NDLI: Verifying data refinements using a model checker

Content Provider	Springer Nature Link
Author	Smith, Graeme Derrick, John
Copyright Year	2006
Abstract	In this paper, we consider how refinements between state-based specifications (e.g., written in Z) can be checked by use of a model checker. Specifically, we are interested in the verification of downward and upward simulations which are the standard approach to verifying refinements in state-based notations. We show how downward and upward simulations can be checked using existing temporal logic model checkers.In particular, we show how the branching time temporal logic CTL can be used to encode the standard simulation conditions. We do this for both a blocking, or guarded, interpretation of operations (often used when specifying reactive systems) as well as the more common non-blocking interpretation of operations used in many state-based specification languages (for modelling sequential systems). The approach is general enough to use with any state-based specification language, and we illustrate how refinements between Z specifications can be checked using the SAL CTL model checker using a small example.
Starting Page	264
Ending Page	287
Page Count	24
File Format	PDF
ISSN	09345043
Journal	Formal Aspects of Computing
Volume Number	18
Issue Number	3
e-ISSN	1433299X
Language	English
Publisher	Springer-Verlag
Publisher Date	2006-08-08
Publisher Place	London
Access Restriction	Subscribed
Subject Keyword	State-based specifications Z Refinement Downward and upward simulations Model checking CTL Computational Mathematics and Numerical Analysis Math Applications in Computer Science Theory of Computation
Content Type	Text
Resource Type	Article
Subject	Theoretical Computer Science Software

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