Program: 31999
Project: 31999
Buggy source:
@Override public void onSuccess(SyncResponse syncResponse){
  if (!mKilling) {
    if (0 == fServerTimeout) {
      if (hasDevicesChanged(syncResponse)) {
        mNextServerTimeoutms=0;
      }
    }
    if (mIsCatchingUp && (0 != mNextServerTimeoutms)) {
      int eventCounts=0;
      if (null != syncResponse.rooms) {
        RoomsSyncResponse roomsSyncResponse=syncResponse.rooms;
        if (null != roomsSyncResponse.join) {
          eventCounts+=roomsSyncResponse.join.size();
        }
        if (null != roomsSyncResponse.invite) {
          eventCounts+=roomsSyncResponse.invite.size();
        }
      }
      Log.d(LOG_TAG,"String_Node_Str" + eventCounts + "String_Node_Str");
      if (!mGotFirstCatchupChunk) {
        mGotFirstCatchupChunk=(0 != eventCounts);
        if (mGotFirstCatchupChunk) {
          Log.e(LOG_TAG,"String_Node_Str");
          mCatchupSyncRequestsCount=0;
        }
 else {
          Log.e(LOG_TAG,"String_Node_Str");
        }
        mNextServerTimeoutms=mDefaultServerTimeoutms / 10;
      }
 else {
        mCatchupSyncRequestsCount++;
        if ((0 == eventCounts) || (mCatchupSyncRequestsCount > 3)) {
          if (0 == eventCounts) {
            Log.e(LOG_TAG,"String_Node_Str" + mCatchupSyncRequestsCount + "String_Node_Str");
          }
 else {
            Log.e(LOG_TAG,"String_Node_Str");
          }
          mIsCatchingUp=false;
          mPaused=true;
        }
 else {
          Log.e(LOG_TAG,"String_Node_Str");
          mNextServerTimeoutms=mDefaultServerTimeoutms / 10;
        }
      }
    }
    Log.d(LOG_TAG,"String_Node_Str");
    mListener.onSyncResponse(syncResponse,mCurrentToken,(0 == mNextServerTimeoutms));
    mCurrentToken=syncResponse.nextBatch;
    Log.d(LOG_TAG,"String_Node_Str" + mCurrentToken);
  }
  latch.countDown();
}

Fixed version (ground truth):
@Override public void onSuccess(SyncResponse syncResponse){
  if (!mKilling) {
    if (0 == fServerTimeout) {
      if (hasDevicesChanged(syncResponse)) {
        mNextServerTimeoutms=0;
      }
    }
    if (mIsCatchingUp && (0 != mNextServerTimeoutms)) {
      int eventCounts=0;
      if (null != syncResponse.rooms) {
        RoomsSyncResponse roomsSyncResponse=syncResponse.rooms;
        if (null != roomsSyncResponse.join) {
          eventCounts+=roomsSyncResponse.join.size();
        }
        if (null != roomsSyncResponse.invite) {
          eventCounts+=roomsSyncResponse.invite.size();
        }
      }
      Log.d(LOG_TAG,"String_Node_Str" + eventCounts + "String_Node_Str");
      if (!mGotFirstCatchupChunk) {
        mGotFirstCatchupChunk=(0 != eventCounts);
        if (mGotFirstCatchupChunk) {
          Log.e(LOG_TAG,"String_Node_Str");
          mCatchupSyncRequestsCount=0;
        }
 else {
          Log.e(LOG_TAG,"String_Node_Str");
        }
        mNextServerTimeoutms=mDefaultServerTimeoutms / 10;
      }
 else {
        mCatchupSyncRequestsCount++;
        if ((0 == eventCounts) || (mCatchupSyncRequestsCount > 3)) {
          if (0 == eventCounts) {
            Log.e(LOG_TAG,"String_Node_Str" + mCatchupSyncRequestsCount + "String_Node_Str");
          }
 else {
            Log.e(LOG_TAG,"String_Node_Str");
          }
          mIsCatchingUp=false;
          mPaused=(0 == mRequestDelayMs);
        }
 else {
          Log.e(LOG_TAG,"String_Node_Str");
          mNextServerTimeoutms=mDefaultServerTimeoutms / 10;
        }
      }
    }
    Log.d(LOG_TAG,"String_Node_Str");
    mListener.onSyncResponse(syncResponse,mCurrentToken,(0 == mNextServerTimeoutms));
    mCurrentToken=syncResponse.nextBatch;
    Log.d(LOG_TAG,"String_Node_Str" + mCurrentToken);
  }
  latch.countDown();
}