+/********************************** DFS **************************************/
+
+typedef struct s_mc_pairs{
+ mc_snapshot_t system_state;
+ mc_state_t graph_state;
+ xbt_state_t automaton_state;
+ int num;
+}s_mc_pairs_t, *mc_pairs_t;
+
+typedef struct s_mc_visited_pairs{
+ mc_state_t graph_state;
+ xbt_state_t automaton_state;
+ int search_cycle;
+}s_mc_visited_pairs_t, *mc_visited_pairs_t;
+
+typedef struct s_mc_reached_pairs{
+ mc_state_t graph_state;
+ xbt_state_t automaton_state;
+}s_mc_reached_pairs_t, *mc_reached_pairs_t;
+
+extern xbt_fifo_t mc_snapshot_stack;
+
+void MC_dfs_init(xbt_automaton_t a);
+void MC_dfs(xbt_automaton_t automaton, int search_cycle, int restore);
+int MC_automaton_evaluate_label(xbt_automaton_t a, xbt_exp_label_t l);
+mc_pairs_t new_pair(mc_snapshot_t sn, mc_state_t sg, xbt_state_t st);
+void set_pair_visited(mc_state_t gs, xbt_state_t as, int search_cycle);
+int visited(mc_state_t gs, xbt_state_t as, int search_cycle);
+int reached(mc_state_t gs, xbt_state_t as);
+void set_pair_reached(mc_state_t gs, xbt_state_t as);
+void MC_show_snapshot_stack(xbt_fifo_t stack);
+void MC_dump_snapshot_stack(xbt_fifo_t stack);
+void MC_pair_delete(mc_pairs_t pair);
+void MC_exit_with_automaton(void);
+mc_state_t MC_state_pair_new(void);
+
+/********************************** Stateful DPOR **************************************/
+
+void MC_stateful_dpor(xbt_automaton_t a, int search_cycle, int restore);
+void MC_stateful_dpor_init(xbt_automaton_t a);