Verification of a dynamic channel model using the SPIN model checker

Rune Møllegaard Friborg, Brian Vinter

Abstract

This paper presents the central elements of a new dynamic channel leading towards a flexible CSP design suited for high-level languages. This channel is separated into three models: a shared-memory channel, a distributed channel and a dynamic synchronisation layer. The models are described such that they may function as a basis for implementing a CSP library, though many of the common features known in available CSP libraries have been excluded from the models. The SPIN model checker has been used to check for the presence of deadlocks, livelocks, starvation, race conditions and correct channel communication behaviour. The three models are separately verified for a variety of different process configurations. This verification is performed automatically by doing an exhaustive verification of all possible transitions using SPIN. The joint result of the models is a single dynamic channel type which supports both local and distributed any-to-any communication. This model has not been verified and the large state-space may make it unsuited for exhaustive verification using a model checker. An implementation of the dynamic channel will be able to change the internal synchronisation mechanisms on-the-fly, depending on the number of channel-ends connected or their location.

OriginalsprogEngelsk
TitelCommunicating Process Architectures 2011 : Proceedings of the 33rd WoTUG Technical Meeting, 19–22 June 2011, University of Limerick, Ireland
RedaktørerPeter H. Welch, Adam T. Sampson, Jan Baekgaard Pedersen, Jon Kerridge, Jan F. Broenink, Frederick R. M. Barnes
Antal sider20
ForlagIOS Press
Publikationsdato2011
Sider35-54
ISBN (Trykt)978-1-60750-773-4
ISBN (Elektronisk)978-1-60750-774-1
DOI
StatusUdgivet - 2011
Begivenhed33rd WoTUG Conference on Concurrent and Parallel Programming: communicating process architectures 2011 - University of Limerick, Limerick, Irland
Varighed: 19 jun. 201122 jun. 2011
Konferencens nummer: 33

Konference

Konference33rd WoTUG Conference on Concurrent and Parallel Programming
Nummer33
LokationUniversity of Limerick
Land/OmrådeIrland
ByLimerick
Periode19/06/201122/06/2011
NavnConcurrent Systems Engineering Series
Vol/bind68
ISSN1383-7575

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