#!/bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) 2018 Laboratoire de Recherche et Développement de
# 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

rm -rf res res2

for x in P 'Pmin odd' 'Pmax even'; do
  ltl2tgba "-$x" FGa 'GFa & GFb' >>res
  ltl2tgba FGa 'GFa & GFb' | autfilt --name=%M --high "-$x" >>res2
  ltl2tgba -D "-$x" FGa 'GFa & GFb' >>res3
  ltl2tgba FGa 'GFa & GFb' | autfilt -D --name=%M --high "-$x" >>res4
done

cat >expected<<EOF
HOA: v1
name: "FGa"
States: 2
Start: 0
AP: 1 "a"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc stutter-invariant
properties: inherently-weak
--BODY--
State: 0
[t] 0
[0] 1
State: 1 {0}
[0] 1
--END--
HOA: v1
name: "G(Fa & Fb)"
States: 2
Start: 0
AP: 2 "a" "b"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels trans-acc complete
properties: deterministic stutter-invariant
--BODY--
State: 0
[0&1] 0 {0}
[!1] 0
[!0&1] 1
State: 1
[0] 0 {0}
[!0] 1
--END--
HOA: v1
name: "FGa"
States: 2
Start: 0
AP: 1 "a"
acc-name: Rabin 1
Acceptance: 2 Fin(0) & Inf(1)
properties: trans-labels explicit-labels state-acc stutter-invariant
properties: inherently-weak
--BODY--
State: 0
[t] 0
[0] 1
State: 1 {1}
[0] 1
--END--
HOA: v1
name: "G(Fa & Fb)"
States: 2
Start: 0
AP: 2 "a" "b"
acc-name: Rabin 1
Acceptance: 2 Fin(0) & Inf(1)
properties: trans-labels explicit-labels trans-acc complete
properties: deterministic stutter-invariant
--BODY--
State: 0
[0&1] 0 {1}
[!1] 0
[!0&1] 1
State: 1
[0] 0 {1}
[!0] 1
--END--
HOA: v1
name: "FGa"
States: 2
Start: 0
AP: 1 "a"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc stutter-invariant
properties: inherently-weak
--BODY--
State: 0
[t] 0
[0] 1
State: 1 {0}
[0] 1
--END--
HOA: v1
name: "G(Fa & Fb)"
States: 2
Start: 0
AP: 2 "a" "b"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels trans-acc complete
properties: deterministic stutter-invariant
--BODY--
State: 0
[0&1] 0 {0}
[!1] 0
[!0&1] 1
State: 1
[0] 0 {0}
[!0] 1
--END--
EOF

diff expected res
diff expected res2

cat >expected2<<EOF
HOA: v1
name: "FGa"
States: 2
Start: 0
AP: 1 "a"
acc-name: Rabin 1
Acceptance: 2 Fin(0) & Inf(1)
properties: trans-labels explicit-labels trans-acc complete
properties: deterministic stutter-invariant
--BODY--
State: 0
[!0] 0
[0] 1 {1}
State: 1
[!0] 0 {0}
[0] 1 {1}
--END--
HOA: v1
name: "G(Fa & Fb)"
States: 2
Start: 0
AP: 2 "a" "b"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels trans-acc complete
properties: deterministic stutter-invariant
--BODY--
State: 0
[0&1] 0 {0}
[!1] 0
[!0&1] 1
State: 1
[0] 0 {0}
[!0] 1
--END--
HOA: v1
name: "FGa"
States: 2
Start: 0
AP: 1 "a"
acc-name: Rabin 1
Acceptance: 2 Fin(0) & Inf(1)
properties: trans-labels explicit-labels trans-acc complete
properties: deterministic stutter-invariant
--BODY--
State: 0
[!0] 0
[0] 1 {1}
State: 1
[!0] 0 {0}
[0] 1 {1}
--END--
HOA: v1
name: "G(Fa & Fb)"
States: 2
Start: 0
AP: 2 "a" "b"
acc-name: Rabin 1
Acceptance: 2 Fin(0) & Inf(1)
properties: trans-labels explicit-labels trans-acc complete
properties: deterministic stutter-invariant
--BODY--
State: 0
[0&1] 0 {1}
[!1] 0
[!0&1] 1
State: 1
[0] 0 {1}
[!0] 1
--END--
HOA: v1
name: "FGa"
States: 2
Start: 0
AP: 1 "a"
acc-name: parity max even 2
Acceptance: 2 Fin(1) & Inf(0)
properties: trans-labels explicit-labels trans-acc complete
properties: deterministic stutter-invariant
--BODY--
State: 0
[!0] 0
[0] 1 {0}
State: 1
[!0] 0 {1}
[0] 1 {0}
--END--
HOA: v1
name: "G(Fa & Fb)"
States: 2
Start: 0
AP: 2 "a" "b"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels trans-acc complete
properties: deterministic stutter-invariant
--BODY--
State: 0
[0&1] 0 {0}
[!1] 0
[!0&1] 1
State: 1
[0] 0 {0}
[!0] 1
--END--
EOF
diff expected2 res3
diff expected2 res4

ltlcross 'ltl2tgba -P' 'ltl2tgba -P"odd max"' 'ltl2tgba -P"even min"' \
         -f FGa -f 'GFa&GFb' -f 'GF(a <-> XXXb)'