Commit 9f81df2c authored by Alexandre Duret-Lutz's avatar Alexandre Duret-Lutz

scc_info: fix split_on_sets

* spot/twaalgos/sccinfo.cc (split_on_sets): Correctly register APs.
* tests/python/sccsplit.py: New file.
* tests/Makefile.am: Add it.
* NEWS: Mention the bug.
parent b52f4ea7
......@@ -34,6 +34,11 @@ New in spot 2.6.0.dev (not yet released)
- "ltlfilt --suspendable" is now a synonym for
"ltlfilt --universal --eventual".
Bugs fixed:
- scc_info::split_on_sets() did not correctly register the
atomic propositions of the returned automata.
New in spot 2.6 (2018-07-04)
Command-line tools:
......
......@@ -528,6 +528,7 @@ namespace spot
cur.assign(aut_->num_states(), false);
auto copy = make_twa_graph(aut_->get_dict());
copy->copy_ap_of(aut_);
copy->copy_acceptance_of(aut_);
copy->prop_state_acc(aut_->prop_state_acc());
transform_accessible(aut_, copy, [&](unsigned src,
......
......@@ -400,6 +400,7 @@ TESTS_python = \
python/sbacc.py \
python/sccfilter.py \
python/sccinfo.py \
python/sccsplit.py \
python/semidet.py \
python/setacc.py \
python/setxor.py \
......
#!/usr/bin/python3
# -*- mode: python; coding: utf-8 -*-
# Copyright (C) 2018 Laboratoire de Recherche et Développement de
# l'EPITA.
#
# This file is part of Spot, a model checking library.
#
# Spot is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# Spot is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
# License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import spot
aut = spot.translate('GF(a <-> Xa) & GF(b <-> XXb)')
si = spot.scc_info(aut)
s = ""
for aut2 in si.split_on_sets(0, [0]):
# This call to to_str() used to fail because split_on_sets had not
# registered the atomic propositions of aut
s += aut2.to_str();
assert spot.automaton(s).num_states() == 8
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