Theory and Applications of Satisfiability Testing - SAT 2019 - 22nd International Conference, SAT 2019, Lisbon, Portugal, July 9-12, 2019, Proceedings

Theory and Applications of Satisfiability Testing - SAT 2019 - 22nd International Conference, SAT 2019, Lisbon, Portugal, July 9-12, 2019, Proceedings
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满意度测试的理论与应用 - SAT 2019 - 第 22 届国际会议,SAT 2019,葡萄牙里斯本,2019 年 7 月 9-12 日,会议记录

DOI:
10.1007/978-3-030-24258-9_15
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发表时间:
2019
期刊:
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影响因子:
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通讯作者:
Mencía C
Mencía C
中科院分区:
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文献类型:
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作者:
Mencía C

文献摘要

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本文研究了不可满足CNF公式,并讨论了极小不可满足子公式(MUS)中子句的并的计算问题。MUSes的并集是不可行性分析中的一个有用的概念,因为它总结了给定公式不可满足的所有原因。本文提出了一种新的算法,开发了一个完善的递归枚举的MUSes强大的修剪技术的基础上。实验结果表明,该方法的实用性。
This paper considers unsatisfiable CNF formulas and addresses the problem of computing the union of the clauses included in some minimally unsatisfiable subformula (MUS). The union of MUSes represents a useful notion in infeasibility analysis since it summarizes all the causes for the unsatisfiability of a given formula. The paper proposes a novel algorithm for this problem, developing a refined recursive enumeration of MUSes based on powerful pruning techniques. Experimental results indicate the practical suitability of the approach.