Properties Verification of PTA

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Dong Yuanfa

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Nov 22, 2021, 2:50:20 AM11/22/21
to PRISM model checker developers

Hi, could you help me?

Can PRISM perform PTCTL requirement specification verification? If so, how can the PTCTL specification z.P>o.95[(×≤3)U(z=8)] be represented by codes in PRISM, and how represent "z"?


Dave Parker

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Nov 25, 2021, 6:52:17 AM11/25/21
to Dong Yuanfa, PRISM model checker developers
Hi Dong,

We don't support full PTCTL, but for this specific example it is
feasible because you just have a single formula clock z. You can achieve
this by adding another clock to your model, which is never used/reset. I
believe you will need to use the digital clocks engine since your
property includes references to the clocks in the target.

https://prismmodelchecker.org/manual/ConfiguringPRISM/ComputationEngines#pta

By the way, this forum is mainly for developer questions. It is better
to use the general one for this kind of question:

http://groups.google.com/group/prismmodelchecker

Best wishes,

Dave
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