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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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NEWS
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@ -119,6 +119,9 @@ New in spot 2.8.7.dev (not yet released)
- Relabeling automata could introduce false edges. Those are now
removed.
- Emptiness checks, and scc_info should now ignore edges labeled
with false.
New in spot 2.8.7 (2020-03-13)
Bugs fixed: