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ignore false edges in emptiness checks and scc_info

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Based on reports by Florian Renkin and Jens Kreber.

* spot/twaalgos/bfssteps.cc, spot/twaalgos/couvreurnew.cc,
spot/twaalgos/gtec/gtec.cc, spot/twaalgos/gv04.cc,
spot/twaalgos/magic.cc, spot/twaalgos/sccinfo.cc
spot/twaalgos/se05.cc, spot/twaalgos/tau03.cc: Ignore bddfalse edges.
* spot/twaalgos/gtec/gtec.hh: Remove debugging function.
* tests/core/neverclaimread.test: Adjust.
* tests/python/ecfalse.py: New test file.
* tests/Makefile.am: Add it.
* NEWS: Mention the bug.
This commit is contained in:
Alexandre Duret-Lutz 2020-04-11 11:09:10 +02:00
parent 67fa19cb08
commit 0b25820211
13 changed files with 206 additions and 61 deletions
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4
tests/core/neverclaimread.test
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@ -1,6 +1,6 @@
#!/bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) 2010-2015, 2017-2018 Laboratoire
# Copyright (C) 2010-2015, 2017-2018, 2020 Laboratoire
# de Recherche et Développement de l'Epita (LRDE).
#
# This file is part of Spot, a model checking library.
@ -340,7 +340,7 @@ digraph "-" {
1 [label="1", peripheries=2]
}
subgraph cluster_1 {
color=red
color=black
label=""
0 [label="0"]
}