@Override
  public int getNext(int index, int no) {
    if (offset == 0) {
      switch (no) {
        case 0: return getProcBegin() - 5; // call normal
        case 1: return getProcBegin() - 3; // call return
        case 2: return getProcBegin() - 1; // call throw
        default:
          LOG.assertTrue (false);
          return -1;
      }
    }
    if (no == 0) {
      return offset; // call normal
    }
    LOG.assertTrue(false);
    return -1;
  }
@Override
  public int getNext(int index, int no)