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dbranch: fix handling of states without successors

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Fixes #524, reported by Rüdiger Ehlers.

* spot/twaalgos/dbranch.cc: When merging an edge going to state
without successors simply delete it.
* bin/spot-x.cc: Typo in documentation.
* tests/core/ltlcross.test: Add a test case.
* NEWS: Mention the bug.
This commit is contained in:
Alexandre Duret-Lutz 2023-01-23 11:59:49 +01:00
parent 39212bbcd2
commit 7e1d684797
4 changed files with 31 additions and 21 deletions
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4
NEWS
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@ -10,6 +10,10 @@ New in spot 2.11.3.dev (not yet released)
multiple initial states (because Spot supports only one), the HOA
parser could break state-based acceptance. (Issue #522.)
- delay_branching_here(), a new optimization of Spot 2.11 had an
incorrect handling of states without successors, causing some
segfaults. (Issue #524.)
New in spot 2.11.3 (2022-12-09)
Bug fixes: