9377db2e5e
Reported by Thibaud Michaud * spot/twaalgos/sbacc.cc: Do not label rejecting SCCs with the empty mark, as it might be accepting. * tests/core/sbacc.test: Add test cases. * NEWS: Mention the bug.
226 lines
4 KiB
Bash
Executable file
226 lines
4 KiB
Bash
Executable file
#! /bin/sh
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# -*- coding: utf-8 -*-
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# Copyright (C) 2015, 2016, 2017 Laboratoire de Recherche et Développement
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# 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 || exit 1
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set -e
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ltl2tgba=ltl2tgba
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autfilt=autfilt
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$ltl2tgba 'GFa & GFb' -H | run 0 $autfilt --sbacc -H > out.hoa
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cat >expected<<EOF
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HOA: v1
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States: 4
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Start: 0
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AP: 2 "a" "b"
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acc-name: generalized-Buchi 2
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Acceptance: 2 Inf(0)&Inf(1)
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properties: trans-labels explicit-labels state-acc complete
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properties: deterministic stutter-invariant
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--BODY--
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State: 0 {0}
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[0&!1] 0
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[0&1] 1
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[!0&!1] 2
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[!0&1] 3
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State: 1 {0 1}
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[0&!1] 0
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[0&1] 1
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[!0&!1] 2
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[!0&1] 3
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State: 2
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[0&!1] 0
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[0&1] 1
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[!0&!1] 2
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[!0&1] 3
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State: 3 {1}
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[0&!1] 0
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[0&1] 1
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[!0&!1] 2
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[!0&1] 3
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--END--
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EOF
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diff out.hoa expected
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# This procedure should be acceptance-agnostic.
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cat >in.hoa<<EOF
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HOA: v1
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Start: 0
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AP: 1 "a"
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Acceptance: 2 Fin(0)|Inf(1)
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--BODY--
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State: 0
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[0] 1
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State: 1 {0}
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[0] 2
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State: 2
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[0] 0 {1}
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--END--
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/* The following example used to be converted into a
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3-state automaton instead of just 2 states, due to
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a typo in the code. */
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HOA: v1
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States: 2
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Start: 1
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AP: 2 "a" "b"
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Acceptance: 2 Fin(0) & Inf(1)
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--BODY--
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State: 0
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[t] 0 {0}
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State: 1
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[1] 0
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[0&!1] 1 {1}
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--END--
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EOF
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run 0 $autfilt --state-based-acceptance in.hoa -H > out.hoa
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cat >expected <<EOF
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HOA: v1
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States: 3
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Start: 0
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AP: 1 "a"
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acc-name: Streett 1
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Acceptance: 2 Fin(0) | Inf(1)
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properties: trans-labels explicit-labels state-acc deterministic
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--BODY--
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State: 0 {1}
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[0] 1
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State: 1 {0}
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[0] 2
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State: 2 {0 1}
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[0] 0
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--END--
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HOA: v1
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States: 2
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Start: 0
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AP: 2 "a" "b"
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acc-name: Rabin 1
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Acceptance: 2 Fin(0) & Inf(1)
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properties: trans-labels explicit-labels state-acc deterministic
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--BODY--
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State: 0 {1}
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[0&!1] 0
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[1] 1
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State: 1
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[t] 1
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--END--
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EOF
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diff out.hoa expected
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$autfilt --sba -H expected > out.hoa
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diff out.hoa expected
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$autfilt --strip-acc -H expected -n1 > out.hoa
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cat >expected <<EOF
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HOA: v1
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States: 3
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Start: 0
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AP: 1 "a"
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acc-name: all
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Acceptance: 0 t
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properties: trans-labels explicit-labels state-acc deterministic weak
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--BODY--
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State: 0
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[0] 1
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State: 1
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[0] 2
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State: 2
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[0] 0
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--END--
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EOF
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diff out.hoa expected
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randltl --weak-fairness -n 20 2 |
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ltlcross "$ltl2tgba -DH %f >%O" \
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"$ltl2tgba -S %f >%O" \
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"$ltl2tgba -H %f | $autfilt -H >%O"
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test 4 = `ltl2tgba -S 'F(a & X(!a &Xb))' --any --stats=%s`
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# Test case from Thibaud Michaud. This used to fail, because sbacc()
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# would remove acceptance marks from all rejecting SCCS...
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cat >tm.hoa <<EOF
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HOA: v1
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States: 5
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Start: 1
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AP: 4 "req" "go" "ack" "cancel"
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acc-name: parity max odd 3
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Acceptance: 3 Fin(2) & (Inf(1) | Fin(0))
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properties: trans-labels explicit-labels trans-acc colored complete
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properties: deterministic
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--BODY--
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State: 0
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[t] 1 {0}
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State: 1
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[!0] 0 {0}
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[0] 2 {0}
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State: 2
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[2] 1 {0}
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[!2] 3 {0}
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State: 3
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[t] 4 {0}
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State: 4
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[2] 1 {2}
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[!2] 3 {1}
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--END--
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EOF
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autfilt --sbacc tm.hoa > out.hoa
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autfilt -q --equivalent-to out.hoa tm.hoa
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# Tautological acceptances are converted to "t"
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cat >taut.hoa <<EOF
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HOA: v1
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States: 2
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Start: 1
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AP: 0
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Acceptance: 2 Fin(0) | Inf(0) | Fin(1)
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--BODY--
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State: 0
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[t] 1 {0}
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State: 1
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[t] 0
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[t] 1 {1}
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--END--
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EOF
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cat >expect.hoa <<EOF
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HOA: v1
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States: 2
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Start: 1
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AP: 0
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acc-name: all
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Acceptance: 0 t
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properties: trans-labels explicit-labels state-acc complete weak
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--BODY--
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State: 0
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[t] 1
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State: 1
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[t] 0
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[t] 1
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--END--
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EOF
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autfilt --sbacc taut.hoa > out.hoa
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diff out.hoa expect.hoa
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