Abstraction-Based Computation of Reward Measures for Markov Automata

  • Bettina Braitling
  • Luis María Ferrer Fioriti
  • Hassan Hatefi
  • Ralf Wimmer
  • Bernd Becker
  • Holger Hermanns
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8931)

Abstract

Markov automata allow us to model a wide range of complex real-life systems by combining continuous stochastic timing with probabilistic transitions and nondeterministic choices. By adding a reward function it is possible to model costs like the energy consumption of a system as well.

However, models of real-life systems tend to be large, and the analysis methods for such powerful models like Markov (reward) automata do not scale well, which limits their applicability. To solve this problem we present an abstraction technique for Markov reward automata, based on stochastic games, together with automatic refinement methods for the computation of time-bounded accumulated reward properties. Experiments show a significant speed-up and reduction in system size compared to direct analysis methods.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  • Bettina Braitling
    • 1
  • Luis María Ferrer Fioriti
    • 2
  • Hassan Hatefi
    • 2
  • Ralf Wimmer
    • 1
  • Bernd Becker
    • 1
  • Holger Hermanns
    • 2
  1. 1.Albert-Ludwigs-Universität FreiburgGermany
  2. 2.Saarland UniversitySaarbrückenGermany

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