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Verification of critical systems described in real-time TiMo 

  • FMICS 2015/2016
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International Journal on Software Tools for Technology Transfer Aims and scope Submit manuscript

Abstract

We present a simple prototyping language for describing real-time systems including specific features as timeouts, explicit locations, timed migration and timed communication. The parallel execution of a step is provided by multiset labelled transitions. To illustrate its features, we describe a railway control system, and define some behavioural equivalences matching multisets of actions that could happen in a given interval of time. We define strong time-bounded bisimulation and strong open time-bounded bisimulation, and prove that the latter one is a congruence. By using various bisimulations over the behaviours of real-time systems, we can check which behaviours are closer to an optimal and safe behaviour. Automatic analysis is performed using a verification platform called TiMo@PAT which supports the verification of domain-specific properties like process location reachability, time-bounded properties, as well as optimizing resources.

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Authors and Affiliations

  1. Romanian Academy, Institute of Computer Science, Blvd. Carol I No. 11, 700506, Iaşi, Romania

    Bogdan Aman & Gabriel Ciobanu

Authors
  1. Bogdan Aman
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  2. Gabriel Ciobanu
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Correspondence to Bogdan Aman.

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Aman, B., Ciobanu, G. Verification of critical systems described in real-time TiMo . Int J Softw Tools Technol Transfer 19, 395–408 (2017). https://doi.org/10.1007/s10009-016-0439-9

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  • DOI: https://doi.org/10.1007/s10009-016-0439-9

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