679b6cff78
Fixes #257. * spot/twaalgos/degen.cc: Implement this optimization. * tests/core/degendet.test: Add a few test cases. * tests/core/ltl2tgba2.test: Adjust expected sizes. * NEWS: Mention the change.
55 lines
1.8 KiB
Bash
Executable file
55 lines
1.8 KiB
Bash
Executable file
#!/bin/sh
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# -*- coding: utf-8 -*-
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# Copyright (C) 2011, 2015-2017 Laboratoire de Recherche et
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# Développement de l'Epita (LRDE).
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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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. ./defs
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set -e
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# The following command, reported by Tomáš Babiak, used to output many
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# different automata, because state addresses were used to order the
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# successors in the degeneralization.
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# Make sure all these runs output the same automaton.
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# With valgrind
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run 0 ../ikwiad -r7 -x -R3 -N "XF(Gp2 | F(p0 U (p1 & (! p4 | p3))))" > out1
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# Without valgrind
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for i in 2 3 4 5; do
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../ikwiad -r7 -x -R3 -N "XF(Gp2 | F(p0 U (p1 & (! p4 | p3))))" > out
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cmp out out1 || exit 1
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done
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# The next formula used to be translated into a 6-state automaton
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# instead of a 4-state automaton, because of an error in the
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# implementation of the degen-lcache=1 option causing the last level
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# used to be reused, instead of the first one.
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run 0 ltl2tgba -B -f '(b & Fa) U XXG(a M Gb)' --stats=%s,%t >out
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test "4,14" = "`cat out`"
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# Some optimization in the degeneralization allows this formula
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# to be reduced to 3 and 5 states...
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run 0 ltl2tgba -B -f 'G(Fp1 & (F!p1 W X!p1))' -f 'F(!p0 & Fp0) W Gp0' \
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--stats=%s >out
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cat >exp<<EOF
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3
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5
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EOF
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diff out exp
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