Program Model Checking Using Design-for-Verification: NASA Flight Software Case Study

L. Markosian, M. Mansouri-Samani, P. Mehlitz, T. Pressburger
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引用次数: 6

Abstract

Model checking is a verification technique developed in the 1980s that has a history of industrial application in hardware verification and verification of communications protocol specifications. Program model checking is a technique for model checking software in which the program itself is the model to be checked. Program model checking has shown potential for detecting software defects that are extremely difficult to detect through traditional testing. The technique has been the subject of research and relatively small-scale applications but faces several barriers to wider deployment. This paper is a report on continuing work applying Java PathFinder (JPF), a program model checker developed at NASA Ames Research Center, to the shuttle abort flight management system, a situational awareness application originally developed for the space shuttle. The paper provides background on the model checking tools that were used and the target application, and then focuses on the application of a "design for verification" (D4V) principle and its effect on model checking. The case study helps validate the applicability of program model checking technology to real NASA flight software. A related conclusion is that application of D4V principles can increase the efficiency of model checking in detecting subtle software defects. The paper is oriented toward software engineering technology transfer personnel and software practitioners considering introducing program model checking technology into their organizations.
使用设计验证的程序模型检查:NASA飞行软件案例研究
模型检验是20世纪80年代发展起来的一种验证技术,在硬件验证和通信协议规范验证方面有着工业应用的历史。程序模型检查是一种对软件进行模型检查的技术,其中程序本身就是要检查的模型。程序模型检查已经显示出检测软件缺陷的潜力,这些缺陷是通过传统测试很难检测到的。这项技术一直是研究和相对小规模应用的主题,但在更广泛的部署方面面临着几个障碍。本文是关于将NASA艾姆斯研究中心开发的程序模型检查器Java PathFinder (JPF)应用于航天飞机中止飞行管理系统(一种最初为航天飞机开发的态势感知应用程序)的持续工作的报告。本文介绍了所使用的模型检查工具和目标应用的背景,然后重点介绍了“验证设计”(D4V)原则的应用及其在模型检查中的作用。通过实例研究,验证了程序模型校验技术在实际NASA飞行软件中的适用性。一个相关的结论是,D4V原理的应用可以提高模型检查在发现细微软件缺陷时的效率。本文的研究对象是考虑将程序模型检查技术引入其组织的软件工程技术转移人员和软件从业者。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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