A Flexible WCET Analysis Method for Safety-Critical Real-Time System using UML-MARTE Model CheckerReport as inadecuate




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1 IRIT - Institut de recherche en informatique de Toulouse 2 LAAS-VERTICS - Équipe Verification de Systèmes Temporisés Critiques LAAS - Laboratoire d-analyse et d-architecture des systèmes Toulouse

Abstract : This paper presents a flexible analysis method for Worst-Case Execution Time WCET using UML-MARTE Model Checker, aiming at detecting wrong software designs and refine correct ones with respect to WCET. This method uses UML-MARTE as the modelling language and Time Transition System TTS as the verification language. The software is modelled by UML Activity and Composite Structure diagrams using MARTE profile, and the hardware is modelled by the Resource and Scheduler packages in MARTE. This method allows to gradually refine the software in different phases of development process, and to alter the modelling granularity to balance the accuracy and the computability of WCET, making it flexible.

Keywords : MARTE UML Real-time embedded system Worst-case execution time Model-driven engineering Formal analysis Time Transition System





Author: Ning Ge - Marc Pantel - Bernard Berthomieu -

Source: https://hal.archives-ouvertes.fr/



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