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Analysis of Hybrid Systems Using HySAT

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4 Author(s)
Herde, C. ; Carl von Ossietzky Univ., Oldenburg ; Eggers, A. ; Franzle, M. ; Teige, T.

In this paper we describe the complete workflow of analyzing the dynamic behavior of safety-critical embedded systems with HySAT. HySAT is an arithmetic constraint solver with a tightly integrated bounded model checker for hybrid discrete-continuous systems which - in contrast to many other solvers - is not confined to linear arithmetic, but can also deal with nonlinear constraints involving transcendental functions. Based on a controller for train separation implementing a "moving block" interlocking scheme in the forthcoming European Train Control System Level 3, we exemplify the usage of the tool over the whole cycle from encoding a hybrid system to interpreting the results.

Published in:

Systems, 2008. ICONS 08. Third International Conference on

Date of Conference:

13-18 April 2008