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ltlsynt: fix lar.old implementation

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* bin/ltlsynt.cc: Make sure to_parity_old() receive a deterministic
automaton, for correctness.   Also call reduce_parity() afterward,
to match what was done in 2.8.7.
* tests/core/ltlsynt.test: Include lar.old in the comparison of all
results to make sure it give the same result as the other 3
algorithms.
This commit is contained in:
Alexandre Duret-Lutz 2020-04-25 16:29:03 +02:00
parent a6da6ed95a
commit fe340ae8db
2 changed files with 15 additions and 8 deletions
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17
bin/ltlsynt.cc
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@ -1,5 +1,5 @@
// -*- coding: utf-8 -*-
// Copyright (C) 2017-2019 Laboratoire de Recherche et Développement
// Copyright (C) 2017-2020 Laboratoire de Recherche et Développement
// de l'Epita (LRDE).
//
// This file is part of Spot, a model checking library.
@ -286,7 +286,7 @@ namespace
spot::process_timer timer;
timer.start();
if (opt_solver == LAR)
if (opt_solver == LAR || opt_solver == LAR_OLD)
{
trans_.set_type(spot::postprocessor::Generic);
trans_.set_pref(spot::postprocessor::Deterministic);
@ -361,10 +361,17 @@ namespace
std::cerr << "split inputs and outputs done\nautomaton has "
<< dpa->num_states() << " states\n";
if (opt_solver == LAR)
dpa = spot::to_parity(dpa);
{
dpa = spot::to_parity(dpa);
// reduce_parity is called by to_parity(),
// but with colorization turned off.
spot::colorize_parity_here(dpa, true);
}
else
dpa = spot::to_parity_old(dpa);
spot::colorize_parity_here(dpa, true);
{
dpa = spot::to_parity_old(dpa);
dpa = reduce_parity_here(dpa, true);
}
spot::change_parity_here(dpa, spot::parity_kind_max,
spot::parity_style_odd);
if (verbose)