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Testing and debugging techniques for answer set solver development

Published online by Cambridge University Press:  09 July 2010

ROBERT BRUMMAYER  and
MATTI JÄRVISALO
ROBERT BRUMMAYER
Affiliation:
Institute for Formal Models and Verification, Johannes Kepler University Linz, Austria
MATTI JÄRVISALO
Affiliation:
Department of Computer Science, University of Helsinki, Finland
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Abstract

This paper develops automated testing and debugging techniques for answer set solver development. We describe a flexible grammar-based black-box ASP fuzz testing tool which is able to reveal various defects such as unsound and incomplete behavior, i.e. invalid answer sets and inability to find existing solutions, in state-of-the-art answer set solver implementations. Moreover, we develop delta debugging techniques for shrinking failure-inducing inputs on which solvers exhibit defective behavior. In particular, we develop a delta debugging algorithm in the context of answer set solving, and evaluate two different elimination strategies for the algorithm.

Keywords

answer set programminganswer set solverstestingdebugging

Information

Type
Regular Papers
Information
Theory and Practice of Logic Programming , Volume 10 , Special Issue 4-6: 26th International Conference on Logic Programming , July 2010 , pp. 741 - 758
Copyright
Copyright © Cambridge University Press 2010

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