Informace o publikaci

Witch 3: Validation of Violation Witnesses in the Witness Format 2.0

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AYAZIOVÁ Paulína STREJČEK Jan

Rok publikování 2024
Druh Článek ve sborníku
Konference Tools and Algorithms for the Construction and Analysis of Systems - 30th International Conference, TACAS 2024, Held as Part of the European Joint Conferences on Theory and Practice of Software, ETAPS 2024, Luxembourg City, Luxembourg, April 6-11, 2024, Proceedings, Part III
Fakulta / Pracoviště MU

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Citace
www https://link.springer.com/book/10.1007/978-3-031-57256-2_18
Doi http://dx.doi.org/10.1007/978-3-031-57256-2_18
Klíčová slova Witch;witness-validator;SV-COMP;verification witness
Popis Witch 3 is a new validator of violation witnesses in the witness format 2.0. Note that our previous tool, Symbiotic-Witch 2, can validate only violation witnesses in the old GraphML format. Witch 3 validates witnesses of reachability of an error function, overflows, and invalid dereferences and deallocations. Similarly to Symbiotic-Witch 2, the tool is based on symbolic execution and uses parts of the Symbiotic framework. Support of the witness format 2.0 in Witch 3 includes features not supported by Symbiotic-Witch 2, such as constraints on the program variables and function return values, specifying statements by column, and providing the concrete statement in which the violation occurs. These additional features can further restrict the explored state space, and, more importantly, allow for much more precise validation.
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