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safra: Add bisimulation option

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* src/tests/safra.cc, src/twaalgos/safra.cc,
src/twaalgos/safra.hh: Here.
This commit is contained in:
Alexandre Lewkowicz 2015-06-06 18:41:59 +02:00 • committed by Alexandre Duret-Lutz
parent 64b27a9a26
commit f29de22b8a
3 changed files with 13 additions and 5 deletions
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7
src/tests/safra.cc
View file

@ -42,6 +42,7 @@ int help()
int main(int argc, char* argv[]) int main(int argc, char* argv[])
{ {
bool sim = false;
bool in_hoa = false; bool in_hoa = false;
bool in_ltl = false; bool in_ltl = false;
bool out_dot = true; bool out_dot = true;
@ -74,6 +75,8 @@ int main(int argc, char* argv[])
} }
else if (!strncmp(argv[i], "-p", 2)) else if (!strncmp(argv[i], "-p", 2))
pretty_print = true; pretty_print = true;
else if (!strncmp(argv[i], "-b", 2))
sim = true;
} }
if (!input) if (!input)
@ -92,7 +95,7 @@ int main(int argc, char* argv[])
spot::translator trans(dict); spot::translator trans(dict);
trans.set_pref(spot::postprocessor::Deterministic); trans.set_pref(spot::postprocessor::Deterministic);
auto tmp = trans.run(f); auto tmp = trans.run(f);
res = spot::tgba_determinisation(tmp, pretty_print); res = spot::tgba_determinisation(tmp, sim, pretty_print);
f->destroy(); f->destroy();
} }
else if (in_hoa) else if (in_hoa)
@ -101,7 +104,7 @@ int main(int argc, char* argv[])
auto aut = spot::hoa_parse(input, pel, dict); auto aut = spot::hoa_parse(input, pel, dict);
if (spot::format_hoa_parse_errors(std::cerr, input, pel)) if (spot::format_hoa_parse_errors(std::cerr, input, pel))
return 2; return 2;
res = tgba_determinisation(aut->aut, pretty_print); res = tgba_determinisation(aut->aut, sim, pretty_print);
} }
res->merge_transitions(); res->merge_transitions();

10
src/twaalgos/safra.cc
View file

@ -24,6 +24,7 @@
#include "safra.hh" #include "safra.hh"
#include "twaalgos/degen.hh" #include "twaalgos/degen.hh"
#include "twaalgos/simulation.hh"
namespace spot namespace spot
{ {
@ -60,7 +61,7 @@ namespace spot
std::ostringstream& os, std::vector<unsigned>& idx) std::ostringstream& os, std::vector<unsigned>& idx)
{ {
std::string s = subscript(start); std::string s = subscript(start);
os << '[' << s; os << '{' << s;
std::vector<unsigned> new_idx; std::vector<unsigned> new_idx;
std::vector<unsigned> todo; std::vector<unsigned> todo;
unsigned next = -1U; unsigned next = -1U;
@ -117,7 +118,7 @@ namespace spot
todo_next.clear(); todo_next.clear();
} }
} }
os << s << ']'; os << s << '}';
} }
// Returns true if lhs has a smaller nesting pattern than rhs // Returns true if lhs has a smaller nesting pattern than rhs
@ -367,7 +368,8 @@ namespace spot
} }
twa_graph_ptr twa_graph_ptr
tgba_determinisation(const const_twa_graph_ptr& a, bool pretty_print) tgba_determinisation(const const_twa_graph_ptr& a, bool bisimulation,
bool pretty_print)
{ {
// Degeneralize // Degeneralize
const_twa_graph_ptr aut; const_twa_graph_ptr aut;
@ -473,6 +475,8 @@ namespace spot
res->set_acceptance(sets, acc_cond::acc_code::parity(false, false, sets)); res->set_acceptance(sets, acc_cond::acc_code::parity(false, false, sets));
res->prop_deterministic(true); res->prop_deterministic(true);
res->prop_state_based_acc(false); res->prop_state_based_acc(false);
if (bisimulation)
res = simulation(res);
if (pretty_print) if (pretty_print)
res->set_named_prop("state-names", print_debug(seen)); res->set_named_prop("state-names", print_debug(seen));
return res; return res;

1
src/twaalgos/safra.hh
View file

@ -73,5 +73,6 @@ namespace spot
SPOT_API twa_graph_ptr SPOT_API twa_graph_ptr
tgba_determinisation(const const_twa_graph_ptr& aut, tgba_determinisation(const const_twa_graph_ptr& aut,
bool bisimulation = false,
bool pretty_print = false); bool pretty_print = false);
} }