Abstract
We investigate the power of play-out, the execution mechanism associated with scenario-based programming, which was defined as the operational semantics of live sequence charts (LSC). We compare some of the play-out strategies and mechanisms suggested in the literature, and discuss their strengths and limitations. Specifically, we define a simple infinite hierarchy of LSC programs, and use it to show that smart play-out, the lookahead version of play-out guided by model-checking, is strictly weaker than full synthesis from LSC.
The research was supported in part by The John von Neumann Minerva Center for the Development of Reactive Systems at the Weizmann Institute of Science and by a Grant from the G.I.F., the German-Israeli Foundation for Scientific Research and Development.
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Harel, D., Kantor, A., Maoz, S. (2010). On the Power of Play-Out for Scenario-Based Programs. In: Dams, D., Hannemann, U., Steffen, M. (eds) Concurrency, Compositionality, and Correctness. Lecture Notes in Computer Science, vol 5930. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-11512-7_13
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