一种用于构建正式验证软件的工业强度方法

P. Lindsay, D. Hemer
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引用次数: 7

摘要

CARE方法是一种构造和形式化验证程序的新方法。CARE的开发是为了响应工业对正式软件开发方法的需求,该方法不要求用户成为正式证明方面的专家。软件工程师使用CARE从正式的程序规范中开发可编译的代码,使用预先证明的、正式指定的细化库。工具帮助用户通过选择和实例化改进来适应手头的问题,并生成和履行适合正确性证明义务来构建产品。本文介绍了用于算法规范和开发的CARE集成符号,并说明了如何检查正确性。用一个小开发实例说明了这种方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An industrial-strength method for the construction of formally verified software
The CARE method is a new approach to constructing and formally verifying programs. CARE has been developed in response to identified industrial needs for a formal software development method which does not require the user to be an expert in formal proof. Software engineers use CARE to develop compilable code from formal program specifications using a library of pre-proven, formally specified refinements. Tools help users build products by selecting and instantiating refinements to fit the problem at hand, and generating and discharging correctness-of-fit proof obligations. The paper introduces CARE's integrated notation for algorithm specification and development, and explains how correctness is checked. The method is illustrated on a small development.
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