-void MC_vddfs_with_restore_snapshot_init(xbt_automaton_t a);
-void MC_vddfs_with_restore_snapshot(xbt_automaton_t automaton, int search_cycle, int restore);
-void set_pair_visited(mc_pair_t p, int search_cycle);
-int visited(mc_pair_t p, int search_cycle);
+mc_pair_stateless_t new_pair_stateless(mc_state_t sg, xbt_state_t st);
+void MC_ddfs_stateless_init(xbt_automaton_t a);
+void MC_ddfs_stateless(xbt_automaton_t a, int search_cycle, int replay);
+void MC_show_stack_liveness_stateless(xbt_fifo_t stack);
+void MC_dump_stack_liveness_stateless(xbt_fifo_t stack);
+void MC_pair_stateless_delete(mc_pair_stateless_t pair);