NodeList_ptr SymbLayer_iter_to_list(const SymbLayer_ptr self, SymbLayerIter iter)
{
NodeList_ptr res = NodeList_create();
while (!SymbLayer_iter_is_end(self, &iter)) {
NodeList_append(res, SymbLayer_iter_get_symbol(self, &iter));
SymbLayer_iter_next(self, &iter);
}
return res;
}
/**Function********************************************************************
Synopsis [Prints statistical information of a formula.]
Description [Prints statistical information about a given formula.
It is computed taking care of the encoding and of the
indifferent variables in the encoding.]
SideEffects []
SeeAlso []
******************************************************************************/
void BddEnc_print_formula_info(BddEnc_ptr self,
Expr_ptr formula,
boolean print_models,
boolean print_formula,
FILE* out)
{
bdd_ptr phi;
double cardinality;
phi = BddEnc_expr_to_bdd(self, formula, Nil);
cardinality = BddEnc_get_minterms_of_bdd(self, phi);
fprintf(out, "formula models: %g (2^%g)\n",
cardinality, log(cardinality)/log(2.0));
/* one of these flags can be enabled, not both */
nusmv_assert(!print_models || !print_formula);
if (print_models) {
BddEnc_print_set_of_trans_models(self, phi, /* false, */ out);
}
else if (print_formula) {
BoolEnc_ptr benc = BoolEncClient_get_bool_enc(BOOL_ENC_CLIENT(self));
const array_t* layer_names =
BaseEnc_get_committed_layer_names(BASE_ENC(self));
SymbTable_ptr st = BaseEnc_get_symb_table(BASE_ENC(self));
NodeList_ptr all_vars = SymbTable_get_layers_sf_vars(st, layer_names);
NodeList_ptr scalar_vars = NodeList_create();
ListIter_ptr iter;
/* encoding variables are not allowed in the wff printer */
NODE_LIST_FOREACH(all_vars, iter) {
node_ptr v = NodeList_get_elem_at(all_vars, iter);
if (BoolEnc_is_var_bit(benc, v)) continue;
NodeList_append(scalar_vars, v);
}
NodeList_destroy(all_vars);
fprintf(nusmv_stdout, "\nFORMULA = \n");
BddEnc_print_bdd_wff(self, phi, scalar_vars,
true, false, 0, out);
NodeList_destroy(scalar_vars);
}
int Compass_write_sigref(NuSMVEnv_ptr env,
BddFsm_ptr fsm,
FILE* sigref_file,
FILE* prob_file, /* can be NULL */
FILE* ap_file, /* can be NULL */
Expr_ptr tau, /* can be NULL */
boolean do_indent /* Beautify the XML output */
)
{
BddEnc_ptr enc = BddFsm_get_bdd_encoding(fsm);
DDMgr_ptr dd = BddEnc_get_dd_manager(enc);
const NodeMgr_ptr nodemgr =
NODE_MGR(NuSMVEnv_get_value(env, ENV_NODE_MGR));
const TypeChecker_ptr tc = BaseEnc_get_type_checker(BASE_ENC(enc));
NodeList_ptr ap_list_add = NODE_LIST(NULL);
NodeList_ptr probs_list = NULL;
NodeList_ptr ap_list = NULL;
int retval = 0;
add_ptr prob_add;
add_ptr init_add;
add_ptr trans_add;
add_ptr tau_add;
bdd_ptr bdd_trans;
bdd_ptr state_mask = NULL;
bdd_ptr input_mask = NULL;
bdd_ptr next_state_mask = NULL;
bdd_ptr next_and_curr_state_mask = NULL;
/* preprocessing of the parameters */
/* tau */
if (EXPR(NULL) != tau) {
tau = Compile_FlattenSexp(BaseEnc_get_symb_table(BASE_ENC(enc)),
car(tau) /* gets rid of SIMPWFF */,
Nil);
}
/* prob_file */
if (NULL != prob_file) {
ParserProb_ptr pl_parser = NULL;
pl_parser = ParserProb_create(env);
ParserProb_parse_from_file(pl_parser, prob_file);
probs_list = ParserProb_get_prob_list(pl_parser);
if (NODE_LIST(NULL) != probs_list) {
Compass_check_prob_list(tc, probs_list);
}
ParserProb_destroy(pl_parser);
}
/* ap_file */
if (NULL != ap_file) {
ParserAp_ptr ap_parser = NULL;
ap_parser = ParserAp_create(env);
ParserAp_parse_from_file(ap_parser, ap_file);
ap_list = ParserAp_get_ap_list(ap_parser);
if (NODE_LIST(NULL) != ap_list) {
Compass_check_ap_list(tc, ap_list);
}
ParserAp_destroy(ap_parser);
}
/* collects all required pieces */
state_mask = BddEnc_get_state_frozen_vars_mask_bdd(enc);
input_mask = BddEnc_get_input_vars_mask_bdd(enc);
next_state_mask = BddEnc_state_var_to_next_state_var(enc, state_mask);
next_and_curr_state_mask = bdd_and(dd, state_mask, next_state_mask);
{ /* calculates the initial states */
bdd_ptr bdd_init = BddFsm_get_init(fsm);
bdd_ptr bdd_sinvar = BddFsm_get_state_constraints(fsm);
bdd_ptr bdd_iinvar = BddFsm_get_input_constraints(fsm);
bdd_and_accumulate(dd, &bdd_init, bdd_sinvar);
bdd_and_accumulate(dd, &bdd_init, bdd_iinvar);
bdd_and_accumulate(dd, &bdd_init, state_mask);
init_add = bdd_to_add(dd, bdd_init);
bdd_free(dd, bdd_iinvar);
bdd_free(dd, bdd_sinvar);
bdd_free(dd, bdd_init);
}
{ /* to control dynamic reordering */
dd_reorderingtype method;
int dd_reord_status;
/* Dynamic reordering during monolithic trans can improve performances */
dd_reord_status = dd_reordering_status(dd, &method);
dd_autodyn_enable(dd, method);
{ /* calculates the transition relation */
bdd_ptr bdd_sinvar = BddFsm_get_state_constraints(fsm);
bdd_ptr bdd_nsinvar = BddEnc_state_var_to_next_state_var(enc, bdd_sinvar);
bdd_ptr bdd_iinvar = BddFsm_get_input_constraints(fsm);
bdd_trans = BddFsm_get_monolithic_trans_bdd(fsm);
bdd_and_accumulate(dd, &bdd_trans, bdd_sinvar);
bdd_and_accumulate(dd, &bdd_trans, bdd_nsinvar);
bdd_and_accumulate(dd, &bdd_trans, bdd_iinvar);
bdd_and_accumulate(dd, &bdd_trans, next_and_curr_state_mask);
bdd_and_accumulate(dd, &bdd_trans, input_mask);
/* #define DEBUG_TRANS */
#ifdef DEBUG_TRANS
FILE * p = stdout; // fopen("TRANS.txt", "w");
fprintf(p, "==================================================\n");
fprintf(p, "TRANS\n");
fprintf(p, "==================================================\n");
// print_trans(enc, bdd_trans, p);
dd_printminterm(dd, bdd_trans);
fprintf(p, "==================================================\n");
dd_printminterm(dd, input_mask);
fprintf(p, "==================================================\n");
// fclose(p);
#endif
trans_add = bdd_to_add(dd, bdd_trans);
bdd_free(dd, bdd_iinvar);
bdd_free(dd, bdd_nsinvar);
bdd_free(dd, bdd_sinvar);
}
/* Dynamic reordering is disabled after monolitic
construction. Later it will be re-enabled if it was enable
before entering this block */
dd_autodyn_disable(dd);
/* probability and tau are optional */
if (probs_list != NODE_LIST(NULL)) {
prob_add = Compass_process_prob_list(enc, probs_list, bdd_trans);
}
else prob_add = (add_ptr) NULL;
bdd_free(dd, bdd_trans);
if (tau != (Expr_ptr) NULL) {
tau_add = BddEnc_expr_to_add(enc, tau, Nil);
/* [RC]: This code was disable because it seems masks for input
* var do not work */
/* mask_tau_add = BddEnc_apply_input_vars_mask_add(enc, tau_add); */
/* add_free(dd, tau_add); */
/* tau_add = mask_tau_add; */
}
else
tau_add = (add_ptr) NULL;
if (NODE_LIST(NULL) != ap_list) {
add_ptr expr_add, expr_add_mask;
ListIter_ptr iter;
ap_list_add = NodeList_create();
NODE_LIST_FOREACH(ap_list, iter) {
node_ptr ap_el = (node_ptr)NodeList_get_elem_at(ap_list, iter);
node_ptr lab = car(ap_el);
node_ptr expr = cdr(ap_el);
expr_add = BddEnc_expr_to_add(enc, expr, Nil);
expr_add_mask = BddEnc_apply_state_frozen_vars_mask_add(enc, expr_add);
NodeList_append(ap_list_add, cons(nodemgr, lab, (node_ptr)expr_add_mask));
add_free(dd, expr_add);
/* The expr_add_mask will be freed later when the ap_list_add
will be destroyed */
}
}