anchor.diff:  
       //print(message['responseMessage']);
       counter++;
  +
  +    if(counter % 2000 == 0) {
  +      _writeStats();
  +    }
   
       if(counter == MAX_REQUESTS) {
         kill();
  
positive.code:   int sum;
    int counter;
    DateTime startTime;
    String description = "Test ID ";
  
    Requester(List<String> args, SendPort sendPort):super(args, sendPort) {
      startTime = new DateTime.now();
  
negative.code:   }
  
    Future _writeLog(String data) {
      String workerUuid = id.split('/').last;
      File f = new File("log_$description-simpleAsk-requester-$workerUuid.txt");
      var sink = f.openWrite(mode:FileMode.APPEND);
      sink.write(data);
      return sink.close();
  