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simulation: fix merging transiant SCCs

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This fixes #452, and also fix a bug related to transiant SCCs
incorrectly merged in cosimulation: the source of the edges was
updated without fixing the chaining of the edges.

* spot/twaalgos/simulation.cc: Fix all the above.
* tests/python/simstate.py: Add test case from issue #452.
* tests/core/det.test, tests/core/ltlsynt.test,
tests/core/satmin.test: Lower expected sizes.
* tests/python/decompose.ipynb: Adjust for changed order.
This commit is contained in:
Alexandre Duret-Lutz 2021-04-19 23:38:50 +02:00
parent cfa3417449
commit fca6513604
6 changed files with 203 additions and 142 deletions
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4
tests/core/ltlsynt.test
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@ -1,6 +1,6 @@
#! /bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) 2017, 2019, 2020 Laboratoire de Recherche et
# Copyright (C) 2017, 2019-2021 Laboratoire de Recherche et
# Développement de l'Epita (LRDE).
#
# This file is part of Spot, a model checking library.
@ -376,6 +376,6 @@ diff out exp
f='Fp0 U XX((p0 & F!p1) | (!p0 & Gp1))'
ltlsynt --verbose --algo=ps --outs=p1 --ins=p0 -f "$f" 2>err
grep 'DPA has 14 states' err
grep 'DPA has 13 states' err
ltlsynt --verbose -x wdba-minimize=1 --algo=ps --outs=p1 --ins=p0 -f "$f" 2>err
grep 'DPA has 12 states' err