www.prismmodelchecker.org
[OMD14] Samir Ouchani, Otmane Aït Mohameda and Mourad Debbabi. A property-based abstraction framework for SysML activity diagrams. Knowledge-Based Systems, 6, pages 328-343. January 2014. [Presents methods to abstract and verify SysML activity diagrams using PRISM as a back-end.]
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