ef9267a58e
* tests/core/neverclaimread.test: Adjust and remove FIXME. * spot/parsetl/parsetl.yy (try_recursive_parse): Return false on empty string.
402 lines
7.3 KiB
Bash
Executable file
402 lines
7.3 KiB
Bash
Executable file
#!/bin/sh
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# -*- coding: utf-8 -*-
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# Copyright (C) 2010-2015, 2017-2018, 2020, 2022 Laboratoire
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# de Recherche et 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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cat >input <<EOF
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never {
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T2_init:
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if
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:: (1) -> goto T2_init
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:: (p1 && p0) -> goto T1
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fi;
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T1:
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T1b: /* alias */
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if
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:: (p1 && (! p0)) -> goto alias2
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:: !(p1) -> goto T1b
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:: ! (p1) -> goto T2_init
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fi;
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alias1:
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accept_all:
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alias2:
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skip
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}
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EOF
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run 0 ../ikwiad -XN -H input > stdout
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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: 2 "p0" "p1"
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acc-name: Buchi
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Acceptance: 1 Inf(0)
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properties: trans-labels explicit-labels state-acc
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--BODY--
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State: 0
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[t] 0
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[0&1] 1
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State: 1
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[!1] 0
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[!1] 1
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[!0&1] 2
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State: 2 {0}
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[t] 2
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--END--
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EOF
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run 0 autfilt -F stdout --isomorph expected
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rm input stdout expected
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# Same test, but with the newer syntax output since Spin 6.24
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cat >input <<EOF
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never {
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T2_init:
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do
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:: (1) -> goto T2_init
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:: (p1 && p0) -> goto T1
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od;
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T1:
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do
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:: atomic { (p1 && (! p0)) -> assert(!(p1 && (! p0))) }
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:: !(p1) -> goto T1
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:: ! (p1) -> goto T2_init
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od;
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}
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EOF
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run 0 ../ikwiad -XN -H input > stdout
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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: 2 "p0" "p1"
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acc-name: Buchi
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Acceptance: 1 Inf(0)
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properties: trans-labels explicit-labels state-acc
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--BODY--
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State: 0
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[t] 0
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[0&1] 1
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State: 1
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[!1] 0
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[!1] 1
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[!0&1] 2
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State: 2 {0}
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[t] 2
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--END--
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EOF
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run 0 autfilt -F stdout --isomorph expected
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rm input stdout expected
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# Unparenthesed disjunction
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cat >input <<EOF
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never { /* p0 || p1 */
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accept_init:
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if
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:: (p1) && (p0) -> goto accept_all
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:: (p1) && !(p0) -> goto accept_all
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fi;
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accept_all:
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skip
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}
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EOF
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run 0 ../ikwiad -XN input > stdout
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cat >expected <<EOF
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digraph "" {
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rankdir=LR
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label="[Büchi]"
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labelloc="t"
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node [shape="circle"]
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I [label="", style=invis, width=0]
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I -> 0
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0 [label="0", peripheries=2]
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0 -> 1 [label="p1"]
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1 [label="1", peripheries=2]
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1 -> 1 [label="1"]
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}
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EOF
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diff stdout expected
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rm input stdout expected
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# Test broken guards in input
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cat >input <<EOF
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never {
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T2_init:
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if
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:: (1) -> goto T2_init
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:: (p1 && ) -> goto T1
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fi;
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T1:
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if
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:: (p1 && ! p0)) -> goto accept_all
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:: (p1) -> goto T1
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fi;
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accept_all:
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skip
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}
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EOF
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# We used to catch the following error:
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# input:5.11: syntax error, unexpected closing parenthesis
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# input:5.8-9: missing right operand for "and operator"
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# but since the guard parser is more lenient, we just assume
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# that "p1 && " is an atomic property.
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run 2 ../ikwiad -XN input > stdout 2>stderr
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cat >expected <<\EOF
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input:9.16: syntax error, unexpected ')', expecting fi or ':'
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EOF
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grep input: stderr > stderrfilt
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diff stderrfilt expected
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# This output from MoDeLLa was not property parsed by Spot because of
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# the missing parentheses around p0. Report from František Blahoudek.
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cat >input <<EOF
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never{
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T0_init:
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if
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:: true -> goto T1
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:: p0 -> goto T2
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fi;
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T1:
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if
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:: true -> goto T1
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:: p0 -> goto accept_T3
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fi;
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T2:
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if
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:: p0 -> goto accept_T3
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fi;
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accept_T3:
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if
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:: p0 -> goto T2
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fi;
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}
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EOF
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cat >expected<<EOF
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edges: 6
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states: 4
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EOF
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run 0 ../ikwiad -ks -XN input > output
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diff output expected
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# Test duplicated labels. The following neverclaim was produced by
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# ltl2ba 1.1 for '[](<>[]p1 U X[]<>Xp0)', but is rejected by Spin
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# because of a duplicate label (accept_S10). We should
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# complain as well. This was reported by Joachim Klein.
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cat >input <<\EOF
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never { /* [](<>[]p1 U X[]<>Xp0) */
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T0_init:
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if
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:: (1) -> goto accept_S2
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:: (1) -> goto T1_S3
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:: (p1) -> goto T2_S4
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fi;
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accept_S2:
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if
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:: (1) -> goto accept_S39
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:: (1) -> goto T1_S24
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:: (p1) -> goto accept_S10
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fi;
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accept_S39:
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if
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:: (p0) -> goto accept_S39
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:: (1) -> goto T0_S39
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:: (1) -> goto T0_S24
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:: (p1) -> goto T0_S10
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fi;
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T0_S39:
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if
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:: (p0) -> goto accept_S39
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:: (1) -> goto T0_S39
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:: (1) -> goto T0_S24
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:: (p1) -> goto T0_S10
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fi;
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T0_S24:
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if
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:: (1) -> goto T0_S24
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:: (p1) -> goto T0_S10
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fi;
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T0_S10:
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if
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:: (p0 && p1) -> goto accept_S10
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:: (p1) -> goto T0_S10
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fi;
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accept_S10:
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if
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:: (p0 && p1) -> goto accept_S10
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:: (p1) -> goto T0_S10
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fi;
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T1_S24:
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if
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:: (1) -> goto T1_S24
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:: (p1) -> goto accept_S10
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fi;
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accept_S10:
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if
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:: (p1) -> goto accept_S10
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fi;
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T1_S3:
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if
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:: (1) -> goto T1_S3
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:: (1) -> goto T1_S24
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:: (p1) -> goto T2_S4
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:: (p1) -> goto accept_S10
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fi;
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T2_S4:
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if
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:: (p1) -> goto T2_S4
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:: (p1) -> goto accept_S10
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fi;
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}
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EOF
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run 2 ../ikwiad -ks -XN input > stdout 2>stderr
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cat stderr
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cat >expected-err <<\EOF
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input:48.1-10: redefinition of accept_S10...
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input:38.1-10: ... accept_S10 previously defined here
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EOF
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grep input: stderr > stderrfilt
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diff stderrfilt expected-err
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# DOS-style new lines should have the same output.
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$PERL -pi -e 's/$/\r/' input
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run 2 ../ikwiad -ks -XN input > stdout 2>stderr
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cat stderr
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grep input: stderr > stderrfilt
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diff stderrfilt expected-err
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# Empty guards should be diagnosed at the correct location
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cat >input <<EOF
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never { /* a U b */
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T0_init:
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if
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:: ((b)) -> goto accept_all
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:: ( ) -> goto T0_init
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fi;
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accept_all:
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skip
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}
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never { /* a U b */
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T0_init:
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if
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:: ((b)) -> goto accept_all
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:: ((b) -> goto T0_init
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fi;
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accept_all:
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skip
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}
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EOF
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autfilt --name=%F --dot=nsc <input >stdout 2>stderr && exit 1
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cat >expected <<EOF
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digraph "-" {
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rankdir=LR
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label="-\n[Büchi]"
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labelloc="t"
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node [shape="circle"]
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I [label="", style=invis, width=0]
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I -> 0
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subgraph cluster_0 {
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color=green
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label=""
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1 [label="1", peripheries=2]
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}
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subgraph cluster_1 {
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color=black
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label=""
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0 [label="0"]
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}
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0 -> 1 [label="b"]
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0 -> 0 [label="0"]
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1 -> 1 [label="1"]
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}
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EOF
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diff stdout expected
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cat >expected.err <<EOF
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5.6-8: unexpected empty block
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14.6-19.1: missing closing parenthese
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19.1: syntax error, unexpected end of file, expecting fi or ':'
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autfilt: failed to read automaton from -
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EOF
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diff stderr expected.err
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cat >formulae<<EOF
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a
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FG a
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X false
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(G a) U X b
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(a U b) U (c U d)
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true
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(Ga && XXXX!a)
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"a > b" U "process@foo"
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GF("(a + b) == 42" U "process@foo")
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EOF
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while read f
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do
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run 0 ltl2tgba -H "!($f)" > f.hoa
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run 0 ltl2tgba -s -f "$f" > f.spot
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# Make sure there is no `!x' occurring in the
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# output. Because `x' is usually #define'd, we
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# should use `!(x)' in guards.
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grep '![^(].*->' f.spot && exit 1
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# In case we cannot run spin or ltl2ba, use the spot output
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cp f.spot f.spin
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cp f.spot f.ltl2ba
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sf=`ltlfilt -sf "$f"`
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if test -n "$SPIN"; then
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# Old spin versions cannot parse formulas such as ((a + b) == 42).
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$SPIN -f "$sf" > f.spin.tmp && mv f.spin.tmp f.spin
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fi
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case $f in
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*\"*);;
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*)
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if test -n "$LTL2BA"; then
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$LTL2BA -f "$sf" > f.ltl2ba
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fi
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esac
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run 0 autfilt --count -v --intersect=f.hoa \
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f.spot f.spin f.ltl2ba >out
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test 3 = `cat out`
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done <formulae
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