#!/bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) 2009, 2010, 2012, 2014, 2015, 2016 Laboratoire de
# Recherche et Développement de l'Epita (LRDE).
# Copyright (C) 2003, 2004 Laboratoire d'Informatique de Paris 6 (LIP6),
# département Systèmes Répartis Coopératifs (SRC), Université Pierre
# et Marie Curie.
#
# 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

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

run 0 autfilt --hoa input > stdout
diff stdout input

test `autfilt -c --is-weak input` = 0

autfilt -H1.1 -v --is-weak input | grep properties: | tee props
cat >expected.props <<EOF
properties: trans-labels explicit-labels state-acc !complete
properties: deterministic !weak
EOF
diff expected.props props


# Transition merging
cat >input <<\EOF
HOA: v1
States: 2
Start: 0
AP: 2 "a" "b"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels trans-acc
--BODY--
State: 0
[0&1] 1 {0}
[!1] 1
[0&!1] 1 {0}
State: 1
[!1] 0
[1&0] 0 {0}
[0&!1] 0 {0}
--END--
EOF

cat >expected <<\EOF
HOA: v1
States: 2
Start: 0
AP: 2 "a" "b"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels trans-acc
--BODY--
State: 0
[!1] 1
[0] 1 {0}
State: 1
[!1] 0
[0] 0 {0}
--END--
EOF

run 0 autfilt --merge-transitions --hoa input > stdout
cat stdout
run 0 autfilt -F stdout --isomorph expected

# Likewise, with a randomly generated TGBA.
run 0 randaut -Q 20 a b -e 0.2 -a 0.2 -A 2 --hoa | tee input

# the first read-write can renumber the states
run 0 autfilt --hoa --merge-transitions input > stdout
run 0 autfilt -F input --isomorph stdout

# But this second output should be the same as the first
run 0 autfilt --hoa stdout > stdout2
diff stdout stdout2

# Find formula that can be translated into a 3-state automaton, and
# exercise both %M and %m.  The nonexistant file should never be
# open, because the input stream is infinite and autfilt should
# stop after 10 automata.
randltl -n -1 a b | ltl2tgba |
    autfilt -F - -F nonexistant --states=3 --edges=..10 --acc-sets=1.. \
	     --name='%M, %S states' --stats='<%m>, %e, %a' -n 10 > output
cat >expected <<EOF
<F(b | Ga), 3 states>, 5, 1
<F(!b & G(!b | G!a)), 3 states>, 5, 1
<XF!b, 3 states>, 4, 1
<Gb | G!b, 3 states>, 4, 1
<XFb, 3 states>, 4, 1
<F(b W a), 3 states>, 6, 1
<(a & !b & (b | (!b M F!a))) | (!a & (b | (!b & (b W Ga)))), 3 states>, 5, 1
<(a & (a U !b)) | (!a & (!a R b)), 3 states>, 5, 1
<a | G((a & GFa) | (!a & FG!a)), 3 states>, 4, 1
<XXG(!a & (Fa W Gb)), 3 states>, 3, 1
EOF
diff output expected


cat >input <<EOF
HOA: v1
States: 10
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
--BODY--
State: 0
[t] 0 {0}
[!0] 1 {0}
[!0] 2 {0}
[0] 3 {0}
[0] 3 {0 2}
[!0] 2 {0 2}
[!0] 4 {1}
[!0] 5 {1}
[!0] 6 {1}
[!0] 6 {1 2}
[!0] 7 {1}
[!0] 8 {1}
[!0] 9 {1}
[!0] 9 {1 2}
[!0] 4 {0 1}
[!0] 5 {0 1}
[!0] 6 {0 1}
[!0] 6 {0 1 2}
[!0] 7 {0 1}
[!0] 8 {0 1}
[!0] 9 {0 1}
[!0] 9 {0 1 2}
State: 1
[0] 3 {0 2}
State: 2
[!0] 2 {0 2}
[!0] 6 {1 2}
[!0] 9 {1 2}
[!0] 6 {0 1 2}
[!0] 9 {0 1 2}
State: 3
[!0] 1 {0 2}
[!0] 2 {0}
[0] 3 {0 2}
[!0] 2 {0 2}
[!0] 5 {1 2}
[!0] 6 {1}
[!0] 6 {1 2}
[!0] 8 {1 2}
[!0] 9 {1}
[!0] 9 {1 2}
[!0] 5 {0 1 2}
[!0] 6 {0 1}
[!0] 6 {0 1 2}
[!0] 8 {0 1 2}
[!0] 9 {0 1}
[!0] 9 {0 1 2}
State: 4
[!0] 4 {1}
[!0] 5 {1}
[!0] 6 {1}
[!0] 6 {1 2}
[!0] 7
[!0] 8
[!0] 9
[!0] 9 {2}
[!0] 7 {1}
[!0] 8 {1}
[!0] 9 {1}
[!0] 9 {1 2}
State: 5
State: 6
[!0] 6 {1 2}
[!0] 9 {2}
[!0] 9 {1 2}
State: 7
[0] 0 {0}
[0] 3 {0}
[0] 3 {0 2}
State: 8
[0] 3 {0 2}
State: 9
--END--
EOF

cat >expected <<EOF
HOA: v1
name: "63->32 edges, 64->33 transitions"
States: 10
Start: 0
AP: 1 "a"
acc-name: generalized-Buchi 3
Acceptance: 3 Inf(0)&Inf(1)&Inf(2)
properties: trans-labels explicit-labels
--BODY--
State: 0
[t] 0 {0}
[!0] 1 {0}
[!0] 2 {0 2}
[0] 3 {0 2}
[!0] 4 {0 1}
[!0] 5 {0 1}
[!0] 6 {0 1 2}
[!0] 7 {0 1}
[!0] 8 {0 1}
[!0] 9 {0 1 2}
State: 1 {0 2}
[0] 3
State: 2
[!0] 2 {0 2}
[!0] 6 {0 1 2}
[!0] 9 {0 1 2}
State: 3
[!0] 1 {0 2}
[!0] 2 {0 2}
[0] 3 {0 2}
[!0] 5 {0 1 2}
[!0] 6 {0 1 2}
[!0] 8 {0 1 2}
[!0] 9 {0 1 2}
State: 4
[!0] 4 {1}
[!0] 5 {1}
[!0] 6 {1 2}
[!0] 7 {1}
[!0] 8 {1}
[!0] 9 {1 2}
State: 5
State: 6 {1 2}
[!0] 6
[!0] 9
State: 7
[0] 0 {0}
[0] 3 {0 2}
State: 8 {0 2}
[0] 3
State: 9
--END--
EOF

autfilt --merge -Hm input --name="%E->%e edges, %T->%t transitions" > output
diff output expected


ltl2tgba -x degen-lskip=1 --ba > tmp.hoa <<EOF
a U b
false
!b && Xb && GFa
EOF
autfilt <tmp.hoa --stats='"%M","%w"' > output
cat >expected <<EOF
"a U b","cycle{b}"
"0",""
"!b & X(b & GFa)","!b; cycle{a & b}"
EOF
diff output expected


cat >input <<EOF
HOA: v1
States: 4
Start: 2
Start: 3
AP: 2 "a" "b"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc
--BODY--
State: 0 "s0" {0}
[1] 0
State: 1 "s1" {0}
[0] 1
State: 2 "s2"
[1] 0
State: 3 "s3"
[0] 1
--END--
EOF

autfilt -H input |
    SPOT_DEFAULT_FORMAT=dot \
    SPOT_DOTDEFAULT=vcsn \
    SPOT_DOTEXTRA='/* hello world */' \
    autfilt >output

cat >expected <<EOF
digraph G {
  node [shape="circle"]
  /* hello world */
  I [label="", style=invis, height=0]
  I -> 3
  subgraph cluster_0 {
  color=green
  1 [label="s1", peripheries=2]
  }
  subgraph cluster_1 {
  color=green
  0 [label="s0", peripheries=2]
  }
  subgraph cluster_2 {
  color=black
  3 [label="s3"]
  }
  0 -> 0 [label="b"]
  1 -> 1 [label="a"]
  2 [label="s2"]
  2 -> 0 [label="b"]
  3 -> 1 [label="a"]
  3 -> 0 [label="b"]
}
EOF

diff output expected

test 1 = `autfilt -H input --complete | autfilt --is-complete --count`


# The SPOT_DEFAULT_FORMAT envvar should be ignored if --dot is given.
# --dot=k should be ignored when not applicable.
SPOT_DEFAULT_FORMAT=hoa ltl2tgba --dot=ak 'GFa & GFb' >output
cat output
cat >expected <<EOF
digraph G {
  rankdir=LR
  label="Inf(0)&Inf(1)"
  labelloc="t"
  node [shape="circle"]
  I [label="", style=invis, width=0]
  I -> 0
  0 [label="0"]
  0 -> 0 [label="a & b\n{0,1}"]
  0 -> 0 [label="!a & !b"]
  0 -> 0 [label="!a & b\n{1}"]
  0 -> 0 [label="a & !b\n{0}"]
}
EOF
diff output expected

ltl2tgba -dban 'GFa & GFb' >output
cat output
cat >expected <<EOF
digraph G {
  rankdir=LR
  label="G(Fa & Fb)\nInf(⓿)&Inf(❶)"
  labelloc="t"
  node [shape="circle"]
  I [label="", style=invis, width=0]
  I -> 0
  0 [label="0"]
  0 -> 0 [label="a & b\n⓿❶"]
  0 -> 0 [label="!a & !b"]
  0 -> 0 [label="!a & b\n❶"]
  0 -> 0 [label="a & !b\n⓿"]
}
EOF
diff output expected


SPOT_DOTDEFAULT=bra ltl2tgba --dot='e.f(Lato)' 'GFa & GFb' >output
cat output

zero='<font color="#5DA5DA">⓿</font>'
one='<font color="#F17CB0">❶</font>'
cat >expected <<EOF
digraph G {
  rankdir=LR
  label=<Inf($zero)&amp;Inf($one)>
  labelloc="t"
  fontname="Lato"
  node [fontname="Lato"]
  edge [fontname="Lato"]
  I [label="", style=invis, width=0]
  I -> 0
  0 [label="0"]
  0 -> 0 [label=<a &amp; b<br/>$zero$one>]
  0 -> 0 [label=<!a &amp; !b>]
  0 -> 0 [label=<!a &amp; b<br/>$one>]
  0 -> 0 [label=<a &amp; !b<br/>$zero>]
}
EOF
diff output expected


cat >in <<EOF
HOA: v1
States: 10
Start: 0
AP: 2 "a" "b"
Acceptance: 4 Fin(0) | (Fin(1) & Inf(2)) | Fin(3)
--BODY--
State: 0
[!0&!1] 1
[0&!1] 2
[!0&1] 3
[0&1] 4
State: 1 "test me" {0 3}
[!0&!1] 1
[0&!1] 2
[!0&1] 6
[0&1] 7
State: 2 {0 2 3}
[!0&!1] 1
[0&!1] 2
[!0&1] 6
[0&1] 7
State: 3 {3}
[t] 5
State: 4 "hihi" {2 3}
[t] 5
State: 5 {1 3}
[t] 5
State: 6 {0}
[!0&!1] 8
[!0&1] 6
[0&!1] 9
[0&1] 7
State: 7 {0 2}
[!0&!1] 8
[!0&1] 6
[0&!1] 9
[0&1] 7
State: 8 {0 3}
[!0&!1] 8
[!0&1] 6
[0&!1] 9
[0&1] 7
State: 9 {0 2 3}
[!0&!1] 8
[!0&1] 6
[0&!1] 9
[0&1] 7
--END--
EOF

cat >expected <<EOF
digraph G {
  rankdir=LR
  label="Fin(⓿) | (Fin(❶) & Inf(❷)) | Fin(❸)"
  labelloc="t"
  I [label="", style=invis, width=0]
  I -> 0
  0 [label="0"]
  0 -> 1 [label="!a & !b", taillabel="0"]
  0 -> 2 [label="a & !b", taillabel="1"]
  0 -> 3 [label="!a & b", taillabel="2"]
  0 -> 4 [label="a & b", taillabel="3"]
  1 [label="test me\n⓿❸"]
  1 -> 1 [label="!a & !b", taillabel="0"]
  1 -> 2 [label="a & !b", taillabel="1"]
  1 -> 6 [label="!a & b", taillabel="2"]
  1 -> 7 [label="a & b", taillabel="3"]
  2 [label="2\n⓿❷❸"]
  2 -> 1 [label="!a & !b", taillabel="0"]
  2 -> 2 [label="a & !b", taillabel="1"]
  2 -> 6 [label="!a & b", taillabel="2"]
  2 -> 7 [label="a & b", taillabel="3"]
  3 [label="3\n❸"]
  3 -> 5 [label="1", taillabel="0"]
  4 [label="hihi\n❷❸"]
  4 -> 5 [label="1", taillabel="0"]
  5 [label="5\n❶❸"]
  5 -> 5 [label="1", taillabel="0"]
  6 [label="6\n⓿"]
  6 -> 8 [label="!a & !b", taillabel="0"]
  6 -> 6 [label="!a & b", taillabel="1"]
  6 -> 9 [label="a & !b", taillabel="2"]
  6 -> 7 [label="a & b", taillabel="3"]
  7 [label="7\n⓿❷"]
  7 -> 8 [label="!a & !b", taillabel="0"]
  7 -> 6 [label="!a & b", taillabel="1"]
  7 -> 9 [label="a & !b", taillabel="2"]
  7 -> 7 [label="a & b", taillabel="3"]
  8 [label="8\n⓿❸"]
  8 -> 8 [label="!a & !b", taillabel="0"]
  8 -> 6 [label="!a & b", taillabel="1"]
  8 -> 9 [label="a & !b", taillabel="2"]
  8 -> 7 [label="a & b", taillabel="3"]
  9 [label="9\n⓿❷❸"]
  9 -> 8 [label="!a & !b", taillabel="0"]
  9 -> 6 [label="!a & b", taillabel="1"]
  9 -> 9 [label="a & !b", taillabel="2"]
  9 -> 7 [label="a & b", taillabel="3"]
}
EOF

autfilt --dot=bao in >out
diff out expected

cat >expected2 <<EOF
digraph G {
  rankdir=LR
  label="Fin(⓿) | (Fin(❶) & Inf(❷)) | Fin(❸)"
  labelloc="t"
  node [shape="circle"]
  I [label="", style=invis, width=0]
  0 [label="0"]
  1 [label="1\n⓿❸"]
  2 [label="2\n⓿❷❸"]
  3 [label="3\n❸"]
  4 [label="4\n❷❸"]
  5 [label="5\n❶❸"]
  6 [label="6\n⓿"]
  7 [label="7\n⓿❷"]
  8 [label="8\n⓿❸"]
  9 [label="9\n⓿❷❸"]
}
EOF

# This should remove the state names, and automatically use circled
# states.
autfilt --dot=bao1 in | grep -v '>' >out
diff out expected2

cat >expected3 <<EOF
digraph G {
  rankdir=LR
  node [shape="circle"]
  I [label="", style=invis, width=0]
  0 [label="6", peripheries=2]
  u0 [label="...", shape=none, width=0, height=0]
  1 [label="0", peripheries=2]
  2 [label="1", peripheries=2]
  3 [label="2", peripheries=2]
  4 [label="3", peripheries=2]
  u4 [label="...", shape=none, width=0, height=0]
}
EOF

# States should be circled even if <5 causes all states to be named,
# because the names are smaller then 2 characters anyway.
ltl2tgba --det 'Ga | Gb | Gc' -d'<5' | grep -v '>' >out
diff out expected3

# Let's pretend that this is some used supplied input, as discussed in
# the comments of https://github.com/adl/hoaf/issues/39

cat >input <<EOF
HOA: v1
States: 7
Start: 1
AP: 2 "p0" "p1"
acc-name: all
Acceptance: 0 t
properties: trans-labels explicit-labels state-acc
--BODY--
State: 1
[!0&1] 0
[!0&!1] 4
State: 3
[!0&!1] 2
State: 4
[0&1] 6
[0&1] 5
[0&1] 2
[!0&1] 3
State: 6
[!0&!1] 1
[!0&!1] 3
[0&1] 7
--END--
EOF

# autfilt should complain about the input (we only check the exit
# status here, because the actual error messages are tested in
# parseaut.test) and produce a valid output with the number of states
# fixed, and the missing state definitions.
autfilt -H input >output1 && exit 1

cat >expect1 <<EOF
HOA: v1
States: 8
Start: 1
AP: 2 "p0" "p1"
acc-name: all
Acceptance: 0 t
properties: trans-labels explicit-labels state-acc
--BODY--
State: 0
State: 1
[!0&1] 0
[!0&!1] 4
State: 2
State: 3
[!0&!1] 2
State: 4
[0&1] 6
[0&1] 5
[0&1] 2
[!0&1] 3
State: 5
State: 6
[!0&!1] 1
[!0&!1] 3
[0&1] 7
State: 7
--END--
EOF

diff output1 expect1
# Make sure the output is valid.
autfilt -H output1 > output1b
diff output1 output1b

# Here is the scenario where the undefined states are actually states
# we wanted to remove.  So we tell autfilt to fix the automaton using
# --remove-dead-states
SPOT_DEFAULT_FORMAT=hoa autfilt --remove-dead input >output2 && exit 1

cat >expect2 <<EOF
HOA: v1
States: 3
Start: 0
AP: 2 "p0" "p1"
acc-name: all
Acceptance: 0 t
properties: trans-labels explicit-labels state-acc deterministic
--BODY--
State: 0
[!0&!1] 1
State: 1
[0&1] 2
State: 2
[!0&!1] 0
--END--
EOF

diff output2 expect2

SPOT_DEFAULT_FORMAT=hoa=k autfilt expect2 >output2b

cat >expect2b <<EOF
HOA: v1
States: 3
Start: 0
AP: 2 "p0" "p1"
acc-name: all
Acceptance: 0 t
properties: state-labels explicit-labels state-acc deterministic
--BODY--
State: [!0&!1] 0
1
State: [0&1] 1
2
State: [!0&!1] 2
0
--END--
EOF

diff output2b expect2b

# Check the difference between --remove-unreach and --remove-dead
cat >input <<EOF
HOA: v1
States: 6
Start: 0
AP: 2 "p0" "p1"
acc-name: all
Acceptance: 0 t
--BODY--
State: 0
[!0&!1] 1
State: 1
[0&1] 2
State: 2
[!0&!1] 0
[t] 5
State: 3
[t] 4
State: 4
[t] 3
State: 5
--END--
EOF

autfilt -H --remove-unreach input >output3
autfilt -H --remove-dead input >>output3

cat >expect3 <<EOF
HOA: v1
States: 4
Start: 0
AP: 2 "p0" "p1"
acc-name: all
Acceptance: 0 t
properties: trans-labels explicit-labels state-acc
--BODY--
State: 0
[!0&!1] 1
State: 1
[0&1] 2
State: 2
[!0&!1] 0
[t] 3
State: 3
--END--
HOA: v1
States: 3
Start: 0
AP: 2 "p0" "p1"
acc-name: all
Acceptance: 0 t
properties: trans-labels explicit-labels state-acc deterministic
--BODY--
State: 0
[!0&!1] 1
State: 1
[0&1] 2
State: 2
[!0&!1] 0
--END--
EOF

diff output3 expect3


autfilt -Hz input 2>stderr && exit 1
grep 'print_hoa.*z' stderr

cat >input4 <<EOF
HOA: v1
States: 3
Start: 0
AP: 2 "a" "b"
Acceptance: 2 Inf(0) & Inf(1)
--BODY--
State: 0 {0}   [0] 1
State: 1 {1}   [1] 2
State: 2 {0 1} [0] 2
--END--
EOF

test `autfilt --is-weak -c input4` = 1
test `autfilt --is-inherently-weak -c input4` = 1
test `autfilt --is-terminal -c input4` = 0

autfilt -H --small --high input4 >output4
autfilt -H --small input4 >output4b
autfilt -H --high input4 >output4c
cat output4

cat >expect4<<EOF
HOA: v1
States: 3
Start: 1
AP: 2 "a" "b"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc deterministic weak
--BODY--
State: 0
[1] 2
State: 1
[0] 0
State: 2 {0}
[0] 2
--END--
EOF

diff output4 expect4
diff output4b expect4
diff output4c expect4

autfilt -Hv --small input4 >output5
test `autfilt --is-weak -c output4` = 1
test `autfilt --is-terminal -c output4` = 0

sed 's/\[0\]/[t]/g' expect4 > output4d
test `autfilt --is-terminal -c output4d` = 1


cat >expect5<<EOF
HOA: v1
States: 3
Start: 1
AP: 2 "a" "b"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: no-univ-branch trans-labels explicit-labels state-acc
properties: deterministic unambiguous weak inherently-weak
--BODY--
State: 0
[1] 2
State: 1
[0] 0
State: 2 {0}
[0] 2
--END--
EOF
diff output5 expect5

cat >input6 <<EOF
HOA: v1
States: 3
Start: 1
AP: 2 "a" "b"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: no-univ-branch trans-labels explicit-labels state-acc
--BODY--
State: 0
[1] 2
[1] 1
[1] 1
State: 1
[0] 0
[0] 1
State: 2 {0}
[0] 2
[0] 0
[0] 1
--END--
EOF

run 0 autfilt -Hk input6 >output6
cat >expect6 <<EOF
HOA: v1
States: 3
Start: 1
AP: 2 "a" "b"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: state-labels explicit-labels state-acc
--BODY--
State: [1] 0
2 1 1
State: [0] 1
0 1
State: [0] 2 {0}
2 0 1
--END--
EOF

diff output6 expect6

run 0 autfilt -dk input6 >output6d
cat >expect6d <<EOF
digraph G {
  rankdir=LR
  I [label="", style=invis, width=0]
  I -> 1
  0 [label="0\nb"]
  0 -> 2 [label=""]
  0 -> 1 [label=""]
  0 -> 1 [label=""]
  1 [label="1\na"]
  1 -> 0 [label=""]
  1 -> 1 [label=""]
  2 [label="2\na", peripheries=2]
  2 -> 2 [label=""]
  2 -> 0 [label=""]
  2 -> 1 [label=""]
}
EOF
diff output6d expect6d

run 0 autfilt -dbark input6 >output6d2
cat >expect6d2 <<EOF
digraph G {
  rankdir=LR
  label=<Inf(<font color="#5DA5DA">⓿</font>)>
  labelloc="t"
  I [label="", style=invis, width=0]
  I -> 1
  0 [label=<0<br/>b>]
  0 -> 2 [label=<>]
  0 -> 1 [label=<>]
  0 -> 1 [label=<>]
  1 [label=<1<br/>a>]
  1 -> 0 [label=<>]
  1 -> 1 [label=<>]
  2 [label=<2<br/><font color="#5DA5DA">⓿</font><br/>a>]
  2 -> 2 [label=<>]
  2 -> 0 [label=<>]
  2 -> 1 [label=<>]
}
EOF
diff output6d2 expect6d2

cat >input7 <<EOF
HOA: v1
States: 3
Start: 1
AP: 0
acc-name: Buchi
Acceptance: 2 Inf(0) & Inf(1)
--BODY--
State: 0
[t] 1 {0}
[t] 0 {0 1}
State: 1
[t] 0 {1}
[t] 1 {0 1}
--END--
EOF
test `autfilt -c --is-inherently-weak input7` = 1
test `autfilt -c --is-weak input7` = 0
test `autfilt -c --is-stutter-invariant input7` = 1
autfilt --check input7 -H >output7
cat >expected7 <<EOF
HOA: v1
States: 3
Start: 1
AP: 0
acc-name: generalized-Buchi 2
Acceptance: 2 Inf(0)&Inf(1)
properties: trans-labels explicit-labels trans-acc stutter-invariant
properties: inherently-weak
--BODY--
State: 0
[t] 1 {0}
[t] 0 {0 1}
State: 1
[t] 0 {1}
[t] 1 {0 1}
State: 2
--END--
EOF
diff output7 expected7

cat >input8 <<EOF
HOA: v1
States: 3
Start: 1
AP: 0
acc-name: Buchi
Acceptance: 2 Inf(0) & Inf(1)
--BODY--
State: 0
[t] 1 {0}
[t] 0 {0 1}
State: 1
[t] 0 {1}
[t] 1 {0}
--END--
EOF
test `autfilt -c --is-inherently-weak input8` = 0
test `autfilt -c --is-weak input8` = 0

cat >input9 <<EOF
HOA: v1
name: "a U (b U c)"
States: 3
Start: 2
AP: 3 "a" "b" "c"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc deterministic
properties: stutter-invariant terminal
spot.highlight.edges: 3 0 1 1 4 3 2 2
spot.highlight.states: 0 0 2 3
--BODY--
State: 1  /* Defined before State 0 on purpose */
[2] 0     /* because it affects the edge numbering */
[1&!2] 1  /* used in spot.highlight.edges */
State: 0 {0}
[t] 0
State: 2
[2] 0
[!0&1&!2] 1
[0&!2] 2
--END--
EOF
autfilt -d input9 > output9
cat >expected9 <<EOF
digraph G {
  rankdir=LR
  node [shape="circle"]
  I [label="", style=invis, width=0]
  I -> 2
  0 [label="0", peripheries=2, style="bold", color="#5DA5DA"]
  0 -> 0 [label="1", style=bold, color="#5DA5DA"]
  1 [label="1"]
  1 -> 0 [label="c", style=bold, color="#F17CB0"]
  1 -> 1 [label="b & !c", style=bold, color="#FAA43A"]
  2 [label="2", style="bold", color="#B276B2"]
  2 -> 0 [label="c", style=bold, color="#B276B2"]
  2 -> 1 [label="!a & b & !c"]
  2 -> 2 [label="a & !c"]
}
EOF
diff output9 expected9

# spot.hightlight.edges and spot.hightlight.states are not valid HOA
# v1 output, so they should only but output for HOA 1.1
autfilt input9 -H1 | autfilt -H1  | grep highlight && exit 1
autfilt input9 -H1 | autfilt -H1.1 | grep highlight && exit 1
autfilt -H1.1 input9 | autfilt -H1.1 | grep highlight
autfilt -H1.1 input9 | autfilt -d > output9b
diff output9 output9b

test 2 = `ltl2tgba 'GFa' 'a U b' 'a U b U c'| autfilt --ap=2..3 --count`