PSyHCoS: parameter synthesis for hierarchical concurrent real-time systems

Authors:
Étienne André;Yang Liu;Jun Sun;Jin Song Dong;Shang-Wei Lin
Affiliations:
Sorbonne Paris Cité, LIPN, Université Paris 13, Villetaneuse, France;Nanyang Technological University, Singapore;Singapore University of Technology and Design, Singapore;School of Computing, National University of Singapore, Singapore;Temasek Laboratories, National University of Singapore, Singapore
Venue:
CAV'13 Proceedings of the 25th international conference on Computer Aided Verification
Year:
2013

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Abstract

Real-time systems are often hard to control, due to their complicated structures, quantitative time factors and even unknown delays. We present here PSyHCoS, a tool for analyzing parametric real-time systems specified using the hierarchical modeling language PSTCSP. PSyHCoS supports several algorithms for parameter synthesis and model checking, as well as state space reduction techniques. Its architecture favors reusability in terms of syntax, semantics, and algorithms. It comes with a friendly user interface that can be used to edit, simulate and verify PSTCSP models. Experiments show its efficiency and applicability.