$ ./pthread-mutex-simple
> [0.000000] [sthread/INFO] Starting the simulation.
-> The first thread is terminating.
+> The thread 0 is terminating.
> All threads are started.
-> The second thread is terminating.
+> The thread 1 is terminating.
> User's main is terminating.
> [0.000000] [sthread/INFO] All threads exited. Terminating the simulation.
\ No newline at end of file