{"title":"ISLET: a program/proof editor to support the Vienna Development Method","authors":"R. B. Terwilliger","doi":"10.1109/HICSS.1989.48061","DOIUrl":null,"url":null,"abstract":"ENCOMPASS is an environment that addresses the software quality problem using a combination of executable specifications, peer review, testing, and formal techniques similar to the Vienna Development Method. One of the most important tools in ENCOMPASS is ISLET, a language-oriented program/proof editor that supports the construction of formal specifications and their incremental refinement into verified implementations. In ISLET, the refinement process can be viewed as the development of a program or as the construction of a proof of correctness. From the proof view, some refinements generate verification conditions that must be true for the step to be correct. ISLET incorporates a number of simple methods that can inexpensively certify a large percentage of the verification conditions generated. An overview of ENCOMPASS and ISLET is given, and an example of development using the editor is presented.<<ETX>>","PeriodicalId":325958,"journal":{"name":"[1989] Proceedings of the Twenty-Second Annual Hawaii International Conference on System Sciences. Volume II: Software Track","volume":"49 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1989-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"[1989] Proceedings of the Twenty-Second Annual Hawaii International Conference on System Sciences. Volume II: Software Track","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/HICSS.1989.48061","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 3
Abstract
ENCOMPASS is an environment that addresses the software quality problem using a combination of executable specifications, peer review, testing, and formal techniques similar to the Vienna Development Method. One of the most important tools in ENCOMPASS is ISLET, a language-oriented program/proof editor that supports the construction of formal specifications and their incremental refinement into verified implementations. In ISLET, the refinement process can be viewed as the development of a program or as the construction of a proof of correctness. From the proof view, some refinements generate verification conditions that must be true for the step to be correct. ISLET incorporates a number of simple methods that can inexpensively certify a large percentage of the verification conditions generated. An overview of ENCOMPASS and ISLET is given, and an example of development using the editor is presented.<>
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