Probabilistic verification of Architectural software models using SoftArc and Prism

B.R. Haverkort, M. Kuntz, F. Leitner-Fischer, A. Remke, S. Roolvink

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    In this paper we will describe the SoftArc approach. With the SoftArc approach it is possible to model and analyse safety-critical embedded and distributed systems that consist of both hard- and software. We are going to present the SoftArc modelling language, its syntax and semantics. The semantics of the SoftArc modelling language is defined in terms of stochastic reactive modules. We will show how important measures of interest for probabilistic dependability analysis like availability, unavailability, and survivability, can be analysed. We will demonstrate the feasibility of our approach by means of two case studies, that involve hard- and software elements. First, we are presenting two industrial case studies from the automotive industry. We will analyse the non volatile random access manager (NVRAM) from the AUTOSAR open system architecture, Second, we are going to present the survivability analysis of a simplified version of the Google replicated file system.
    Original languageEnglish
    Title of host publicationReliability, Risk and Safety Back to the Future
    Subtitle of host publicationProceedings of the European Safety and Reliability Conference, ESREL 2010
    EditorsBen J.M. Ale, Ioannis A. Papazoglou, Enrico Zio
    Place of PublicationLondon
    PublisherTaylor & Francis
    Number of pages9
    ISBN (Print)978-0-415-60427-7
    Publication statusPublished - 5 Sep 2010
    EventEuropean Safety and Reliability Conference, ESREL 2010: Reliability, Risk and Safety: Back to the Future - Rhodes, Greece
    Duration: 5 Sep 20109 Sep 2010


    ConferenceEuropean Safety and Reliability Conference, ESREL 2010
    Abbreviated titleESREL
    Internet address


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