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Net Implementation of Optimal Simulations

Lookup NU author(s): Professor Maciej Koutny

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Abstract

We here discuss optimal simulations which provide the designer of a concurrent system with a sound and efficient verification technoque enabling reasoning about important dynamic properties of the system. The optimal simulation, involving only a subset of the possible behaviours generated by the system, provides sufficient infornmation to reason about a number of interesting systems properties (such as deadlock-freeness and liveness), and requires a minimal computational effort. In this paper we consider the implementation aspects of the optimal simulation. Our main contribution is an algorithm generating a reachability grapph of the optimal simulation for the class of systems which can be adequately modelled by petri nets composed of finite state machines. Such a reachability graph is usually much smaller than the standard rechability graph of the net, yet both graphs essentially convey the same information about the system's behaviour.


Publication metadata

Author(s): Janicki R, Koutny M

Publication type: Report

Publication status: Published

Series Title: Computing Laboratory Technical Report Series

Year: 1990

Pages: 26

Report Number: 312

Institution: Computing Laboratory, University of Newcastle upon Tyne

Place Published: Newcastle upon Tyne

URL: http://www.cs.ncl.ac.uk/publications/trs/papers/312.pdf


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