XBT_PRIVATE void MC_show_deadlock(void);
XBT_PRIVATE void MC_show_stack_safety(xbt_fifo_t stack);
XBT_PRIVATE void MC_dump_stack_safety(xbt_fifo_t stack);
-XBT_PRIVATE void MC_show_non_termination(void);
/** Stack (of `mc_state_t`) representing the current position of the
* the MC in the exploration graph