b2539e8399
* spot/twaalgos/toparity.cc (lar_generator): Use scc_info to reset permutations of edges leaving SCCs. * tests/python/toparity.py: Add a test case.
63 lines
1.9 KiB
Python
63 lines
1.9 KiB
Python
#!/usr/bin/python3
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# -*- mode: python; coding: utf-8 -*-
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# Copyright (C) 2018, 2019 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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a = spot.automaton("""HOA: v1
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States: 1
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Start: 0
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AP: 2 "a" "b"
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Acceptance: 2 Inf(0)|Inf(1)
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--BODY--
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State: 0
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[0&1] 0 {0 1}
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[0&!1] 0 {0}
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[!0&1] 0 {1}
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[!0&!1] 0
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--END--""")
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p = spot.to_parity(a)
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assert spot.are_equivalent(a, p)
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a = spot.automaton("""
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HOA: v1 States: 6 Start: 0 AP: 2 "p0" "p1" Acceptance: 6 Inf(5) |
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Fin(2) | Inf(1) | (Inf(0) & Fin(3)) | Inf(4) properties: trans-labels
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explicit-labels trans-acc --BODY-- State: 0 [0&1] 2 {4 5} [0&1] 4 {0 4}
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[!0&!1] 3 {3 5} State: 1 [0&!1] 3 {1 5} [!0&!1] 5 {0 1} State: 2 [!0&!1]
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0 {0 3} [0&!1] 1 {0} State: 3 [!0&1] 4 {1 2 3} [0&1] 3 {3 4 5} State:
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4 [!0&!1] 1 {2 4} State: 5 [!0&1] 4 --END--
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""")
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p = spot.to_parity(a)
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assert p.num_states() == 22
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assert spot.are_equivalent(a, p)
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for f in spot.randltl(4, 400):
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d = spot.translate(f, "det", "G")
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p = spot.to_parity(d)
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assert spot.are_equivalent(p, d)
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for f in spot.randltl(5, 2000):
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n = spot.translate(f)
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p = spot.to_parity(n)
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assert spot.are_equivalent(n, p)
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# Issue #390.
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a = spot.translate('!(GFa -> (GFb & GF(!b & !Xb)))', 'gen', 'det')
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b = spot.to_parity(a)
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assert a.equivalent_to(b)
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