Verification of clocked and hybrid systems
Verification of clocked and hybrid systems
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DOI:
10.1007/s002360050177
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发表时间:
1996-11
期刊:
影响因子:
0.6
通讯作者:
Y. Kesten;Z. Manna;A. Pnueli
中科院分区:
文献类型:
--
作者:
Y. Kesten;Z. Manna;A. Pnueli
This paper presents a new computational model for real-time systems, called theclocked transition system(CTS) model. TheCTSmodel is a development of our previoustimed transitionmodel, where some of the changes are inspired by the model oftimed automata. The new model leads to a simpler style of temporal specification and verification, requiring no extension of the temporal language. We present verification rules for proving safety a nd liveness properties of clocked transition systems. All rules are associated with verification diagrams. The verification ofresponseproperties requires adjustments of the proof rules developed for untimed systems, reflecting the fact that progress in the real time systems is ensured by the progress of time and not by fairness. The style of the verification rules is very close to the verification style of untimed systems which allows the (re)use of verification methods and tools, developed for u ntimed reactive systems, for proving all interesting properties of real-time systems.We conclude with the presentation of a branching-time based approach for verifying that an arbitrary givenCTSisnon-zeno.Finally, we present an extension of the model and the invariance proof rule for hybrid systems.