26ef5458eb
This uses the same trick as discussed in issue #566 and issue #568. * spot/twaalgos/determinize.cc (safra_support): Use a basis if it is smaller than 2^|support| for the current Safra state. * tests/core/568.test: Add some tests. * NEWS: Mention the optimization.
103 lines
2.8 KiB
Bash
Executable file
103 lines
2.8 KiB
Bash
Executable file
#!/bin/sh
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# -*- coding: utf-8 -*-
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# Copyright (C) by the Spot authors, see the AUTHORS file for details.
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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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# For issue #568. Before the patch implemented for #568, running
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# simulation-based reduction on automata with many APs was getting
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# exponentially slow even if few different labels were used.
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#
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# For instance we had this:
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#
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# % genaut --cycle-onehot=10..20 --name='size %L' |
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# autfilt --small --stats='%M: %S->%s in %r seconds'
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# size 10: 100->10 in 0.0395407 seconds
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# size 11: 121->11 in 0.0950484 seconds
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# size 12: 144->12 in 0.227828 seconds
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# size 13: 169->13 in 0.391545 seconds
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# size 14: 196->14 in 0.954784 seconds
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# size 15: 225->15 in 2.34656 seconds
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# size 16: 256->16 in 5.80549 seconds
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# size 17: 289->17 in 14.3545 seconds
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# size 18: 324->18 in 47.1589 seconds
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# size 19: 361->19 in 138.023 seconds
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#
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# The test below shows that even with --cycle-onehot-nba=80 we don't
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# have any problem now.
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genaut --cycle-onehot-nba=20 \
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--cycle-onehot-nba=40 \
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--cycle-onehot-nba=60 \
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--cycle-onehot-nba=80 \
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--cycle-log-nba=20 \
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--cycle-log-nba=40 \
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--cycle-log-nba=60 \
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--cycle-log-nba=80 \
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| autfilt --small --stats='%S -> %s' > out
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cat >expected <<EOF
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400 -> 20
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1600 -> 40
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3600 -> 60
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6400 -> 6400
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400 -> 20
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1600 -> 40
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3600 -> 60
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6400 -> 6400
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EOF
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diff expected out
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# the reason for the 6400 states above is that simulation-based
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# reductions are disabled above 4096 states by default. This can be
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# changed with -x simul-max=N.
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genaut --cycle-onehot-nba=80 --cycle-log-nba=80 \
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| autfilt -x simul-max=6400 --small --stats='%S -> %s' > out
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cat >expected <<EOF
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6400 -> 80
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6400 -> 80
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EOF
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diff expected out
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genaut --cycle-onehot=7..12 |
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autfilt --parity -D --stats="%S -> %s" > out
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cat >expected <<EOF
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49 -> 13
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64 -> 15
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81 -> 17
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100 -> 19
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121 -> 4360
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144 -> 9481
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EOF
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genaut --cycle-onehot=7..12 |
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autfilt -x simul-max=10000 --parity -D --stats="%S -> %s" > out
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cat >expected <<EOF
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49 -> 13
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64 -> 15
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81 -> 17
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100 -> 19
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121 -> 21
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144 -> 23
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EOF
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# Using autcross will also test tgba_determinize
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genaut --cycle-onehot-nba=11..12 --cycle-log-nba=11..12 |
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autcross --language-preserved 'autfilt --small' --verbose
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