Pretty-big-step-semantics-based Certified Abstract Interpretation
Résumé
We present a technique for deriving semantic program analyses from a natural semantics specification of the programming language. The technique is based on the pretty-big-step semantics approach applied to a language with simple objects called O'While. We specify a series of instrumentations of the semantics that makes explicit the flows of values in a program. This leads to a semantics-based dependency analysis, at the core, e.g., of tainting analysis in software security. The formalization is currently being done with the Coq proof assistant.
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