9464043d39
Fixes #316. * spot/twaalgos/totgba.cc: Fix confusing definition of scc_inf_wo_fin. * tests/python/streett_totgba2.py: New test case. * tests/Makefile.am: Add it. * NEWS: Mention the bug.
70 lines
1.6 KiB
Python
70 lines
1.6 KiB
Python
#!/usr/bin/python3
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# -*- mode: python; coding: utf-8 -*-
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# Copyright (C) 2018 Laboratoire de Recherche et Développement de
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# 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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# Issue 316
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a = spot.automaton("""
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HOA: v1
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States: 8
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Start: 0
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AP: 3 "b" "a" "c"
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Acceptance: 5 (Fin(0) | Inf(1)) & (Fin(2) | Inf(3)) & Inf(4)
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properties: trans-labels explicit-labels state-acc
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--BODY--
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State: 0
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[!0&!2] 1
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[0&!2] 2
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[2] 3
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State: 1
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[0&2] 4
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[0&1&2] 5
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State: 2
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[!0&!2] 1
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[!0&2] 3
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State: 3
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[!0&!2] 1
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[!0&2] 3
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[0&2] 4
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[0&1&2] 5
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State: 4
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[2] 4
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[0&1&2] 5
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[!0&!2] 6
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State: 5 {4}
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[1&2] 5
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[!0&1&!2] 7
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State: 6
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[0&2] 4
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[0&1&2] 5
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State: 7 {1 3 4}
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[0&1&2] 5
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--END--
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""")
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tgba = spot.streett_to_generalized_buchi(a)
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assert tgba.acc().is_generalized_buchi()
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ba = spot.simplify_acceptance(a)
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assert ba.acc().is_buchi()
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nba = spot.dualize(ba.postprocess('generic', 'deterministic'))
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ntgba = spot.dualize(tgba.postprocess('generic', 'deterministic'))
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assert not ba.intersects(ntgba)
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assert not tgba.intersects(nba)
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