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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...
One approach for the verification of embedded systems, where discrete control is embedded in a continuous environment, is bounded model checking of linear hybrid automata. As a decision procedure within this context, a combination of a propositional SAT-solver and an LP-solver can be used. For such combined SAT-LP solvers, it is, among others, an open question how a robust, i.e., reliable, variable...
We present a SAT-based approach to the task and message allocation problem of distributed real-time systems with hierarchical architectures. In contrast to the heuristic approaches usually applied to this problem, our approach is guaranteed to find an optimal allocation for realistic task systems running on complex target architectures. Our method is based on the transformation of such scheduling...
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