2e69e04583
Fixes #187. * spot/tl/ltlf.cc, spot/tl/ltlf.hh: New files. * spot/tl/Makefile.am: Add them. * bin/ltlfilt.cc: Add a new option. * bin/man/ltlfilt.x: Add bibliographic reference. * tests/core/ltlfilt.test: Add more tests. * tests/python/ltlf.py: New file. * tests/Makefile.am: Add it. * python/spot/impl.i: Python bindings. * NEWS: Mention it.
47 lines
1.7 KiB
Python
47 lines
1.7 KiB
Python
# -*- mode: python; coding: utf-8 -*-
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# Copyright (C) 2016 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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lcc = spot.language_containment_checker()
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formulas = ['GFa', 'FGa', '(GFa) U b',
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'(a U b) U c', 'a U (b U c)',
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'(a W b) W c', 'a W (b W c)',
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'(a R b) R c', 'a R (b R c)',
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'(a M b) M c', 'a M (b M c)',
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'(a R b) U c', 'a U (b R c)',
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'(a M b) W c', 'a W (b M c)',
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'(a U b) R c', 'a R (b U c)',
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'(a W b) M c', 'a M (b W c)',
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]
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# The rewriting assume the atomic proposition will not change
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# once we reache the non-alive part.
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cst = spot.formula('G(X!alive => ((a <=> Xa) && (b <=> Xb) && (c <=> Xc)))')
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for f in formulas:
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f1 = spot.formula(f)
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f2 = f1.unabbreviate()
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f3 = spot.formula_And([spot.from_ltlf(f1), cst])
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f4 = spot.formula_And([spot.from_ltlf(f2), cst])
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print("{}\t=>\t{}".format(f1, f3))
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print("{}\t=>\t{}".format(f2, f4))
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assert lcc.equal(f3, f4)
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print()
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