远隔间-一种新的隔间可达性算法

S. Conchon, A. Goel, S. Krstic, R. Majumdar, Mattias Roux
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引用次数: 3

摘要

提出了一种用于参数化软件系统安全特性验证的全自动算法。该算法同时基于IC3和Lazy Annotation。我们在隔间中实现了它,这是一个模型检查器,用于验证基于阵列的系统的安全属性。缓存一致性协议和互斥算法是这类系统的已知示例。我们的算法迭代地构建一个抽象的可达性图,从反例中提炼可达状态集。通过反例近似进行细化。我们展示了这种算法的有效性和局限性,以及由此产生的权衡。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
FAR-Cubicle — A new reachability algorithm for Cubicle
We present a fully automatic algorithm for verifying safety properties of parameterized software systems. This algorithm is based on both IC3 and Lazy Annotation. We implemented it in Cubicle, a model checker for verifying safety properties of array-based systems. Cache-coherence protocols and mutual exclusion algorithms are known examples of such systems. Our algorithm iteratively builds an abstract reachability graph refining the set of reachable states from counter-examples. Refining is made through counter-example approximation. We show the effectiveness and limitations of this algorithm and tradeoffs that results from it.
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