Refinement of Trace Abstraction for Real-Time Programs. Cassez, F., Jensen, P. G., & Larsen, K. G. In Reachability Problems - 11th International Workshop, RP 2017, London, UK, September 7-9, 2017, Proceedings, volume 10506, pages 42–58, 2017. Springer.
Refinement of Trace Abstraction for Real-Time Programs [pdf]Paper  doi  abstract   bibtex   2 downloads  
Real-time programs are made of instructions that can perform assignements to discrete and real-valued variables. They are general enough to capture interesting classes of timed systems such as timed automata, stopwatch automata, time(d) Petri nets and hybrid automata. We propose a semi-algorithm using refinement of trace abstractions to solve the reachability verification problem for real-time programs. We report on the implementation of our algorithm and we show that our new method provides solutions to problems which are unsolvable by the current state-of-the-art tools.

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