for (  AccountAttributes a : dataBundle.accounts.values()) {
    Object retreived=null;
    int retryCount=0;
    while (retryCount < MAX_RETRY_COUNT_FOR_DELETE_CHECKING) {
      retreived=this.getAccount(a.googleId);
      if (retreived == null) {
        break;
      }
 else {
        retryCount++;
        ThreadHelper.waitFor(WAIT_DURATION_FOR_DELETE_CHECKING);
      }
    }
    if (retreived != null) {
      log.warning("String_Node_Str" + a.toString());
    }
  }
  for (  CourseAttributes c : dataBundle.courses.values()) {
    Object retreived=null;
    int retryCount=0;
    while (retryCount < MAX_RETRY_COUNT_FOR_DELETE_CHECKING) {
      retreived=this.getCourse(c.id);
      if (retreived == null) {
        break;
      }
 else {
        retryCount++;
        ThreadHelper.waitFor(WAIT_DURATION_FOR_DELETE_CHECKING);
      }
    }
    if (retreived != null) {
      log.warning("String_Node_Str" + c.toString());
    }
  }
  for (  EvaluationAttributes e : dataBundle.evaluations.values()) {
    Object retreived=null;
    int retryCount=0;
    while (retryCount < MAX_RETRY_COUNT_FOR_DELETE_CHECKING) {
      retreived=this.getEvaluation(e.courseId,e.name);
      if (retreived == null) {
        break;
      }
 else {
        retryCount++;
        if (retryCount % 10 == 0) {
          log.info("String_Node_Str");
        }
        ThreadHelper.waitFor(WAIT_DURATION_FOR_DELETE_CHECKING);
      }
    }
    if (retreived != null) {
      log.warning("String_Node_Str" + e.toString());
    }
  }
  for (  FeedbackSessionAttributes f : dataBundle.feedbackSessions.values()) {
    Object retreived=null;
    int retryCount=0;
    while (retryCount < MAX_RETRY_COUNT_FOR_DELETE_CHECKING) {
      retreived=this.getFeedbackSession(f.courseId,f.feedbackSessionName);
      if (retreived == null) {
        break;
      }
 else {
        retryCount++;
        if (retryCount % 10 == 0) {
          log.info("String_Node_Str");
        }
        ThreadHelper.waitFor(WAIT_DURATION_FOR_DELETE_CHECKING);
      }
    }
    if (retreived != null) {
      log.warning("String_Node_Str" + f.toString());
    }
  }
  for (  SubmissionAttributes s : dataBundle.submissions.values()) {
    Object retreived=null;
    int retryCount=0;
    while (retryCount < MAX_RETRY_COUNT_FOR_DELETE_CHECKING) {
      retreived=this.getSubmission(s.course,s.evaluation,s.reviewer,s.reviewee);
      if (retreived == null) {
        break;
      }
 else {
        retryCount++;
        ThreadHelper.waitFor(WAIT_DURATION_FOR_DELETE_CHECKING);
      }
    }
    if (retreived != null) {
      log.warning("String_Node_Str" + Utils.getTeammatesGson().toJson(s));
    }
  }
  for (  StudentAttributes s : dataBundle.students.values()) {
    Object retreived=null;
    int retryCount=0;
    while (retryCount < MAX_RETRY_COUNT_FOR_DELETE_CHECKING) {
      retreived=this.getStudentForEmail(s.course,s.email);
      if (retreived == null) {
        break;
      }
 else {
        retryCount++;
        ThreadHelper.waitFor(WAIT_DURATION_FOR_DELETE_CHECKING);
      }
    }
    if (retreived != null) {
      log.warning("String_Node_Str" + s.toString());
    }
  }
  for (  InstructorAttributes i : dataBundle.instructors.values()) {
    Object retreived=null;
    int retryCount=0;
    while (retryCount < MAX_RETRY_COUNT_FOR_DELETE_CHECKING) {
      retreived=this.getInstructorForGoogleId(i.courseId,i.googleId);
      if (retreived == null) {
        break;
      }
 else {
        retryCount++;
        ThreadHelper.waitFor(WAIT_DURATION_FOR_DELETE_CHECKING);
      }
    }
    if (retreived != null) {
      log.warning("String_Node_Str" + i.toString());
    }
  }
}