hoaparse.test 28.6 KB
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#!/bin/sh
# -*- coding: utf-8 -*-
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# Copyright (C) 2014, 2015 Laboratoire de Recherche et Développement de
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# l'Epita (LRDE).
#
# This file is part of Spot, a model checking library.
#
# Spot is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# Spot is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
# License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.


. ./defs

set -e

expecterr()
{
   cat >$1.exp
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   ../../bin/autfilt --hoa "$@" 2>$1.err >$1.out && exit 1
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   test $? = 2
   cat $1.err
   diff $1.err $1.exp
}

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expectok()
{
   cat >$1.exp
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   ../../bin/autfilt --hoa "$@" >$1.out
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   test $? = 0
   cat $1.out
   diff $1.out $1.exp
}

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cat >input <<EOF
HOA: v1
States: 1
Start: 0
AP: 1 "a"
States: 2
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
[0] 1
State: 1 {0}
[t] 1
--END--
EOF

expecterr input <<EOF
input:5.1-9: redefinition of the number of states...
input:2.1-9: ... previously defined here.
EOF

cat >input <<EOF
HOA: v1
States: 1
Start: 0
AP: 1 "a"
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
[0] 1
State: 1 {0}
[t] 1
--END--
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2 1t
2 1
1 -1 "b"
0 -1 & "a" ! "b"
-1
1 0
2 0 -1 t
-1
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EOF

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diff='different state numbers have been used'
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expecterr input <<EOF
input:8.5: state number is larger than state count...
input:2.1-9: ... declared here.
input:9.8: state number is larger than state count...
input:2.1-9: ... declared here.
input:10.5: state number is larger than state count...
input:2.1-9: ... declared here.
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input:12.1-19.2: 2 states have been declared, but 3 $diff
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EOF

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cat >input <<EOF
HOA: v1
States: 1
Start: 0
AP: 1 "a"
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
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[2] 0
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State: 0 {0}
[t] 0
--END--
EOF

expecterr input <<EOF
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input:8.2: AP number is larger than the number of APs...
input:4.1-5: ... declared here
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input:9.1-8: redeclaration of state 0
EOF

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cat >input <<EOF
HOA: v1
States: 0
AP: 1 "a" "b"
Acceptance: 0 t
--BODY--
--END--
EOF

expecterr input <<EOF
input:3.1-13: found 2 atomic propositions instead of the 1 announced
EOF

cat >input <<EOF
HOA: v1
AP: 1 "a"
States: 0
AP: 2 "a" "b"
Acceptance: 0 t
--BODY--
--END--
EOF

expecterr input <<EOF
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input:4.1-3: ignoring this redeclaration of APs...
input:2.1-5: ... previously declared here.
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EOF

cat >input <<EOF
HOA: v1
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AP: 2 "a" "a"
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States: 0
Start: 1
--BODY--
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State: 0 {0 1}
[0] 0 {0}
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--END--
EOF

expecterr input <<EOF
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input:2.11-13: duplicate atomic proposition "a"
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input:4.1-8: initial state number is larger than state count...
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input:3.1-9: ... declared here.
input:1.1-4.8: missing 'Acceptance:' header
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input:6.8: state number is larger than state count...
input:3.1-9: ... declared here.
input:6.10-14: ignoring acceptance sets because of missing acceptance condition
input:7.5: state number is larger than state count...
input:3.1-9: ... declared here.
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EOF

cat >input <<EOF
HOA: v1
AP: 1 "a"
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Start: 1
States: 1
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--BODY--
--END--
EOF

expecterr input <<EOF
input:3.1-8: initial state number is larger than state count...
input:4.1-9: ... declared here.
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input:1.1-4.9: missing 'Acceptance:' header
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EOF

cat >input <<EOF
HOA: v1
Acceptance: 1 Inf(0)
Start: 0
States: 1
Acceptance: 1 Inf(0)
--BODY--
--END--
EOF

expecterr input <<EOF
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input:5.1-13: ignoring this redefinition of the acceptance condition...
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input:2.1-13: ... previously defined here.
EOF

cat >input <<EOF
HOA: v1
Start: 0
AP: 1 "a"
States: 2
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
[0] 1
State: 1 {1}
[t] 1
--END--
EOF

expecterr input <<EOF
input:9.11: number is larger than the count of acceptance sets...
input:5.1-13: ... declared here.
EOF

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# Let's have two broken automata in a row...
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cat >input <<EOF
HOA: v1
Start: 0
AP: 1 "a"
States: 2
Acceptance: 1 Inf(2)
--BODY--
State: 0 {0}
[0] 1
State: 1 {0}
[t] 1
--END--
HOA: v2
--BODY--
--END--
EOF

expecterr input <<EOF
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input:5.19: number is larger than the count of acceptance sets...
input:5.1-13: ... declared here.
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input:12.6-7: unsupported version of the HOA format
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input:12.1-7: missing 'Acceptance:' header
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EOF
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cat >input<<EOF
    HOA: v1
    States: 3
    Start: 0
    acc-name: generalized-Buchi 2
    Acceptance: 2 (Inf(0) & Inf(1))
    AP: 2 "a" "b"
    --BODY--
    State: 0 "foo" { 0 }
      2  /* !a  & !b */
      0  /*  a  & !b */
      1  /* !a  &  b */
      1  /*  a  &  b */
    State: 1 { 1 }
      1 1 1 1       /* four transitions on one line */
    State: 2 "sink state" { 0 }
      2 2 2 2
    --END--
EOF

expectok input <<EOF
HOA: v1
States: 3
Start: 0
AP: 2 "a" "b"
acc-name: generalized-Buchi 2
Acceptance: 2 Inf(0)&Inf(1)
properties: trans-labels explicit-labels state-acc complete deterministic
--BODY--
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State: 0 "foo" {0}
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[!0&!1] 2
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[0&!1] 0
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[!0&1] 1
[0&1] 1
State: 1 {1}
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[!0&!1] 1
[0&!1] 1
[!0&1] 1
[0&1] 1
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State: 2 "sink state" {0}
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[!0&!1] 2
[0&!1] 2
[!0&1] 2
[0&1] 2
--END--
EOF

cat >input<<EOF
    HOA: v1
    States: 3
    Start: 0
    acc-name: generalized-Buchi 2
    Acceptance: 2 (Inf(0) & Inf(1))
    AP: 2 "a" "b"
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    properties: state-labels complete
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    --BODY--
    State: 0 "foo" { 0 }
      2  /* !a  & !b */
      0  /*  a  & !b */
      1  /* !a  &  b */
      /* missing transition */
    State: 1 { 1 }
      1 1 1 1       /* four transitions on one line */
    State: 2 "sink state" { 0 }
      2 2 2 2
    --END--
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HOA: v1
States: 3
Start: 0
acc-name: generalized-Buchi 2
Acceptance: 2 (Inf(0) & Inf(1))
AP: 2 "a" "b"
properties: implicit-labels complete
--BODY--
State: [t] 0 "foo" { 0 }
  2  /* !a  & !b */
  0  /*  a  & !b */
  1  /* !a  &  b */
  0  /*  a  &  b */
State: 1 { 1 }
  1 1 1 1       /* four transitions on one line */
State: 2 "sink state" { 0 }
  2 2 2 2
--END--
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EOF

expecterr input <<EOF
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input:9.5-12.7: not enough transitions for this state
input:10.7-12.7: these transitions have implicit labels but the automaton is...
input:7.17-28: ... declared with 'property: state-labels'
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input:9.5-12.7: automaton is not complete...
input:7.30-37: ... despite 'property: complete'
input:27.8-10: state label used although the automaton was...
input:25.13-27: ... declared with 'property: implicit-labels' here
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EOF

cat >input<<EOF
    HOA: v1
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    tool: "test"
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    States: 3
    Start: 0
    acc-name: generalized-Buchi 2
    Acceptance: 2 (Inf(0) & Inf(1))
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    properties: implicit-labels explicit-labels /* ? */ complete
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    properties: trans-acc state-acc /* ? */
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    AP: 2 "a" "b"
    --BODY--
    State: 0 "foo" { 0 }
      2  /* !a  & !b */
      0  /*  a  & !b */
      1  /* !a  &  b */
      1  /*  a  &  b */
      2  /*  extra transition ! */
    State: 1 { 1 }
      1 1 1 1       /* four transitions on one line */
    State: 2 "sink state" { 0 }
      2 2 2 2
    --END--
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    HOA: v1
    tool: "test"
    States: 3
    Start: 0
    acc-name: generalized-Buchi 2
    Acceptance: 2 (Inf(0) & Inf(1))
    properties: implicit-labels state-labels /* ? */
    AP: 2 "a" "b"
    --BODY--
    State: 0 "foo" { 0 }
      2  /* !a  & !b */
      0  /*  a  & !b */
      1  /* !a  &  b */
      1  /*  a  &  b */
    State: 1 { 1 }
      1 1 1 1       /* four transitions on one line */
    State: 2 "sink state" { 0 }
      2 2 2 2
    --END--
    HOA: v1
    tool: "test"
    States: 3
    Start: 0
    acc-name: generalized-Buchi 2
    Acceptance: 2 (Inf(0) & Inf(1))
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    properties: implicit-labels trans-acc
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    AP: 2 "a" "b"
    --BODY--
    State: 0 "foo" { 0 }
      2  /* !a  & !b */
      0  /*  a  & !b */
      1  /* !a  &  b */
      1  /*  a  &  b */
    State: 1 { 1 }
      1 1 1 1       /* four transitions on one line */
    State: 2 "sink state" { 0 }
      [t] 2
    --END--
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EOF

expecterr input <<EOF
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input:7.17-31: 'property: implicit-labels' is incompatible with...
input:7.33-47: ... 'property: explicit-labels'.
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input:8.17-25: 'property: trans-acc' is incompatible with...
input:8.27-35: ... 'property: state-acc'.
input:16.7: too many transition for this state, ignoring this one
input:28.33-44: 'property: state-labels' is incompatible with...
input:28.17-31: ... 'property: implicit-labels'.
input:50.20-24: state-based acceptance used despite...
input:47.33-41: ... declaration of transition-based acceptance.
input:58.7-9: transition label used although the automaton was...
input:47.17-31: ... declared with 'property: implicit-labels' here
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EOF
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cat >input <<EOF
    HOA: v1
    name: "GFa & GF(b & c)"
    States: 1
    Start: 0
    acc-name: generalized-Buchi 2
    Acceptance: 2 (Inf(0) & Inf(1))
    AP: 3 "a" "b" "c"
    Alias: @a 0
    Alias: @a 1 & 2 /* should be @bc */
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    properties: state-labels /* this is bogus */
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                state-acc /* bogus as well */
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    --BODY--
    State: 0
    [!@a & !@bc] 0
    [@a & !@bc]  0 {0}
    [!@a & @bc]  0 {1}
    [@a & @bc]   0 {0 1}
    --END--
EOF

expecterr input <<EOF
input:9.5-19: ignoring redefinition of alias @a
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input:14.13-15: unknown alias @bc
input:14.5-16: transition label used although the automaton was...
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input:10.17-28: ... declared with 'property: state-labels' here
input:15.12-14: unknown alias @bc
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input:15.20-22: trans-based acceptance used despite...
input:11.17-25: ... declaration of state-based acceptance.
input:16.12-14: unknown alias @bc
input:17.11-13: unknown alias @bc
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EOF

cat >input <<EOF
    HOA: v1
    name: "GFa & GF(b & c)"
    States: 1
    Start: 0
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    acc-name: who cares
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    Acceptance: 2 (Inf(0) & Inf(1))
    AP: 3 "a" "b" "c"
    Alias: @a 0
    Alias: @bc 1 & 2
    --BODY--
    State: 0
    [!@a & !@bc] 0
    [@a & !@bc]  0 {0}
    [!@a & @bc]  0 {1}
    [@a & @bc]   0 {0 1}
    --END--
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/* Some comment */
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HOA: v1
States: 2
Start: 0
Acceptance: 0 t
AP: 1 "a"
--BODY--
State: [0] 0 1
State: [0] 1 1
--END--
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EOF

expectok input <<EOF
HOA: v1
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name: "GFa & GF(b & c)"
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States: 1
Start: 0
AP: 3 "a" "b" "c"
acc-name: generalized-Buchi 2
Acceptance: 2 Inf(0)&Inf(1)
properties: trans-labels explicit-labels trans-acc complete deterministic
--BODY--
State: 0
[!0&!1 | !0&!2] 0
[0&!1 | 0&!2] 0 {0}
[!0&1&2] 0 {1}
[0&1&2] 0 {0 1}
--END--
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HOA: v1
States: 2
Start: 0
AP: 1 "a"
acc-name: all
Acceptance: 0 t
properties: trans-labels explicit-labels state-acc deterministic
--BODY--
State: 0
[0] 1
State: 1
[0] 1
--END--
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EOF
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expectok input --stats='%F:%L' <<EOF
input:1.5-16.11
input:18.1-26.7
EOF

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cat >input <<EOF
HOA: v1
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--ABORT--
HOA: v1
States: 2
Start: 0
Acceptance: 2 (Inf(0) & Inf(!0)) &
     --ABORT----ABORT--
HOA: v1
States: 2
Start: 0
Acceptance: 2 (Inf(0) & Inf(!0)) & Inf(!1)
AP: 1 "a"
     --BODY-- State: 0 {0
}
[0] 1
[!0--ABORT--
HOA: v1
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States: 2
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name: "survivor"
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Start: 0
Acceptance: 2 (Inf(0) & Inf(!0)) & Inf(!1)
AP: 1 "a"
--BODY--
State: 0 {0}
[0] 1
[!0] 0 {1}
State: 1
[!0] 1
[0] 0
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[f] 0
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--END--
EOF

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expecterr input <<EOF
input:1.1-2.9: aborted input automaton
input:3.1-7.14: aborted input automaton
input:7.15-23: aborted input automaton
input:8.1-16.12: aborted input automaton
EOF

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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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../../bin/autfilt --hoa input 2>stderr && exit 1
cat stderr
diff stderr input.exp

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cat >expected <<EOF
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HOA: v1
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name: "survivor"
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States: 2
Start: 0
AP: 1 "a"
acc-name: generalized-Buchi 3
Acceptance: 3 Inf(0)&Inf(1)&Inf(2)
properties: trans-labels explicit-labels trans-acc complete deterministic
--BODY--
State: 0
[0] 1 {0 1}
[!0] 0 {0}
State: 1
[!0] 1 {1 2}
[0] 0 {1 2}
--END--
EOF
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diff expected input.out
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cat >input <<EOF
HOA: v1
States: 2
Start: 0
Start: 1
AP: 2 "a" "\"b\""
Acceptance: 1 Inf(0)
properties: deterministic
--BODY--
State: 0 {0}
[1] 1
[!1] 0
State: 1
[!0] 1
[0] 0
--END--
HOA: v1
States: 0
AP: 0
Acceptance: 1 Inf(0)
properties: complete
--BODY--
--END--
HOA: v1
States: 2
Start: 0
AP: 2 "a" "\"b\""
Acceptance: 1 Inf(0)
properties: deterministic
--BODY--
State: 0 {0}
[1] 1
[!1] 0
State: 1
[!0] 1
[!0] 0
--END--
EOF
expecterr input <<EOF
input:7.13-25: deterministic automata should have at most one initial state
input:20.13-20: complete automata should have at least one initial state
input:33.1-35.6: automaton is not deterministic...
input:28.13-25: ... despite 'property: deterministic'
EOF
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# Mix HOA with neverclaims and LBTT automata
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cat >input <<EOF
HOA: v1
States: 2
Start: 0
Start: 1
Start: 0 /* duplicate */
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AP: 2 "a" "\"b\""
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Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
[1] 1
[!1] 0
State: 1
[!0] 1
[0] 0
--END--
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/* some LBTT with mixed state/transition acceptance,
   just because we can */
4 2ts
0 1 -1
1 -1 "c"
2 -1 & "b" ! "c"
3 -1 ! "c"
-1
1 0 1 -1
1 0 -1 t
-1
2 0 -1
1 -1 "c"
2 -1 & "b" ! "c"
-1
3 0 -1
3 0 1 -1 & "a" "b"
3 1 -1 & "a" ! "b"
3 0 -1 & ! "a" "b"
3 -1 & ! "a" ! "b"
-1


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676
677
678
679
680
681
682
never  {    /* a U b */
T0_init:
        if
        :: ((b)) -> goto accept_all
        :: ((a)) -> goto T0_init
        fi;
accept_all:
        skip
}


never {
  start: if :: false -> goto T0 fi;
  T0: false
}
683
684
685
686
687
EOF

expectok input <<EOF
HOA: v1
States: 3
688
Start: 2
689
AP: 2 "a" "\"b\""
690
691
692
693
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc complete
--BODY--
694
State: 0 {0}
695
[1] 1
696
[!1] 0
697
698
State: 1
[!0] 1
699
700
[0] 0
State: 2
701
[1] 1
702
703
704
[!1] 0
[!0] 1
[0] 0
705
--END--
706
HOA: v1
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
States: 4
Start: 0
AP: 3 "c" "b" "a"
acc-name: generalized-Buchi 2
Acceptance: 2 Inf(0)&Inf(1)
properties: trans-labels explicit-labels trans-acc
--BODY--
State: 0
[0] 1
[!0&1] 2
[!0] 3
State: 1
[t] 1 {0 1}
State: 2
[0] 1
[!0&1] 2
State: 3
[1&2] 3 {0 1}
[!1&2] 3 {0}
[1&!2] 3 {1}
[!1&!2] 3
--END--
HOA: v1
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
States: 2
Start: 0
AP: 2 "b" "a"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc
--BODY--
State: 0
[0] 1
[1] 0
State: 1 {0}
[t] 1
--END--
HOA: v1
States: 2
Start: 0
AP: 0
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc deterministic
--BODY--
State: 0
[f] 1
State: 1
--END--
755
756
757
758
759
760
761
762
763
764
765
766
EOF

cat >input <<EOF
HOA: v1
States: 2
Start: 0
Start: 0  /* duplicate */
AP: 2 "a" "b"
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
[1] 1
767
[!1] 0  /* nested /* comment */ */
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
State: 1
[!0] 1
[0] 0
--END--
EOF

expectok input <<EOF
HOA: v1
States: 2
Start: 0
AP: 2 "a" "b"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc complete deterministic
--BODY--
State: 0 {0}
[1] 1
[!1] 0
State: 1
[!0] 1
[0] 0
--END--
EOF
791

792
793
794
795
cat >input <<EOF
HOA: v1
States: 3
Start: 0
796
797
798
AP: 2 "a" "b"/* multi
line
comment */
799
800
801
802
803
804
805
806
807
808
809
810
811
Acceptance: 1 Inf(0)
--BODY--
State: [1] 0 {0}
[!1] 0
 1
State: 1
[!0] 1
     2
State: 2
     1
[t] 2
   1 2
--END--
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
HOA: v1
States: 1
Start: 0
AP: 2 "a" "b"
Acceptance: 1 Inf(0)
properties: trans-labels /* this is bogus */
--BODY--
State: [1] 0 {0} 0
--END--
HOA: v1
States: 1
Start: 0
AP: 2 "a" "b"
Acceptance: 1 Inf(0)
properties: state-labels trans-labels /* this is bogus */
--BODY--
State: [1] 0 {0} 0
--END--
HOA: v1
States: 1
Start: 0
AP: 2 "a" "b"
Acceptance: 1 Inf(0)
properties: state-labels /* OK */
--BODY--
State: [1] 0 {0} 0
--END--
839
840
841
EOF

expecterr input <<EOF
842
843
844
845
input:10.1-4: cannot label this edge because...
input:9.8-10: ... the state is already labeled.
input:14.6: missing label for this edge (previous edge is labeled)
input:17.1-3: ignoring this label, because previous edge has no label
846
847
848
849
input:27.8-10: state label used although the automaton was...
input:25.13-24: ... declared with 'property: trans-labels' here
input:34.26-37: 'property: trans-labels' is incompatible with...
input:34.13-24: ... 'property: state-labels'.
850
851
EOF

852
853
854

cat >input <<EOF
HOA: v1
855
856
857
States: /* multi-line
comment
*/2
858
Start: 0
859
860
Important: 4 very important "with multi-line
string!"
861
862
863
864
865
866
867
868
869
AP: 0
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0} 1
State: 1 0
--END--
EOF

expecterr input <<EOF
870
input:6.1-7.8: ignoring unsupported header "Important:"
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
	(but the capital indicates information that should not be ignored)
EOF

cat >expected <<EOF
HOA: v1
States: 2
Start: 0
AP: 0
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc complete deterministic
--BODY--
State: 0 {0}
[t] 1
State: 1
[t] 0
--END--
EOF

diff expected input.out
891

892
# DOS-style new lines should have the same output.
893
perl -pe -e 's/$/\r/' input
894
895
896
897
../../bin/autfilt --hoa input 2>stderr && exit 1
cat stderr
diff stderr input.exp
diff expected input.out
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942

# Error recovery

cat >input <<EOF
HOA: v1
States: 2
Start: 0
AP: 0
acc-name: Buchi
Acceptance: 1 Inf(0)
--BODY--
State: 0 {a}  /* not a digit */
[t] 1
State: 1
[a] 0         /* not a digit */
--END--
HOA: v1
Acceptance: 1 Inf(0)
States: 2
Start: 0
AP: 0
acc-name: Buchi
--BODY--
State: 0 {0}
[t] "f" 1     /* WTF? */
State: 1
[t] 0
--END--
some garbage HOA: v1
Acceptance: 1 Inf(0)
States: 2
Start: 0
AP: 0
acc-name: Buchi
--BODY--
Stat: 0 {0}  /* not State: */
[t] 1
State: 1
[t] 0
--END--
this is complete garbage!
--END--
and even more garbage
EOF

943
se='syntax error, unexpected'  # this is just to keep lines short
944
end='end of file or HOA: or never or LBTT header'
945
expecterr input <<EOF
946
input:8.11: $se identifier, expecting integer or '}'
947
input:8.10-12: ignoring this invalid acceptance set
948
input:11.2: $se identifier
949
input:11.1-3: ignoring this invalid label
950
input:21.5-7: $se string, expecting integer
951
input:25.1: $se \$undefined, expecting $end
952
input:25.1-12: ignoring leading garbage
953
input:32.1-5: $se header name, expecting --END-- or State:
954
input:37.1: $se 't', expecting $end
955
autfilt: failed to read automaton from input
956
EOF
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022

# A comment can contain --BODY-- or --END--, so we do not want to be
# smart about it.
cat >input <<EOF
HOA: v1
States: 2
Start: 0
AP: 0
acc-name: Buchi /* unclosed comment
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
[t] 1
State: 1
[t] 0
--END--
HOA: v1
States: 2
Start: 0
AP: 0
acc-name: Buchi
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
[t] 1
State: 1
[t] 0
--END--
EOF

expecterr input <<EOF
input:5.17-25.1: unclosed comment
input:5.17-25.1: syntax error, unexpected end of file
autfilt: failed to read automaton from input
EOF

# Likewise for strings
cat >input <<EOF
HOA: v1
States: 2
Start: 0
tool: "unterminated string
AP: 0
acc-name: Buchi
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
[t] 1
State: 1
[t] 0
--END--
HOA: v1
States: 2
Start: 0
AP: 0
acc-name: Buchi
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
[t] 1
State: 1
[t] 0
--END--
EOF

expecterr input <<EOF
1023
1024
input:4.7-26.1: unclosed string
input:26.1: syntax error, unexpected end of file
1025
1026
autfilt: failed to read automaton from input
EOF
1027
1028
1029
1030

expecterr non-existant<<EOF
autfilt: Cannot open file non-existant
EOF
1031

1032
1033
1034
run 2 ../ltl2tgba -XH foob 2>output.err
grep 'foob:1.1: Cannot open file foob' output.err

1035
1036
1037
1038
# Make sure we can read multiple automata from stdin
../../bin/ltl2tgba 'a U b' 'GFa' --hoa | grep -v '^name:' > input
../../bin/autfilt --hoa < input | ../../bin/autfilt --hoa > output
diff input output
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060



# Parse something in debug mode, to exercise the %printer
cat >input <<EOF
HOA: v1
States: 2
Start: 0
AP: 0
acc-name: Buchi
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
[t] 1
State: 1
[t] 0
--END--
EOF

run 0 ../ltl2tgba -d -XH input 2> output.err
grep -- "--BODY--" output.err
grep "identifier.*v1" output.err
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141



# This was generated by
#      randaut -n 10 -Hl 3 -d 0.055 --seed=3 | fmt
cat > input <<EOF
HOA: v1 States: 10 Start: 0 AP: 3 "p0" "p1" "p2" acc-name: all Acceptance:
0 t properties: trans-labels explicit-labels state-acc deterministic
--BODY-- State: 0 [0&!1&2] 0 [0&1&2] 1 State: 1 [0&1&2] 2 State: 2
[!0&1&!2] 3 State: 3 [!0&1&!2] 4 State: 4 [!0&1&2] 1 [0&!1&!2] 5 State:
5 [!0&1&2] 6 State: 6 [!0&1&2] 7 State: 7 [0&1&2] 8 State: 8 [!0&!1&2]
9 State: 9 [0&1&2] 2 [!0&!1&!2] 6 [!0&1&!2] 1 --END-- HOA: v1 States: 10
Start: 0 AP: 3 "p0" "p1" "p2" acc-name: all Acceptance: 0 t properties:
trans-labels explicit-labels state-acc deterministic --BODY-- State: 0
[!0&1&2] 1 State: 1 [0&!1&!2] 2 State: 2 [!0&1&!2] 3 State: 3 [0&!1&2]
4 [!0&!1&!2] 5 [!0&1&!2] 6 State: 4 [!0&!1&!2] 7 [0&!1&2] 0 State: 5
[0&1&!2] 8 State: 6 [!0&1&!2] 7 State: 7 [!0&1&!2] 9 State: 8 [!0&1&2]
2 State: 9 [0&1&2] 6 --END-- HOA: v1 States: 10 Start: 0 AP: 3 "p0"
"p1" "p2" acc-name: all Acceptance: 0 t properties: trans-labels
explicit-labels state-acc deterministic --BODY-- State: 0 [0&1&!2]
1 State: 1 [0&1&!2] 2 [0&!1&!2] 3 State: 2 [!0&1&!2] 1 [!0&!1&!2] 4
State: 3 [0&1&!2] 5 State: 4 [!0&1&2] 3 [!0&!1&2] 6 State: 5 [0&1&!2]
7 State: 6 [!0&!1&!2] 8 State: 7 [!0&!1&!2] 5 State: 8 [!0&!1&!2] 9
[0&1&!2] 6 State: 9 [!0&1&2] 8 [0&!1&2] 4 [!0&!1&!2] 7 --END-- HOA:
v1 States: 10 Start: 0 AP: 3 "p0" "p1" "p2" acc-name: all Acceptance:
0 t properties: trans-labels explicit-labels state-acc --BODY-- State:
0 [0&1&2] 1 State: 1 [0&1&2] 2 State: 2 [0&!1&!2] 3 [0&!1&2] 4 [0&!1&2]
0 State: 3 [!0&1&2] 1 [0&!1&2] 2 [!0&!1&2] 5 State: 4 [0&1&!2] 6 State: 5
[!0&1&!2] 7 State: 6 [0&!1&!2] 2 State: 7 [!0&!1&2] 8 State: 8 [0&!1&!2]
9 State: 9 [!0&1&!2] 7 [!0&1&!2] 6 --END-- HOA: v1 States: 10 Start: 0 AP:
3 "p0" "p1" "p2" acc-name: all Acceptance: 0 t properties: trans-labels
explicit-labels state-acc --BODY-- State: 0 [!0&!1&2] 1 State: 1 [!0&!1&2]
2 State: 2 [0&1&!2] 3 State: 3 [!0&1&!2] 4 State: 4 [!0&1&2] 5 State:
5 [0&!1&!2] 6 State: 6 [!0&!1&!2] 5 [!0&!1&!2] 7 State: 7 [!0&!1&!2] 7
[!0&!1&2] 6 [0&!1&2] 8 State: 8 [0&1&2] 8 [0&1&!2] 9 State: 9 [0&!1&2]
2 --END-- HOA: v1 States: 10 Start: 0 AP: 3 "p0" "p1" "p2" acc-name:
all Acceptance: 0 t properties: trans-labels explicit-labels state-acc
deterministic --BODY-- State: 0 [!0&!1&2] 1 State: 1 [0&!1&!2] 2 State: 2
[!0&!1&2] 3 State: 3 [!0&!1&!2] 4 State: 4 [!0&1&!2] 5 State: 5 [!0&1&2]
6 State: 6 [0&1&!2] 1 [!0&!1&!2] 3 [!0&1&2] 7 State: 7 [0&1&2] 8 State:
8 [0&!1&!2] 7 [0&1&!2] 9 State: 9 [0&1&2] 0 --END-- HOA: v1 States: 10
Start: 0 AP: 3 "p0" "p1" "p2" acc-name: all Acceptance: 0 t properties:
trans-labels explicit-labels state-acc deterministic --BODY-- State: 0
[0&1&!2] 1 State: 1 [!0&1&2] 2 State: 2 [0&1&2] 3 State: 3 [0&1&!2] 4
State: 4 [!0&!1&2] 5 State: 5 [!0&!1&!2] 6 State: 6 [!0&1&!2] 7 State: 7
[!0&!1&!2] 3 [!0&1&2] 8 State: 8 [0&!1&2] 9 State: 9 [!0&!1&!2] 9 [0&!1&2]
3 [!0&1&!2] 2 --END-- HOA: v1 States: 10 Start: 0 AP: 3 "p0" "p1" "p2"
acc-name: all Acceptance: 0 t properties: trans-labels explicit-labels
state-acc --BODY-- State: 0 [0&!1&!2] 1 State: 1 [!0&!1&2] 2 [0&!1&2] 3
State: 2 [0&!1&2] 4 State: 3 [0&!1&!2] 5 [0&!1&!2] 6 State: 4 [0&!1&!2] 7
[0&!1&2] 3 State: 5 [!0&!1&!2] 8 State: 6 [!0&!1&2] 4 [0&!1&2] 6 State: 7
[0&!1&2] 4 [!0&!1&!2] 1 State: 8 [!0&1&2] 6 [0&1&2] 9 State: 9 [0&1&!2]
3 --END-- HOA: v1 States: 10 Start: 0 AP: 3 "p0" "p1" "p2" acc-name:
all Acceptance: 0 t properties: trans-labels explicit-labels state-acc
--BODY-- State: 0 [!0&1&2] 1 State: 1 [!0&!1&!2] 2 [!0&!1&2] 3 [!0&1&2]
4 [!0&1&2] 5 State: 2 [0&1&!2] 2 [0&!1&2] 6 State: 3 [0&1&2] 3 [0&!1&2] 7
[!0&1&2] 2 State: 4 [!0&!1&!2] 8 State: 5 [0&!1&!2] 2 [!0&!1&2] 6 State:
6 [!0&!1&2] 2 [!0&1&!2] 7 State: 7 [0&1&2] 9 State: 8 [!0&1&2] 7 State:
9 [!0&1&2] 2 --END-- HOA: v1 States: 10 Start: 0 AP: 3 "p0" "p1" "p2"
acc-name: all Acceptance: 0 t properties: trans-labels explicit-labels
state-acc deterministic --BODY-- State: 0 [!0&!1&!2] 1 State: 1 [0&1&!2] 2
[!0&!1&!2] 3 [0&!1&2] 4 State: 2 [0&1&!2] 5 State: 3 [!0&!1&!2] 6 State:
4 [!0&!1&!2] 7 State: 5 [!0&1&2] 2 State: 6 [!0&!1&2] 8 State: 7 [0&1&2]
9 State: 8 [0&!1&!2] 7 State: 9 [!0&1&!2] 1 [0&1&!2] 7 --END--
EOF

expectok input --is-deter --stats='%F:%L: %c' <<EOF
input:1.1-6.53: 2
input:6.55-12.28: 2
input:12.30-18.62: 5
input:30.11-35.51: 1
input:35.53-41.21: 3
input:53.22-58.62: 3
EOF

expectok input -v --is-deter --stats='%F:%L: %n' <<EOF
input:18.64-24.42: 2
input:24.44-30.9: 1
input:41.23-47.9: 1
input:47.11-53.20: 1
EOF
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192

# An example from ltl3ba
cat >input <<EOF
HOA: v1
tool: "ltl3ba" "1.1.0 - working copy"
name: "BA for GFa && GF(b&&c) && GF(d||e) || x"
States: 6
Start: 0
acc-name: Buchi
Acceptance: 1 Inf(0)
AP: 6 "a" "b" "c" "d" "e" "x"
properties: trans-labels explicit-labels state-acc no-univ-branch
--BODY--
State: 0 "T0_init"
 [(5)] 5
 [t] 4
 [(0)] 3
 [(0 & 1 & 2)] 2
 [(0 & 1 & 2 & !3 & 4) | (0 & 1 & 2 & 3)] 1
State: 1 "accept_S1" {0}
 [t] 4
 [(0)] 3
 [(0 & 1 & 2)] 2
 [(0 & 1 & 2 & !3 & 4) | (0 & 1 & 2 & 3)] 1
State: 2 "T2_S1"
 [t] 2
 [(!3 & 4) | (3)] 1
State: 3 "T1_S1"
 [t] 3
 [(1 & 2)] 2
 [(1 & 2 & !3 & 4) | (1 & 2 & 3)] 1
State: 4 "T0_S1"
 [t] 4
 [(0)] 3
 [(0 & 1 & 2)] 2
 [(0 & 1 & 2 & !3 & 4) | (0 & 1 & 2 & 3)] 1
State: 5 "accept_all" {0}
 [t] 5
--END--
EOF

expectok input <<EOF
HOA: v1
name: "BA for GFa && GF(b&&c) && GF(d||e) || x"
States: 6
Start: 0
AP: 6 "a" "b" "c" "d" "e" "x"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc complete
--BODY--
1193
State: 0 "T0_init"
1194
1195
1196
1197
1198
[5] 5
[t] 4
[0] 3
[0&1&2] 2
[0&1&2&3 | 0&1&2&4] 1
1199
State: 1 "accept_S1" {0}
1200
1201
1202
1203
[t] 4
[0] 3
[0&1&2] 2
[0&1&2&3 | 0&1&2&4] 1
1204
State: 2 "T2_S1"
1205
1206
[t] 2
[3 | 4] 1
1207
State: 3 "T1_S1"
1208
1209
1210
[t] 3
[1&2] 2
[1&2&3 | 1&2&4] 1
1211
State: 4 "T0_S1"
1212
1213
1214
1215
[t] 4
[0] 3
[0&1&2] 2
[0&1&2&3 | 0&1&2&4] 1
1216
State: 5 "accept_all" {0}
1217
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1219
[t] 5
--END--
EOF
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# Another example from ltl3ba
# Here we make sure that we do not always need to create a fake
# initial state when multiple initial states are used.
cat >input <<EOF
HOA: v1
tool: "ltl3ba" "1.1.0 - working copy"
name: "TGBA for GFa && GF(b&&c) && GF(d||e) || x"
States: 3
Start: 0
Start: 2
acc-name: generalized-Buchi 3
Acceptance: 3 Inf(0) & Inf(1) & Inf(2)
AP: 6 "a" "b" "c" "d" "e" "x"
properties: trans-labels explicit-labels trans-acc no-univ-branch
--BODY--
State: 0 "(x)"
 [(5)] 1 {0 1 2}
State: 1 "t"
 [t] 1 {0 1 2}
State: 2 "G((F(a) && F((b) && (c))) && F((d) || (e)))"
 [t] 2
 [(0)] 2 {0}
 [(1 & 2)] 2 {1}
 [(0 & 1 & 2)] 2 {0 1}
 [(!3 & 4) | (3)] 2 {2}
 [(0 & !3 & 4) | (0 & 3)] 2 {0 2}
 [(1 & 2 & !3 & 4) | (1 & 2 & 3)] 2 {1 2}
 [(0 & 1 & 2 & !3 & 4) | (0 & 1 & 2 & 3)] 2 {0 1 2}
--END--
EOF

expectok input <<EOF
HOA: v1
name: "TGBA for GFa && GF(b&&c) && GF(d||e) || x"
States: 3
Start: 0
AP: 6 "a" "b" "c" "d" "e" "x"
acc-name: generalized-Buchi 3
Acceptance: 3 Inf(0)&Inf(1)&Inf(2)
properties: trans-labels explicit-labels trans-acc complete
--BODY--
1262
State: 0 "(x)"
1263
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1268
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[5] 1 {0 1 2}
[t] 2
[0] 2
[1&2] 2
[0&1&2] 2
[3 | 4] 2
[0&3 | 0&4] 2
[1&2&3 | 1&2&4] 2
[0&1&2&3 | 0&1&2&4] 2
1272
State: 1 "t"
1273
[t] 1 {0 1 2}
1274
State: 2 "G((F(a) && F((b) && (c))) && F((d) || (e)))"
1275
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[t] 2
[0] 2 {0}
[1&2] 2 {1}
[0&1&2] 2 {0 1}
[3 | 4] 2 {2}
[0&3 | 0&4] 2 {0 2}
[1&2&3 | 1&2&4] 2 {1 2}
[0&1&2&3 | 0&1&2&4] 2 {0 1 2}
--END--
EOF
1285
1286


1287
# named states can be output as comments in never claim
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cat >input <<EOF
HOA: v1
name: "a U b"
States: 2
Start: 1
AP: 2 "a" "b"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc deterministic
--BODY--
State: 0 "s0" {0}
[t] 0
State: 1 "s1"
[1] 0
[0&!1] 1
--END--
EOF
expectok input --spin=c <<EOF
never { /* a U b */
T0_init: /* s1 */
  if
  :: ((b)) -> goto accept_all
  :: ((a) && (!(b))) -> goto T0_init
  fi;
accept_all: /* s0 */
  skip
}
EOF
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# ltl3ba 1.1.1 has a bug where it outputs
#   Acceptance: 1 t
# when it meant
#   Acceptance: 1 Inf(0)
# and a development version of our parser would
# incorrectly interpret the former as the latter.

cat >input <<EOF
HOA: v1
tool: "ltl3ba" "1.1.1"
name: "TGBA for Fa"
States: 2
Start: 0
acc-name: generalized-Buchi 1
Acceptance: 1 t
AP: 1 "a"
properties: trans-labels explicit-labels trans-acc no-univ-branch
--BODY--
State: 0 "F(a)"
 [(0)] 1 {0}
 [(!0)] 0
State: 1 "t"
 [t] 1 {0}
--END--
/* Also try with more acceptance sets */
HOA: v1
States: 1
Start: 0
AP: 3 "a" "b" "c"
Acceptance: 5 Inf(0)&Inf(4)&Inf(2)&Inf(!2)
properties: trans-labels explicit-labels trans-acc complete deterministic
--BODY--
State: 0
[0&1&2] 0 {0 4 2}
[!0&1&2] 0 {4 2}
[0&!1&2] 0 {0 2}
[!0&!1&2] 0 {2}
[0&1&!2] 0 {0 4}
[!0&1&!2] 0 {4}
[0&!1&!2] 0 {0}
[!0&!1&!2] 0
--END--
EOF

1362
expectok input -v --is-empty <<EOF
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1367
HOA: v1
name: "TGBA for Fa"
States: 2
Start: 0
AP: 1 "a"
1368
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Acceptance: 1 t
properties: trans-labels explicit-labels trans-acc complete deterministic
1370
1371
--BODY--
State: 0 "F(a)"
1372
[0] 1 {0}
1373
1374
[!0] 0
State: 1 "t"
1375
[t] 1 {0}
1376
1377
1378
1379
1380
--END--
HOA: v1
States: 1
Start: 0
AP: 3 "a" "b" "c"
1381
Acceptance: 6 Inf(0)&Inf(2)&Inf(4)&Inf(5)
1382
1383
1384
properties: trans-labels explicit-labels trans-acc complete deterministic
--BODY--
State: 0
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[0&1&2] 0 {0 2 4}
[!0&1&2] 0 {2 4}
[0&!1&2] 0 {0 2}
[!0&!1&2] 0 {2}
[0&1&!2] 0 {0 4 5}
[!0&1&!2] 0 {4 5}
[0&!1&!2] 0 {0 5}
[!0&!1&!2] 0 {5}
1393
1394
--END--
EOF
1395
1396


1397
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# Test removal of useless acceptance sets

# The mapping of acceptance sets for the second automaton is
#   input   ->  output
#     0     ->    0
#     1     ->   removed
#     2     ->    1
#     3     ->   removed
#     4     ->    2
#    !2     ->    3
expectok input --cleanup-acc <<EOF
HOA: v1
name: "TGBA for Fa"
States: 2
Start: 0
AP: 1 "a"
acc-name: all
Acceptance: 0 t
properties: trans-labels explicit-labels state-acc complete deterministic
--BODY--
State: 0 "F(a)"
[0] 1
[!0] 0
State: 1 "t"
[t] 1
--END--
HOA: v1
States: 1
Start: 0
AP: 3 "a" "b" "c"
acc-name: generalized-Buchi 4
Acceptance: 4 Inf(0)&Inf(1)&Inf(2)&Inf(3)
properties: trans-labels explicit-labels trans-acc complete deterministic
--BODY--
State: 0
[0&1&2] 0 {0 1 2}
[!0&1&2] 0 {1 2}
[0&!1&2] 0 {0 1}
[!0&!1&2] 0 {1}
[0&1&!2] 0 {0 2 3}
[!0&1&!2] 0 {2 3}
[0&!1&!2] 0 {0 3}
[!0&!1&!2] 0 {3}
--END--
EOF