RustBelt is built on top of Iris, a language-agnostic framework, implemented in the Coq proof assistant, for building higher-order concurrent separation logics. This dissertation begins by giving an introduction to Iris, and explaining how Iris enables the derivation of complex high-level reasoning principles from a few simple ingredients. In RustBelt, this technique is exploited crucially to introduce the lifetime logic, which provides a novel separation-logic account of borrowing, a key distinguishing feature of the Rust type system.
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This thesis has received an Honorable Mention for the ACM Doctoral Dissertation Award, the ACM SIGPLAN John C. Reynolds Doctoral Dissertation Award (as one of two recipients), an Otto Hahn Medal,