Program: 3089
Project: 3089
Buggy source:
@SuppressWarnings("String_Node_Str") private Vector<ArrayList<Double>> getAccSamples(){
  try {
    if (Mobility.getmAccel() == null || System.currentTimeMillis() - Mobility.getmAccel().getLastTimeStamp() > 10000 + Mobility.sampleRate) {
      Log.v(TAG,"String_Node_Str");
      if (Mobility.failCount++ > 2) {
        if (Mobility.getmAccel() == null)         Mobility.setNotification(this,Mobility.STATUS_ERROR,"String_Node_Str");
 else {
          Log.w(TAG,"String_Node_Str" + (System.currentTimeMillis() - Mobility.getmAccel().getLastTimeStamp()) / 1000 + "String_Node_Str");
          Mobility.setNotification(this,Mobility.STATUS_ERROR,"String_Node_Str");
        }
      }
 else       Mobility.setNotification(this,Mobility.STATUS_PENDING,"String_Node_Str");
      return null;
    }
    Mobility.failCount=0;
    ArrayList<Double> force=new ArrayList<Double>();
    Log.i(TAG,(System.currentTimeMillis() - Mobility.getmAccel().getLastTimeStamp()) / 1000 + "String_Node_Str");
    Vector<ArrayList<Double>> curList=new Vector<ArrayList<Double>>();
    curList.add((ArrayList<Double>)Mobility.getmAccel().getLastXValues());
    curList.add((ArrayList<Double>)Mobility.getmAccel().getLastYValues());
    curList.add((ArrayList<Double>)Mobility.getmAccel().getLastZValues());
    curList.add((ArrayList<Double>)Mobility.getmAccel().getLastForce());
    if (curList.get(0) != null) {
      return curList;
    }
 else     Log.w(TAG,"String_Node_Str");
  }
 catch (  RemoteException re) {
    Log.e(TAG,"String_Node_Str",re);
  }
  return null;
}

Fixed version (ground truth):
@SuppressWarnings("String_Node_Str") private Vector<ArrayList<Double>> getAccSamples(){
  try {
    if (Mobility.getmAccel() == null || System.currentTimeMillis() - Mobility.getmAccel().getLastTimeStamp() > 10000 + Mobility.sampleRate) {
      Log.v(TAG,"String_Node_Str");
      if (Mobility.failCount++ > 2) {
        if (Mobility.getmAccel() == null)         Mobility.setNotification(this,Mobility.STATUS_ERROR,"String_Node_Str");
 else {
          Log.w(TAG,"String_Node_Str" + (System.currentTimeMillis() - Mobility.getmAccel().getLastTimeStamp()) / 1000 + "String_Node_Str");
          Mobility.setNotification(this,Mobility.STATUS_ERROR,"String_Node_Str");
        }
      }
 else       Mobility.setNotification(this,Mobility.STATUS_PENDING,"String_Node_Str");
      return null;
    }
    Mobility.failCount=0;
    NotificationManager nm=(NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
    nm.cancel(Mobility.NOTIF_ERROR_ID);
    ArrayList<Double> force=new ArrayList<Double>();
    Log.i(TAG,(System.currentTimeMillis() - Mobility.getmAccel().getLastTimeStamp()) / 1000 + "String_Node_Str");
    Vector<ArrayList<Double>> curList=new Vector<ArrayList<Double>>();
    curList.add((ArrayList<Double>)Mobility.getmAccel().getLastXValues());
    curList.add((ArrayList<Double>)Mobility.getmAccel().getLastYValues());
    curList.add((ArrayList<Double>)Mobility.getmAccel().getLastZValues());
    curList.add((ArrayList<Double>)Mobility.getmAccel().getLastForce());
    if (curList.get(0) != null) {
      return curList;
    }
 else     Log.w(TAG,"String_Node_Str");
  }
 catch (  RemoteException re) {
    Log.e(TAG,"String_Node_Str",re);
  }
  return null;
}