sleep_set_.try_emplace(aid, transition);
if (guide_->actors_to_run_.count(aid) != 0) {
XBT_DEBUG("Actor %ld will not be explored, for it is in the sleep set", aid);
sleep_set_.try_emplace(aid, transition);
if (guide_->actors_to_run_.count(aid) != 0) {
XBT_DEBUG("Actor %ld will not be explored, for it is in the sleep set", aid);