Program: 307
Project: 307
Buggy source:
/** 
 * Processes recorded and pending events. If recordedEvents is not loaded, load it from RecordedEventStore. Processes recorded events for a certain amount of time and only if the timestamp is right.
 */
@Override public void process(){
  if (RecordAndReplayStatus.getCurrentStatus() == RecordAndReplayStatus.REPLAYING && !this.areRecordedEventsLoaded) {
    fillRecordedEvents();
    this.areRecordedEventsLoaded=true;
    logger.info("String_Node_Str");
    replayEventsLoadTime=System.currentTimeMillis();
  }
  if (RecordAndReplayStatus.getCurrentStatus() == RecordAndReplayStatus.REPLAYING) {
    processRecordedEvents(1);
    if (this.recordedEvents.isEmpty()) {
      if (recordAndReplayUtils.getFileCount() <= recordAndReplayUtils.getFileAmount()) {
        String recordingPath=PathManager.getInstance().getRecordingPath(recordAndReplayUtils.getGameTitle()).toString();
        recordAndReplaySerializer.deserializeRecordedEvents(recordingPath);
        fillRecordedEvents();
        this.buffer.append("String_Node_Str");
      }
 else {
        recordedEventStore.popEvents();
        RecordAndReplayStatus.setCurrentStatus(RecordAndReplayStatus.REPLAY_FINISHED);
      }
    }
  }
  PendingEvent event=pendingEvents.poll();
  while (event != null) {
    if (event.getComponent() != null) {
      originalSend(event.getEntity(),event.getEvent(),event.getComponent());
    }
 else {
      originalSend(event.getEntity(),event.getEvent());
    }
    event=pendingEvents.poll();
  }
}

Fixed version (ground truth):
/** 
 * Processes recorded and pending events. If recordedEvents is not loaded, load it from RecordedEventStore. Processes recorded events for a certain amount of time and only if the timestamp is right.
 */
@Override public void process(){
  if (RecordAndReplayStatus.getCurrentStatus() == RecordAndReplayStatus.REPLAYING && !this.areRecordedEventsLoaded) {
    fillRecordedEvents();
    this.areRecordedEventsLoaded=true;
    logger.info("String_Node_Str");
    replayEventsLoadTime=System.currentTimeMillis();
  }
  if (RecordAndReplayStatus.getCurrentStatus() == RecordAndReplayStatus.REPLAYING) {
    processRecordedEvents(1);
    if (this.recordedEvents.isEmpty()) {
      if (recordAndReplayUtils.getFileCount() <= recordAndReplayUtils.getFileAmount()) {
        String recordingPath=PathManager.getInstance().getRecordingPath(recordAndReplayUtils.getGameTitle()).toString();
        recordAndReplaySerializer.deserializeRecordedEvents(recordingPath);
        fillRecordedEvents();
        this.buffer.append("String_Node_Str");
      }
 else {
        recordedEventStore.popEvents();
        RecordAndReplayStatus.setCurrentStatus(RecordAndReplayStatus.REPLAY_FINISHED);
        System.out.println("String_Node_Str" + this.maxTimestampDiff);
        try {
          BufferedWriter writer=new BufferedWriter(new FileWriter(new File("String_Node_Str")));
          writer.write(this.buffer.toString());
          writer.flush();
          writer.close();
        }
 catch (        Exception e) {
          e.printStackTrace();
        }
      }
    }
  }
  PendingEvent event=pendingEvents.poll();
  while (event != null) {
    if (event.getComponent() != null) {
      originalSend(event.getEntity(),event.getEvent(),event.getComponent());
    }
 else {
      originalSend(event.getEntity(),event.getEvent());
    }
    event=pendingEvents.poll();
  }
}