double waiting_time = simgrid::s4u::Engine::get_clock() - start;
xbt_assert(waiting_time == 0, "Expecting the waiting time to be 0 because the communication was supposedly ready, but got %f instead", waiting_time);
XBT_INFO("I got a '%s'.", received->c_str());
double waiting_time = simgrid::s4u::Engine::get_clock() - start;
xbt_assert(waiting_time == 0, "Expecting the waiting time to be 0 because the communication was supposedly ready, but got %f instead", waiting_time);
XBT_INFO("I got a '%s'.", received->c_str());