Abstract
AbstractThe validation of violation witnesses is an important step during software verification. It hides false alarms raised by verifiers from engineers, which in turn helps them concentrate on critical issues and improves the verification experience. Until the 2021 edition of the Competition on Software Verification (SV-COMP),CPAcheckerwas the only witness validator for theConcurrencySafetycategory. This article describes how we extended theDartagnanverifier to support the validation of violation witnesses. The results of the 2022 edition of the competition show that, for witnesses generated by different verifiers,Dartagnansucceeds in the validation of witnesses whereCPAcheckerdoes not. Our extension thus improves the validation possibilities for the overall competition. We discussDartagnan’s strengths and weaknesses as a validation tool and describe possible ways to improve it in the future.
Publisher
Springer International Publishing
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