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Modeling actor systems using dynamic I/O automata. (English) Zbl 1461.68135

Mazzara, Manuel (ed.) et al., Perspectives of system informatics. 10th international Andrei Ershov informatics conference, PSI 2015, in memory of Helmut Veith, Kazan and Innopolis, Russia, August 24–27, 2015. Revised selected papers. Cham: Springer. Lect. Notes Comput. Sci. 9609, 186-202 (2016).
Summary: Actor-based programming has become an important technique for the development of concurrent and distributed systems. This paper presents a new automaton model for actor systems and demonstrates how the model can be used for compositional verification. The model allows expressing the detailed behavior of actor components where components are built from actors and other components. It abstracts from internal and environment behavior, supports encapsulation of actors, and captures the dynamic aspects of actor creation and exposure of actor names to the component environment, which are crucial for verification. We handle these changes at the component interface by specializing dynamic I/O automata. The model can be used as a foundation of different verification techniques. We illustrate this by combining weakest precondition techniques on the actor level with simulation proofs on the component level.
For the entire collection see [Zbl 1347.68011].

MSC:

68Q85 Models and methods for concurrent and distributed computing (process algebras, bisimulation, transition nets, etc.)
68Q45 Formal languages and automata
68Q60 Specification and verification (program logics, model checking, etc.)

Software:

ABS
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