Verification of Timed Erlang Programs Using McErlang

Abstract : There is a large number of works that apply model checking to timed specifications, however, there are far fewer attempts at model checking concurrent programs for which correct timed behaviour is crucial. In this work we explore the formal verification of timed programs written in the Erlang concurrent programming language, in its full complexity, using the McErlang model checker.We have extended the McErlang model checker with a timed semantics, similar to the timed semantics Lamport has developed for TLA and TLC, but with a few notable differences. In the paper we present the resulting semantics, its implementation in McErlang, and evaluate it using a number of examples. Among the examples is a process supervision component for controlling the processes in an Erlang application, which provides fault-tolerance.
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Clara Earle, Lars-Åke Fredlund. Verification of Timed Erlang Programs Using McErlang. 14th International Conference on Formal Methods for Open Object-Based Distributed Systems (FMOODS) / 32nd International Conference on Formal Techniques for Networked and Distributed Systems (FORTE), Jun 2012, Stockholm, Sweden. pp.251-267, ⟨10.1007/978-3-642-30793-5_16⟩. ⟨hal-01528738⟩

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