if (simcall == nullptr || simcall->call_ == SIMCALL_NONE)
xbt_die("No simcall for process %d.", transition.pid_);
if (not simgrid::mc::request_is_visible(simcall) || not simgrid::mc::actor_is_enabled(process))
if (simcall == nullptr || simcall->call_ == SIMCALL_NONE)
xbt_die("No simcall for process %d.", transition.pid_);
if (not simgrid::mc::request_is_visible(simcall) || not simgrid::mc::actor_is_enabled(process))