anchor.diff:    }
   
     Future _writeLog(String data) {
  -    File f = new File("log_simpleAsk.txt");
  +    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();
  
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: 
      //print(message['responseMessage']);
      counter++;
  
      if(counter % 2000 == 0) {
        _writeStats();
      }
  
      if(counter == MAX_REQUESTS) {
        kill();
  