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tra2tba: Add support for Rabin like automata

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* spot/twaalgos/tra2tba.cc: Support Rabin like input
* tests/core/tra2tba.cc: Remove C tests
* tests/core/tra2tba.test: Remove C tests
* tests/python/tra2tba.py: Convert C tests to python
* tests/Makefile.am: Remove C tests and add python tests
This commit is contained in:
Henrich Lauko 2017-05-18 11:23:36 +00:00 • committed by Alexandre Duret-Lutz
parent e1271bf8b3
commit 69cf3c5590
4 changed files with 185 additions and 167 deletions
Download patch file Download diff file Expand all files Collapse all files

23
spot/twaalgos/tra2tba.cc
View file

@ -108,6 +108,7 @@ namespace spot
bool is_scc_tba_type(const const_twa_graph_ptr& aut,
const scc_info& si,
const unsigned scc,
const acc_cond::mark_t fin_alone,
std::vector<bool>& final)
{
if (si.is_rejecting_scc(scc))
@ -115,9 +116,18 @@ namespace spot
auto acc_pairs = aut->get_acceptance().used_inf_fin_sets();
auto infs = si.acc(scc) & acc_pairs.first;
auto fins = si.acc(scc) & acc_pairs.second;
auto infs_with_fins = (si.acc(scc) << 1U) & acc_pairs.first;
infs -= infs_with_fins;
// If there is one fin_alone that is not in the SCC,
// any cycle in the SCC is accepting.
if ((fins & fin_alone) != fin_alone)
{
for (auto e: scc_edges(aut, si, scc))
final[e] = true;
return true;
}
auto& states = si.states_of(scc);
// Firstly consider whole SCC as one large cycle.
// If there is no inf without matching fin then the cycle formed
@ -172,7 +182,7 @@ namespace spot
}
if (si.is_rejecting_scc(uscc))
continue;
if (!is_scc_tba_type(aut, si, uscc, final))
if (!is_scc_tba_type(aut, si, uscc, fin_alone, final))
return false;
}
}
@ -202,6 +212,7 @@ namespace spot
{
if (aut->prop_state_acc().is_true())
return nullptr;
std::vector<acc_cond::rs_pair> pairs;
if (!aut->acc().is_rabin_like(pairs))
return nullptr;
@ -215,9 +226,17 @@ namespace spot
std::vector<bool> scc_is_tba_type(si.scc_count(), false);
std::vector<bool> final(aut->edge_vector().size(), false);
acc_cond::mark_t inf_alone = 0U;
acc_cond::mark_t fin_alone = 0U;
for (const auto& p: pairs)
if (!p.fin)
inf_alone &= p.inf;
else if (!p.inf)
fin_alone &= p.fin;
for (unsigned scc = 0; scc < si.scc_count(); ++scc)
{
scc_is_tba_type[scc] = is_scc_tba_type(aut, si, scc, final);
scc_is_tba_type[scc] = is_scc_tba_type(aut, si, scc, fin_alone, final);
}
// compute final edges
auto res = make_twa_graph(aut->get_dict());

6
tests/Makefile.am
View file

@ -92,7 +92,6 @@ check_PROGRAMS = \
core/sccif \
core/syntimpl \
core/taatgba \
core/tra2tba \
core/trival \
core/tgbagraph \
core/tostring \
@ -140,7 +139,6 @@ core_safra_SOURCES = core/safra.cc
core_sccif_SOURCES = core/sccif.cc
core_syntimpl_SOURCES = core/syntimpl.cc
core_tostring_SOURCES = core/tostring.cc
core_tra2tba_SOURCES = core/tra2tba.cc
core_trival_SOURCES = core/trival.cc
core_tunabbrev_SOURCES = core/equalsf.cc
core_tunabbrev_CPPFLAGS = $(AM_CPPFLAGS) -DUNABBREV='"^ieFG"'
@ -298,8 +296,7 @@ TESTS_twa = \
core/complementation.test \
core/randpsl.test \
core/cycles.test \
core/acc_word.test \
core/tra2tba.test
core/acc_word.test
############################## PYTHON ##############################
@ -372,6 +369,7 @@ TESTS_python = \
python/rs_like.py \
python/sum.py \
python/trival.py \
python/tra2tba.py \
python/twagraph.py \
$(TESTS_ipython)
endif

41
tests/core/tra2tba.cc
View file

@ -1,41 +0,0 @@
// -*- coding: utf-8 -*-
// Copyright (C) 2017 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/>.
#include <iostream>
#include <spot/parseaut/public.hh>
#include <spot/twaalgos/tra2tba.hh>
#include <spot/twaalgos/hoa.hh>
int main(int, char* argv[])
{
char* input = argv[1];
if (!input)
return 1;
auto pa = parse_aut(input, spot::make_bdd_dict());
if (pa->format_errors(std::cerr))
return 1;
if (pa->aborted)
{
std::cerr << "--ABORT-- read\n";
return 1;
}
auto tba = spot::tra_to_tba(pa->aut);
spot::print_hoa(std::cout, tba) << '\n';
return 0;
}

282
tests/core/tra2tba.test → tests/python/tra2tba.py Executable file → Normal file
View file

@ -1,28 +1,7 @@
#!/bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) 2017 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/>.
import spot
. ./defs
set -e
cat >test1.hoa <<EOF
# Test 1.
aut = spot.automaton("""
HOA: v1
States: 2
Start: 0
@ -35,10 +14,9 @@ State: 0
State: 1
[0] 1 {0}
--END--
EOF
""")
cat >out.exp << EOF
HOA: v1
exp = """HOA: v1
States: 2
Start: 0
AP: 2 "a" "b"
@ -51,13 +29,13 @@ State: 0
[0] 1
State: 1
[0] 1
--END--
EOF
--END--"""
run 0 ../tra2tba test1.hoa > out.hoa
diff out.hoa out.exp
res = spot.tra_to_tba(aut)
assert(res.to_str('hoa') == exp)
cat >test2.hoa <<EOF
# Test 2.
aut = spot.automaton("""
HOA: v1
States: 3
Start: 0
@ -74,9 +52,9 @@ State: 2
[0] 2 {1}
--END--
EOF
""")
cat >out.exp << EOF
HOA: v1
exp = """HOA: v1
States: 3
Start: 0
AP: 1 "a"
@ -92,13 +70,13 @@ State: 1
State: 2
[!0] 1
[0] 2 {0}
--END--
EOF
--END--"""
run 0 ../tra2tba test2.hoa > out.hoa
diff out.hoa out.exp
res = spot.tra_to_tba(aut)
assert(res.to_str('hoa') == exp)
cat >test3.hoa <<EOF
# Test 3.
aut = spot.automaton("""
HOA: v1
States: 2
Start: 0
@ -111,10 +89,9 @@ State: 0
State: 1
[0] 1 {2}
--END--
EOF
""")
cat >out.exp << EOF
HOA: v1
exp = """HOA: v1
States: 2
Start: 0
AP: 2 "a" "b"
@ -127,13 +104,13 @@ State: 0
[0] 1
State: 1
[0] 1
--END--
EOF
--END--"""
run 0 ../tra2tba test3.hoa > out.hoa
diff out.hoa out.exp
res = spot.tra_to_tba(aut)
assert(res.to_str('hoa') == exp)
cat >test4.hoa <<EOF
# Test 4.
aut = spot.automaton("""
HOA: v1
States: 3
Start: 0
@ -149,10 +126,9 @@ State: 1
State: 2
[t] 2 {3}
--END--
EOF
""")
cat >out.exp << EOF
HOA: v1
exp = """HOA: v1
States: 3
Start: 0
AP: 2 "a" "b"
@ -168,13 +144,13 @@ State: 1 {0}
[t] 1
State: 2 {0}
[t] 2
--END--
EOF
--END--"""
run 0 ../tra2tba test4.hoa > out.hoa
diff out.hoa out.exp
res = spot.tra_to_tba(aut)
assert(res.to_str('hoa') == exp)
cat >test5.hoa <<EOF
# Test 5.
aut = spot.automaton("""
HOA: v1
States: 4
Start: 0
@ -193,10 +169,9 @@ State: 2
State: 3
[t] 3 {5}
--END--
EOF
""")
cat >out.exp << EOF
HOA: v1
exp = """HOA: v1
States: 4
Start: 0
AP: 3 "a" "b" "c"
@ -215,13 +190,13 @@ State: 2 {0}
[t] 2
State: 3 {0}
[t] 3
--END--
EOF
--END--"""
run 0 ../tra2tba test5.hoa > out.hoa
diff out.hoa out.exp
res = spot.tra_to_tba(aut)
assert(res.to_str('hoa') == exp)
cat >test6.hoa <<EOF
# Test 6.
aut = spot.automaton("""
HOA: v1
States: 2
Start: 0
@ -239,10 +214,9 @@ State: 0 "F(Gp3|GFp2)"
[!0&1] 1 {2 3 }
[!0&!1] 0 {2 3 }
--END--
EOF
""")
cat >out.exp << EOF
HOA: v1
exp = """HOA: v1
States: 4
Start: 0
AP: 2 "p3" "p2"
@ -269,13 +243,13 @@ State: 2
State: 3
[0&1] 3 {0}
[0&!1] 2 {0}
--END--
EOF
--END--"""
run 0 ../tra2tba test6.hoa > out.hoa
diff out.hoa out.exp
res = spot.tra_to_tba(aut)
assert(res.to_str('hoa') == exp)
cat >test7.hoa <<EOF
# Test 7.
aut = spot.automaton("""
HOA: v1
name: "FG(a)"
properties: deterministic
@ -289,10 +263,9 @@ State: 0 "FG(a)"
[0] 0 {1 }
[!0] 0 {0 1 }
--END--
EOF
""")
cat >out.exp << EOF
HOA: v1
exp = """HOA: v1
States: 2
Start: 0
AP: 1 "a"
@ -306,13 +279,13 @@ State: 0
[0] 1
State: 1 {0}
[0] 1
--END--
EOF
--END--"""
run 0 ../tra2tba test7.hoa > out.hoa
diff out.hoa out.exp
res = spot.tra_to_tba(aut)
assert(res.to_str('hoa') == exp)
cat >test8.hoa <<EOF
# Test 8.
aut = spot.automaton("""
HOA: v1
States: 7
Start: 0
@ -346,10 +319,9 @@ State: 3 "6"
[!0&2] 3 {0 1 2 }
[!2] 4 {0 1 2 }
--END--
EOF
""")
cat >out.exp << EOF
HOA: v1
exp = """HOA: v1
States: 8
Start: 0
AP: 3 "p0" "p2" "p3"
@ -386,13 +358,13 @@ State: 6
[!0] 4
State: 7
[0&2] 7 {0}
--END--
EOF
--END--"""
run 0 ../tra2tba test8.hoa > out.hoa
diff out.hoa out.exp
res = spot.tra_to_tba(aut)
assert(res.to_str('hoa') == exp)
cat >test9.hoa <<EOF
# Test 9.
aut = spot.automaton("""
HOA: v1
States: 2
Start: 0
@ -406,30 +378,29 @@ State: 1
[0&!2] 1 {0 1}
[!0&!2] 0 {0 1}
--END--
EOF
""")
cat >out.exp << EOF
HOA: v1
exp = """HOA: v1
States: 2
Start: 0
AP: 3 "p0" "p4" "p1"
AP: 3 "p4" "p0" "p1"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc deterministic
--BODY--
State: 0 {0}
[0&!2] 1
[!0&!2] 0
[1&!2] 1
[!1&!2] 0
State: 1
[0&!2] 1
[!0&!2] 0
--END--
EOF
[1&!2] 1
[!1&!2] 0
--END--"""
run 0 ../tra2tba test9.hoa > out.hoa
diff out.hoa out.exp
res = spot.tra_to_tba(aut)
assert(res.to_str('hoa') == exp)
cat >test10.hoa <<EOF
# Test 10.
aut = spot.automaton("""
HOA: v1
States: 2
Start: 0
@ -444,10 +415,9 @@ State: 0 "0"
State: 1 "1"
[1] 1 {1 }
--END--
EOF
""")
cat >out.exp << EOF
HOA: v1
exp = """HOA: v1
States: 3
Start: 0
AP: 2 "p0" "p2"
@ -464,13 +434,13 @@ State: 1 {0}
[1] 1
State: 2 {0}
[0&1] 2
--END--
EOF
--END--"""
run 0 ../tra2tba test10.hoa > out.hoa
diff out.hoa out.exp
res = spot.tra_to_tba(aut)
assert(res.to_str('hoa') == exp)
cat >test11.hoa <<EOF
# Test 11.
aut = spot.automaton("""
HOA: v1
States: 2
Start: 0
@ -484,26 +454,98 @@ State: 0 "3"
[1] 1 {2 3 }
[!1] 0 {3 }
--END--
EOF
""")
cat >out.exp << EOF
HOA: v1
exp = """HOA: v1
States: 2
Start: 0
AP: 2 "p2" "p0"
AP: 2 "p0" "p2"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels trans-acc complete
properties: deterministic
--BODY--
State: 0
[1] 1
[!1] 0 {0}
[0] 1
[!0] 0 {0}
State: 1
[1] 1 {0}
[!1] 0 {0}
--END--
EOF
[0] 1 {0}
[!0] 0 {0}
--END--"""
run 0 ../tra2tba test11.hoa > out.hoa
diff out.hoa out.exp
res = spot.tra_to_tba(aut)
assert(res.to_str('hoa') == exp)
# Test 12.
aut = spot.automaton("""
HOA: v1
properties: deterministic
properties: complete
States: 2
Start: 0
Acceptance: 3 Fin(0) | Fin(1)&Inf(2)
AP: 2 "p2" "p0"
--BODY--
State: 1 "1"
[1] 1 {0 1 2}
[!1] 0 {0 2}
State: 0 "3"
[1] 1 {1 2}
[!1] 0 {2}
--END--
""")
exp = """HOA: v1
States: 4
Start: 0
AP: 2 "p0" "p2"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc
--BODY--
State: 0
[0] 1
[!0] 0
[!0] 2
[!0] 3
State: 1
[0] 1
[!0] 0
[!0] 3
State: 2
[!0] 2
State: 3 {0}
[!0] 3
--END--"""
res = spot.tra_to_tba(aut)
assert(res.to_str('hoa') == exp)
# Test 13.
aut = spot.automaton("""
HOA: v1
properties: deterministic
properties: complete
States: 2
Start: 0
Acceptance: 3 Inf(0) | Fin(1)&Inf(2)
AP: 2 "p3" "p2"
--BODY--
State: 1 "F(Gp3|GFp2)"
[0&1] 1 {0 2}
[0&!1] 0 {0}
[!0&1] 1 {0 1 2}
[!0&!1] 0 {0 1 2}
State: 0 "F(Gp3|GFp2)"
[0&1] 1 {2}
[0&!1] 0 {0}
[!0&1] 1 {}
[!0&!1] 0 {2}
--END--
""")
res = spot.tra_to_tba(aut)
tba = spot.tgba_determinize(res)
a = spot.dtwa_complement(aut).intersects(tba)
b = spot.dtwa_complement(tba).intersects(aut)
assert(a == b)