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stutter: complement non-det automata via determinization

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Fixes #164.

* spot/twaalgos/stutter.hh, spot/twaalgos/stutter.cc: Implement
the determinization, while keeping it optional.
* NEWS: Mention the change.
* tests/core/ltl2dstar.test, tests/core/stutter-tgba.test: Add
test cases.
* tests/core/readsave.test: Adjust.
This commit is contained in:
Alexandre Duret-Lutz 2016-07-19 12:02:08 +02:00
parent 29a1e3a299
commit 5a2bc9f915
6 changed files with 65 additions and 26 deletions
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37
tests/core/stutter-tgba.test
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@ -1,7 +1,7 @@
#! /bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) 2014, 2015 Laboratoire de Recherche et Développement
# de l'Epita (LRDE).
# Copyright (C) 2014, 2015, 2016 Laboratoire de Recherche et
# Développement de l'Epita (LRDE).
#
# This file is part of Spot, a model checking library.
#
@ -42,7 +42,7 @@ $autfilt --states=12 prod.hoa -q
#
# We just run those without checking the output, it is enough to
# trigger assertions in the HOA output routines.
run 0 $ltl2tgba -H 'X(a U b)' > det.hoa
$ltl2tgba -H 'X(a U b)' > det.hoa
run 0 $autfilt --destut det.hoa -H
run 0 $autfilt --instut=1 det.hoa -H
run 0 $autfilt --instut=2 det.hoa -H
@ -72,16 +72,33 @@ EOF
diff output expected
run 0 $ltl2tgba -H 'F(a & X(!a & b))' > input
grep stutter-invariant input && exit 1
$ltl2tgba -H 'F(a & X(!a & b))' > input
grep ' stutter-invariant' input && exit 1
run 0 $ltl2tgba --check=stutter 'F(a & X(!a & b))' > input.2
grep stutter-invariant input.2
grep ' stutter-invariant' input.2
run 0 $autfilt --check=stutter input > input.2
grep stutter-invariant input.2
grep ' stutter-invariant' input.2
run 0 $ltl2tgba -H 'F(a & X(a & b))' > input
$ltl2tgba 'F(a & X(a & b))' > input
grep stutter-invariant input && exit 1
run 0 $ltl2tgba --check=stutter 'F(a & X(a & b))' > input.2
grep stutter-sensitive input.2
# HOA v1.1 calls it "!stutter-invariant"
run 0 $ltl2tgba -H1.1 --check=stutter 'F(a & X(a & b))' > input.2
grep '!stutter-invariant' input.2
# HOA v1 has no name, so we use "stutter-sensitive"
run 0 $autfilt --check=stutter input > input.2
grep stutter-sensitive input.2
$ltl2tgba 'F(a & X(!a & Gb))' > input
grep stutter-invariant input && exit 1
grep deterministic input && exit 1
# This will involve a complementation
run 0 $autfilt --check=stutter input > input.2
grep ' stutter-invariant' input.2
$ltl2tgba 'F(a & X(a & Gb))' > input
grep stutter input && exit 1
grep deterministic input && exit 1
# This will involve a complementation
run 0 $autfilt -H1.1 --check=stutter input > input.2
grep '!deterministic' input.2
grep '!stutter-invariant' input.2