822fe77891
* tests/python/341.py, tests/python/alarm.py, tests/python/bdddict.py, tests/python/bddnqueen.py, tests/python/bugdet.py, tests/python/dualize.py, tests/python/except.py, tests/python/gen.py, tests/python/genem.py, tests/python/implies.py, tests/python/interdep.py, tests/python/ipnbdoctest.py, tests/python/kripke.py, tests/python/ltl2tgba.py, tests/python/ltlf.py, tests/python/ltlparse.py, tests/python/ltlsimple.py, tests/python/relabel.py, tests/python/rs_like.py, tests/python/sccsplit.py, tests/python/semidet.py, tests/python/setacc.py, tests/python/setxor.py, tests/python/split.py, tests/python/streett_totgba.py, tests/python/stutter.py, tests/python/sum.py, tests/python/toparity.py, tests/python/toweak.py, tests/python/trival.py, python/spot/__init__.py, python/spot/aux.py, python/spot/jupyter.py: Reformat with autopep8. fixup! * spot/tl/simplify.cc: Fix typos in tracing code.
61 lines
1.8 KiB
Python
Executable file
61 lines
1.8 KiB
Python
Executable file
# -*- mode: python; coding: utf-8 -*-
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# Copyright (C) 2012 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 sys
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from buddy import *
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bdd_init(10000, 10000)
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bdd_setvarnum(5)
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V = [bdd_ithvar(i) for i in range(5)]
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a = V[0] & V[1] & -V[2]
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b = V[0] & V[1] & -V[2] & -V[3]
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c = -V[0] & V[1] & -V[2] & -V[3]
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d = V[1] & -V[2]
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e = V[1] & V[2] & -V[3] & V[4]
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f = V[0] & -V[3] & V[4]
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g = -V[0] | V[1]
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assert(bdd_implies(b, a))
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assert(not bdd_implies(a, b))
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assert(not bdd_implies(c, a))
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assert(bdd_implies(a, d))
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assert(bdd_implies(b, d))
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assert(bdd_implies(c, d))
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assert(bdd_implies(d, d))
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assert(not bdd_implies(e, d))
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assert(not bdd_implies(d, e))
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assert(not bdd_implies(f, e))
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assert(not bdd_implies(e, f))
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assert(bdd_implies(bddfalse, f))
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assert(not bdd_implies(bddtrue, f))
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assert(bdd_implies(f, bddtrue))
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assert(not bdd_implies(f, bddfalse))
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assert(bdd_implies(a, g))
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a = (-V[2] & (-V[1] | V[0])) | (-V[0] & V[1] & V[2])
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b = V[1] | -V[2]
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assert(bdd_implies(a, b))
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# Cleanup all BDD variables before calling bdd_done(), otherwise
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# bdd_delref will be called after bdd_done() and this is unsafe in
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# optimized builds.
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V = a = b = c = d = e = f = g = 0
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bdd_done()
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