www.prismmodelchecker.org
[ABD+23] Yamine Aït-Ameur, Sergiy Bogomolov, Guillaume Dupont, Alexei Iliasov, Alexander Romanovsky and Paulius Stankaitis. A Refinement-based Formal Development of Cyber-physical Railway Signalling Systems. Formal Aspects of Computing. 2023. [Presents a formal development methodology for railway signalling systems, including the use of PRISM for probabilistic verification.]
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