Correct and efficient antichain algorithms for refinement checking

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Samenvatting

Refinement checking plays an important role in system verification. This means that the correctness of the system is established by showing a refinement relation between two models; one for the implementation and one for the specification. In [22], Wang et al. describe an algorithm based on antichains for efficiently deciding stable failures refinement and failures-divergences refinement. We identify several issues pertaining to the soundness and performance in these algorithms and propose new, correct, antichain-based algorithms. Using a number of experiments we show that our algorithms outperform the original ones in terms of running time and memory usage. Furthermore, we show that applying divergence-preserving branching bisimulation reduction results in additional run time improvements.
Originele taal-2Engels
Plaats van productieEindhoven
UitgeverijTechnische Universiteit Eindhoven
Aantal pagina's28
StatusGepubliceerd - 2019

Publicatie series

NaamComputer science reports
Volume19/01
ISSN van geprinte versie0926-4515

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