hoaparse.test 29.9 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)
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properties: trans-labels explicit-labels state-acc complete
properties: deterministic
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--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)
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properties: trans-labels explicit-labels trans-acc complete
properties: deterministic
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--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)
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properties: trans-labels explicit-labels trans-acc complete
properties: deterministic
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--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


671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
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
}
686
687
688
689
690
EOF

expectok input <<EOF
HOA: v1
States: 3
691
Start: 2
692
AP: 2 "a" "\"b\""
693
694
695
696
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc complete
--BODY--
697
State: 0 {0}
698
[1] 1
699
[!1] 0
700
701
State: 1
[!0] 1
702
703
[0] 0
State: 2
704
[1] 1
705
706
707
[!1] 0
[!0] 1
[0] 0
708
--END--
709
HOA: v1
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
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
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
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--
758
759
760
761
762
763
764
765
766
767
768
769
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
770
[!1] 0  /* nested /* comment */ */
771
772
773
774
775
776
777
778
779
780
781
782
783
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)
784
785
properties: trans-labels explicit-labels state-acc complete
properties: deterministic
786
787
788
789
790
791
792
793
794
--BODY--
State: 0 {0}
[1] 1
[!1] 0
State: 1
[!0] 1
[0] 0
--END--
EOF
795

796
797
798
799
cat >input <<EOF
HOA: v1
States: 3
Start: 0
800
801
802
AP: 2 "a" "b"/* multi
line
comment */
803
804
805
806
807
808
809
810
811
812
813
814
815
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--
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
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--
843
844
845
EOF

expecterr input <<EOF
846
847
848
849
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
850
851
852
853
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'.
854
855
EOF

856
857
858

cat >input <<EOF
HOA: v1
859
860
861
States: /* multi-line
comment
*/2
862
Start: 0
863
864
Important: 4 very important "with multi-line
string!"
865
866
867
868
869
870
871
872
873
AP: 0
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0} 1
State: 1 0
--END--
EOF

expecterr input <<EOF
874
input:6.1-7.8: ignoring unsupported header "Important:"
875
876
877
878
879
880
881
882
883
884
	(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)
885
886
properties: trans-labels explicit-labels state-acc complete
properties: deterministic
887
888
889
890
891
892
893
894
895
--BODY--
State: 0 {0}
[t] 1
State: 1
[t] 0
--END--
EOF

diff expected input.out
896

897
# DOS-style new lines should have the same output.
898
perl -pe -e 's/$/\r/' input
899
900
901
902
../../bin/autfilt --hoa input 2>stderr && exit 1
cat stderr
diff stderr input.exp
diff expected input.out
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
943
944
945
946
947

# 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

948
se='syntax error, unexpected'  # this is just to keep lines short
949
end='end of file or HOA: or never or LBTT header'
950
expecterr input <<EOF
951
input:8.11: $se identifier, expecting integer or '}'
952
input:8.10-12: ignoring this invalid acceptance set
953
input:11.2: $se identifier
954
input:11.1-3: ignoring this invalid label
955
input:21.5-7: $se string, expecting integer
956
input:25.1: $se \$undefined, expecting $end
957
input:25.1-12: ignoring leading garbage
958
input:32.1-5: $se header name, expecting --END-- or State:
959
input:37.1: $se 't', expecting $end
960
autfilt: failed to read automaton from input
961
EOF
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
1023
1024
1025
1026
1027

# 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
1028
1029
input:4.7-26.1: unclosed string
input:26.1: syntax error, unexpected end of file
1030
1031
autfilt: failed to read automaton from input
EOF
1032
1033
1034
1035

expecterr non-existant<<EOF
autfilt: Cannot open file non-existant
EOF
1036

1037
1038
1039
run 2 ../ltl2tgba -XH foob 2>output.err
grep 'foob:1.1: Cannot open file foob' output.err

1040
# Make sure we can read multiple automata from stdin
1041
1042
../../bin/ltl2tgba 'a U b' 'GFa' --hoa | grep -v '^name:' |
    sed 's/ stutter-invariant//;s/ inherently-weak//;/properties:$/d' > input
1043
1044
../../bin/autfilt --hoa < input | ../../bin/autfilt --hoa > output
diff input output
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066



# 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
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
1142
1143
1144
1145
1146
1147



# 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
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
1193
1194
1195
1196
1197
1198

# 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--
1199
State: 0 "T0_init"
1200
1201
1202
1203
1204
[5] 5
[t] 4
[0] 3
[0&1&2] 2
[0&1&2&3 | 0&1&2&4] 1
1205
State: 1 "accept_S1" {0}
1206
1207
1208
1209
[t] 4
[0] 3
[0&1&2] 2
[0&1&2&3 | 0&1&2&4] 1
1210
State: 2 "T2_S1"
1211
1212
[t] 2
[3 | 4] 1
1213
State: 3 "T1_S1"
1214
1215
1216
[t] 3
[1&2] 2
[1&2&3 | 1&2&4] 1
1217
State: 4 "T0_S1"
1218
1219
1220
1221
[t] 4
[0] 3
[0&1&2] 2
[0&1&2&3 | 0&1&2&4] 1
1222
State: 5 "accept_all" {0}
1223
1224
1225
[t] 5
--END--
EOF
1226
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1230
1231
1232
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1234
1235
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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--
1268
State: 0 "(x)"
1269
1270
1271
1272
1273
1274
1275
1276
1277
[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
1278
State: 1 "t"
1279
[t] 1 {0 1 2}
1280
State: 2 "G((F(a) && F((b) && (c))) && F((d) || (e)))"
1281
1282
1283
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1285
1286
1287
1288
1289
1290
[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
1291
1292


1293
# 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
1322
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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

1368
expectok input -v --is-empty <<EOF
1369
1370
1371
1372
1373
HOA: v1
name: "TGBA for Fa"
States: 2
Start: 0
AP: 1 "a"
1374
Acceptance: 1 t
1375
1376
properties: trans-labels explicit-labels trans-acc complete
properties: deterministic
1377
1378
--BODY--
State: 0 "F(a)"
1379
[0] 1 {0}
1380
1381
[!0] 0
State: 1 "t"
1382
[t] 1 {0}
1383
1384
1385
1386
1387
--END--
HOA: v1
States: 1
Start: 0
AP: 3 "a" "b" "c"
1388
Acceptance: 6 Inf(0)&Inf(2)&Inf(4)&Inf(5)
1389
1390
properties: trans-labels explicit-labels trans-acc complete
properties: deterministic
1391
1392
--BODY--
State: 0
1393
1394
1395
1396
1397
1398
1399
1400
[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}
1401
1402
--END--
EOF
1403
1404


1405
1406
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1422
# 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
1423
1424
properties: trans-labels explicit-labels state-acc complete
properties: deterministic
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
--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)
1438
1439
properties: trans-labels explicit-labels trans-acc complete
properties: deterministic
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
--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
1452
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1454
1455
1456


# Implicit labels

../../bin/ltl2tgba -H 'GFa & GFb & (c U d)' > out.hoa
1457
1458
../../bin/ltl2tgba -C -Hi 'GFa & GFb & (c U d)' |
    sed 's/ stutter-invariant//;/properties:$/d' > out-i.hoa
1459
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../../bin/autfilt -C -Hi out.hoa --name=%M > out-i2.hoa
diff out-i.hoa out-i2.hoa

cat >expected <<EOF
HOA: v1
name: "(c U d) & G(Fa & Fb)"
States: 3
Start: 1
AP: 4 "c" "d" "a" "b"
acc-name: generalized-Buchi 2
Acceptance: 2 Inf(0)&Inf(1)
properties: implicit-labels trans-acc complete deterministic
--BODY--
State: 0
0
0
0
0
0 {0}
0 {0}
0 {0}
0 {0}
0 {1}
0 {1}
0 {1}
0 {1}
0 {0 1}
0 {0 1}
0 {0 1}
0 {0 1}
State: 1
2
1
0
0
2
1
0
0
2
1
0
0
2
1
0
0
State: 2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
--END--
EOF

diff out-i.hoa expected

expectok out-i.hoa --sbacc -Hi <<EOF
HOA: v1
States: 6
Start: 0
AP: 4 "c" "d" "a" "b"
acc-name: generalized-Buchi 2
Acceptance: 2 Inf(0)&Inf(1)
properties: implicit-labels state-acc complete deterministic
--BODY--
State: 0
1 0 2 2 1 0 2 2 1 0 2 2 1 0 2 2
State: 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
State: 2
2 2 2 2 3 3 3 3 4 4 4 4 5 5 5 5
State: 3 {0}
2 2 2 2 3 3 3 3 4 4 4 4 5 5 5 5
State: 4 {1}
2 2 2 2 3 3 3 3 4 4 4 4 5 5 5 5
State: 5 {0 1}
2 2 2 2 3 3 3 3 4 4 4 4 5 5 5 5
--END--
EOF