Program: 34250
Project: 34250
Buggy source:
/** 
 * Takes a msg that we have determined to be an acknowledgment and checks whether it is one which we are awaiting. If so, the status of the corresponding Message is updated. 
 * @param msg - A msg object containing the acknowledgment to be processed
 */
private void processAck(BMObject msg){
  byte[] ackData=msg.getPayload();
  PayloadProvider payProv=PayloadProvider.get(App.getContext());
  String[] columnNames=new String[]{PayloadsTable.COLUMN_ACK,PayloadsTable.COLUMN_BELONGS_TO_ME};
  String[] searchTerms=new String[]{"String_Node_Str","String_Node_Str"};
  ArrayList<Payload> expectedAckPayloads=payProv.searchPayloads(columnNames,searchTerms);
  for (  Payload p : expectedAckPayloads) {
    if (Arrays.equals(p.getPayload(),ackData)) {
      MessageProvider msgProv=MessageProvider.get(App.getContext());
      ArrayList<Message> retrievedMessages=msgProv.searchMessages(MessagesTable.COLUMN_ACK_PAYLOAD_ID,String.valueOf(p.getId()));
      if (retrievedMessages.size() == 1) {
        Message originalMessage=retrievedMessages.get(0);
        originalMessage.setStatus(Message.STATUS_ACK_RECEIVED);
        msgProv.updateMessage(originalMessage);
        Log.d(TAG,"String_Node_Str" + "String_Node_Str" + originalMessage.getSubject() + "String_Node_Str"+ "String_Node_Str"+ originalMessage.getToAddress());
        Intent intent=new Intent(UI_NOTIFICATION);
        App.getContext().sendBroadcast(intent);
        QueueRecordProvider queueProv=QueueRecordProvider.get(App.getContext());
        ArrayList<QueueRecord> retrievedRecords=queueProv.searchQueueRecords(QueueRecordsTable.COLUMN_OBJECT_0_ID,String.valueOf(originalMessage.getId()));
        for (        QueueRecord q : retrievedRecords) {
          if (q.getTask().equals(QueueRecordProcessor.TASK_SEND_MESSAGE)) {
            queueProv.deleteQueueRecord(q);
          }
        }
      }
 else {
        Log.d(TAG,"String_Node_Str");
      }
      payProv.deletePayload(p);
      return;
    }
  }
  Log.i(TAG,"String_Node_Str");
}

Fixed version (ground truth):
/** 
 * Takes a msg that we have determined to be an acknowledgement and checks whether it is one which we are awaiting. If so, the status of the corresponding Message is updated. 
 * @param msg - A msg object containing the acknowledgement to be processed
 */
private void processAck(BMObject msg){
  byte[] ackData=msg.getPayload();
  PayloadProvider payProv=PayloadProvider.get(App.getContext());
  String[] columnNames=new String[]{PayloadsTable.COLUMN_ACK,PayloadsTable.COLUMN_BELONGS_TO_ME};
  String[] searchTerms=new String[]{"String_Node_Str","String_Node_Str"};
  ArrayList<Payload> expectedAckPayloads=payProv.searchPayloads(columnNames,searchTerms);
  for (  Payload p : expectedAckPayloads) {
    if (Arrays.equals(p.getPayload(),ackData)) {
      MessageProvider msgProv=MessageProvider.get(App.getContext());
      ArrayList<Message> retrievedMessages=msgProv.searchMessages(MessagesTable.COLUMN_ACK_PAYLOAD_ID,String.valueOf(p.getId()));
      if (retrievedMessages.size() == 1) {
        Message originalMessage=retrievedMessages.get(0);
        originalMessage.setStatus(Message.STATUS_ACK_RECEIVED);
        msgProv.updateMessage(originalMessage);
        Log.d(TAG,"String_Node_Str" + "String_Node_Str" + originalMessage.getSubject() + "String_Node_Str"+ "String_Node_Str"+ originalMessage.getToAddress());
        Intent intent=new Intent(UI_NOTIFICATION);
        App.getContext().sendBroadcast(intent);
        QueueRecordProvider queueProv=QueueRecordProvider.get(App.getContext());
        ArrayList<QueueRecord> retrievedRecords=queueProv.searchQueueRecords(QueueRecordsTable.COLUMN_OBJECT_0_ID,String.valueOf(originalMessage.getId()));
        for (        QueueRecord q : retrievedRecords) {
          if (q.getTask().equals(QueueRecordProcessor.TASK_SEND_MESSAGE) || q.getTask().equals(QueueRecordProcessor.TASK_PROCESS_OUTGOING_MESSAGE) || q.getTask().equals(QueueRecordProcessor.TASK_DISSEMINATE_MESSAGE)) {
            queueProv.deleteQueueRecord(q);
          }
        }
      }
 else {
        Log.d(TAG,"String_Node_Str");
      }
      payProv.deletePayload(p);
      return;
    }
  }
  Log.i(TAG,"String_Node_Str");
}