Scenario-based analysis and synthesis of real-time systems using UPPAAL

  • Authors:
  • Kim G. Larsen;Shuhao Li;Brian Nielsen;Saulius Pusinskas

  • Affiliations:
  • Aalborg University, Aalborg, Denmark;Aalborg University, Aalborg, Denmark;Aalborg University, Aalborg, Denmark;Aalborg University, Aalborg, Denmark

  • Venue:
  • Proceedings of the Conference on Design, Automation and Test in Europe
  • Year:
  • 2010

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Abstract

We propose an automated, tool-supported approach to scenario-based analysis and synthesis of real-time embedded systems. The inter-object behaviors of a system are modeled as a set of live sequence charts (LSCs), and the scenario-based user requirement is specified as a separate LSC. By translating the set of LSC charts into a behavior-equivalent network of timed automata (TA), we reduce the problems of model consistency checking and property verification to classical CTL real-time model checking problems, and reduce the problem of centralized synthesis for open systems to a timed game solving problem. We implement a prototype LSC-to-TA translator, which can be linked to existing real-time model checker Uppaal and timed game solver Uppaal-Tiga. Preliminary experiments on a number of examples show that it is a viable approach.