We present an incremental algorithm for model checking in the alternatlon-free fragment of the modal mu-calculus, the first incremental algorithm for model checking of which we are aware. The basis for oar algorithm, which we call MCI (for Model Checking Incrementally), is a linear-time algorithm due to Cleaveland and Steffen that performs global (non-incremental) computation of fixed points. MCI takes as input a set Δ of changes to the labeled transition system under investigation, where a change constitutes an inserted or deleted transition; with virtually no additional cost, inserted and deleted states can also be accommodated. Like the Cleaveland-Steffen algorithm, MCI requires time linear in the size of the LTS in the worst case, but only time linear in Δ in the best case. We give several examples to illustrate MCI in action, and discuss its implementation in the Concurrency Factory, an interactive design environment for concurrent systems.
CITATION STYLE
Sokolsky, O. V., & Smolka, S. A. (1994). Incremental model checking in the modal Mu-calculus. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 818 LNCS, pp. 351–363). Springer Verlag. https://doi.org/10.1007/3-540-58179-0_67
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