Abstraction of parallel uniform processes with data

Pang, Jun; Pol, Jaco van de; Espada, Miguel Valero

doi:10.1109/sefm.2004.1347499

Cited by 1 publication

(1 citation statement)

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“…Finally, in a different direction, we plan to extend the abstraction technique to reason about distributed software. For example, abstractions may be used to capture the behaviour of a single actor/agent as a process term, allowing process algebraic techniques such as [20] to be used for further verification.…”

Section: Discussionmentioning

confidence: 99%

An Abstraction Technique for Describing Concurrent Program Behaviour

Oortwijn

Blom

Gurov

et al. 2017

Lecture Notes in Computer Science

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This paper presents a technique to reason about functional properties of shared-memory concurrent software by means of abstraction. The abstract behaviour of the program is described using process algebras. In the program we indicate which concrete atomic steps correspond to the actions that are used in the process algebra term. Each action comes with a specification that describes its effect on the shared state. Program logics are used to show that the concrete program steps adhere to this specification. Separately, we also use program logics to prove that the program behaves as described by the process algebra term. Finally, via process algebraic reasoning we derive properties that hold for the program from its abstraction. This technique allows reasoning about the behaviour of highly concurrent, non-deterministic and possibly nonterminating programs. The paper discusses various verification examples to illustrate our approach. The verification technique is implemented as part of the VerCors toolset. We demonstrate that our technique is capable of verifying data-and control-flow properties that are hard to verify with alternative approaches, especially with mechanised tool support.

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Section: Discussionmentioning

confidence: 99%