X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/1f3dc5fab0ccdb98c1c77fdb2f96f662ea3e45a2..6229ff3a39c8fb195846ea9eb67cf071654de597:/src/mc/mc_liveness.c diff --git a/src/mc/mc_liveness.c b/src/mc/mc_liveness.c index d6ff58b114..65f81501f4 100644 --- a/src/mc/mc_liveness.c +++ b/src/mc/mc_liveness.c @@ -4,53 +4,275 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_liveness, mc, "Logging specific to algorithms for liveness properties verification"); -xbt_dynar_t initial_pairs = NULL; -int max_pair = 0; -xbt_dynar_t reached_pairs; -extern mc_snapshot_t initial_snapshot; - -mc_pair_t new_pair(mc_snapshot_t sn, mc_state_t sg, xbt_state_t st){ - mc_pair_t p = NULL; - p = xbt_new0(s_mc_pair_t, 1); - p->system_state = sn; - p->automaton_state = st; - p->graph_state = sg; - p->num = max_pair; - max_pair++; - mc_stats_pair->expanded_pairs++; - return p; - -} +xbt_fifo_t reached_pairs; +xbt_fifo_t visited_pairs; +xbt_dynar_t successors = NULL; -int reached(mc_pair_t pair){ +//mc_snapshot_t snapshot; - char* hash_reached = malloc(sizeof(char)*160); - unsigned int c= 0; +int snapshot_compare(mc_snapshot_t s1, mc_snapshot_t s2){ - MC_SET_RAW_MEM; - char *hash = malloc(sizeof(char)*160); - xbt_sha((char *)&pair, hash); - xbt_dynar_foreach(reached_pairs, c, hash_reached){ - if(strcmp(hash, hash_reached) == 0){ - MC_UNSET_RAW_MEM; + //XBT_DEBUG("Compare snapshot"); + + if(s1->num_reg != s2->num_reg){ + XBT_DEBUG("Different num_reg (s1 = %d, s2 = %d)", s1->num_reg, s2->num_reg); + return 1; + } + + //XBT_DEBUG("Num reg : %d", s1->num_reg); + + int i; + int errors = 0; + + for(i=0 ; i< s1->num_reg ; i++){ + + if(s1->regions[i]->type != s2->regions[i]->type){ + //XBT_DEBUG("Different type of region"); + return 1; + } + + switch(s1->regions[i]->type){ + case 0: + //XBT_DEBUG("Region : heap"); + if(s1->regions[i]->size != s2->regions[i]->size){ + //XBT_DEBUG("Different size of heap (s1 = %Zu, s2 = %Zu)", s1->regions[i]->size, s2->regions[i]->size); + return 1; + } + if(s1->regions[i]->start_addr != s2->regions[i]->start_addr){ + //XBT_DEBUG("Different start addr of heap (s1 = %p, s2 = %p)", s1->regions[i]->start_addr, s2->regions[i]->start_addr); + return 1; + } + if(mmalloc_compare_heap(s1->regions[i]->start_addr, s2->regions[i]->start_addr)){ + //XBT_DEBUG("Different heap (mmalloc_compare)"); + errors++; + } + break; + case 1 : + //XBT_DEBUG("Region : libsimgrid"); + if(s1->regions[i]->size != s2->regions[i]->size){ + //XBT_DEBUG("Different size of libsimgrid (s1 = %Zu, s2 = %Zu)", s1->regions[i]->size, s2->regions[i]->size); + return 1; + } + if(s1->regions[i]->start_addr != s2->regions[i]->start_addr){ + //XBT_DEBUG("Different start addr of libsimgrid (s1 = %p, s2 = %p)", s1->regions[i]->start_addr, s2->regions[i]->start_addr); return 1; + } + if(memcmp(s1->regions[i]->data, s2->regions[i]->data, s1->regions[i]->size) != 0){ + //XBT_DEBUG("Different memcmp for data in libsimgrid"); + errors++; + } + break; + case 2: + //XBT_DEBUG("Region : program"); + if(s1->regions[i]->size != s2->regions[i]->size){ + //XBT_DEBUG("Different size of program (s1 = %Zu, s2 = %Zu)", s1->regions[i]->size, s2->regions[i]->size); + return 1; + } + if(s1->regions[i]->start_addr != s2->regions[i]->start_addr){ + //XBT_DEBUG("Different start addr of program (s1 = %p, s2 = %p)", s1->regions[i]->start_addr, s2->regions[i]->start_addr); + return 1; + } + if(memcmp(s1->regions[i]->data, s2->regions[i]->data, s1->regions[i]->size) != 0){ + //XBT_DEBUG("Different memcmp for data in program"); + errors++; + } + break; + case 3: + //XBT_DEBUG("Region : stack"); + if(s1->regions[i]->size != s2->regions[i]->size){ + //XBT_DEBUG("Different size of stack (s1 = %Zu, s2 = %Zu)", s1->regions[i]->size, s2->regions[i]->size); + return 1; + } + if(s1->regions[i]->start_addr != s2->regions[i]->start_addr){ + //XBT_DEBUG("Different start addr of stack (s1 = %p, s2 = %p)", s1->regions[i]->start_addr, s2->regions[i]->start_addr); + return 1; + } + if(memcmp(s1->regions[i]->data, s2->regions[i]->data, s1->regions[i]->size) != 0){ + //XBT_DEBUG("Different memcmp for data in stack"); + errors++; + } + break; + } + } + + return (errors>0); + +} + +int reached(xbt_automaton_t a, xbt_state_t st, char *prgm){ + + + if(xbt_fifo_size(reached_pairs) == 0){ + + return 0; + + }else{ + + xbt_dynar_t prop_ato = xbt_dynar_new(sizeof(int), NULL); + + /* Get values of propositional symbols */ + unsigned int cursor = 0; + xbt_propositional_symbol_t ps = NULL; + xbt_dynar_foreach(a->propositional_symbols, cursor, ps){ + int (*f)() = ps->function; + int res = (*f)(); + xbt_dynar_push_as(prop_ato, int, res); + } + + MC_SET_RAW_MEM; + mc_snapshot_t sn = xbt_new0(s_mc_snapshot_t, 1); + MC_take_snapshot_liveness(sn, prgm); + MC_UNSET_RAW_MEM; + + int i=0; + xbt_fifo_item_t item = xbt_fifo_get_first_item(reached_pairs); + mc_pair_reached_t pair_test = NULL; + + while(i < xbt_fifo_size(reached_pairs)){ + + pair_test = (mc_pair_reached_t) xbt_fifo_get_item_content(item); + + if(automaton_state_compare(pair_test->automaton_state, st) == 0){ + if(propositional_symbols_compare_value(pair_test->prop_ato, prop_ato) == 0){ + if(snapshot_compare(sn, pair_test->system_state) == 0){ + MC_SET_RAW_MEM; + MC_free_snapshot(sn); + MC_UNSET_RAW_MEM; + return 1; + } + } + } + + item = xbt_fifo_get_next_item(item); + + i++; + } + + MC_SET_RAW_MEM; + MC_free_snapshot(sn); + MC_UNSET_RAW_MEM; + return 0; + + } +} + +void set_pair_reached(xbt_automaton_t a, xbt_state_t st, char *prgm){ + + + MC_SET_RAW_MEM; + + mc_pair_reached_t pair = NULL; + pair = xbt_new0(s_mc_pair_reached_t, 1); + pair->automaton_state = st; + pair->prop_ato = xbt_dynar_new(sizeof(int), NULL); + pair->system_state = xbt_new0(s_mc_snapshot_t, 1); + MC_take_snapshot_liveness(pair->system_state, prgm); + + /* Get values of propositional symbols */ + unsigned int cursor = 0; + xbt_propositional_symbol_t ps = NULL; + xbt_dynar_foreach(a->propositional_symbols, cursor, ps){ + int (*f)() = ps->function; + int res = (*f)(); + xbt_dynar_push_as(pair->prop_ato, int, res); } + xbt_fifo_unshift(reached_pairs, pair); + MC_UNSET_RAW_MEM; - return 0; + + } -void set_pair_reached(mc_pair_t pair){ +int visited(xbt_automaton_t a, xbt_state_t st, int sc, char *prgm){ + + + if(xbt_fifo_size(visited_pairs) == 0){ + + return 0; + + }else{ + + xbt_dynar_t prop_ato = xbt_dynar_new(sizeof(int), NULL); + + /* Get values of propositional symbols */ + unsigned int cursor = 0; + xbt_propositional_symbol_t ps = NULL; + xbt_dynar_foreach(a->propositional_symbols, cursor, ps){ + int (*f)() = ps->function; + int res = (*f)(); + xbt_dynar_push_as(prop_ato, int, res); + } + + MC_SET_RAW_MEM; + mc_snapshot_t sn = xbt_new0(s_mc_snapshot_t, 1); + MC_take_snapshot_liveness(sn, prgm); + MC_UNSET_RAW_MEM; + + + int i=0; + xbt_fifo_item_t item = xbt_fifo_get_first_item(visited_pairs); + mc_pair_visited_t pair_test = NULL; + + while(i < xbt_fifo_size(visited_pairs)){ + + pair_test = (mc_pair_visited_t) xbt_fifo_get_item_content(item); + + if(pair_test->search_cycle == sc) { + if(automaton_state_compare(pair_test->automaton_state, st) == 0){ + if(propositional_symbols_compare_value(pair_test->prop_ato, prop_ato) == 0){ + if(snapshot_compare(sn, pair_test->system_state) == 0){ + MC_SET_RAW_MEM; + MC_free_snapshot(sn); + MC_UNSET_RAW_MEM; + return 1; + } + } + } + } + + item = xbt_fifo_get_next_item(item); + + i++; + + } - if(reached(pair) == 0){ MC_SET_RAW_MEM; - char *hash = malloc(sizeof(char)*160) ; - xbt_sha((char *)&pair, hash); - xbt_dynar_push(reached_pairs, &hash); + MC_free_snapshot(sn); MC_UNSET_RAW_MEM; + return 0; + } +} +void set_pair_visited(xbt_automaton_t a, xbt_state_t st, int sc, char *prgm){ + + + MC_SET_RAW_MEM; + + mc_pair_visited_t pair = NULL; + pair = xbt_new0(s_mc_pair_visited_t, 1); + pair->automaton_state = st; + pair->prop_ato = xbt_dynar_new(sizeof(int), NULL); + pair->system_state = xbt_new0(s_mc_snapshot_t, 1); + MC_take_snapshot_liveness(pair->system_state, prgm); + pair->search_cycle = sc; + + /* Get values of propositional symbols */ + unsigned int cursor = 0; + xbt_propositional_symbol_t ps = NULL; + xbt_dynar_foreach(a->propositional_symbols, cursor, ps){ + int (*f)() = ps->function; + int res = (*f)(); + xbt_dynar_push_as(pair->prop_ato, int, res); + } + + xbt_fifo_unshift(visited_pairs, pair); + + MC_UNSET_RAW_MEM; + + } void MC_pair_delete(mc_pair_t pair){ @@ -61,6 +283,7 @@ void MC_pair_delete(mc_pair_t pair){ } + int MC_automaton_evaluate_label(xbt_automaton_t a, xbt_exp_label_t l){ switch(l->type){ @@ -104,66 +327,41 @@ int MC_automaton_evaluate_label(xbt_automaton_t a, xbt_exp_label_t l){ -/******************************* DFS with visited state *******************************/ -xbt_dynar_t visited_pairs; -void set_pair_visited(mc_pair_t pair, int sc){ - - MC_SET_RAW_MEM; - mc_visited_pair_t p = NULL; - p = xbt_new0(s_mc_visited_pair_t, 1); - p->pair = pair; - p->search_cycle = sc; - char *hash = malloc(sizeof(char)*160); - xbt_sha((char *)&p, hash); - xbt_dynar_push(visited_pairs, &hash); - MC_UNSET_RAW_MEM; +/********************* Double-DFS stateless *******************/ +void MC_pair_stateless_delete(mc_pair_stateless_t pair){ + xbt_free(pair->graph_state->proc_status); + xbt_free(pair->graph_state); + //xbt_free(pair->automaton_state); -> FIXME : à implémenter + xbt_free(pair); } -int visited(mc_pair_t pair, int sc){ - - char* hash_visited = malloc(sizeof(char)*160); - unsigned int c= 0; - - MC_SET_RAW_MEM; - mc_visited_pair_t p = NULL; - p = xbt_new0(s_mc_visited_pair_t, 1); - p->pair = pair; - p->search_cycle = sc; - char *hash = malloc(sizeof(char)*160); - xbt_sha((char *)&p, hash); - xbt_dynar_foreach(visited_pairs, c, hash_visited){ - if(strcmp(hash, hash_visited) == 0){ - MC_UNSET_RAW_MEM; - return 1; - } - } - - MC_UNSET_RAW_MEM; - return 0; - +mc_pair_stateless_t new_pair_stateless(mc_state_t sg, xbt_state_t st, int r){ + mc_pair_stateless_t p = NULL; + p = xbt_new0(s_mc_pair_stateless_t, 1); + p->automaton_state = st; + p->graph_state = sg; + p->requests = r; + mc_stats_pair->expanded_pairs++; + return p; } - -void MC_vddfs_stateful_init(xbt_automaton_t a){ +void MC_ddfs_stateless_init(xbt_automaton_t a, char *prgm){ XBT_DEBUG("**************************************************"); - XBT_DEBUG("Double-DFS stateful with visited state init"); + XBT_DEBUG("Double-DFS stateless init"); XBT_DEBUG("**************************************************"); - mc_pair_t mc_initial_pair; - mc_state_t initial_graph_state; + mc_pair_stateless_t mc_initial_pair = NULL; + mc_state_t initial_graph_state = NULL; smx_process_t process; - mc_snapshot_t init_snapshot; MC_wait_for_requests(); MC_SET_RAW_MEM; - init_snapshot = xbt_new0(s_mc_snapshot_t, 1); - initial_graph_state = MC_state_pair_new(); xbt_swag_foreach(process, simix_global->process_list){ if(MC_process_is_enabled(process)){ @@ -171,70 +369,71 @@ void MC_vddfs_stateful_init(xbt_automaton_t a){ } } - visited_pairs = xbt_dynar_new(sizeof(char *), NULL); - reached_pairs = xbt_dynar_new(sizeof(char *), NULL); + reached_pairs = xbt_fifo_new(); + visited_pairs = xbt_fifo_new(); + successors = xbt_dynar_new(sizeof(mc_pair_stateless_t), NULL); - MC_take_snapshot(init_snapshot); + /* Save the initial state */ + initial_snapshot_liveness = xbt_new0(s_mc_snapshot_t, 1); + MC_take_snapshot_liveness(initial_snapshot_liveness, prgm); MC_UNSET_RAW_MEM; unsigned int cursor = 0; - xbt_state_t state = NULL; + xbt_state_t state; xbt_dynar_foreach(a->states, cursor, state){ if(state->type == -1){ - + MC_SET_RAW_MEM; - mc_initial_pair = new_pair(init_snapshot, initial_graph_state, state); - xbt_fifo_unshift(mc_stack_liveness_stateful, mc_initial_pair); + mc_initial_pair = new_pair_stateless(initial_graph_state, state, MC_state_interleave_size(initial_graph_state)); + xbt_fifo_unshift(mc_stack_liveness_stateless, mc_initial_pair); MC_UNSET_RAW_MEM; - - if(cursor == 0){ - MC_vddfs_stateful(a, 0, 0); - }else{ - MC_restore_snapshot(init_snapshot); + + if(cursor != 0){ + MC_restore_snapshot(initial_snapshot_liveness); MC_UNSET_RAW_MEM; - MC_vddfs_stateful(a, 0, 0); } + + MC_ddfs_stateless(a, 0, 0, prgm); + }else{ - if(state->type == 2){ - - MC_SET_RAW_MEM; - mc_initial_pair = new_pair(init_snapshot, initial_graph_state, state); - xbt_fifo_unshift(mc_stack_liveness_stateful, mc_initial_pair); - MC_UNSET_RAW_MEM; - - if(cursor == 0){ - MC_vddfs_stateful(a, 1, 0); - }else{ - MC_restore_snapshot(init_snapshot); - MC_UNSET_RAW_MEM; - MC_vddfs_stateful(a, 1, 0); - } - } + if(state->type == 2){ + + MC_SET_RAW_MEM; + mc_initial_pair = new_pair_stateless(initial_graph_state, state, MC_state_interleave_size(initial_graph_state)); + xbt_fifo_unshift(mc_stack_liveness_stateless, mc_initial_pair); + MC_UNSET_RAW_MEM; + + set_pair_reached(a, state, prgm); + + if(cursor != 0){ + MC_restore_snapshot(initial_snapshot_liveness); + MC_UNSET_RAW_MEM; + } + + MC_ddfs_stateless(a, 1, 0, prgm); + + } } } + } -void MC_vddfs_stateful(xbt_automaton_t a, int search_cycle, int restore){ +void MC_ddfs_stateless(xbt_automaton_t a, int search_cycle, int replay, char *prgm){ - smx_process_t process = NULL; + smx_process_t process; + mc_pair_stateless_t current_pair = NULL; + //mc_snapshot_t current_snapshot = NULL; - if(xbt_fifo_size(mc_stack_liveness_stateful) == 0) + if(xbt_fifo_size(mc_stack_liveness_stateless) == 0) return; - if(restore == 1){ - MC_restore_snapshot(((mc_pair_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness_stateful)))->system_state); - MC_UNSET_RAW_MEM; - } - - - /* Get current state */ - mc_pair_t current_pair = (mc_pair_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness_stateful)); - - if(restore==1){ + if(replay == 1){ + MC_replay_liveness(mc_stack_liveness_stateless, 0); + current_pair = (mc_pair_stateless_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness_stateless)); xbt_swag_foreach(process, simix_global->process_list){ if(MC_process_is_enabled(process)){ MC_state_interleave_process(current_pair->graph_state, process); @@ -242,842 +441,299 @@ void MC_vddfs_stateful(xbt_automaton_t a, int search_cycle, int restore){ } } - XBT_DEBUG("********************* ( Depth = %d, search_cycle = %d )", xbt_fifo_size(mc_stack_liveness_stateful), search_cycle); - XBT_DEBUG("Pair : graph=%p, automaton=%p(%s), %u interleave", current_pair->graph_state, current_pair->automaton_state, current_pair->automaton_state->id,MC_state_interleave_size(current_pair->graph_state)); - + /* Get current pair */ + current_pair = (mc_pair_stateless_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness_stateless)); + /* Update current state in buchi automaton */ + a->current_state = current_pair->automaton_state; + + + XBT_DEBUG("********************* ( Depth = %d, search_cycle = %d )", xbt_fifo_size(mc_stack_liveness_stateless), search_cycle); + XBT_DEBUG("Pair : graph=%p, automaton=%p(%s), %u interleave", current_pair->graph_state, current_pair->automaton_state, current_pair->automaton_state->id, MC_state_interleave_size(current_pair->graph_state)); + mc_stats_pair->visited_pairs++; + //sleep(1); + int value; mc_state_t next_graph_state = NULL; smx_req_t req = NULL; char *req_str; - mc_pair_t pair_succ; xbt_transition_t transition_succ; - unsigned int cursor; + unsigned int cursor = 0; int res; - xbt_dynar_t successors = xbt_dynar_new(sizeof(mc_pair_t), NULL); + mc_pair_stateless_t next_pair = NULL; + mc_pair_stateless_t pair_succ; - mc_pair_t next_pair; - mc_snapshot_t next_snapshot; - mc_snapshot_t current_snapshot; - - - while((req = MC_state_get_request(current_pair->graph_state, &value)) != NULL){ + if(xbt_fifo_size(mc_stack_liveness_stateless) < MAX_DEPTH_LIVENESS){ - MC_SET_RAW_MEM; - current_snapshot = xbt_new0(s_mc_snapshot_t, 1); - MC_take_snapshot(current_snapshot); - MC_UNSET_RAW_MEM; + set_pair_visited(a, current_pair->automaton_state, search_cycle, prgm); + + if(current_pair->requests > 0){ + + while((req = MC_state_get_request(current_pair->graph_state, &value)) != NULL){ - - /* Debug information */ - if(XBT_LOG_ISENABLED(mc_liveness, xbt_log_priority_debug)){ - req_str = MC_request_to_string(req, value); - XBT_DEBUG("Execute: %s", req_str); - xbt_free(req_str); - } + /* Debug information */ + if(XBT_LOG_ISENABLED(mc_liveness, xbt_log_priority_debug)){ + req_str = MC_request_to_string(req, value); + XBT_DEBUG("Execute: %s", req_str); + xbt_free(req_str); + } - MC_state_set_executed_request(current_pair->graph_state, req, value); + MC_state_set_executed_request(current_pair->graph_state, req, value); + + /* Answer the request */ + SIMIX_request_pre(req, value); - /* Answer the request */ - SIMIX_request_pre(req, value); + /* Wait for requests (schedules processes) */ + MC_wait_for_requests(); - /* Wait for requests (schedules processes) */ - MC_wait_for_requests(); + MC_SET_RAW_MEM; - /* Create the new expanded graph_state */ - MC_SET_RAW_MEM; + /* Create the new expanded graph_state */ + next_graph_state = MC_state_pair_new(); - next_graph_state = MC_state_pair_new(); - - /* Get enabled process and insert it in the interleave set of the next graph_state */ - xbt_swag_foreach(process, simix_global->process_list){ - if(MC_process_is_enabled(process)){ - MC_state_interleave_process(next_graph_state, process); - } - } + /* Get enabled process and insert it in the interleave set of the next graph_state */ + xbt_swag_foreach(process, simix_global->process_list){ + if(MC_process_is_enabled(process)){ + MC_state_interleave_process(next_graph_state, process); + } + } - next_snapshot = xbt_new0(s_mc_snapshot_t, 1); - MC_take_snapshot(next_snapshot); - - MC_UNSET_RAW_MEM; + xbt_dynar_reset(successors); - xbt_dynar_reset(successors); - - cursor = 0; - xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){ + MC_UNSET_RAW_MEM; - res = MC_automaton_evaluate_label(a, transition_succ->label); - MC_SET_RAW_MEM; - - if(res == 1){ - next_pair = new_pair(next_snapshot,next_graph_state, transition_succ->dst); - xbt_dynar_push(successors, &next_pair); - } + cursor= 0; + xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){ - MC_UNSET_RAW_MEM; - } + res = MC_automaton_evaluate_label(a, transition_succ->label); - cursor = 0; - xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){ + if(res == 1){ // enabled transition in automaton + MC_SET_RAW_MEM; + next_pair = new_pair_stateless(next_graph_state, transition_succ->dst, MC_state_interleave_size(next_graph_state)); + xbt_dynar_push(successors, &next_pair); + MC_UNSET_RAW_MEM; + } - res = MC_automaton_evaluate_label(a, transition_succ->label); + } - MC_SET_RAW_MEM; + cursor = 0; + + xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){ + + res = MC_automaton_evaluate_label(a, transition_succ->label); - if(res == 2){ - next_pair = new_pair(next_snapshot,next_graph_state, transition_succ->dst); - xbt_dynar_push(successors, &next_pair); - } + if(res == 2){ // true transition in automaton + MC_SET_RAW_MEM; + next_pair = new_pair_stateless(next_graph_state, transition_succ->dst, MC_state_interleave_size(next_graph_state)); + xbt_dynar_push(successors, &next_pair); + MC_UNSET_RAW_MEM; + } - MC_UNSET_RAW_MEM; - } + } + cursor = 0; + + xbt_dynar_foreach(successors, cursor, pair_succ){ - - if(xbt_dynar_length(successors) == 0){ + if(!visited(a, pair_succ->automaton_state, search_cycle, prgm)){ - MC_SET_RAW_MEM; - next_pair = new_pair(next_snapshot, next_graph_state, current_pair->automaton_state); - xbt_dynar_push(successors, &next_pair); - MC_UNSET_RAW_MEM; - - } + if(search_cycle == 1){ + if((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2)){ + + if(reached(a, pair_succ->automaton_state, prgm) == 1){ - //XBT_DEBUG("Successors length %lu", xbt_dynar_length(successors)); + XBT_DEBUG("Next pair (depth = %d, %d interleave) already reached !", xbt_fifo_size(mc_stack_liveness_stateless) + 1, MC_state_interleave_size(pair_succ->graph_state)); - cursor = 0; - xbt_dynar_foreach(successors, cursor, pair_succ){ + XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*"); + XBT_INFO("| ACCEPTANCE CYCLE |"); + XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*"); + XBT_INFO("Counter-example that violates formula :"); + MC_show_stack_liveness_stateless(mc_stack_liveness_stateless); + MC_dump_stack_liveness_stateless(mc_stack_liveness_stateless); + MC_print_statistics_pairs(mc_stats_pair); + exit(0); - //XBT_DEBUG("Search visited pair : graph=%p, automaton=%p", pair_succ->graph_state, pair_succ->automaton_state); + }else{ - if((search_cycle == 1) && (reached(pair_succ) == 1)){ - XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*"); - XBT_INFO("| ACCEPTANCE CYCLE |"); - XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*"); - XBT_INFO("Counter-example that violates formula :"); - MC_show_stack_liveness_stateful(mc_stack_liveness_stateful); - MC_dump_stack_liveness_stateful(mc_stack_liveness_stateful); - MC_print_statistics_pairs(mc_stats_pair); - exit(0); - } - - if(visited(pair_succ, search_cycle) == 0){ + XBT_DEBUG("Next pair (depth =%d) -> Acceptance pair : graph=%p, automaton=%p(%s)", xbt_fifo_size(mc_stack_liveness_stateless) + 1, pair_succ->graph_state, pair_succ->automaton_state, pair_succ->automaton_state->id); + + set_pair_reached(a, pair_succ->automaton_state, prgm); - mc_stats_pair->executed_transitions++; - - MC_SET_RAW_MEM; - xbt_fifo_unshift(mc_stack_liveness_stateful, pair_succ); - set_pair_visited(pair_succ, search_cycle); - //XBT_DEBUG("New pair (graph=%p, automaton=%p) in stack", pair_succ->graph_state, pair_succ->automaton_state); - MC_UNSET_RAW_MEM; + } - MC_vddfs_stateful(a, search_cycle, 0); + } - //XBT_DEBUG("Pair (graph=%p, automaton=%p) expanded", pair_succ->graph_state, pair_succ->automaton_state); + }else{ + + if(((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2))){ - if((search_cycle == 0) && ((current_pair->automaton_state->type == 1) || (current_pair->automaton_state->type == 2))){ + XBT_DEBUG("Next pair (depth =%d) -> Acceptance pair : graph=%p, automaton=%p(%s)", xbt_fifo_size(mc_stack_liveness_stateless) + 1, pair_succ->graph_state, pair_succ->automaton_state, pair_succ->automaton_state->id); + + set_pair_reached(a, pair_succ->automaton_state, prgm); + + search_cycle = 1; + + } - MC_restore_snapshot(current_pair->system_state); - MC_UNSET_RAW_MEM; - - xbt_swag_foreach(process, simix_global->process_list){ - if(MC_process_is_enabled(process)){ - MC_state_interleave_process(current_pair->graph_state, process); } - } - - - set_pair_reached(current_pair); - XBT_DEBUG("Acceptance pair : graph=%p, automaton=%p(%s)", current_pair->graph_state, current_pair->automaton_state, current_pair->automaton_state->id); - MC_vddfs_stateful(a, 1, 1); - xbt_dynar_pop(reached_pairs, NULL); - } + MC_SET_RAW_MEM; + xbt_fifo_unshift(mc_stack_liveness_stateless, pair_succ); + MC_UNSET_RAW_MEM; + + MC_ddfs_stateless(a, search_cycle, 0, prgm); + + /* Restore system before checking others successors */ + if(cursor != (xbt_dynar_length(successors) - 1)) + MC_replay_liveness(mc_stack_liveness_stateless, 1); - }else{ + }else{ + + XBT_DEBUG("Next pair already visited"); + + } + } - XBT_DEBUG("Pair already visited !"); + if(MC_state_interleave_size(current_pair->graph_state) > 0){ + XBT_DEBUG("Backtracking to depth %u", xbt_fifo_size(mc_stack_liveness_stateless)); + MC_replay_liveness(mc_stack_liveness_stateless, 0); + } } - } - - if(MC_state_interleave_size(current_pair->graph_state) > 0){ - MC_restore_snapshot(current_snapshot); - MC_UNSET_RAW_MEM; - - } - } + + }else{ /*No request to execute, search evolution in Büchi automaton */ - - MC_SET_RAW_MEM; - xbt_fifo_shift(mc_stack_liveness_stateful); - XBT_DEBUG("Pair (graph=%p, automaton =%p) shifted in stack", current_pair->graph_state, current_pair->automaton_state); - MC_UNSET_RAW_MEM; + MC_SET_RAW_MEM; - + /* Create the new expanded graph_state */ + next_graph_state = MC_state_pair_new(); -} + xbt_dynar_reset(successors); + MC_UNSET_RAW_MEM; -/********************* Double-DFS stateful without visited state *******************/ + cursor= 0; + xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){ + res = MC_automaton_evaluate_label(a, transition_succ->label); -void MC_ddfs_stateful_init(xbt_automaton_t a){ + if(res == 1){ // enabled transition in automaton + MC_SET_RAW_MEM; + next_pair = new_pair_stateless(next_graph_state, transition_succ->dst, MC_state_interleave_size(next_graph_state)); + xbt_dynar_push(successors, &next_pair); + MC_UNSET_RAW_MEM; + } - XBT_DEBUG("**************************************************"); - XBT_DEBUG("Double-DFS stateful without visited state init"); - XBT_DEBUG("**************************************************"); - - mc_pair_t mc_initial_pair; - mc_state_t initial_graph_state; - smx_process_t process; - mc_snapshot_t init_snapshot; - - MC_wait_for_requests(); - - MC_SET_RAW_MEM; - - init_snapshot = xbt_new0(s_mc_snapshot_t, 1); - - initial_graph_state = MC_state_pair_new(); - xbt_swag_foreach(process, simix_global->process_list){ - if(MC_process_is_enabled(process)){ - MC_state_interleave_process(initial_graph_state, process); - } - } - - reached_pairs = xbt_dynar_new(sizeof(char *), NULL); - - MC_take_snapshot(init_snapshot); - - MC_UNSET_RAW_MEM; - - unsigned int cursor = 0; - xbt_state_t state = NULL; - - xbt_dynar_foreach(a->states, cursor, state){ - if(state->type == -1){ - - MC_SET_RAW_MEM; - mc_initial_pair = new_pair(init_snapshot, initial_graph_state, state); - xbt_fifo_unshift(mc_stack_liveness_stateful, mc_initial_pair); - MC_UNSET_RAW_MEM; - - if(cursor == 0){ - MC_ddfs_stateful(a, 0, 0); - }else{ - MC_restore_snapshot(init_snapshot); - MC_UNSET_RAW_MEM; - MC_ddfs_stateful(a, 0, 0); } - }else{ - if(state->type == 2){ - - MC_SET_RAW_MEM; - mc_initial_pair = new_pair(init_snapshot, initial_graph_state, state); - xbt_fifo_unshift(mc_stack_liveness_stateful, mc_initial_pair); - MC_UNSET_RAW_MEM; - - if(cursor == 0){ - MC_ddfs_stateful(a, 1, 0); - }else{ - MC_restore_snapshot(init_snapshot); - MC_UNSET_RAW_MEM; - MC_ddfs_stateful(a, 1, 0); - } - } - } - } -} - - -void MC_ddfs_stateful(xbt_automaton_t a, int search_cycle, int restore){ - smx_process_t process = NULL; - - - if(xbt_fifo_size(mc_stack_liveness_stateful) == 0) - return; - - if(restore == 1){ - MC_restore_snapshot(((mc_pair_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness_stateful)))->system_state); - MC_UNSET_RAW_MEM; - } - - - /* Get current state */ - mc_pair_t current_pair = (mc_pair_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness_stateful)); - - if(restore==1){ - xbt_swag_foreach(process, simix_global->process_list){ - if(MC_process_is_enabled(process)){ - MC_state_interleave_process(current_pair->graph_state, process); - } - } - } - - XBT_DEBUG("********************* ( Depth = %d, search_cycle = %d )", xbt_fifo_size(mc_stack_liveness_stateful), search_cycle); - XBT_DEBUG("Pair : graph=%p, automaton=%p(%s), %u interleave", current_pair->graph_state, current_pair->automaton_state, current_pair->automaton_state->id,MC_state_interleave_size(current_pair->graph_state)); - - mc_stats_pair->visited_pairs++; - - int value; - mc_state_t next_graph_state = NULL; - smx_req_t req = NULL; - char *req_str; - - mc_pair_t pair_succ; - xbt_transition_t transition_succ; - unsigned int cursor; - int res; - - xbt_dynar_t successors = xbt_dynar_new(sizeof(mc_pair_t), NULL); - - mc_pair_t next_pair; - mc_snapshot_t next_snapshot; - mc_snapshot_t current_snapshot; - - //sleep(1); - - - while((req = MC_state_get_request(current_pair->graph_state, &value)) != NULL){ - - MC_SET_RAW_MEM; - current_snapshot = xbt_new0(s_mc_snapshot_t, 1); - MC_take_snapshot(current_snapshot); - MC_UNSET_RAW_MEM; + cursor = 0; - - /* Debug information */ - if(XBT_LOG_ISENABLED(mc_liveness, xbt_log_priority_debug)){ - req_str = MC_request_to_string(req, value); - XBT_DEBUG("%u Execute: %s", search_cycle, req_str); - xbt_free(req_str); - } - - MC_state_set_executed_request(current_pair->graph_state, req, value); - - /* Answer the request */ - SIMIX_request_pre(req, value); - - /* Wait for requests (schedules processes) */ - MC_wait_for_requests(); - - - /* Create the new expanded graph_state */ - MC_SET_RAW_MEM; - - next_graph_state = MC_state_pair_new(); - - /* Get enabled process and insert it in the interleave set of the next graph_state */ - xbt_swag_foreach(process, simix_global->process_list){ - if(MC_process_is_enabled(process)){ - MC_state_interleave_process(next_graph_state, process); - } - } - - next_snapshot = xbt_new0(s_mc_snapshot_t, 1); - MC_take_snapshot(next_snapshot); + xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){ - MC_UNSET_RAW_MEM; - - xbt_dynar_reset(successors); - - cursor = 0; - xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){ - - res = MC_automaton_evaluate_label(a, transition_succ->label); - - MC_SET_RAW_MEM; - - if(res == 1){ // enabled transition in automaton - next_pair = new_pair(next_snapshot,next_graph_state, transition_succ->dst); - xbt_dynar_push(successors, &next_pair); - } - - MC_UNSET_RAW_MEM; - } - - cursor = 0; - xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){ - - res = MC_automaton_evaluate_label(a, transition_succ->label); - - MC_SET_RAW_MEM; + res = MC_automaton_evaluate_label(a, transition_succ->label); - if(res == 2){ // transition always enabled in automaton - next_pair = new_pair(next_snapshot,next_graph_state, transition_succ->dst); - xbt_dynar_push(successors, &next_pair); - } - - MC_UNSET_RAW_MEM; - } - - - if(xbt_dynar_length(successors) == 0){ - - MC_SET_RAW_MEM; - next_pair = new_pair(next_snapshot, next_graph_state, current_pair->automaton_state); - xbt_dynar_push(successors, &next_pair); - MC_UNSET_RAW_MEM; - - } - - //XBT_DEBUG("Successors in automaton %lu", xbt_dynar_length(successors)); - - cursor = 0; - xbt_dynar_foreach(successors, cursor, pair_succ){ - - //XBT_DEBUG("Search visited pair : graph=%p, automaton=%p", pair_succ->graph_state, pair_succ->automaton_state); - - if((search_cycle == 1) && (reached(pair_succ) == 1)){ - XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*"); - XBT_INFO("| ACCEPTANCE CYCLE |"); - XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*"); - XBT_INFO("Counter-example that violates formula :"); - MC_show_stack_liveness_stateful(mc_stack_liveness_stateful); - MC_dump_stack_liveness_stateful(mc_stack_liveness_stateful); - MC_print_statistics_pairs(mc_stats_pair); - exit(0); - } - - //mc_stats_pair->executed_transitions++; - - MC_SET_RAW_MEM; - xbt_fifo_unshift(mc_stack_liveness_stateful, pair_succ); - MC_UNSET_RAW_MEM; - - MC_ddfs_stateful(a, search_cycle, 0); - - - if((search_cycle == 0) && ((current_pair->automaton_state->type == 1) || (current_pair->automaton_state->type == 2))){ - - MC_restore_snapshot(current_pair->system_state); - MC_UNSET_RAW_MEM; - - xbt_swag_foreach(process, simix_global->process_list){ - if(MC_process_is_enabled(process)){ - MC_state_interleave_process(current_pair->graph_state, process); - } + if(res == 2){ // true transition in automaton + MC_SET_RAW_MEM; + next_pair = new_pair_stateless(next_graph_state, transition_succ->dst, MC_state_interleave_size(next_graph_state)); + xbt_dynar_push(successors, &next_pair); + MC_UNSET_RAW_MEM; } - set_pair_reached(current_pair); - XBT_DEBUG("Acceptance pair : graph=%p, automaton=%p(%s)", current_pair->graph_state, current_pair->automaton_state, current_pair->automaton_state->id); - MC_ddfs_stateful(a, 1, 1); - - xbt_dynar_pop(reached_pairs, NULL); } - } - if(MC_state_interleave_size(current_pair->graph_state) > 0){ - MC_restore_snapshot(current_snapshot); - MC_UNSET_RAW_MEM; - } - - } - - - MC_SET_RAW_MEM; - xbt_fifo_shift(mc_stack_liveness_stateful); - XBT_DEBUG("Pair (graph=%p, automaton =%p) shifted in stack", current_pair->graph_state, current_pair->automaton_state); - MC_UNSET_RAW_MEM; - -} - - - -/********************* Double-DFS stateless *******************/ - -void MC_pair_stateless_delete(mc_pair_stateless_t pair){ - xbt_free(pair->graph_state->proc_status); - xbt_free(pair->graph_state); - //xbt_free(pair->automaton_state); -> FIXME : à implémenter - xbt_free(pair); -} - -mc_pair_stateless_t new_pair_stateless(mc_state_t sg, xbt_state_t st){ - mc_pair_stateless_t p = NULL; - p = xbt_new0(s_mc_pair_stateless_t, 1); - p->automaton_state = st; - p->graph_state = sg; - mc_stats_pair->expanded_pairs++; - return p; -} - - -int reached_stateless(mc_pair_stateless_t pair){ - - char* hash_reached = malloc(sizeof(char)*160); - unsigned int c= 0; - - MC_SET_RAW_MEM; - char *hash = malloc(sizeof(char)*160); - xbt_sha((char *)&pair, hash); - xbt_dynar_foreach(reached_pairs, c, hash_reached){ - if(strcmp(hash, hash_reached) == 0){ - MC_UNSET_RAW_MEM; - return 1; - } - } - - MC_UNSET_RAW_MEM; - return 0; -} - -void set_pair_stateless_reached(mc_pair_stateless_t pair){ - - if(reached_stateless(pair) == 0){ - - MC_SET_RAW_MEM; - char *hash = malloc(sizeof(char)*160) ; - xbt_sha((char *)&pair, hash); - xbt_dynar_push(reached_pairs, &hash); - MC_UNSET_RAW_MEM; - } - -} - - -void MC_ddfs_stateless_init(xbt_automaton_t a){ - - XBT_DEBUG("**************************************************"); - XBT_DEBUG("Double-DFS stateless init"); - XBT_DEBUG("**************************************************"); - - mc_pair_stateless_t mc_initial_pair; - mc_state_t initial_graph_state; - smx_process_t process; - - MC_wait_for_requests(); - - MC_SET_RAW_MEM; - - initial_graph_state = MC_state_pair_new(); - xbt_swag_foreach(process, simix_global->process_list){ - if(MC_process_is_enabled(process)){ - MC_state_interleave_process(initial_graph_state, process); - } - } - - reached_pairs = xbt_dynar_new(sizeof(char *), NULL); - - MC_UNSET_RAW_MEM; + cursor = 0; + + xbt_dynar_foreach(successors, cursor, pair_succ){ - /* regarder dans l'automate toutes les transitions activables grâce à l'état initial du système - -> donnera les états initiaux de la propriété consistants avec l'état initial du système */ + if(!visited(a, pair_succ->automaton_state, search_cycle, prgm)){ - unsigned int cursor = 0; - //unsigned int cursor2 = 0; - xbt_state_t state = NULL; - //int res; - //xbt_transition_t transition_succ; - //xbt_dynar_t successors = xbt_dynar_new(sizeof(mc_pair_stateless_t), NULL); - //xbt_dynar_t elses = xbt_dynar_new(sizeof(mc_pair_stateless_t), NULL); - //mc_pair_stateless_t pair_succ; - - /*xbt_dynar_foreach(a->states, cursor, state){ - if(state->type == -1){ - xbt_dynar_foreach(state->out, cursor2, transition_succ){ - res = MC_automaton_evaluate_label(a, transition_succ->label); - - if(res == 1){ - - MC_SET_RAW_MEM; + if(search_cycle == 1){ - mc_initial_pair = new_pair_stateless(initial_graph_state, transition_succ->dst); - xbt_dynar_push(successors, &mc_initial_pair); + if((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2)){ - MC_UNSET_RAW_MEM; + if(reached(a, pair_succ->automaton_state, prgm) == 1){ - } - } - } - } + XBT_DEBUG("Next pair (depth = %d) already reached !", xbt_fifo_size(mc_stack_liveness_stateless) + 1); - cursor = 0; - cursor2 = 0; - - xbt_dynar_foreach(a->states, cursor, state){ - if(state->type == -1){ - xbt_dynar_foreach(state->out, cursor2, transition_succ){ - res = MC_automaton_evaluate_label(a, transition_succ->label); - - if(res == 2){ - - MC_SET_RAW_MEM; + XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*"); + XBT_INFO("| ACCEPTANCE CYCLE |"); + XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*"); + XBT_INFO("Counter-example that violates formula :"); + MC_show_stack_liveness_stateless(mc_stack_liveness_stateless); + MC_dump_stack_liveness_stateless(mc_stack_liveness_stateless); + MC_print_statistics_pairs(mc_stats_pair); + exit(0); - mc_initial_pair = new_pair_stateless(initial_graph_state, transition_succ->dst); - xbt_dynar_push(successors, &mc_initial_pair); + }else{ - MC_UNSET_RAW_MEM; + XBT_DEBUG("Next pair (depth =%d) -> Acceptance pair : graph=%p, automaton=%p(%s)", xbt_fifo_size(mc_stack_liveness_stateless) + 1, pair_succ->graph_state, pair_succ->automaton_state, pair_succ->automaton_state->id); + + set_pair_reached(a, pair_succ->automaton_state, prgm); - } - } - } - } + } + } - cursor = 0; + }else{ + + if(((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2)) && (xbt_fifo_size(mc_stack_liveness_stateless) < (MAX_DEPTH_LIVENESS - 1))){ - if((xbt_dynar_length(successors) == 0) && (xbt_dynar_length(elses) == 0)){ - xbt_dynar_foreach(a->states, cursor, state){ - if(state->type == -1){ - MC_SET_RAW_MEM; + set_pair_reached(a, pair_succ->automaton_state, prgm); + + search_cycle = 1; - mc_initial_pair = new_pair_stateless(initial_graph_state, transition_succ->dst); - xbt_dynar_push(successors, &mc_initial_pair); - - MC_UNSET_RAW_MEM; - } - } - } - - - cursor = 0; - xbt_dynar_foreach(successors, cursor, pair_succ){ - MC_SET_RAW_MEM; + } - xbt_fifo_unshift(mc_stack_liveness_stateless, pair_succ); + } - initial_snapshot = xbt_new0(s_mc_snapshot_t, 1); - MC_take_snapshot(initial_snapshot); + MC_SET_RAW_MEM; + xbt_fifo_unshift(mc_stack_liveness_stateless, pair_succ); + MC_UNSET_RAW_MEM; - MC_UNSET_RAW_MEM; + MC_ddfs_stateless(a, search_cycle, 0, prgm); - if(cursor == 0){ - MC_ddfs_stateless(a, 0, 0); - }else{ - MC_ddfs_stateless(a, 0, 1); - } - } */ + /* Restore system before checking others successors */ + if(cursor != xbt_dynar_length(successors) - 1) + MC_replay_liveness(mc_stack_liveness_stateless, 1); - xbt_dynar_foreach(a->states, cursor, state){ - if(state->type == -1){ - - MC_SET_RAW_MEM; - mc_initial_pair = new_pair_stateless(initial_graph_state, state); - xbt_fifo_unshift(mc_stack_liveness_stateless, mc_initial_pair); - - initial_snapshot = xbt_new0(s_mc_snapshot_t, 1); - MC_take_snapshot(initial_snapshot); - - MC_UNSET_RAW_MEM; - - if(cursor == 0){ - MC_ddfs_stateless(a, 0, 0); - }else{ - MC_restore_snapshot(initial_snapshot); - MC_UNSET_RAW_MEM; - MC_ddfs_stateless(a, 0, 0); - } - }else{ - if(state->type == 2){ - - MC_SET_RAW_MEM; - mc_initial_pair = new_pair_stateless(initial_graph_state, state); - xbt_fifo_unshift(mc_stack_liveness_stateless, mc_initial_pair); - - initial_snapshot = xbt_new0(s_mc_snapshot_t, 1); - MC_take_snapshot(initial_snapshot); - - MC_UNSET_RAW_MEM; - - if(cursor == 0){ - MC_ddfs_stateless(a, 1, 0); }else{ - MC_restore_snapshot(initial_snapshot); - MC_UNSET_RAW_MEM; - MC_ddfs_stateless(a, 1, 0); + + XBT_DEBUG("Next pair already visited"); + } + } + } - } - -} - - -void MC_ddfs_stateless(xbt_automaton_t a, int search_cycle, int replay){ - - smx_process_t process = NULL; - - if(xbt_fifo_size(mc_stack_liveness_stateless) == 0) - return; - - if(replay == 1){ - MC_replay_liveness(mc_stack_liveness_stateless); - } - - //XBT_DEBUG("Stack size before restore %u", xbt_fifo_size(mc_stack_liveness_stateless)); - - /* Get current state */ - mc_pair_stateless_t current_pair = (mc_pair_stateless_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness_stateless)); - - XBT_DEBUG("********************* ( Depth = %d, search_cycle = %d )", xbt_fifo_size(mc_stack_liveness_stateless), search_cycle); - XBT_DEBUG("Pair : graph=%p, automaton=%p(%s), %u interleave", current_pair->graph_state, current_pair->automaton_state, current_pair->automaton_state->id,MC_state_interleave_size(current_pair->graph_state)); - - mc_stats_pair->visited_pairs++; - - int value; - mc_state_t next_graph_state = NULL; - smx_req_t req = NULL; - char *req_str; - - mc_pair_stateless_t pair_succ; - xbt_transition_t transition_succ; - unsigned int cursor; - int res; - - xbt_dynar_t successors; - - mc_pair_stateless_t next_pair; - //mc_snapshot_t current_snap; - - while((req = MC_state_get_request(current_pair->graph_state, &value)) != NULL){ - - //XBT_DEBUG("Interleave size %u", MC_state_interleave_size(current_pair->graph_state)); - - /* Debug information */ - if(XBT_LOG_ISENABLED(mc_liveness, xbt_log_priority_debug)){ - req_str = MC_request_to_string(req, value); - XBT_DEBUG("Execute: %s", req_str); - xbt_free(req_str); - } - - //sleep(1); - - MC_state_set_executed_request(current_pair->graph_state, req, value); - - /* Answer the request */ - SIMIX_request_pre(req, value); - - /* Wait for requests (schedules processes) */ - MC_wait_for_requests(); - - - /* Create the new expanded graph_state */ - MC_SET_RAW_MEM; - - next_graph_state = MC_state_pair_new(); - - /* Get enabled process and insert it in the interleave set of the next graph_state */ - xbt_swag_foreach(process, simix_global->process_list){ - if(MC_process_is_enabled(process)){ - MC_state_interleave_process(next_graph_state, process); - } - } - - successors = xbt_dynar_new(sizeof(mc_pair_stateless_t), NULL); - - MC_UNSET_RAW_MEM; + }else{ - //xbt_dynar_reset(successors); - - cursor = 0; - - xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){ - - res = MC_automaton_evaluate_label(a, transition_succ->label); - - MC_SET_RAW_MEM; - - if(res == 1){ // enabled transition in automaton - next_pair = new_pair_stateless(next_graph_state, transition_succ->dst); - xbt_dynar_push(successors, &next_pair); - } - - MC_UNSET_RAW_MEM; - } - - cursor = 0; - - xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){ - - res = MC_automaton_evaluate_label(a, transition_succ->label); - - MC_SET_RAW_MEM; - - if(res == 2){ // enabled transition in automaton - next_pair = new_pair_stateless(next_graph_state, transition_succ->dst); - xbt_dynar_push(successors, &next_pair); - } - - MC_UNSET_RAW_MEM; - } - - - if(xbt_dynar_length(successors) == 0){ - - MC_SET_RAW_MEM; - next_pair = new_pair_stateless(next_graph_state, current_pair->automaton_state); - xbt_dynar_push(successors, &next_pair); - MC_UNSET_RAW_MEM; - - } + XBT_DEBUG("Max depth reached"); - cursor = 0; - //XBT_DEBUG("Successors length %lu", xbt_dynar_length(successors)); - - xbt_dynar_foreach(successors, cursor, pair_succ){ - - if((search_cycle == 1) && (reached_stateless(pair_succ) == 1)){ - XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*"); - XBT_INFO("| ACCEPTANCE CYCLE |"); - XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*"); - XBT_INFO("Counter-example that violates formula :"); - MC_show_stack_liveness_stateless(mc_stack_liveness_stateless); - MC_dump_stack_liveness_stateless(mc_stack_liveness_stateless); - MC_print_statistics_pairs(mc_stats_pair); - exit(0); - } - - mc_stats_pair->executed_transitions++; - - MC_SET_RAW_MEM; - xbt_fifo_unshift(mc_stack_liveness_stateless, pair_succ); - MC_UNSET_RAW_MEM; - - MC_ddfs_stateless(a, search_cycle, 0); - - //XBT_DEBUG("Stack size %u", xbt_fifo_size(mc_stack_liveness_stateless)); - - if((search_cycle == 0) && ((current_pair->automaton_state->type == 1) || (current_pair->automaton_state->type == 2))){ - - /*xbt_swag_foreach(process, simix_global->process_list){ - if(MC_process_is_enabled(process)){ - MC_state_interleave_process(current_pair->graph_state, process); - } - }*/ - - set_pair_stateless_reached(current_pair); - XBT_DEBUG("Acceptance pair : graph=%p, automaton=%p(%s)", current_pair->graph_state, current_pair->automaton_state, current_pair->automaton_state->id); - - MC_ddfs_stateless(a, 1, 1); - - xbt_dynar_pop(reached_pairs, NULL); - } - } + } - if(MC_state_interleave_size(current_pair->graph_state) > 0){ - XBT_DEBUG("Backtracking to depth %u", xbt_fifo_size(mc_stack_liveness_stateless)); - MC_replay_liveness(mc_stack_liveness_stateless); - } - + if(xbt_fifo_size(mc_stack_liveness_stateless) == MAX_DEPTH_LIVENESS ){ + XBT_DEBUG("Pair (graph=%p, automaton =%p, search_cycle = %u, depth = %d) shifted in stack, maximum depth reached", current_pair->graph_state, current_pair->automaton_state, search_cycle, xbt_fifo_size(mc_stack_liveness_stateless) ); + }else{ + XBT_DEBUG("Pair (graph=%p, automaton =%p, search_cycle = %u, depth = %d) shifted in stack", current_pair->graph_state, current_pair->automaton_state, search_cycle, xbt_fifo_size(mc_stack_liveness_stateless) ); } MC_SET_RAW_MEM; xbt_fifo_shift(mc_stack_liveness_stateless); - XBT_DEBUG("Pair (graph=%p, automaton =%p, search_cycle = %u) shifted in stack", current_pair->graph_state, current_pair->automaton_state, search_cycle); + if((current_pair->automaton_state->type == 1) || (current_pair->automaton_state->type == 2)){ + xbt_fifo_shift(reached_pairs); + } MC_UNSET_RAW_MEM; + }