通过实时验证增强Event-B建模

A. Iliasov, A. Romanovsky, L. Laibinis, E. Troubitsyna, T. Latvala
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引用次数: 33

摘要

大量可靠的嵌入式系统对其实时性有严格的要求。对其实时行为的分析通常在实现级别进行。然而,在开发周期的早期,即建模阶段,获得实时属性的评估是可取的。在本文中,我们提出了一种方法来增强事件- b建模与验证实时属性在Uppaal。我们将展示如何从Event-B模型中提取基于流程的视图,该视图与引入的时间约束一起使我们能够获得时间自动机模型—Uppaal的输入模型。我们通过贝皮科伦坡任务数据处理软件的开发和验证来说明这种方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Augmenting Event-B modelling with real-time verification
A large number of dependable embedded systems have stringent real-time requirements imposed on them. Analysis of their real-time behaviour is usually conducted at the implementation level. However, it is desirable to obtain an evaluation of real-time properties early at the development cycle, i.e., at the modelling stage. In this paper we present an approach to augmenting Event-B modelling with verification of real-time properties in Uppaal. We show how to extract a process-based view from an Event-B model that together with introducing time constraints allows us to obtain a timed automata model - an input model of Uppaal. We illustrate the approach by development and verification of the data processing software of the BepiColombo Mission.
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