Brotherston, J;
Gorogiannis, N;
(2015)
Disproving Inductive Entailments in Separation Logic via Base Pair Approximation.
In:
Automated Reasoning with Analytic Tableaux and Related Methods: 24th International Conference, TABLEAUX 2015, Wroclaw, Poland, September 21-24, 2015, Proceedings.
(pp. pp. 287-303).
Springer International Publishing: Switzerland.
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Abstract
We give a procedure for establishing the invalidity of logical entailments in the symbolic heap fragment of separation logic with user-defined inductive predicates, as used in program verification. This disproof procedure attempts to infer the existence of a countermodel to an entailment by comparing computable model summaries, a.k.a. bases (modified from earlier work), of its antecedent and consequent. Our method is sound and terminating, but necessarily incomplete. Experiments with the implementation of our disproof procedure indicate that it can correctly identify a substantial proportion of the invalid entailments that arise in practice, at reasonably low time cost. Accordingly, it can be used, e.g., to improve the output of theorem provers by returning “no” answers in addition to “yes” and “unknown” answers to entailment questions, and to speed up proof search or automated theory exploration by filtering out invalid entailments.
| Type: | Proceedings paper |
|---|---|
| Title: | Disproving Inductive Entailments in Separation Logic via Base Pair Approximation |
| Event: | 24th International Conference, TABLEAUX 2015 |
| ISBN-13: | 9783319243115 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1007/978-3-319-24312-2_20 |
| Publisher version: | http://dx.doi.org/10.1007/978-3-319-24312-2_20 |
| Language: | English |
| Additional information: | Copyright © Springer International Publishing Switzerland 2015. The final publication is available at Springer via http://dx.doi.org/10.1007/978-3-319-24312-2_20 |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science |
| URI: | https://discovery.ucl.ac.uk/id/eprint/1474215 |
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