spot/tests/core/ltlsynt.test

#! /bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) by the Spot authors, see the AUTHORS file for details.
#
# 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 || exit 1

set -e

cat >exp <<EOF
parity 17;
0 1 0 7,8;
8 1 1 2;
2 3 0 11,12;
12 3 1 2,3;
3 2 0 13,14;
14 2 1 2,3;
13 2 1 1,4;
4 1 0 8,15;
15 1 1 5,6;
6 1 0 8,15;
5 2 0 16,17;
17 2 1 2;
16 2 1 5,6;
1 1 0 9,10;
10 1 1 2,3;
9 1 1 1,5;
11 3 1 1,4;
7 1 1 1,2;
parity 13;
0 1 0 1,2;
2 1 1 3;
3 3 0 5,4;
4 2 1 12,3;
12 2 0 5,4;
5 1 1 6,7;
7 1 0 9,8;
8 3 1 12,3;
9 1 1 11,10;
10 2 0 9,8;
11 1 0 9,8;
6 1 0 13,4;
13 1 1 6,10;
1 1 1 6,3;
parity 5;
0 1 0 2,3;
3 3 1 1;
1 1 0 4,5;
5 2 1 1,1;
4 3 1 0,1;
2 1 1 0,0;
EOF

: > out
for algo in ds sd lar; do
    ltlsynt --ins=a --outs=b -f 'GFa <-> GFb' --algo=$algo --print-pg >>out
done
diff out exp

cat >exp <<EOF
REALIZABLE
aag 1 1 0 1 0
2
2
i0 a
o0 b
EOF
ltlsynt --ins=a --outs=b -f 'GFa <-> GFb' --aiger=isop >out
diff out exp

cat >exp <<EOF
REALIZABLE
aag 1 1 0 1 0
2
2
i0 a
o0 b
EOF
ltlsynt --ins=a --outs=b -f 'GFa <-> GFb' --aiger=isop+dc >out
diff out exp

cat >exp <<EOF
REALIZABLE
aag 1 1 0 1 0
2
2
i0 a
o0 b
EOF
ltlsynt --ins=a --outs=b -f 'GFa <-> GFb' --aiger=isop+ud >out
diff out exp

cat >exp <<EOF
REALIZABLE
aag 1 1 0 1 0
2
2
i0 a
o0 b
EOF
ltlsynt --ins=a --outs=b -f 'GFa <-> GFb' --aiger=isop+sub1 >out
diff out exp

cat >exp <<EOF
REALIZABLE
aag 1 1 0 1 0
2
2
i0 a
o0 b
EOF
ltlsynt --ins=a --outs=b -f 'GFa <-> GFb' --aiger=isop+sub2 >out
diff out exp

cat >exp <<EOF
REALIZABLE
aag 1 1 0 1 0
2
2
i0 a
o0 b
EOF
ltlsynt --ins=a --outs=b -f 'GFa <-> GFb' --aiger=isop,isop+dc,isop+ud >out
diff out exp
ltlsynt --ins=a --outs=b -f 'GFa <-> GFb' --aiger=ite >out
diff out exp
ltlsynt --ins=a --outs=b -f 'GFa <-> GFb' --aiger=ite+ud+dc >out
diff out exp
ltlsynt --ins=a --outs=b -f 'GFa <-> GFb' --aiger >out
diff out exp

cat >exp <<EOF
REALIZABLE
aag 3 1 1 2 1
2
4 1
6
6
6 2 4
i0 a
o0 b
o1 c
EOF
ltlsynt --ins=a --outs=b,c -f 'GFa <-> (GFb & GFc)' \
        --algo=ds --simplify=no --aiger=isop >out
diff out exp

ltlsynt --ins=a --outs=b,c -f 'GFa <-> (GFb & GFc)' \
        --algo=ds --simplify=no --aiger=optim >out
diff out exp

cat >exp <<EOF
REALIZABLE
aag 2 1 1 2 0
2
4 1
2
2
i0 a
o0 b
o1 c
EOF
ltlsynt --ins=a --outs=b,c -f 'GFa <-> (GFb & GFc)' \
        --algo=ds --simplify=no --aiger=isop+dc >out
diff out exp

cat >exp <<EOF
REALIZABLE
aag 3 1 1 2 1
2
4 1
6
6
6 2 4
i0 a
o0 b
o1 c
EOF
ltlsynt --ins=a --outs=b,c -f 'GFa <-> (GFb & GFc)' \
        --algo=ds --simplify=no --aiger=ite >out
diff out exp

cat >exp <<EOF
there are 1 subformulas
trying to create strategy directly for GFa <-> GFb
direct strategy was found.
EOF
ltlsynt --ins='a' --outs='b' -f 'GFa <-> GFb' --verbose --realizability 2> out
sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp

cat >exp <<EOF
there are 1 subformulas
trying to create strategy directly for GFa <-> GFb
tanslating formula done in X seconds
direct strategy was found.
direct strat has 1 states, 2 edges and 0 colors
simplification took X seconds
EOF
ltlsynt --ins=a --outs=b -f 'GFa <-> GFb' --verbose --algo=ps 2> out
sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp

cat >exp <<EOF
there are 1 subformulas
trying to create strategy directly for GFe <-> (Fa & Fb & Fc & Fd)
direct strategy was found.
EOF
ltlsynt --ins='a,b,c,d' --outs='e' -f '(Fa & Fb & Fc & Fd) <-> GFe' \
        --verbose --realizability --algo=lar 2> out
sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp

cat >exp <<EOF
the following signals can be temporarily removed:
  i0 := 1
  i2 := 1
new formula: GFi1 -> G(i1 <-> o0)
there are 1 subformulas
trying to create strategy directly for GFi1 -> G(i1 <-> o0)
direct strategy might exist but was not found.
translating formula done in X seconds
automaton has 2 states and 1 colors
LAR construction done in X seconds
DPA has 2 states, 1 colors
split inputs and outputs done in X seconds
automaton has 6 states
solving game with acceptance: co-Büchi
game solved in X seconds
EOF
ltlsynt -f "G(Fi0 && Fi1 && Fi2) -> G(i1 <-> o0)" --outs="o0" --algo=lar \
        --verbose --realizability 2> out
sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp


for r in '' '--real'; do
    opts="$r --ins=a,c --outs=b -f"
    ltlsynt --algo=ds $opts 'GFa <-> GFb' --csv=FILE || :
    ltlsynt --algo=sd $opts 'FGa <-> GF(b&XXb)' --csv='>>FILE' || :
    ltlsynt --algo=ps $opts 'FGa <-> GF(b&XXb)' --csv='>>FILE' || :
    ltlsynt --algo=lar $opts 'FGc <-> GF(!b&XXb)' --csv='>>FILE' || :
    ltlsynt --algo=lar.old $opts 'FGa <-> GF(c&a)' --csv='>>FILE' || :
    test 6 = `wc -l < FILE`
    # Make sure all lines in FILE have the same number of commas
    sed 's/[^,]//g' < FILE |
        ( read first
          while read l; do
              test "x$first" = "x$l" || exit 1
          done)
done
for a in sd ds lar lar.old; do
    test 1 = `grep -c ",.$a.," FILE` || exit 1
done

# ltlsynt --algo=lar --ins=a --outs=b -f 'FGa <-> GF(c&a)' --print-pg --csv >out
# grep parity out
# grep 'FGa.*,"lar",' out
# grep formula out


F0='(G ((((req) -> (X ((grant) && (X ((grant) && (X (grant))))))) && ((grant)
-> (X (! (grant))))) && ((cancel) -> (X ((! (grant)) U (go))))))'
IN0='cancel, go, req'
OUT0='grant'
EXP0='UNREALIZABLE'
F1='(G ((((req) -> (X ((grant) || (X ((grant) || (X (grant))))))) && ((grant)
-> (X (! (grant))))) && ((cancel) -> (X ((! (grant)) U (go))))))'
IN1='cancel, go, req'
OUT1='grant'
EXP1='UNREALIZABLE'
F2='((G ((cancel) -> (X (go)))) -> (G ((((req) -> (X ((grant) || (X ((grant) ||
(X (grant))))))) && ((grant) -> (X (! (grant))))) && ((cancel) -> (X ((!
(grant)) U (go)))))))'
IN2='cancel, go, req'
OUT2='grant'
EXP2='REALIZABLE'
F3='((G ((cancel) -> (X ((go) || (X (go)))))) -> (G ((((req) -> (X ((grant) ||
(X ((grant) || (X (grant))))))) && ((grant) -> (X (! (grant))))) && ((cancel)
-> (X ((! (grant)) U (go)))))))'
IN3='cancel, go, req'
OUT3='grant'
EXP3='REALIZABLE'
F4='((G ((cancel) -> (X ((go) || (X (go)))))) -> (G ((((req) -> (X (((grant) ||
(cancel)) || (X (((grant) || (cancel)) || (X ((grant) || (cancel)))))))) &&
((grant) -> (X (! (grant))))) && ((cancel) -> (X ((! (grant)) U (go)))))))'
IN4='cancel, go, req'
OUT4='grant'
EXP4='REALIZABLE'
F5='((G ((cancel) -> (X ((go) || (X ((go) || (X (go)))))))) -> (G ((((req) ->
(X (((grant) || (cancel)) || (X (((grant) || (cancel)) || (X ((grant) ||
(cancel)))))))) && ((grant) -> (X (! (grant))))) && ((cancel) -> (X ((!
(grant)) U (go)))))))'
IN5='cancel, go, req'
OUT5='grant'
EXP5='REALIZABLE'
F6='((G ((cancel) -> (X ((go) || (X (go)))))) -> (G ((((cancel) -> (X ((!
(grant)) U (go)))) && ((grant) -> (X (! (grant))))) && ((req) -> (((grant) ||
(cancel)) || (X (((grant) || (cancel)) || (X (((grant) || (cancel)) || (X
((grant) || (cancel))))))))))))'
IN6='cancel, go, req'
OUT6='grant'
EXP6='REALIZABLE'
F7='(! ((G ((req) -> (F (ack)))) && (G ((go) -> (F (grant))))))'
IN7='go, req'
OUT7='ack, grant'
EXP7='UNREALIZABLE'
F8='(((G ((((r1) -> (F (a1))) && ((r2) -> (F (a2)))) && (! ((a1) && (a2))))) &&
(((a1) U (r1)) || (G (a1)))) && (((a2) U (r2)) || (G (a2))))'
IN8='r1, r2'
OUT8='a1, a2'
EXP8='UNREALIZABLE'
F9='((((G (((((((r0) -> (F (a0))) && ((r1) -> (F (a1)))) && ((r2) -> (F (a2))))
&& (! ((a0) && (a1)))) && (! ((a0) && (a2)))) && (! ((a1) && (a2))))) && (((a0)
U (r0)) || (G (a0)))) && (((a1) U (r1)) || (G (a1)))) && (((a2) U (r2)) || (G
(a2))))'
IN9='r0, r1, r2'
OUT9='a0, a1, a2'
EXP9='UNREALIZABLE'
IN10='a, b, c'
OUT10='p0, p1, p2'
F10='G (p0 && ! p1 && ! p2 || (! p0 && p1 && ! p2) || (! p0 && ! p1 && p2)) &&
  (F (G a) || F (G b) || G (F c) <-> (G (F p0) || (G (F p1) && ! G (F p2))))'
EXP10='REALIZABLE'

for i in 0 1 7 8 9; do
  F=$(eval echo \$F$i)
  IN=$(eval echo \$IN$i)
  OUT=$(eval echo \$OUT$i)
  EXP=$(eval echo \$EXP$i)

  for algo in sd ds lar; do
    test $EXP = $(ltlsynt -f "$F" --ins="$IN" --outs="$OUT" --realizability \
    --algo=$algo)
  done
done

for i in 2 3 4 5 6 10; do
  F=$(eval echo \$F$i)
  IN=$(eval echo \$IN$i)
  OUT=$(eval echo \$OUT$i)
  EXP=$(eval echo \$EXP$i)

  ltl2tgba -f "!($F)" > negf_aut$i

  # test ltlsynt
  for algo in sd ds ps lar lar.old; do
    ltlsynt -f "$F" --ins="$IN" --outs="$OUT" --algo=$algo > out$i || true
    REAL=`head -1 out$i`
    test $REAL = $EXP
    tail -n +2 out$i > res$i
    # check that the L(strategy) is included in L(F)
    autfilt -q -v --intersect=negf_aut$i res$i
    # check that all environment actions are possible
    autfilt --remove-ap="$OUT" res$i | autfilt --dualize | autfilt --is-empty -q
  done
done

cat >exp <<EOF
REALIZABLE
HOA: v1
States: 3
Start: 0
AP: 1 "p0"
acc-name: all
Acceptance: 0 t
properties: trans-labels explicit-labels state-acc deterministic
controllable-AP: 0
--BODY--
State: 0
[t] 1
State: 1
[t] 2
State: 2
[!0] 2
--END--
EOF
ltlsynt --outs=p0 -x tls-impl=0 --polar=no --simpl=no \
        -f '!XXF(p0 & (p0 M Gp0))' > out
diff out exp

cat >exp <<EOF
REALIZABLE
HOA: v1
States: 1
Start: 0
AP: 1 "p0"
acc-name: all
Acceptance: 0 t
properties: trans-labels explicit-labels state-acc deterministic
controllable-AP: 0
--BODY--
State: 0
[!0] 0
--END--
EOF
ltlsynt --outs=p0 -x tls-impl=1 --polar=no -f '!XXF(p0 & (p0 M Gp0))' > out
diff out exp
ltlsynt --outs=p0 -x tls-impl=0 -f '!XXF(p0 & (p0 M Gp0))' > out
diff out exp

ltlsynt --outs=p0 -f '!XXF(p0 & (p0 M Gp0))' > out
diff out exp

f='Fp0 U XX((p0 & F!p1) | (!p0 & Gp1))'
ltlsynt --verbose --algo=ps --outs p1 --ins p0 -f "$f" -x"dpa-simul=1" 2>err
grep 'DPA has 13 states' err
ltlsynt -x dpa-simul=0 --verbose --algo=ps --outs=p1 --ins=p0 -f "$f" 2>err
grep 'DPA has 29 states' err
ltlsynt --verbose -x wdba-minimize=1 --algo=ps --outs=p1 --ins=p0 -f "$f" 2>err
grep 'DPA has 12 states' err

ltlsynt --outs=p1 -f "$f" -x"dpa-simul=1" --simpl=no | grep 'States: 7'
ltlsynt --outs=p1 -f "$f" -x"dpa-simul=1" --simpl=bisim | grep 'States: 7'
ltlsynt --outs=p1 -f "$f" -x"dpa-simul=1" --simpl=bwoa | grep 'States: 6'
ltlsynt --outs=p1 -f "$f" -x"dpa-simul=1" | grep 'States: 6'
ltlsynt --outs=p1 -f "$f" -x"dpa-simul=1" --simpl=sat | grep 'States: 3'
ltlsynt --outs=p1 -f "$f" -x"dpa-simul=1" --simpl=bisim-sat | grep 'States: 3'
ltlsynt --outs=p1 -f "$f" -x"dpa-simul=1" --simpl=bwoa-sat | grep 'States: 6'

# The following used to raise an exception because of a bug in
# split_2step_fast_here().
for i in 0 1 2 3 4 5; do
    ltlsynt --ins=a -f 'GFa <-> GFb' --simplify=$i | grep 'States: 1'
done

cat >exp <<EOF
REALIZABLE
aag 34 4 3 2 27
2
4
6
8
10 39
12 62
14 68
25
31
16 11 13
18 14 16
20 10 12
22 15 20
24 19 23
26 11 12
28 15 26
30 19 29
32 7 9
34 16 32
36 15 32
38 35 37
40 3 32
42 2 4
44 6 42
46 8 42
48 5 32
50 10 14
52 12 14
54 41 45
56 47 49
58 51 53
60 54 56
62 58 60
64 33 51
66 42 53
68 64 66
i0 i0
i1 i1
i2 i2
i3 i3
o0 o0
o1 o1
EOF
ltlsynt -f "G((i0 && i1)<->X(o0)) && G((i2|i3)<->X(o1))" --outs="o0,o1"\
        --aiger=isop+ud --algo=lar --decompose=no --simpl=no >out
diff out exp

cat >exp <<EOF
REALIZABLE
aag 54 4 3 2 47
2
4
6
8
10 39
12 87
14 109
25
31
16 11 13
18 14 16
20 10 12
22 15 20
24 19 23
26 11 12
28 15 26
30 19 29
32 7 9
34 16 32
36 15 32
38 35 37
40 3 6
42 16 40
44 15 40
46 3 8
48 16 46
50 15 46
52 2 4
54 34 52
56 36 52
58 5 6
60 16 58
62 15 58
64 5 8
66 16 64
68 15 64
70 43 45
72 49 51
74 55 57
76 61 63
78 67 69
80 70 72
82 74 76
84 78 80
86 82 84
88 6 16
90 52 88
92 6 15
94 52 92
96 8 16
98 52 96
100 8 15
102 52 100
104 91 95
106 99 103
108 104 106
i0 i0
i1 i1
i2 i2
i3 i3
o0 o0
o1 o1
EOF
ltlsynt -f "G((i0 && i1)<->X(o0)) && G((i2|i3)<->X(o1))" --outs="o0,o1"\
        --aiger=isop --algo=lar --decompose=no --simpl=no >out
diff out exp


cat >exp <<EOF
REALIZABLE
aag 18 4 4 2 10
2
4
6
8
10 26
12 28
14 34
16 36
18
20
18 11 12
20 15 16
22 2 4
24 10 12
26 23 25
28 22 25
30 14 16
32 7 9
34 31 32
36 31 33
i0 i0
i1 i1
i2 i2
i3 i3
o0 o0
o1 o1
EOF
ltlsynt -f "G((i0 && i1)<->X(o0)) && G((i2|i3)<->X(o1))" --outs="o0,o1"\
  --aiger=isop+ud --algo=lar --decompose=yes --simpl=no >out
diff out exp
ltlsynt -f "G((i0 && i1)<->X(o0)) && G((i2|i3)<->X(o1))" --outs="o0,o1"\
  --aiger=isop+ud --algo=lar --simpl=no  >out
diff out exp

# Issue #477
ltlsynt -f 'a U (b' 2>err && exit 1
test $? -eq 2
test `wc -l <err` -eq 4


cat >expected <<EOF
REALIZABLE
HOA: v1
States: 1
Start: 0
AP: 3 "c" "a" "b"
acc-name: all
Acceptance: 0 t
properties: trans-labels explicit-labels state-acc deterministic weak
controllable-AP: 0
--BODY--
State: 0
[!0&!1 | !0&!2 | 0&1&2] 0
--END--
EOF
ltlsynt --ins=a,b -f 'G (a & b <=> c)' >stdout
diff stdout expected
ltlsynt --outs=c -f 'G (a & b <=> c)' >stdout
diff stdout expected


ltlsynt --ins=a,b --outs=c,a -f 'GFa | FGc | GFb' 2>stderr && :
test $? -eq 2
grep "'a' appears both" stderr

ltlsynt --ins=a --outs=c -f 'GFa | FGb | GFc' 2>stderr && :
test $? -eq 2
grep "both.*but 'b' is unlisted" stderr
ltlsynt -f 'GFa | FGb | GFc' 2>stderr && :
test $? -eq 2
grep "one of --ins or --outs" stderr

# Try to find a direct strategy for GFa <-> GFb and a direct strategy for
# Gc
cat >exp <<EOF
the following signals can be temporarily removed:
  c := d
new formula: GFa <-> GFb
there are 1 subformulas
trying to create strategy directly for GFa <-> GFb
tanslating formula done in X seconds
direct strategy was found.
direct strat has 1 states, 2 edges and 0 colors
simplification took X seconds
EOF
ltlsynt -f '(GFa <-> GFb) && (G(c <-> d))' --outs=b,c --verbose 2> out
sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp

# Try to find a direct strategy for (GFa <-> GFb) & G(c <-> d). The
# order should not impact the result
for f in "(GFa <-> GFb) & G(c <-> d)" "(GFb <-> GFa) & G(c <-> d)" \
         "G(c <-> d) & (GFa <-> GFb)" "G(c <-> d) & (GFb <-> GFa)"
do
  cat >exp <<EOF
trying to create strategy directly for $f
tanslating formula done in X seconds
direct strategy was found.
direct strat has 1 states, 2 edges and 0 colors
simplification took X seconds
EOF
  ltlsynt -f "$f" --outs=b,c --verbose --decompose=0 \
        --global-equiv=no --verify 2> out
  sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
  diff outx exp
done

# # Ltlsynt should be able to detect that G(a&c) is not input-complete so it is
# # impossible to find a strategy.
cat >exp <<EOF
the following signals can be temporarily removed:
  c := 1
new formula: (GFb <-> GFa) & Ga
trying to create strategy directly for (GFb <-> GFa) & Ga
no strategy exists.
EOF
ltlsynt -f '(GFb <-> GFa) && G(a&c)' --outs=b,c --verbose\
                                     --decompose=0 2> out || true
sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp

# # ltlsynt should be able to create a strategy when the last G
# is input-complete.
cat >exp <<EOF
trying to create strategy directly for (GFb <-> GFa) & G((a & c) | (!a & !c))
tanslating formula done in X seconds
direct strategy was found.
direct strat has 1 states, 2 edges and 0 colors
simplification took X seconds
EOF
ltlsynt -f '(GFb <-> GFa) && (G((a&c)|(!a&!c)))' --outs=b,c --verbose\
                                                 --verify --decompose=0 2> out
sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp

# Direct strategy for persistence

cat >exp <<EOF
trying to create strategy directly for Fa <-> FGb
tanslating formula done in X seconds
direct strategy was found.
direct strat has 2 states, 3 edges and 0 colors
simplification took X seconds
EOF
ltlsynt -f "Fa <-> FGb" --outs=b,c --verbose --decompose=0 --verify 2> out
sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp

# Test verbose aiger

cat >exp <<EOF
trying to create strategy directly for Ga <-> Gb
direct strategy might exist but was not found.
translating formula done in X seconds
automaton has 4 states and 1 colors
LAR construction done in X seconds
DPA has 4 states, 1 colors
split inputs and outputs done in X seconds
automaton has 10 states
solving game with acceptance: Büchi
game solved in X seconds
simplification took X seconds
AIG circuit was created in X seconds and has 0 latches and 0 gates
EOF
ltlsynt -f "Ga <-> Gb" --outs=b --verbose --decompose=0 --verify --aiger 2> out
sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp

cat >exp <<EOF
there are 2 subformulas
trying to create strategy directly for (b & (b | y)) -> y
direct strategy might exist but was not found.
translating formula done in X seconds
automaton has 2 states and 0 colors
LAR construction done in X seconds
DPA has 2 states, 0 colors
split inputs and outputs done in X seconds
automaton has 4 states
solving game with acceptance: all
game solved in X seconds
simplification took X seconds
trying to create strategy directly for (a | x) -> x
direct strategy might exist but was not found.
translating formula done in X seconds
automaton has 2 states and 0 colors
LAR construction done in X seconds
DPA has 2 states, 0 colors
split inputs and outputs done in X seconds
automaton has 4 states
solving game with acceptance: all
game solved in X seconds
simplification took X seconds
AIG circuit was created in X seconds and has 0 latches and 0 gates
EOF
ltlsynt -f '((a|x) & (b | y) & b) => (x & y)' \
        --outs="x,y" --aiger=ite --pol=no --verify --verbose 2> out
sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp

cat >exp <<EOF
the following signals can be temporarily removed:
  b := 1
  a := 1
new formula: x & y
  x := 1
  y := 1
new formula: 1
there are 1 subformulas
trying to create strategy directly for 1
direct strategy was found.
direct strat has 1 states, 1 edges and 0 colors
simplification took X seconds
AIG circuit was created in X seconds and has 0 latches and 0 gates
EOF
ltlsynt -f '((a|x) & (b | y) & b) => (x & y)' \
        --outs="x,y" --aiger=ite --verify --verbose 2> out
sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp

# Here, G!(!x | !y) should be Gx & Gy
cat >exp <<EOF
there are 2 subformulas
trying to create strategy directly for Gx
direct strategy was found.
direct strat has 1 states, 1 edges and 0 colors
simplification took X seconds
trying to create strategy directly for Gy
direct strategy was found.
direct strat has 1 states, 1 edges and 0 colors
simplification took X seconds
AIG circuit was created in X seconds and has 0 latches and 0 gates
EOF
ltlsynt -f 'G!(!x | !y)' --outs="x, y" --pol=no --aiger=ite \
        --verify --verbose 2> out
sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp

# Here, !F(a | b) should be G(!a) & G(!b)
cat >exp <<EOF
there are 2 subformulas
trying to create strategy directly for G!a
no strategy exists.
EOF
ltlsynt -f '!F(a|b)' --outs=b --pol=no --decompose=yes \
        --aiger --verbose 2> out || true
sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp

# Here, G!(a -> b) should be G(a) & G(!b)
cat >exp <<EOF
there are 2 subformulas
trying to create strategy directly for Ga
no strategy exists.
EOF
ltlsynt -f 'G!(a -> b)' --outs=b --decompose=yes --aiger\
                        --pol=no --verbose 2> out || true
sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp

# Here, (a & b) U (b & c) should be (a U (b & c)) & (b U (b & c))
cat >exp <<EOF
there are 1 subformulas
trying to create strategy directly for (a & b) U (b & c)
direct strategy might exist but was not found.
translating formula done in X seconds
automaton has 2 states and 1 colors
LAR construction done in X seconds
DPA has 2 states, 1 colors
split inputs and outputs done in X seconds
automaton has 5 states
solving game with acceptance: Büchi
game solved in X seconds
simplification took X seconds
AIG circuit was created in X seconds and has 0 latches and 0 gates
EOF
ltlsynt -f '(a & b) U (b & c)' --outs=b,c --decompose=yes --aiger --verbose\
                               --pol=no --verify 2> out
sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp

# Here, a => (b & c & d) should be
# (a => b) & (a => c) & (a => d)
cat >exp <<EOF
there are 3 subformulas
trying to create strategy directly for a -> b
direct strategy might exist but was not found.
translating formula done in X seconds
automaton has 2 states and 0 colors
LAR construction done in X seconds
DPA has 2 states, 0 colors
split inputs and outputs done in X seconds
automaton has 4 states
solving game with acceptance: all
game solved in X seconds
simplification took X seconds
trying to create strategy directly for a -> c
direct strategy might exist but was not found.
translating formula done in X seconds
automaton has 2 states and 0 colors
LAR construction done in X seconds
DPA has 2 states, 0 colors
split inputs and outputs done in X seconds
automaton has 4 states
solving game with acceptance: all
game solved in X seconds
simplification took X seconds
trying to create strategy directly for a -> d
direct strategy might exist but was not found.
translating formula done in X seconds
automaton has 2 states and 0 colors
LAR construction done in X seconds
DPA has 2 states, 0 colors
split inputs and outputs done in X seconds
automaton has 4 states
solving game with acceptance: all
game solved in X seconds
simplification took X seconds
AIG circuit was created in X seconds and has 0 latches and 0 gates
EOF
ltlsynt -f 'a => (b & c & d)' --outs=b,c,d, --decompose=yes\
                              --pol=no --verbose --aiger 2> out
sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp

# Here, !(F(a | b)) should be G!a & G!b
cat >exp <<EOF
there are 2 subformulas
trying to create strategy directly for G!a
no strategy exists.
EOF
ltlsynt -f '!(F(a | b))' --outs=b, --decompose=yes \
                         --verbose --pol=no --aiger 2> out || true
sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp

ltlsynt --ins="" -f "GFa"
ltlsynt --outs="" -f "GFb" | grep "UNREALIZABLE"

ltlsynt --outs="" -f "1"

ltlsynt --outs="" --ins="" -f "GFa" 2>&1 | \
  grep "both --ins and --outs are specified"

LTL='(((((G (((((((g_0) && (G (! (r_0)))) -> (F (! (g_0)))) && (((g_0) &&
(X ((! (r_0)) && (! (g_0))))) -> (X ((r_0) R (! (g_0)))))) && (((g_1) &&
(G (! (r_1)))) -> (F (! (g_1))))) && (((g_1) && (X ((! (r_1)) && (! (g_1))))) ->
(X ((r_1) R (! (g_1)))))) && (((! (g_0)) && (true)) || ((true) && (! (g_1))))))
&& ((r_0) R (! (g_0)))) && (G ((r_0) -> (F (g_0))))) && ((r_1) R (! (g_1)))) &&
(G ((r_1) -> (F (g_1)))))'
OUT='g_0, g_1'
ltlsynt --outs="$OUT" -f "$LTL" --aiger=both+ud\
  --algo=acd | grep "aag 8 2 2 2 4"
ltlsynt --outs="$OUT" -f "$LTL" --aiger=both+ud\
  --algo=lar | grep "aag 34 2 3 2 29"

ltlsynt -f 'G(c) & (G(a) <-> GFb)' --outs=b,c --decompose=yes\
                                   --verbose --pol=no --realizability 2> out
cat >exp <<EOF
there are 2 subformulas
trying to create strategy directly for Gc
direct strategy was found.
trying to create strategy directly for Ga <-> GFb
direct strategy was found.
EOF
diff out exp

ltlsynt -f 'G(c) & (G(a) <-> GFb)' --outs=b,c --decompose=yes --pol=no \
                                   --verbose --realizability --bypass=no 2> out
cat >exp <<EOF
there are 2 subformulas
translating formula done in X seconds
automaton has 1 states and 0 colors
LAR construction done in X seconds
DPA has 1 states, 0 colors
split inputs and outputs done in X seconds
automaton has 2 states
solving game with acceptance: all
game solved in X seconds
translating formula done in X seconds
automaton has 2 states and 2 colors
LAR construction done in X seconds
DPA has 2 states, 2 colors
split inputs and outputs done in X seconds
automaton has 5 states
solving game with acceptance: Streett 1
game solved in X seconds
EOF

sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp

# ACD verbose
cat >exp <<EOF
there are 2 subformulas
translating formula done in X seconds
automaton has 1 states and 2 colors
ACD construction done in X seconds
DPA has 2 states, 2 colors
split inputs and outputs done in X seconds
automaton has 6 states
solving game with acceptance: generalized-Streett 1 1
game solved in X seconds
simplification took X seconds
translating formula done in X seconds
automaton has 1 states and 0 colors
ACD construction done in X seconds
DPA has 1 states, 0 colors
split inputs and outputs done in X seconds
automaton has 2 states
solving game with acceptance: all
game solved in X seconds
simplification took X seconds
EOF
ltlsynt -f '(GFa <-> GFb) && (Gc)' --outs=b,c --verbose --bypass=no\
                                   --algo=acd --pol=no 2> out
sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp

# Bypass: check that in G(b1) ∧ (Büchi ↔ GF(b2)), b1 and b2 don't share an AP.
# We do it because  G(o1 ∨ o2) ∧ (GFi ↔ GFo1) is realizable while
# G(o1) ∧ (GFi ↔ GFo1) is not realizable. So we cannot conclude if
# they share an AP.
cat >exp <<EOF
there are 1 subformulas
trying to create strategy directly for Go1 & (GFi <-> GFo1)
direct strategy might exist but was not found.
translating formula done in X seconds
automaton has 1 states and 1 colors
LAR construction done in X seconds
DPA has 1 states, 1 colors
split inputs and outputs done in X seconds
automaton has 3 states
solving game with acceptance: Büchi
game solved in X seconds
EOF
ltlsynt -f "G(o1) & (GFi <-> GFo1)" --outs="o1" --verbose\
                                    --bypass=yes --pol=no 2> out || true
sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp

cat >exp <<EOF
there are 1 subformulas
trying to create strategy directly for G(o1 | o2) & (GFi <-> GFo1)
direct strategy might exist but was not found.
translating formula done in X seconds
automaton has 1 states and 2 colors
LAR construction done in X seconds
DPA has 2 states, 2 colors
split inputs and outputs done in X seconds
automaton has 6 states
solving game with acceptance: Streett 1
game solved in X seconds
simplification took X seconds
EOF
ltlsynt -f "G(o1|o2) & (GFi <-> GFo1)" --outs="o1,o2" --verbose\
                                       --bypass=yes --pol=no 2> out
sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp

cat >exp <<EOF
the following signals can be temporarily removed:
  o2 := 1
new formula: GFi <-> GFo1
there are 1 subformulas
trying to create strategy directly for GFi <-> GFo1
tanslating formula done in X seconds
direct strategy was found.
direct strat has 1 states, 2 edges and 0 colors
simplification took X seconds
EOF
ltlsynt -f "G(o1|o2) & (GFi <-> GFo1)" --outs="o1,o2" --verbose\
                                       --bypass=yes 2> out
sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp


# Test the loop around polarity/global-equiv
cat >exp <<EOF
the following signals can be temporarily removed:
  r3 := 1
new formula: G(i <-> o) & G(o <-> o2) & G(!o | !o3) & GFo3
  o := i
  o2 := i
new formula: GFo3 & G(!i | !o3)
  i := 1
new formula: GFo3 & G!o3
there are 1 subformulas
trying to create strategy directly for GFo3 & G!o3
direct strategy might exist but was not found.
translating formula done in X seconds
automaton has 1 states and 0 colors
LAR construction done in X seconds
DPA has 1 states, 0 colors
split inputs and outputs done in X seconds
automaton has 3 states
solving game with acceptance: co-Büchi
game solved in X seconds
UNREALIZABLE
EOF
ltlsynt -f 'G(o<->i) & G(o2 <-> o) & G(!o | !o3) & G(r3 -> Fo3)' \
        --ins=i,r3 --verbose 2>out 1>&2 && exit 1
sed 's/ [0-9.e-]* seconds/ X seconds/g' out > outx
diff outx exp


# Test --dot and --hide-status
ltlsynt -f 'i <-> Fo' --ins=i --aiger --dot | grep arrowhead=dot
ltlsynt -f 'i <-> Fo' --ins=i --print-game-hoa --dot | grep 'shape="diamond"'
ltlsynt -f 'i <-> Fo' --ins=i --dot --hide-status > res
cat >exp <<EOF
digraph "" {
  rankdir=LR
  node [shape="circle"]
  I [label="", style=invis, width=0]
  I -> 0
  0 [label="0"]
  0 -> 0 [label="i / o"]
  0 -> 1 [label="!i / !o"]
  1 [label="1"]
  1 -> 1 [label="1 / !o"]
}
EOF
diff res exp


# The following formula, generated from SPIReadManag.tlsf exhibited a bug
# in the decomposition.
s1="G(!((!o15 & !((!o14 & o16) <-> (o14 & !o16))) <-> (o15 & !(o14 | o16)))"
s2=" & !((!o12 & !((!o11 & o13) <-> (o11 & !o13))) <-> (o12 & !(o11 | o13)))"
s3=" & !((o09 & !o10) <-> (!o09 & o10)) & !((o07 & !o08) <-> (!o07 & o08))"
s4=" & !((!o05 & !((!o04 & o06) <-> (o04 & !o06))) <-> (o05 & !(o04 | o06)))"
s5=" & !((!o02 & !((!o01 & o03) <-> (o01 & !o03))) <-> (o02 & !(o01 | o03))))"
s6=" & ((G!(i2 & i7) & G(o15 -> Fi3)) -> (Go09 & G(o14 <-> (i6 & !i7)) & "
s7="G(o07 <-> (i7 & i8)) & G((i7 & i8) -> (o11 U i3)) & GFo12 & G(o04 <-> "
s8="(i4 & i6)) & G(o05 <-> !(i4 & i6)) & G(o15 <-> (i7 & i8)) & G(i7 -> o02) & "
s9="G((!i7 & !(i1 & i2 & !i5 & i6)) -> o03) & G(o01 <-> (i1 & i2 & !i5 & i6))))"
s=$s1$s2$s3$s4$s5$s6$s7$s8$s9
ltlsynt --decomp=yes -f "$s" --ins=i1,i2,i3,i4,i5,i6,i7,i8 --realizability >out
ltlsynt --decomp=no -f "$s" --ins=i1,i2,i3,i4,i5,i6,i7,i8 --realizability >>out
cat >expected <<EOF
REALIZABLE
REALIZABLE
EOF
diff out expected