Papers › Hybrid Systems Verification with Isabelle/HOL: Simpler Syntax, Better Models, Faster Proofs

Hybrid Systems Verification with Isabelle/HOL: Simpler Syntax, Better Models, Faster Proofs

10 Jun 2021arXiv:2106.05987links table onlyarchive 2025-07-28

Simon Foster, Jonathan Julián Huerta y Munive, Mario Gleirscher, Georg Struth

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We extend a semantic verification framework for hybrid systems with the Isabelle/HOL proof assistant by an algebraic model for hybrid program stores, a shallow expression model for hybrid programs and their correctness specifications, and domain-specific deductive and calculational support. The new store model yields clean separations and dynamic local views of variables, e.g. discrete/continuous, mutable/immutable, program/logical, and enhanced ways of manipulating them using combinators, projections and framing. This leads to more local inference rules, procedures and tactics for reasoning with invariant sets, certifying solutions of hybrid specifications or calculating derivatives with increased proof automation and scalability. The new expression model provides more user-friendly syntax, better control of name spaces and interfaces connecting the framework with real-world modelling languages.

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