Incorporating Animation in Stepwise Development of Formal Specification
Identifieur interne : 003C67 ( Main/Exploration ); précédent : 003C66; suivant : 003C68Incorporating Animation in Stepwise Development of Formal Specification
Auteurs : Atif Mashkoor [France] ; Jean-Pierre Jacquot [France]Source :
English descriptors
- mix :
Abstract
This paper explores the possibility to incorporate validation of formal specifications into their step-wise development process. The key idea in formal methods to assess that an implementation is correct is to break the verification into smaller proofs associated with each refinement step. Likewise, the technique of animation could be used with each refinement step to break its validation into smaller assessments. Animating an abstract specification often requires to alter it in ways that proof obligations cannot be discharged anymore. So, we have developed a process and a set of transformation rules whose application produce an animatable specification which may be non-provable, but which is guaranteed to have the same behavior. 10 rules have been identified; they are presented and discussed with a special emphasis on their validity. We relate how step-wise animation is used in two case studies and what we gain from this.
Url:
Affiliations:
- France
- Grand Est, Lorraine (région)
- Nancy
- Institut national polytechnique de Lorraine, Université Nancy 2, Université de Lorraine
Links toward previous steps (curation, corpus...)
- to stream Hal, to step Corpus: 002A52
- to stream Hal, to step Curation: 002A52
- to stream Hal, to step Checkpoint: 002F37
- to stream Main, to step Merge: 003D87
- to stream Main, to step Curation: 003C67
Le document en format XML
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<front><div type="abstract" xml:lang="en">This paper explores the possibility to incorporate validation of formal specifications into their step-wise development process. The key idea in formal methods to assess that an implementation is correct is to break the verification into smaller proofs associated with each refinement step. Likewise, the technique of animation could be used with each refinement step to break its validation into smaller assessments. Animating an abstract specification often requires to alter it in ways that proof obligations cannot be discharged anymore. So, we have developed a process and a set of transformation rules whose application produce an animatable specification which may be non-provable, but which is guaranteed to have the same behavior. 10 rules have been identified; they are presented and discussed with a special emphasis on their validity. We relate how step-wise animation is used in two case studies and what we gain from this.</div>
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