#!/bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) 2013-2015, 2017, 2020 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/>.

# Do some quick translations to make sure the neverclaims produced by
# spot actually look correct!  We do that by parsing them via ltlcross.
# ltl2neverclaim-lbtt.test does the same with LBTT if it is installed.

. ./defs
set -e

# Skip this test if ltl2dstar is not installed.
(ltl2dstar --version) || exit 77

STR='--automata=streett --output-format=hoa'

ltlfilt -f '(GFa -> GFb) & (GFc -> GFd)' -l |
ltl2dstar --ltl2nba=spin:ltl2tgba@-s $STR - - |
autfilt --tgba --stats '%S %E %A %s %e %t %a %d' |
tee out
test "`cat out`" = '9 144 4 18 98 202 2 0'

ltlfilt -f '(GFa -> GFb) & (GFc -> GFd)' -l |
ltl2dstar --ltl2nba=spin:ltl2tgba@-s $STR - - |
SPOT_STREETT_CONV_MIN=1 autfilt --tgba --stats '%S %E %A %s %e %t %a %d' |
tee out
test "`cat out`" = '9 144 4 25 218 482 2 0'

LTL2DSTAR="ltl2dstar $STR --ltl2nba=spin:ltl2tgba@-s %L"

# Generate 50 formulas for which the streett automaton has at least 3
# acceptance sets.
randltl --ltl-priorities=W=0,M=0 -n 1000 3 |
ltldo "$LTL2DSTAR ->%O" -F- --name=%f -H | tee streett |
autfilt --acc-set=3.. --stats=%M | head -n 50 > formulas

# Add 50 formulas that use less acceptance sets
autfilt streett --acc-set=0..2 --stats=%M | head -n 50 >> formulas

ltlcross -F formulas --timeout=30 \
"ltl2tgba -H %f >%O" \
"$LTL2DSTAR %O" \
"$LTL2DSTAR - | SPOT_STREETT_CONV_MIN=0 autfilt --tgba -H >%O" \
"$LTL2DSTAR - | SPOT_STREETT_CONV_MIN=1 autfilt --tgba -H >%O" \
--csv=out.csv