69 lines
1.7 KiB
Python
69 lines
1.7 KiB
Python
# -*- mode: python; coding: utf-8 -*-
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# Copyright (C) 2015-2018 Laboratoire de Recherche et Développement
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# de l'Epita
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#
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# This file is part of Spot, a model checking library.
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#
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# Spot is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# Spot is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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# License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import spot
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# This test used to trigger an assertion (or a segfault)
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# in scc_filter_states().
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aut = spot.automaton("""
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HOA: v1
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States: 3
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Start: 1
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AP: 1 "a"
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Acceptance: 1 Inf(0)
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--BODY--
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State: 0 {0}
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[t] 0
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State: 1
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[!0] 0
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[0] 2
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State: 2
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[t] 2
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--END--
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""")
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aut.prop_inherently_weak(True)
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aut = spot.dualize(aut)
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aut1 = spot.scc_filter_states(aut)
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assert(aut1.to_str('hoa') == """HOA: v1
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States: 2
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Start: 0
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AP: 1 "a"
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acc-name: co-Buchi
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Acceptance: 1 Fin(0)
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properties: trans-labels explicit-labels state-acc deterministic
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properties: very-weak
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--BODY--
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State: 0 {0}
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[0] 1
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State: 1
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[t] 1
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--END--""")
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assert(aut.scc_filter_states().to_str() == aut1.to_str())
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assert(aut1.get_name() == None)
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aut1.set_name("test me")
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assert(aut1.get_name() == "test me")
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# The method is the same as the function
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a = spot.translate('true', 'low', 'any')
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assert(a.prop_universal().is_maybe())
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assert(a.prop_unambiguous().is_maybe())
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assert(a.is_deterministic() == True)
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assert(a.is_unambiguous() == True)
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