Formal semantics of extended hierarchical state transition matrix by CSP
ACM SIGSOFT Software Engineering Notes
Formalizing non-concurrent UML state machines using colored petri nets
ACM SIGSOFT Software Engineering Notes
USMMC: a self-contained model checker for UML state machines
Proceedings of the 2013 9th Joint Meeting on Foundations of Software Engineering
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UML has become the dominant modeling language in software engineering arena. In order to reduce cost induced by design issues, it is crucial to detect model-level errors in the initial phase of software development. In this paper, we focus on the formal verification of dynamic behavior of UML diagrams. We present an approach to automatically verifying models composed of UML state machines. Our approach is to translate UML models to the input language of our home grown model checker PAT in such a way as to be transparent for users. Compared to previous efforts, our approach supports a more complete subset of state machine including fork, join, history and submachine features. It alleviates the state explosion problem by limiting the use of auxiliary variables. Additionally, this approach allows to check safety/liveness properties (with various fairness assumptions), trace refinement relationships and so on with the help of PAT.