Store membership to acceptance sets using bitsets, not BDDs.

This is a huge patch, that took over a month to complete.  The bit sets
are currently restricted to what 'unsigned can store', but it should be
easy to extend it to 'uint64_t' should we need it.

* NEWS: Update.
* src/tgba/acc.hh: New file.
* src/tgbatest/acc.cc, src/tgbatest/acc.test: Test it.
* src/tgba/tgbakvcomplement.cc, src/tgba/tgbakvcomplement.hh,
src/tgba/tgbasgba.cc, src/tgba/tgbasgba.hh: Delete.  The KV
complementation is too slow to be used in practice, and I somehow broke
it during the conversion to bitsets.  The tgba->sgba conversion was only
used for the KV complementation, and should be better redone on
tgba_digraph_ptr should it be needed again.
* src/bin/ltlcross.cc, src/dstarparse/dra2ba.cc,
src/dstarparse/nsa2tgba.cc, src/graphtest/tgbagraph.cc,
src/graphtest/tgbagraph.test, src/kripke/fairkripke.cc,
src/kripke/fairkripke.hh, src/kripke/kripke.cc, src/kripke/kripke.hh,
src/kripke/kripkeexplicit.cc, src/kripke/kripkeexplicit.hh,
src/misc/hash.hh, src/neverparse/neverclaimparse.yy, src/priv/accmap.hh,
src/ta/ta.cc, src/ta/ta.hh, src/ta/taexplicit.cc, src/ta/taexplicit.hh,
src/ta/taproduct.cc, src/ta/taproduct.hh, src/ta/tgta.cc,
src/ta/tgta.hh, src/ta/tgtaexplicit.cc, src/ta/tgtaexplicit.hh,
src/ta/tgtaproduct.cc, src/ta/tgtaproduct.hh, src/taalgos/dotty.cc,
src/taalgos/emptinessta.cc, src/taalgos/minimize.cc,
src/taalgos/tgba2ta.cc, src/tgba/Makefile.am, src/tgba/fwd.hh,
src/tgba/taatgba.cc, src/tgba/taatgba.hh, src/tgba/tgba.cc,
src/tgba/tgba.hh, src/tgba/tgbagraph.cc, src/tgba/tgbagraph.hh,
src/tgba/tgbamask.cc, src/tgba/tgbamask.hh, src/tgba/tgbaproduct.cc,
src/tgba/tgbaproduct.hh, src/tgba/tgbaproxy.cc, src/tgba/tgbaproxy.hh,
src/tgba/tgbasafracomplement.cc, src/tgba/tgbasafracomplement.hh,
src/tgbaalgos/bfssteps.cc, src/tgbaalgos/complete.cc,
src/tgbaalgos/compsusp.cc, src/tgbaalgos/degen.cc,
src/tgbaalgos/dotty.cc, src/tgbaalgos/dtbasat.cc,
src/tgbaalgos/dtgbacomp.cc, src/tgbaalgos/dtgbasat.cc,
src/tgbaalgos/dupexp.cc, src/tgbaalgos/emptiness.cc,
src/tgbaalgos/emptiness.hh, src/tgbaalgos/gtec/ce.cc,
src/tgbaalgos/gtec/gtec.cc, src/tgbaalgos/gtec/gtec.hh,
src/tgbaalgos/gtec/sccstack.cc, src/tgbaalgos/gtec/sccstack.hh,
src/tgbaalgos/gv04.cc, src/tgbaalgos/hoaf.cc,
src/tgbaalgos/isweakscc.cc, src/tgbaalgos/lbtt.cc,
src/tgbaalgos/ltl2tgba_fm.cc, src/tgbaalgos/magic.cc,
src/tgbaalgos/ndfs_result.hxx, src/tgbaalgos/neverclaim.cc,
src/tgbaalgos/postproc.cc, src/tgbaalgos/powerset.cc,
src/tgbaalgos/randomgraph.cc, src/tgbaalgos/randomgraph.hh,
src/tgbaalgos/reducerun.cc, src/tgbaalgos/replayrun.cc,
src/tgbaalgos/safety.cc, src/tgbaalgos/save.cc, src/tgbaalgos/scc.cc,
src/tgbaalgos/scc.hh, src/tgbaalgos/sccfilter.cc,
src/tgbaalgos/sccinfo.cc, src/tgbaalgos/sccinfo.hh,
src/tgbaalgos/se05.cc, src/tgbaalgos/simulation.cc,
src/tgbaalgos/simulation.hh, src/tgbaalgos/stats.cc,
src/tgbaalgos/stripacc.cc, src/tgbaalgos/tau03.cc,
src/tgbaalgos/tau03opt.cc, src/tgbaalgos/weight.cc,
src/tgbaalgos/weight.hh, src/tgbaparse/tgbaparse.yy,
src/tgbatest/Makefile.am, src/tgbatest/complementation.cc,
src/tgbatest/complementation.test, src/tgbatest/degenlskip.test,
src/tgbatest/det.test, src/tgbatest/dstar.test, src/tgbatest/emptchk.cc,
src/tgbatest/explpro2.test, src/tgbatest/explpro3.test,
src/tgbatest/explpro4.test, src/tgbatest/explprod.test,
src/tgbatest/ltl2tgba.cc, src/tgbatest/ltl2tgba.test,
src/tgbatest/maskacc.cc, src/tgbatest/maskacc.test,
src/tgbatest/neverclaimread.test, src/tgbatest/randtgba.cc,
src/tgbatest/readsave.test, src/tgbatest/sim.test,
src/tgbatest/sim2.test, src/tgbatest/spotlbtt.test,
src/tgbatest/tgbaread.test, src/tgbatest/tripprod.test,
iface/dve2/dve2.cc: Adjust or use to the new acceptance interface.
This commit is contained in:
Alexandre Duret-Lutz 2014-09-29 18:17:34 +02:00
parent 37ece2b878
commit 2c764fb3c7
125 changed files with 1950 additions and 3254 deletions

View file

@ -106,9 +106,8 @@ namespace spot
if (label.empty())
label = "{}";
label += ("\n" +
bdd_format_accset(d, si->current_acceptance_conditions()));
label += "\n";
label += t_automata_->acc().format(si->current_acceptance_conditions());
os_ << " " << in << " -> " << out << " [label=\"";
escape_str(os_, label);

View file

@ -54,7 +54,7 @@ namespace spot
// * scc: (attribute) a stack of strongly connected components (SCC)
// * arc, a stack of acceptance conditions between each of these SCC,
std::stack<bdd> arc;
std::stack<acc_cond::mark_t> arc;
// * h: a hash of all visited nodes, with their order,
// (it is called "Hash" in Couvreur's paper)
@ -113,7 +113,7 @@ namespace spot
}
scc.push(++num);
arc.push(bddfalse);
arc.push(0U);
ta_succ_iterator_product* iter = a_->succ_iter(init);
iter->first();
@ -194,7 +194,7 @@ namespace spot
// Fetch the values destination state we are interested in...
state* dest = succ->current_state();
bdd acc_cond = succ->current_acceptance_conditions();
auto acc_cond = succ->current_acceptance_conditions();
bool curr_is_livelock_hole_state_in_ta_component =
(a_->is_hole_state_in_ta_component(curr))
@ -284,8 +284,8 @@ namespace spot
scc.top().condition |= acc_cond;
scc.rem().splice(scc.rem().end(), rem);
bool is_accepting_sscc = (scc.top().is_accepting)
|| (scc.top().condition == a_->all_acceptance_conditions());
bool is_accepting_sscc = scc.top().is_accepting
|| a_->acc().accepting(scc.top().condition);
if (is_accepting_sscc)
{
@ -294,25 +294,14 @@ namespace spot
<< a_->is_livelock_accepting_state(curr) << '\n';
trace
<< "PASS 1: scc.top().condition : "
<< bdd_format_accset(a_->get_dict(), scc.top().condition)
<< '\n';
<< scc.top().condition << '\n';
trace
<< "PASS 1: a_->all_acceptance_conditions() : "
<< (a_->all_acceptance_conditions()) << '\n';
<< "PASS 1: a_->acc().all_sets() : "
<< (a_->acc().all_sets()) << '\n';
trace
<< ("PASS 1 CYCLE and (scc.top().condition == "
"a_->all_acceptance_conditions()) : ")
<< (scc.top().condition
== a_->all_acceptance_conditions()) << std::endl;
trace
<< "PASS 1: bddtrue: " << (a_->all_acceptance_conditions()
== bddtrue) << '\n';
trace
<< "PASS 1: bddfalse: " << (a_->all_acceptance_conditions()
== bddfalse) << '\n';
<< ("PASS 1 CYCLE and accepting? ")
<< a_->acc().accepting(scc.top().condition)
<< std::endl;
clear(h, todo, ta_init_it_);
return true;
}

View file

@ -64,127 +64,149 @@ namespace spot
return out;
}
static std::string
format_hash_set(const hash_set* hs, const const_ta_ptr& aut)
{
std::ostringstream s;
dump_hash_set(hs, aut, s);
return s.str();
}
static std::string
format_hash_set(const hash_set* hs, const const_ta_ptr& aut)
{
std::ostringstream s;
dump_hash_set(hs, aut, s);
return s.str();
}
// From the base automaton and the list of sets, build the minimal
// automaton
static void
build_result(const const_ta_ptr& a, std::list<hash_set*>& sets,
tgba_digraph_ptr result_tgba, const ta_explicit_ptr& result)
{
// For each set, create a state in the tgbaulting automaton.
// For a state s, state_num[s] is the number of the state in the minimal
// automaton.
hash_map state_num;
std::list<hash_set*>::iterator sit;
unsigned num = 0;
for (sit = sets.begin(); sit != sets.end(); ++sit)
{
hash_set::iterator hit;
hash_set* h = *sit;
for (hit = h->begin(); hit != h->end(); ++hit)
state_num[*hit] = num;
result_tgba->new_state();
++num;
}
// From the base automaton and the list of sets, build the minimal
// automaton
static void
build_result(const const_ta_ptr& a, std::list<hash_set*>& sets,
tgba_digraph_ptr result_tgba, const ta_explicit_ptr& result)
{
// For each set, create a state in the tgbaulting automaton.
// For a state s, state_num[s] is the number of the state in the minimal
// automaton.
hash_map state_num;
std::list<hash_set*>::iterator sit;
unsigned num = 0;
for (sit = sets.begin(); sit != sets.end(); ++sit)
{
hash_set::iterator hit;
hash_set* h = *sit;
for (hit = h->begin(); hit != h->end(); ++hit)
state_num[*hit] = num;
result_tgba->new_state();
++num;
}
// For each transition in the initial automaton, add the corresponding
// transition in ta.
// For each transition in the initial automaton, add the corresponding
// transition in ta.
for (sit = sets.begin(); sit != sets.end(); ++sit)
{
hash_set::iterator hit;
hash_set* h = *sit;
hit = h->begin();
const state* src = *hit;
unsigned src_num = state_num[src];
for (sit = sets.begin(); sit != sets.end(); ++sit)
{
hash_set::iterator hit;
hash_set* h = *sit;
hit = h->begin();
const state* src = *hit;
unsigned src_num = state_num[src];
bdd tgba_condition = bddtrue;
bool is_initial_state = a->is_initial_state(src);
if ((a->get_artificial_initial_state() == 0) && is_initial_state)
tgba_condition = a->get_state_condition(src);
bool is_accepting_state = a->is_accepting_state(src);
bool is_livelock_accepting_state =
a->is_livelock_accepting_state(src);
bdd tgba_condition = bddtrue;
bool is_initial_state = a->is_initial_state(src);
if ((a->get_artificial_initial_state() == 0) && is_initial_state)
tgba_condition = a->get_state_condition(src);
bool is_accepting_state = a->is_accepting_state(src);
bool is_livelock_accepting_state =
a->is_livelock_accepting_state(src);
state_ta_explicit* new_src =
new state_ta_explicit(result_tgba->state_from_number(src_num),
tgba_condition, is_initial_state,
is_accepting_state,
is_livelock_accepting_state);
state_ta_explicit* new_src =
new state_ta_explicit(result_tgba->state_from_number(src_num),
tgba_condition, is_initial_state,
is_accepting_state,
is_livelock_accepting_state);
state_ta_explicit* ta_src = result->add_state(new_src);
state_ta_explicit* ta_src = result->add_state(new_src);
if (ta_src != new_src)
{
delete new_src;
}
else if (a->get_artificial_initial_state() != 0)
{
if (a->get_artificial_initial_state() == src)
result->set_artificial_initial_state(new_src);
}
else if (is_initial_state)
{
result->add_to_initial_states_set(new_src);
}
if (ta_src != new_src)
{
delete new_src;
}
else if (a->get_artificial_initial_state() != 0)
{
if (a->get_artificial_initial_state() == src)
result->set_artificial_initial_state(new_src);
}
else if (is_initial_state)
{
result->add_to_initial_states_set(new_src);
}
ta_succ_iterator* succit = a->succ_iter(src);
ta_succ_iterator* succit = a->succ_iter(src);
for (succit->first(); !succit->done(); succit->next())
{
const state* dst = succit->current_state();
hash_map::const_iterator i = state_num.find(dst);
for (succit->first(); !succit->done(); succit->next())
{
const state* dst = succit->current_state();
hash_map::const_iterator i = state_num.find(dst);
if (i == state_num.end()) // Ignore useless destinations.
continue;
if (i == state_num.end()) // Ignore useless destinations.
continue;
bdd tgba_condition = bddtrue;
is_initial_state = a->is_initial_state(dst);
if ((a->get_artificial_initial_state() == 0) && is_initial_state)
tgba_condition = a->get_state_condition(dst);
bool is_accepting_state = a->is_accepting_state(dst);
bool is_livelock_accepting_state =
a->is_livelock_accepting_state(dst);
bdd tgba_condition = bddtrue;
is_initial_state = a->is_initial_state(dst);
if ((a->get_artificial_initial_state() == 0) && is_initial_state)
tgba_condition = a->get_state_condition(dst);
bool is_accepting_state = a->is_accepting_state(dst);
bool is_livelock_accepting_state =
a->is_livelock_accepting_state(dst);
state_ta_explicit* new_dst =
new state_ta_explicit(result_tgba->state_from_number(i->second),
tgba_condition, is_initial_state,
is_accepting_state,
is_livelock_accepting_state);
state_ta_explicit* new_dst =
new state_ta_explicit
(result_tgba->state_from_number(i->second),
tgba_condition, is_initial_state,
is_accepting_state,
is_livelock_accepting_state);
state_ta_explicit* ta_dst = result->add_state(new_dst);
state_ta_explicit* ta_dst = result->add_state(new_dst);
if (ta_dst != new_dst)
{
delete new_dst;
}
else if (a->get_artificial_initial_state() != 0)
{
if (a->get_artificial_initial_state() == dst)
result->set_artificial_initial_state(new_dst);
}
if (ta_dst != new_dst)
{
delete new_dst;
}
else if (a->get_artificial_initial_state() != 0)
{
if (a->get_artificial_initial_state() == dst)
result->set_artificial_initial_state(new_dst);
}
else if (is_initial_state)
result->add_to_initial_states_set(new_dst);
else if (is_initial_state)
result->add_to_initial_states_set(new_dst);
result->create_transition(ta_src, succit->current_condition(),
succit->current_acceptance_conditions(),
ta_dst);
}
delete succit;
}
}
result->create_transition
(ta_src, succit->current_condition(),
succit->current_acceptance_conditions(),
ta_dst);
}
delete succit;
}
}
static partition_t
build_partition(const const_ta_ptr& ta_)
{
unsigned num_sets = ta_->acc().num_sets();
std::map<acc_cond::mark_t, bdd> m2b;
int acc_vars = ta_->get_dict()->register_anonymous_variables(num_sets,
&m2b);
auto mark_to_bdd = [&](acc_cond::mark_t m) -> bdd
{
auto i = m2b.find(m);
if (i != m2b.end())
return i->second;
bdd res = bddtrue;
for (unsigned n = 0; n < num_sets; ++n)
if (m.has(n))
res &= bdd_ithvar(acc_vars + n);
else
res &= bdd_nithvar(acc_vars + n);
m2b.emplace_hint(i, m, res);
return res;
};
partition_t cur_run;
partition_t next_run;
@ -237,7 +259,7 @@ namespace spot
// Use bdd variables to number sets. set_num is the first variable
// available.
unsigned set_num =
ta_->get_dict()->register_anonymous_variables(size, ta_);
ta_->get_dict()->register_anonymous_variables(size, &m2b);
std::set<int> free_var;
for (unsigned i = set_num; i < set_num + size; ++i)
@ -335,6 +357,7 @@ namespace spot
delete S;
}
// A bdd_states_map is a list of formulae (in a BDD form)
// associated with a destination set of states.
typedef std::map<bdd, hash_set*, bdd_less_than> bdd_states_map;
@ -372,13 +395,10 @@ namespace spot
hash_map::const_iterator i = state_set_map.find(dst);
assert(i != state_set_map.end());
bdd current_acceptance_conditions =
si->current_acceptance_conditions();
if (current_acceptance_conditions == bddfalse)
current_acceptance_conditions
= bdd_false_acceptance_condition;
f |= (bdd_ithvar(i->second) & si->current_condition()
& current_acceptance_conditions);
auto curacc =
mark_to_bdd(si->current_acceptance_conditions());
f |= (bdd_ithvar(i->second)
& si->current_condition() & curacc);
trace
<< "+f: " << bdd_format_accset(ta_->get_dict(), f)
<< "\n -bdd_ithvar(i->second): "
@ -388,9 +408,8 @@ namespace spot
<< bdd_format_accset(ta_->get_dict(),
si->current_condition())
<< "\n -current_acceptance_conditions: "
<< bdd_format_accset(ta_->get_dict(),
current_acceptance_conditions)
<< std::endl;
<< si->current_acceptance_conditions()
<< std::endl;
}
delete si;
@ -480,6 +499,7 @@ namespace spot
trace << std::endl;
#endif
ta_->get_dict()->unregister_all_my_variables(&m2b);
return done;
}
}
@ -489,7 +509,7 @@ namespace spot
{
auto tgba = make_tgba_digraph(ta_->get_dict());
auto res = make_ta_explicit(tgba, ta_->all_acceptance_conditions(), 0);
auto res = make_ta_explicit(tgba, ta_->acc().num_sets(), 0);
partition_t partition = build_partition(ta_);
@ -509,7 +529,7 @@ namespace spot
{
auto tgba = make_tgba_digraph(tgta_->get_dict());
auto res = make_tgta_explicit(tgba, tgta_->all_acceptance_conditions(), 0);
auto res = make_tgta_explicit(tgba, tgta_->acc().num_sets(), 0);
auto ta = tgta_->get_ta();

View file

@ -148,7 +148,7 @@ namespace spot
}
static void
compute_livelock_acceptance_states(const ta_explicit_ptr& testing_automata,
compute_livelock_acceptance_states(const ta_explicit_ptr& testing_aut,
bool single_pass_emptiness_check,
state_ta_explicit*
artificial_livelock_acc_state)
@ -158,7 +158,7 @@ namespace spot
scc_stack_ta sscc;
// * arc, a stack of acceptance conditions between each of these SCC,
std::stack<bdd> arc;
std::stack<acc_cond::mark_t> arc;
// * h: a hash of all visited nodes, with their order,
// (it is called "Hash" in Couvreur's paper)
@ -180,7 +180,7 @@ namespace spot
// * init: the set of the depth-first search initial states
std::stack<state*> init_set;
for (state* s: testing_automata->get_initial_states_set())
for (state* s: testing_aut->get_initial_states_set())
init_set.push(s);
while (!init_set.empty())
@ -199,10 +199,10 @@ namespace spot
}
sscc.push(++num);
arc.push(bddfalse);
arc.push(0U);
sscc.top().is_accepting
= testing_automata->is_accepting_state(init);
tgba_succ_iterator* iter = testing_automata->succ_iter(init);
= testing_aut->is_accepting_state(init);
tgba_succ_iterator* iter = testing_aut->succ_iter(init);
iter->first();
todo.emplace(init, iter);
}
@ -243,10 +243,9 @@ namespace spot
// removing states
std::list<state*>::iterator i;
bool is_livelock_accepting_sscc = (sscc.rem().size() > 1)
&& ((sscc.top().is_accepting)
|| (sscc.top().condition ==
testing_automata->all_acceptance_conditions()));
&& ((sscc.top().is_accepting) ||
(testing_aut->acc().
accepting(sscc.top().condition)));
trace << "*** sscc.size() = ***" << sscc.size() << '\n';
for (auto j: sscc.rem())
{
@ -257,7 +256,7 @@ namespace spot
// if it is an accepting sscc add the state to
// G (=the livelock-accepting states set)
trace << "*** sscc.size() > 1: states: ***"
<< testing_automata->format_state(j)
<< testing_aut->format_state(j)
<< '\n';
state_ta_explicit* livelock_accepting_state =
down_cast<state_ta_explicit*>(j);
@ -283,7 +282,7 @@ namespace spot
}
// automata reduction
testing_automata->delete_stuttering_and_hole_successors(curr);
testing_aut->delete_stuttering_and_hole_successors(curr);
delete succ;
// Do not delete CURR: it is a key in H.
@ -293,7 +292,7 @@ namespace spot
// Fetch the values destination state we are interested in...
state* dest = succ->current_state();
bdd acc_cond = succ->current_acceptance_conditions();
auto acc_cond = succ->current_acceptance_conditions();
// ... and point the iterator to the next successor, for
// the next iteration.
succ->next();
@ -301,8 +300,8 @@ namespace spot
// Are we going to a new state through a stuttering transition?
bool is_stuttering_transition =
testing_automata->get_state_condition(curr)
== testing_automata->get_state_condition(dest);
testing_aut->get_state_condition(curr)
== testing_aut->get_state_condition(dest);
auto id = h.find(dest);
// Is this a new state?
@ -321,9 +320,9 @@ namespace spot
sscc.push(num);
arc.push(acc_cond);
sscc.top().is_accepting =
testing_automata->is_accepting_state(dest);
testing_aut->is_accepting_state(dest);
tgba_succ_iterator* iter = testing_automata->succ_iter(dest);
tgba_succ_iterator* iter = testing_aut->succ_iter(dest);
iter->first();
todo.emplace(dest, iter);
continue;
@ -342,9 +341,8 @@ namespace spot
down_cast<state_ta_explicit*> (curr);
assert(self_loop_state);
if (testing_automata->is_accepting_state(self_loop_state)
|| (acc_cond
== testing_automata->all_acceptance_conditions()))
if (testing_aut->is_accepting_state(self_loop_state)
|| (testing_aut->acc().accepting(acc_cond)))
{
self_loop_state->set_livelock_accepting_state(true);
if (single_pass_emptiness_check)
@ -404,7 +402,7 @@ namespace spot
if ((artificial_livelock_acc_state != 0)
|| single_pass_emptiness_check)
transform_to_single_pass_automaton(testing_automata,
transform_to_single_pass_automaton(testing_aut,
artificial_livelock_acc_state);
}
@ -429,7 +427,7 @@ namespace spot
tgba_succ_iterator* it = tgba_->succ_iter(tgba_init_state);
it->first();
if (!it->done())
is_acc = it->current_acceptance_conditions() != bddfalse;
is_acc = it->current_acceptance_conditions() != 0U;
delete it;
}
@ -462,7 +460,7 @@ namespace spot
{
const state* tgba_state = tgba_succ_it->current_state();
bdd tgba_condition = tgba_succ_it->current_condition();
bdd tgba_acceptance_conditions =
acc_cond::mark_t tgba_acceptance_conditions =
tgba_succ_it->current_acceptance_conditions();
bdd satone_tgba_condition;
while ((satone_tgba_condition =
@ -481,7 +479,7 @@ namespace spot
tgba_succ_iterator* it = tgba_->succ_iter(tgba_state);
it->first();
if (!it->done())
is_acc = it->current_acceptance_conditions() != bddfalse;
is_acc = it->current_acceptance_conditions() != 0U;
delete it;
}
@ -554,12 +552,12 @@ namespace spot
state_ta_explicit* artificial_init_state =
new state_ta_explicit(tgba_init_state->clone(), bddfalse, true);
ta = make_ta_explicit(tgba_, tgba_->all_acceptance_conditions(),
ta = make_ta_explicit(tgba_, tgba_->acc().num_sets(),
artificial_init_state);
}
else
{
ta = make_ta_explicit(tgba_, tgba_->all_acceptance_conditions());
ta = make_ta_explicit(tgba_, tgba_->acc().num_sets());
}
tgba_init_state->destroy();
@ -586,10 +584,7 @@ namespace spot
for (it_trans = trans->begin(); it_trans != trans->end();
++it_trans)
{
(*it_trans)->acceptance_conditions
= ta->all_acceptance_conditions();
}
(*it_trans)->acceptance_conditions = ta->acc().all_sets();
state->set_accepting_state(false);
}
@ -606,7 +601,7 @@ namespace spot
bddfalse, true);
tgba_init_state->destroy();
auto tgta = make_tgta_explicit(tgba_, tgba_->all_acceptance_conditions(),
auto tgta = make_tgta_explicit(tgba_, tgba_->acc().num_sets(),
artificial_init_state);
// build a Generalized TA automaton involving a single_pass_emptiness_check
@ -644,13 +639,13 @@ namespace spot
if (trans_empty || state->is_accepting_state())
{
ta->create_transition(state, bdd_stutering_transition,
ta->all_acceptance_conditions(), state);
ta->acc().all_sets(), state);
}
}
if (state->compare(ta->get_artificial_initial_state()))
ta->create_transition(state, bdd_stutering_transition,
bddfalse, state);
0U, state);
state->set_livelock_accepting_state(false);
state->set_accepting_state(false);