/* Liveness */
-xbt_fifo_t mc_stack_liveness_stateful = NULL;
mc_stats_pair_t mc_stats_pair = NULL;
-xbt_fifo_t mc_stack_liveness_stateless = NULL;
+xbt_fifo_t mc_stack_liveness = NULL;
mc_snapshot_t initial_snapshot_liveness = NULL;
xbt_automaton_t automaton;
}
-void MC_init_liveness_stateful(xbt_automaton_t a){
-
- XBT_DEBUG("Start init mc");
-
- mc_time = xbt_new0(double, simix_process_maxpid);
-
- /* Initialize the data structures that must be persistent across every
- iteration of the model-checker (in RAW memory) */
-
- MC_SET_RAW_MEM;
-
- /* Initialize statistics */
- mc_stats_pair = xbt_new0(s_mc_stats_pair_t, 1);
- //mc_stats = xbt_new0(s_mc_stats_t, 1);
-
- XBT_DEBUG("Creating snapshot_stack");
-
- /* Create exploration stack */
- mc_stack_liveness_stateful = xbt_fifo_new();
-
-
- MC_UNSET_RAW_MEM;
-
- //MC_ddfs_stateful_init(a);
- //MC_dpor2_init(a);
- //MC_dpor3_init(a);
-}
-
-void MC_init_liveness_stateless(xbt_automaton_t a, char *prgm){
+void MC_init_liveness(xbt_automaton_t a, char *prgm){
XBT_DEBUG("Start init mc");
XBT_DEBUG("Creating stack");
/* Create exploration stack */
- mc_stack_liveness_stateless = xbt_fifo_new();
+ mc_stack_liveness = xbt_fifo_new();
MC_UNSET_RAW_MEM;
automaton = a;
prog_name = strdup(prgm);
- MC_ddfs_stateless_init();
+ MC_ddfs_init();
}
MC_exit();
}
-void MC_modelcheck_liveness_stateful(xbt_automaton_t a){
- MC_init_liveness_stateful(a);
- MC_exit_liveness();
-}
-void MC_modelcheck_liveness_stateless(xbt_automaton_t a, char *prgm){
- MC_init_liveness_stateless(a, prgm);
+void MC_modelcheck_liveness(xbt_automaton_t a, char *prgm){
+ MC_init_liveness(a, prgm);
MC_exit_liveness();
}
}
}
-void MC_show_stack_liveness_stateful(xbt_fifo_t stack){
- int value;
- mc_pair_t pair;
- xbt_fifo_item_t item;
- smx_req_t req;
- char *req_str = NULL;
-
- for (item = xbt_fifo_get_last_item(stack);
- (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item)))
- : (NULL)); item = xbt_fifo_get_prev_item(item)) {
- req = MC_state_get_executed_request(pair->graph_state, &value);
- if(req){
- req_str = MC_request_to_string(req, value);
- XBT_INFO("%s", req_str);
- xbt_free(req_str);
- }
- }
-}
-
-void MC_dump_stack_liveness_stateful(xbt_fifo_t stack){
- mc_pair_t pair;
-
- MC_SET_RAW_MEM;
- while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL)
- MC_pair_delete(pair);
- MC_UNSET_RAW_MEM;
-}
-void MC_show_stack_liveness_stateless(xbt_fifo_t stack){
+void MC_show_stack_liveness(xbt_fifo_t stack){
int value;
mc_pair_stateless_t pair;
xbt_fifo_item_t item;
}
}
-void MC_dump_stack_liveness_stateless(xbt_fifo_t stack){
+void MC_dump_stack_liveness(xbt_fifo_t stack){
mc_pair_stateless_t pair;
MC_SET_RAW_MEM;
}
}
-void MC_assert_pair_stateful(int prop){
- if (MC_IS_ENABLED && !prop) {
- XBT_INFO("**************************");
- XBT_INFO("*** PROPERTY NOT VALID ***");
- XBT_INFO("**************************");
- //XBT_INFO("Counter-example execution trace:");
- MC_show_stack_liveness_stateful(mc_stack_liveness_stateful);
- //MC_dump_snapshot_stack(mc_snapshot_stack);
- MC_print_statistics_pairs(mc_stats_pair);
- xbt_abort();
- }
-}
-void MC_assert_pair_stateless(int prop){
+void MC_assert_pair(int prop){
if (MC_IS_ENABLED && !prop) {
XBT_INFO("**************************");
XBT_INFO("*** PROPERTY NOT VALID ***");
XBT_INFO("**************************");
//XBT_INFO("Counter-example execution trace:");
- MC_show_stack_liveness_stateless(mc_stack_liveness_stateless);
+ MC_show_stack_liveness(mc_stack_liveness);
//MC_dump_snapshot_stack(mc_snapshot_stack);
MC_print_statistics_pairs(mc_stats_pair);
xbt_abort();
xbt_dynar_t visited_pairs_hash;
xbt_dynar_t successors;
+
/* fast implementation of djb2 algorithm */
unsigned int hash_region(char *str, int str_len){
return p;
}
-void MC_ddfs_stateless_init(){
+void MC_ddfs_init(){
XBT_DEBUG("**************************************************");
- XBT_DEBUG("Double-DFS stateless init");
+ XBT_DEBUG("Double-DFS init");
XBT_DEBUG("**************************************************");
mc_pair_stateless_t mc_initial_pair = NULL;
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);
+ xbt_fifo_unshift(mc_stack_liveness, mc_initial_pair);
MC_UNSET_RAW_MEM;
if(cursor != 0){
MC_UNSET_RAW_MEM;
}
- MC_ddfs_stateless(0);
+ MC_ddfs(0);
}else{
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);
+ xbt_fifo_unshift(mc_stack_liveness, mc_initial_pair);
MC_UNSET_RAW_MEM;
//set_pair_reached(state);
MC_UNSET_RAW_MEM;
}
- MC_ddfs_stateless(1);
+ MC_ddfs(1);
}
}
}
-void MC_ddfs_stateless(int search_cycle){
+void MC_ddfs(int search_cycle){
smx_process_t process;
mc_pair_stateless_t current_pair = NULL;
- if(xbt_fifo_size(mc_stack_liveness_stateless) == 0)
+ if(xbt_fifo_size(mc_stack_liveness) == 0)
return;
/* Get current pair */
- current_pair = (mc_pair_stateless_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness_stateless));
+ current_pair = (mc_pair_stateless_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness));
/* Update current state in buchi automaton */
automaton->current_state = current_pair->automaton_state;
- XBT_DEBUG("********************* ( Depth = %d, search_cycle = %d )", xbt_fifo_size(mc_stack_liveness_stateless), search_cycle);
+ XBT_DEBUG("********************* ( Depth = %d, search_cycle = %d )", xbt_fifo_size(mc_stack_liveness), 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++;
mc_pair_stateless_t next_pair = NULL;
mc_pair_stateless_t pair_succ;
- if(xbt_fifo_size(mc_stack_liveness_stateless) < MAX_DEPTH_LIVENESS){
+ if(xbt_fifo_size(mc_stack_liveness) < MAX_DEPTH_LIVENESS){
//set_pair_visited(current_pair->automaton_state, search_cycle);
set_pair_visited_hash(current_pair->automaton_state, search_cycle);
//if(reached(pair_succ->automaton_state)){
if(reached_hash(pair_succ->automaton_state)){
- 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));
+ XBT_DEBUG("Next pair (depth = %d, %d interleave) already reached !", xbt_fifo_size(mc_stack_liveness) + 1, MC_state_interleave_size(pair_succ->graph_state));
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_show_stack_liveness(mc_stack_liveness);
+ MC_dump_stack_liveness(mc_stack_liveness);
MC_print_statistics_pairs(mc_stats_pair);
exit(0);
}else{
- 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);
+ XBT_DEBUG("Next pair (depth =%d) -> Acceptance pair : graph=%p, automaton=%p(%s)", xbt_fifo_size(mc_stack_liveness) + 1, pair_succ->graph_state, pair_succ->automaton_state, pair_succ->automaton_state->id);
//set_pair_reached(pair_succ->automaton_state);
set_pair_reached_hash(pair_succ->automaton_state);
XBT_DEBUG("Reached pairs : %lu", xbt_dynar_length(reached_pairs_hash));
MC_SET_RAW_MEM;
- xbt_fifo_unshift(mc_stack_liveness_stateless, pair_succ);
+ xbt_fifo_unshift(mc_stack_liveness, pair_succ);
MC_UNSET_RAW_MEM;
- MC_ddfs_stateless(search_cycle);
+ MC_ddfs(search_cycle);
}
//if(!visited(pair_succ->automaton_state, search_cycle)){
MC_SET_RAW_MEM;
- xbt_fifo_unshift(mc_stack_liveness_stateless, pair_succ);
+ xbt_fifo_unshift(mc_stack_liveness, pair_succ);
MC_UNSET_RAW_MEM;
- MC_ddfs_stateless(search_cycle);
+ MC_ddfs(search_cycle);
}else{
if(((pair_succ->automaton_state->type == 1) || (pair_succ->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);
+ XBT_DEBUG("Next pair (depth =%d) -> Acceptance pair : graph=%p, automaton=%p(%s)", xbt_fifo_size(mc_stack_liveness) + 1, pair_succ->graph_state, pair_succ->automaton_state, pair_succ->automaton_state->id);
//set_pair_reached(pair_succ->automaton_state);
set_pair_reached_hash(pair_succ->automaton_state);
//if(!visited(pair_succ->automaton_state, search_cycle)){
MC_SET_RAW_MEM;
- xbt_fifo_unshift(mc_stack_liveness_stateless, pair_succ);
+ xbt_fifo_unshift(mc_stack_liveness, pair_succ);
MC_UNSET_RAW_MEM;
- MC_ddfs_stateless(search_cycle);
+ MC_ddfs(search_cycle);
}else{
/* Restore system before checking others successors */
if(cursor != (xbt_dynar_length(successors) - 1))
- MC_replay_liveness(mc_stack_liveness_stateless, 1);
+ MC_replay_liveness(mc_stack_liveness, 1);
}
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);
+ XBT_DEBUG("Backtracking to depth %u", xbt_fifo_size(mc_stack_liveness));
+ MC_replay_liveness(mc_stack_liveness, 0);
}
}
//if(reached(pair_succ->automaton_state)){
if(reached_hash(pair_succ->automaton_state)){
- XBT_DEBUG("Next pair (depth = %d) already reached !", xbt_fifo_size(mc_stack_liveness_stateless) + 1);
+ XBT_DEBUG("Next pair (depth = %d) already reached !", xbt_fifo_size(mc_stack_liveness) + 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_show_stack_liveness(mc_stack_liveness);
+ MC_dump_stack_liveness(mc_stack_liveness);
MC_print_statistics_pairs(mc_stats_pair);
exit(0);
}else{
- 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);
+ XBT_DEBUG("Next pair (depth = %d) -> Acceptance pair : graph=%p, automaton=%p(%s)", xbt_fifo_size(mc_stack_liveness) + 1, pair_succ->graph_state, pair_succ->automaton_state, pair_succ->automaton_state->id);
//set_pair_reached(pair_succ->automaton_state);
set_pair_reached_hash(pair_succ->automaton_state);
XBT_DEBUG("Reached pairs : %lu", xbt_dynar_length(reached_pairs_hash));
MC_SET_RAW_MEM;
- xbt_fifo_unshift(mc_stack_liveness_stateless, pair_succ);
+ xbt_fifo_unshift(mc_stack_liveness, pair_succ);
MC_UNSET_RAW_MEM;
- MC_ddfs_stateless(search_cycle);
+ MC_ddfs(search_cycle);
}
//if(!visited(pair_succ->automaton_state, search_cycle)){
MC_SET_RAW_MEM;
- xbt_fifo_unshift(mc_stack_liveness_stateless, pair_succ);
+ xbt_fifo_unshift(mc_stack_liveness, pair_succ);
MC_UNSET_RAW_MEM;
- MC_ddfs_stateless(search_cycle);
+ MC_ddfs(search_cycle);
}else{
if(!visited(pair_succ->automaton_state, search_cycle)){
MC_SET_RAW_MEM;
- xbt_fifo_unshift(mc_stack_liveness_stateless, pair_succ);
+ xbt_fifo_unshift(mc_stack_liveness, pair_succ);
MC_UNSET_RAW_MEM;
- MC_ddfs_stateless(search_cycle);
+ MC_ddfs(search_cycle);
}else{
/* Restore system before checking others successors */
if(cursor != xbt_dynar_length(successors) - 1)
- MC_replay_liveness(mc_stack_liveness_stateless, 1);
+ MC_replay_liveness(mc_stack_liveness, 1);
}
}
- 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) );
+ if(xbt_fifo_size(mc_stack_liveness) == 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) );
}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) );
+ 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) );
}
MC_SET_RAW_MEM;
- xbt_fifo_shift(mc_stack_liveness_stateless);
+ xbt_fifo_shift(mc_stack_liveness);
if((current_pair->automaton_state->type == 1) || (current_pair->automaton_state->type == 2)){
//xbt_dynar_pop(reached_pairs, NULL);
xbt_dynar_pop(reached_pairs_hash, NULL);
}
-
/* Bound of the MC depth-first search algorithm */
#define MAX_DEPTH 1000
-#define MAX_DEPTH_LIVENESS 20
+#define MAX_DEPTH_LIVENESS 500
int MC_deadlock_check(void);
void MC_replay(xbt_fifo_t stack);
/********************************** Double-DFS for liveness property**************************************/
+extern mc_snapshot_t initial_snapshot_liveness;
+extern xbt_automaton_t automaton;
+
typedef struct s_mc_pair{
mc_snapshot_t system_state;
mc_state_t graph_state;
int reached_hash(xbt_state_t st);
void set_pair_reached_hash(xbt_state_t st);
int snapshot_compare(mc_snapshot_t s1, mc_snapshot_t s2);
-void MC_show_stack_liveness_stateful(xbt_fifo_t stack);
-void MC_dump_stack_liveness_stateful(xbt_fifo_t stack);
void MC_pair_delete(mc_pair_t pair);
void MC_exit_liveness(void);
mc_state_t MC_state_pair_new(void);
void set_pair_visited(xbt_state_t st, int search_cycle);
int visited_hash(xbt_state_t st, int search_cycle);
void set_pair_visited_hash(xbt_state_t st, int search_cycle);
+unsigned int hash_region(char *str, int str_len);
-/* **** Double-DFS stateful without visited state **** */
-
-extern xbt_fifo_t mc_stack_liveness_stateful;
-
-void MC_ddfs_stateful_init(xbt_automaton_t a);
-void MC_ddfs_stateful(xbt_automaton_t a, int search_cycle, int restore);
/* **** Double-DFS stateless **** */
int requests;
}s_mc_pair_stateless_t, *mc_pair_stateless_t;
-extern xbt_fifo_t mc_stack_liveness_stateless;
-extern mc_snapshot_t initial_snapshot_liveness;
-extern xbt_automaton_t automaton;
+extern xbt_fifo_t mc_stack_liveness;
mc_pair_stateless_t new_pair_stateless(mc_state_t sg, xbt_state_t st, int r);
-void MC_ddfs_stateless_init();
-void MC_ddfs_stateless(int search_cycle);
-void MC_show_stack_liveness_stateless(xbt_fifo_t stack);
-void MC_dump_stack_liveness_stateless(xbt_fifo_t stack);
+void MC_ddfs_init();
+void MC_ddfs(int search_cycle);
+void MC_show_stack_liveness(xbt_fifo_t stack);
+void MC_dump_stack_liveness(xbt_fifo_t stack);
void MC_pair_stateless_delete(mc_pair_stateless_t pair);
-unsigned int hash_region(char *str, int str_len);
-
-
#endif