A Model Transformation Approach for Specifying Real-Time Systems and Its Verification Using RT-Maude

Int. J. Inf. Technol. Web Eng. Pub Date : 2017-10-01 DOI:10.4018/IJITWE.2017100102

Messaoud Bendiaf, M. Bourahla, Malika Boudia, S. Rehab

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Abstract

Real-timesystemsmustbeproperlyvalidatedandverifiedbeforetheirmanufacturinganddeployment inordertoincreasetheirreliabilityandreducetheirmaintenancecost.Modelshavebeenusedfora longtimetobuildcomplexsystems,invirtuallyeveryengineeringfield.Thisisbecausetheyprovide invaluablehelp inmaking importantdesigndecisionsbefore the system is implemented. In this paper,theauthorsproposeanapproachbasedonmodeltransformationtoapplyformalverification techniquestodemonstratethecorrectnessofsystemdesigns.Atthefirststep,theydescribereal-time systemsbystatechart(machine)diagrams,assourcemodelstogenerateRT-Maudemodels(target models).Thesecondstepistousetheresultmodelstoverifythereal-timesystemsagainstspecified LTLpropertiesusingMaudeLTLModel-Checker.Thisapproachisillustratedthroughanexample. KEyWoRdS Formal Specification and Verification, Model Checking, Model Transformation, Model-to-Text Transformation, Real-Time Systems, Rewriting Logic, RT-Maude, Triple Graph Grammars

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实时系统的模型转换方法及其RT-Maude验证

Real-timesystemsmustbeproperlyvalidatedandverifiedbeforetheirmanufacturinganddeployment inordertoincreasetheirreliabilityandreducetheirmaintenancecost。Modelshavebeenusedfora longtimetobuildcomplexsystems，invirtuallyeveryengineeringfield。Thisisbecausetheyprovide invaluablehelp inmaking importantdesigndecisionsbefore该系统已实现。在本文中，theauthorsproposeanapproachbasedonmodeltransformationtoapplyformalverification techniquestodemonstratethecorrectnessofsystemdesigns。Atthefirststep，theydescribereal-time systemsbystatechart(机器)diagrams，assourcemodelstogenerateRT-Maudemodels(target_模型)。Thesecondstepistousetheresultmodelstoverifythereal-timesystemsagainstspecified LTLpropertiesusingMaudeLTLModel-Checker.Thisapproachisillustratedthroughanexample。关键词:形式规范与验证，模型检查，模型转换，模型到文本转换，实时系统，重写逻辑，RT-Maude，三图语法

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Int. J. Inf. Technol. Web Eng.

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