static volatile int aaa;

void doWork()
{
  aaa += 100;
  std::this_thread::sleep_for(std::chrono::duration<size_t, std::milli>(14));
  aaa += 10;
}


int main (int argc, char** argv)
{
  volatile int tmp;
  for (size_t i = 0; i < 1000; i++)
  {
    aaa = 1;
    std::thread th(doWork);
    std::this_thread::sleep_for(std::chrono::duration<size_t, std::milli>(14));
    tmp = aaa;
    ++aaa;
    th.join();
    if (112 != aaa)
      printf("\r\niteration %zu: %i; %i", i, tmp, aaa);
  }
  return 0;
}

iteration 26: 101; 102
iteration 98: 101; 102
iteration 262: 101; 102
iteration 308: 101; 102
iteration 347: 101; 102
iteration 435: 101; 102
iteration 462: 101; 111
iteration 570: 101; 111
iteration 760: 101; 102
iteration 782: 101; 102
iteration 821: 101; 102
iteration 856: 101; 111
iteration 875: 101; 111
iteration 885: 101; 102
iteration 940: 101; 111
iteration 967: 101; 111
iteration 989: 101; 102