SDL'07 Proceedings of the 13th international SDL Forum conference on Design for dependable systems
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UML can be effectively used for the design and analysis of real-time systems. UML profiles for real-time, like the current OMG's standard UML/SPT, enable the modeling of quantitative requirements such as time constraints as well as behavioral features such as concurrency. Because of the multitude of diagrams and their complexity, UML/SPT models face the challenging issue of consistency. In this paper we look into the behavioral consistency and particularly into concurrency-related properties of UML/SPT models. In order to do so, we formally define the UML/SPT concurrency domain model in terms of timed automata. As a straightforward application of this semantics, UML/SPT concurrent models can be validated using well-established model checking techniques and tools.