void
cndfs_shared_init (run_t *run)
{
HREassert (GRED.g == 0);
HREassert (GGREEN.g == 1);
HREassert (GDANGEROUS.g == 2);
set_alg_local_init (run->alg, cndfs_local_init);
set_alg_global_init (run->alg, cndfs_global_init);
set_alg_global_deinit (run->alg, cndfs_global_deinit);
set_alg_local_deinit (run->alg, cndfs_local_deinit);
set_alg_print_stats (run->alg, cndfs_print_stats);
set_alg_run (run->alg, endfs_blue);
set_alg_state_seen (run->alg, cndfs_state_seen);
set_alg_reduce (run->alg, cndfs_reduce);
if (run->shared != NULL)
return;
run->shared = RTmallocZero (sizeof(alg_shared_t));
run->shared->color_bit_shift = 0;
run->shared->top_level = run;
run->shared->run_is_stopped = run_get_is_stopped (run);
run->shared->run_stop = run_get_stop (run);
run_set_is_stopped (run, cndfs_is_stopped);
run_set_stop (run, cndfs_stop);
int i = 1;
run_t *previous = run;
run_t *next = NULL;
while (strategy[i] != Strat_None) {
next = run_create (false);
next->shared = RTmallocZero (sizeof(alg_shared_t));
next->shared->previous = previous;
next->shared->top_level = run;
next->shared->rec = NULL;
run_set_is_stopped (next, cndfs_is_stopped);
run_set_stop (next, cndfs_stop);
next->shared->color_bit_shift = previous->shared->color_bit_shift +
num_global_bits (strategy[i]);
alg_shared_init_strategy (next, strategy[i]);
previous->shared->rec = next;
previous = next;
i++;
}
}
void
ndfs_reduce (run_t *run, wctx_t *ctx)
{
if (run->reduced == NULL) {
run->reduced = RTmallocZero (sizeof (alg_reduced_t));
}
alg_reduced_t *reduced = run->reduced;
counter_t *blue = &ctx->local->counters;
counter_t *red = &ctx->local->red;
work_counter_t *blue_work = ctx->counters;
work_counter_t *red_work = &ctx->local->red_work;
add_results (&reduced->blue, blue);
add_results (&reduced->red, red);
work_add_results (&reduced->red_work, red_work);
// publish local memory statistics for run class
run->total.local_states += blue_work->level_max + red_work->level_max;
if (W >= 4 || !log_active(infoLong)) return;
// print some local info
float runtime = RTrealTime(ctx->timer);
Warning (info, "Nested depth-first search worker ran %.3f sec", runtime);
work_report ("[Blue]", blue_work);
work_report ("[Red ]", red_work);
}
void
cndfs_reduce (run_t *run, wctx_t *ctx)
{
if (run->reduced == NULL) {
run->reduced = RTmallocZero (sizeof (cndfs_reduced_t));
cndfs_reduced_t *reduced = (cndfs_reduced_t *) run->reduced;
reduced->waittime = 0;
}
cndfs_reduced_t *reduced = (cndfs_reduced_t *) run->reduced;
cndfs_alg_local_t *cloc = (cndfs_alg_local_t *) ctx->local;
float waittime = RTrealTime(cloc->timer);
reduced->waittime += waittime;
reduced->rec += cloc->counters.rec;
reduced->max_load += fset_max_load (cloc->pink);
ndfs_reduce (run, ctx);
if (log_active(infoLong)) {
fset_print_statistics (cloc->pink, "Pink stack set:");
}
if (run->shared->rec != NULL) {
alg_global_t *sm = ctx->global;
alg_reduce (run->shared->rec, sm->rec);
}
}
void
tarjan_local_init (run_t *run, wctx_t *ctx)
{
ctx->local = RTmallocZero (sizeof (alg_local_t));
ctx->local->target = state_info_create ();
// extend state_info with tarjan_state information
state_info_add_simple (ctx->local->target, sizeof (uint32_t),
&ctx->local->target_tarjan.index);
state_info_add_simple (ctx->local->target, sizeof (uint32_t),
&ctx->local->target_tarjan.lowlink);
state_info_add_simple (ctx->state, sizeof (uint32_t),
&ctx->local->state_tarjan.index);
state_info_add_simple (ctx->state, sizeof (uint32_t),
&ctx->local->state_tarjan.lowlink);
size_t len = state_info_serialize_int_size (ctx->state);
ctx->local->search_stack = dfs_stack_create (len);
ctx->local->tarjan_stack = dfs_stack_create (len);
ctx->local->cnt.scc_count = 0;
ctx->local->cnt.tarjan_counter = 0;
ctx->local->visited_states =
fset_create (sizeof (ref_t), sizeof (raw_data_t), 10, dbs_size);
#ifdef SEARCH_COMPLETE_GRAPH
// provide the input file name to dlopen_setup
dlopen_setup (files[0]);
#endif
(void) run;
}
void
cndfs_global_init (run_t *run, wctx_t *ctx)
{
ctx->global = RTmallocZero (sizeof(alg_global_t));
ctx->global->work = SIZE_MAX;
(void) run;
}
void
cndfs_local_init (run_t *run, wctx_t *ctx)
{
alg_local_t *loc = RTmallocZero (sizeof(cndfs_alg_local_t));
ctx->local = loc;
cndfs_local_setup (run, ctx);
}
void
timed_local_init (run_t *run, wctx_t *ctx)
{
ta_alg_local_t *loc = RTmallocZero (sizeof(ta_alg_local_t));
ctx->local = (alg_local_t *) loc;
reach_local_setup (run, ctx);
statistics_init (&loc->counters.lattice_ratio);
}
static stream_t stream_zip(stream_t parent,int compress,int level,int bufsize){
stream_t s=(stream_t)RTmallocZero(sizeof(struct stream_s));
stream_init(s);
s->bufsize=bufsize;
s->s=parent;
s->compress=compress;
if(stream_writable(parent)){
s->procs.write=gzip_write;
//s->procs.flush= TO DO
s->wr.zalloc = Z_NULL;
s->wr.zfree = Z_NULL;
s->wr.opaque = Z_NULL;
s->wr_buf=(char*)RTmalloc(bufsize);
s->wr.next_in=Z_NULL;
s->wr.avail_in=0;
s->wr.next_out=s->wr_buf;
s->wr.avail_out=bufsize;
if (compress) {
if (deflateInit(&s->wr, level)!= Z_OK) {
Abort("gzip init failed");
}
} else {
if (inflateInit(&s->wr)!= Z_OK) {
Abort("gzip init failed");
}
}
} else {
s->wr_buf=NULL;
}
if(stream_readable(parent)){
s->procs.read_max=gzip_read_max;
s->procs.read=gzip_read;
//s->procs.empty= TO DO
s->rd.zalloc = Z_NULL;
s->rd.zfree = Z_NULL;
s->rd.opaque = Z_NULL;
s->rd.next_in=Z_NULL;
s->rd.avail_in=0;
s->rd.next_out=Z_NULL;
s->rd.avail_out=0;
s->rd_buf=(char*)RTmalloc(bufsize);
if (compress) {
if (inflateInit(&s->rd)!= Z_OK) {
Abort("gzip init failed");
}
} else {
if (deflateInit(&s->rd, level)!= Z_OK) {
Abort("gzip init failed");
}
}
} else {
s->rd_buf=NULL;
}
s->procs.close=gzip_close;
s->procs.close_z=gzip_close_z;
return stream_buffer(s,4096);
}
void
tarjan_reduce (run_t *run, wctx_t *ctx)
{
if (run->reduced == NULL) {
run->reduced = RTmallocZero (sizeof (counter_t));
}
counter_t *reduced = (counter_t *) run->reduced;
counter_t *cnt = &ctx->local->cnt;
reduced->scc_count += cnt->scc_count;
}
void
timed_reduce (run_t *run, wctx_t *ctx)
{
if (run->reduced == NULL) {
run->reduced = RTmallocZero (sizeof (ta_reduced_t) + CACHE_LINE_SIZE);
}
ta_reduced_t *reduced = (ta_reduced_t *) run->reduced;
ta_alg_local_t *ta_loc = (ta_alg_local_t *) ctx->local;
ta_add_results (&reduced->counters, &ta_loc->counters);
reach_reduce (run, ctx);
}
void
timed_global_init (run_t *run, wctx_t *ctx)
{
if (PINS_POR)
Abort ("POR not compatible with timed automata");
ctx->global = RTmallocZero (sizeof(ta_alg_global_t));
ta_alg_global_t *sm = (ta_alg_global_t *) ctx->global;
// Extend state info with a lattice location
state_info_add_simple (ctx->state, sizeof(lm_loc_t), &sm->lloc);
state_info_add_simple (ctx->initial, sizeof(lm_loc_t), &sm->lloc);
state_info_t *si_perm = permute_state_info(ctx->permute);
state_info_add_simple (si_perm, sizeof(lm_loc_t), &sm->lloc);
reach_global_setup (run, ctx);
}
void
timed_shared_init (run_t *run)
{
set_alg_local_init (run->alg, timed_local_init);
set_alg_global_init (run->alg, timed_global_init);
set_alg_global_deinit (run->alg, timed_destroy);
set_alg_local_deinit (run->alg, timed_destroy_local);
set_alg_print_stats (run->alg, timed_print_stats);
set_alg_run (run->alg, timed_run);
set_alg_reduce (run->alg, timed_reduce);
run->shared = RTmallocZero (sizeof (ta_alg_shared_t));
reach_init_shared (run);
ta_alg_shared_t *shared = (ta_alg_shared_t *) run->shared;
shared->lmap = state_store_lmap (global->store);
}
lts_file_t lts_writer(lts_t lts,int segments,lts_file_t settings){
lts_file_t file=lts_file_bare("<heap>",lts->ltstype,segments,settings,sizeof(struct lts_file_s));
file->lts=lts;
file->segments=segments;
file->state_perseg=(uint32_t*)RTmallocZero(segments*sizeof(uint32_t));
file->edge_labels=lts_type_get_edge_label_count(lts->ltstype);
lts_file_set_write_init(file,write_init);
lts_file_set_write_state(file,write_state);
lts_file_set_write_edge(file,write_edge);
lts_file_set_close(file,write_close);
lts_file_complete(file);
lts_set_type(file->lts,LTS_LIST);
int T=lts_type_get_type_count(lts->ltstype);
for(int i=0;i<T;i++){
lts_file_set_table(file,i,lts->values[i]);
}
return file;
}
string_index_t SIcreate(){
int i;
string_index_t si;
si=(string_index_t)RTmallocZero(sizeof(struct stringindex));
si->count=0;
si->free_list=END_OF_LIST;
si->man=create_manager(DATA_BLOCK_SIZE);
//si->next=(int*)RTmalloc(DATA_BLOCK_SIZE*sizeof(int));
ADD_ARRAY_CB(si->man,si->next,int,next_resize,NULL);
//si->len=(int*)RTmalloc(DATA_BLOCK_SIZE*sizeof(int));
ADD_ARRAY_CB(si->man,si->len,int,len_resize,si);
//si->data=(char**)RTmalloc(DATA_BLOCK_SIZE*sizeof(char*));
ADD_ARRAY(si->man,si->data,char*);
//create_free_list(si);
si->table=(int*)RTmalloc((TABLE_INITIAL+1)*sizeof(int));
si->mask=TABLE_INITIAL;
for(i=0;i<=TABLE_INITIAL;i++){
si->table[i]=END_OF_LIST;
}
return si;
};
/*
* Sanitizes and caches all type symbols of an etf_model_t. Should only be
* called once.
*/
void sanitize_types(etf_model_t model) {
lts_type_t ltstype = etf_type(model);
int n_types = lts_type_get_type_count(ltstype);
sanitized_types = (char***)RTmallocZero(n_types*sizeof(char**));
for (int i=0;i<n_types;i++) {
int v_count = etf_get_value_count(model, i);
if (v_count) {
sanitized_types[i] = (char**)RTmalloc(v_count*sizeof(char*));
for (int j=0;j<v_count;j++) {
chunk ch = etf_get_value(model, i, j);
char tmp[ch.len+1];
strncpy(tmp,ch.data,ch.len);
tmp[ch.len] = '\0';
int len = ch.len+2;
sanitized_types[i][j] = (char*)RTmalloc(len);
sanitize_ID(tmp,len,sanitized_types[i][j]);
Debug("Sanitizing type %s to %s", tmp, sanitized_types[i][j]);
}
}
}
}
ci_list *
ci_create (size_t size)
{
return RTmallocZero (sizeof(int[size + 1]));
}
void
DVE2loadGreyboxModel(model_t model, const char *filename)
{
lts_type_t ltstype;
matrix_t *dm_info = RTmalloc(sizeof(matrix_t));
matrix_t *dm_read_info = RTmalloc(sizeof(matrix_t));
matrix_t *dm_actions_read_info = RTmalloc(sizeof(matrix_t));
matrix_t *dm_may_write_info = RTmalloc(sizeof(matrix_t));
matrix_t *dm_must_write_info = RTmalloc(sizeof(matrix_t));
matrix_t *sl_info = RTmalloc(sizeof(matrix_t));
//assume sequential use:
if (NULL == dlHandle) {
char *extension = strrchr (filename, '.');
HREassert (extension != NULL, "No filename extension %s", filename);
++extension;
if (0==strcmp (extension, "dve2C") || 0==strcmp (extension, "so")) {
DVE2loadDynamicLib(model, filename);
} else {
DVE2compileGreyboxModel(model, filename);
}
}
gb_context_t ctx=(gb_context_t)RTmalloc(sizeof(struct grey_box_context));
GBsetContext(model,ctx);
// get ltstypes
int state_length = get_state_variable_count();
ltstype=lts_type_create();
// adding types
int ntypes = get_state_variable_type_count();
for(int i = 0; i < ntypes; i++) {
const char* type_name = get_state_variable_type_name(i);
HREassert (type_name != NULL, "invalid type name");
if (lts_type_add_type(ltstype, type_name, NULL) != i) {
Abort("wrong type number");
}
int type_value_count = get_state_variable_type_value_count(i);
if (0 == type_value_count) {
lts_type_set_format (ltstype, i, LTStypeDirect);
} else {
lts_type_set_format (ltstype, i, LTStypeEnum);
}
}
int guard_type = lts_type_add_type (ltstype, "guard", NULL);
lts_type_set_format (ltstype, guard_type, LTStypeTrilean);
lts_type_set_state_length(ltstype, state_length);
// set state name & type
for(int i=0; i < state_length; ++i)
{
const char* name = get_state_variable_name(i);
const int type = get_state_variable_type(i);
lts_type_set_state_name(ltstype,i,name);
lts_type_set_state_typeno(ltstype,i,type);
}
// compute state label names
int nguards = get_guard_count(); // TODO: should be in model has guards block..?
int sl_size = 0 +
nguards +
(have_property() ? 1 : 0);
// assumption on state labels:
// state labels (idx): 0 - nguards-1 = guard state labels
// state label (idx): nguards = property state label
lts_type_set_state_label_count (ltstype, sl_size);
char buf[256];
for(int i=0; i < nguards; i++) {
snprintf(buf, 256, "%s_%d", LTSMIN_LABEL_TYPE_GUARD_PREFIX, i);
lts_type_set_state_label_name (ltstype, i, buf);
lts_type_set_state_label_typeno (ltstype, i, guard_type);
}
if (have_property()) {
lts_type_set_state_label_name (ltstype, nguards, LTSMIN_STATE_LABEL_ACCEPTING);
lts_type_set_state_label_typeno (ltstype, nguards, guard_type);
ctx->accepting_state_label_idx = nguards;
} else {
ctx->accepting_state_label_idx = -1;
}
GBsetLTStype(model, ltstype);
// setting values for types
for(int i=0; i < ntypes; i++) {
int type_value_count = get_state_variable_type_value_count(i);
if (lts_type_get_format(ltstype, i) != LTStypeChunk &&
lts_type_get_format(ltstype, i) != LTStypeEnum) {
Debug ("Skipping type values for non-chunk type %s", lts_type_get_type(ltstype, i));
continue;
}
for(int j=0; j < type_value_count; ++j) {
const char* type_value = get_state_variable_type_value(i, j);
pins_chunk_put_at (model, i, chunk_str((char*)type_value), j);
}
}
lts_type_validate(ltstype);
int ngroups = get_transition_count();
dm_create(dm_info, ngroups, state_length);
dm_create(dm_read_info, ngroups, state_length);
dm_create(dm_actions_read_info, ngroups, state_length);
dm_create(dm_may_write_info, ngroups, state_length);
dm_create(dm_must_write_info, ngroups, state_length);
for(int i=0; i < dm_nrows(dm_info); i++) {
int* proj = (int*)get_transition_read_dependencies(i);
for(int j=0; j<state_length; j++) {
if (proj[j]) {
dm_set(dm_info, i, j);
dm_set(dm_read_info, i, j);
}
}
proj = (int*)get_transition_actions_read_dependencies(i);
for(int j=0; j<state_length; j++) {
if (proj[j]) {
dm_set(dm_actions_read_info, i, j);
}
}
proj = (int*)get_transition_may_write_dependencies(i);
for(int j=0; j<state_length; j++) {
if (proj[j]) {
dm_set(dm_info, i, j);
dm_set(dm_may_write_info, i, j);
}
}
proj = (int*)get_transition_must_write_dependencies(i);
for(int j=0; j<state_length; j++) {
if (proj[j]) {
dm_set(dm_must_write_info, i, j);
}
}
}
GBsetDMInfo(model, dm_info);
GBsetDMInfoRead(model, dm_read_info);
GBsetMatrix(model, LTSMIN_MATRIX_ACTIONS_READS, dm_actions_read_info, PINS_MAY_SET,
PINS_INDEX_GROUP, PINS_INDEX_STATE_VECTOR);
GBsetDMInfoMayWrite(model, dm_may_write_info);
GBsetDMInfoMustWrite(model, dm_must_write_info);
// set state label matrix (accepting label and guards)
get_label_method_t sl_long = NULL;
get_label_all_method_t sl_all = NULL;
dm_create(sl_info, sl_size, state_length);
// if the model exports a property, reserve first for accepting label
if (have_property()) {
for (int i=0; i<state_length; ++i) {
if (strcmp ("LTL_property", lts_type_get_state_name(ltstype, i)) == 0) {
dm_set(sl_info, ctx->accepting_state_label_idx, i);
}
}
}
// if the model has guards, add guards as state labels
if (have_property()) {
// filter the property
sl_long = sl_long_p_g;
sl_all = sl_all_p_g;
} else {
// pass request directly to dynamic lib
sl_long = (get_label_method_t) get_guard;
sl_all = (get_label_all_method_t) get_guard_all;
}
// set the guards per transition group
GBsetGuardsInfo(model, (guard_t**) get_all_guards());
// initialize state label matrix
// assumption, guards come first (0-nguards)
for(int i=0; i < nguards; i++) {
int* guards = (int*)get_guard_matrix(i);
for(int j=0; j<state_length; j++) {
if (guards[j]) dm_set(sl_info, i, j);
}
}
// set guard may be co-enabled relation
if (get_guard_may_be_coenabled_matrix) {
matrix_t *gce_info = RTmalloc(sizeof(matrix_t));
dm_create(gce_info, nguards, nguards);
for(int i=0; i < nguards; i++) {
int* guardce = (int*)get_guard_may_be_coenabled_matrix(i);
for(int j=0; j<nguards; j++) {
if (guardce[j]) dm_set(gce_info, i, j);
}
}
GBsetGuardCoEnabledInfo(model, gce_info);
}
// set guard necessary enabling set info
if (get_guard_nes_matrix) {
matrix_t *gnes_info = RTmalloc(sizeof(matrix_t));
dm_create(gnes_info, nguards, ngroups);
for(int i=0; i < nguards; i++) {
int* guardnes = (int*)get_guard_nes_matrix(i);
for(int j=0; j<ngroups; j++) {
if (guardnes[j]) dm_set(gnes_info, i, j);
}
}
GBsetGuardNESInfo(model, gnes_info);
}
// set guard necessary disabling set info
if (get_guard_nds_matrix) {
matrix_t *gnds_info = RTmalloc(sizeof(matrix_t));
dm_create(gnds_info, nguards, ngroups);
for(int i=0; i < nguards; i++) {
int* guardnds = (int*)get_guard_nds_matrix(i);
for(int j=0; j<ngroups; j++) {
if (guardnds[j]) dm_set(gnds_info, i, j);
}
}
GBsetGuardNDSInfo(model, gnds_info);
}
if (!get_dna_matrix) {
Warning (info, "*** Warning ***");
Warning (info, "You are using an old version of our patched DiVinE compiler.");
Warning (info, "This might influence the performance of partial order reduction negatively.");
Warning (info, "Please download the latest from: http://fmt.cs.utwente.nl/tools/ltsmin/");
Warning (info, "*** Warning ***");
} else {
matrix_t *dna_info = RTmalloc(sizeof(matrix_t));
dm_create(dna_info, ngroups, ngroups);
for(int i=0; i < ngroups; i++) {
int* dna = (int*)get_dna_matrix(i);
for(int j=0; j<ngroups; j++) {
if (dna[j]) dm_set(dna_info, i, j);
}
}
GBsetDoNotAccordInfo(model, dna_info);
}
// set the group implementation
sl_group_t* sl_group_all = RTmallocZero(sizeof(sl_group_t) + sl_size * sizeof(int));
sl_group_all->count = sl_size;
for(int i=0; i < sl_group_all->count; i++) sl_group_all->sl_idx[i] = i;
sl_group_t* sl_group_guards = RTmallocZero(sizeof(sl_group_t) + nguards * sizeof(int));
sl_group_guards->count = nguards;
for(int i=0; i < sl_group_guards->count; i++) sl_group_guards->sl_idx[i] = i;
GBsetStateLabelGroupInfo(model, GB_SL_ALL, sl_group_all);
GBsetStateLabelGroupInfo(model, GB_SL_GUARDS, sl_group_guards);
GBsetStateLabelsGroup(model, sl_group);
GBsetStateLabelInfo(model, sl_info);
if (sl_long != NULL) GBsetStateLabelLong(model, sl_long);
if (sl_all != NULL) GBsetStateLabelsAll(model, sl_all);
// get initial state
int state[state_length];
get_initial_state((char*)state);
GBsetInitialState(model,state);
GBsetNextStateAll (model, (next_method_black_t) get_successors);
GBsetNextStateLong (model, (next_method_grey_t) get_successor);
GBsetActionsLong (model, (next_method_grey_t) get_action);
}
void
ndfs_local_init (run_t *run, wctx_t *ctx)
{
ctx->local = RTmallocZero (sizeof(alg_local_t));
ndfs_local_setup (run, ctx);
}
