VST-Floyd: A Separation Logic Tool to Verify Correctness of C Programs
Author(s)Cao, Qinxiang; Beringer, Lennart; Gruetter, Samuel; Dodds, Josiah; Appel, Andrew W
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Abstract The Verified Software Toolchain builds foundational machine-checked proofs of the functional correctness of C programs. Its program logic, Verifiable C, is a shallowly embedded higher-order separation Hoare logic which is proved sound in Coq with respect to the operational semantics of CompCert Clight. This paper introduces VST-Floyd, a verification assistant which offers a set of semiautomatic tactics helping users build functional correctness proofs for C programs using Verifiable C.