Validating sat solvers using an independent resolution-based checker: Practical implementations and other applications (2003)
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| Venue: | In Proceedings of Design, Automation and Test in Europe (DATE2003 |
| Citations: | 79 - 4 self |
BibTeX
@INPROCEEDINGS{Zhang03validatingsat,
author = {Lintao Zhang},
title = {Validating sat solvers using an independent resolution-based checker: Practical implementations and other applications},
booktitle = {In Proceedings of Design, Automation and Test in Europe (DATE2003},
year = {2003},
pages = {10880--10885}
}
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Abstract
As the use of SAT solvers as core engines in EDA applications grows, it becomes increasingly important to validate their correctness. In this paper, we describe the implementation of an independent resolution-based checking procedure that can check the validity of unsatisfiable claims produced by the SAT solver zchaff. We examine the practical implementation issues of such a checker and describe two implementations with different pros and cons. Experimental results show low overhead for the checking process. Our checker can work with many other modern SAT solvers with minor modifications, and it can provide information for debugging when checking fails. Finally we describe additional results that can be obtained by the validation process and briefly discuss their applications. 1. Introduction and Previous
