product_susp: fix handling of unsatisfiable/universal acceptances

Part of issue #546 reported by Rüdiger Ehlers

* spot/twaalgos/product.cc (product_susp): Fix detection and handling
of unsatisfiable/universal acceptances.
* tests/python/_product_susp.ipynb: Add test cases.
This commit is contained in:
Alexandre Duret-Lutz 2023-11-07 17:17:58 +01:00
parent 127cb89cad
commit ac05035267
3 changed files with 1265 additions and 57 deletions

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