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VI - Semantic model and soundness of Verifiable C

Published online by Cambridge University Press:  05 August 2014

Andrew W. Appel
With contributions by
Robert Dockins ,
Aquinas Hobor ,
Lennart Beringer ,
Josiah Dodds ,
Gordon Stewart ,
Sandrine Blazy  and
Xavier Leroy
Andrew W. Appel
Affiliation:
Princeton University, New Jersey
Robert Dockins
Affiliation:
Portland State University
Aquinas Hobor
Affiliation:
National University of Singapore
Lennart Beringer
Affiliation:
Princeton University, New Jersey
Josiah Dodds
Affiliation:
Princeton University, New Jersey
Gordon Stewart
Affiliation:
Princeton University, New Jersey
Sandrine Blazy
Affiliation:
Université de Rennes I, France
Xavier Leroy
Affiliation:
Institut National de Recherche en Informatique et en Automatique (INRIA), Rocquencourt
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Summary

Synopsis: To prove soundness of the Verifiable C separation logic, we first give a model of mpred as pred(rmap), that is, predicates on resource maps. We give a model for permission-shares using trees of booleans. We augment the C light operational semantics with juicy memories that keep track of resources as well as “dry” values. We give a semantic model of the Hoare judgment, using the continuation-passing notion of “guards.” We use this semantic model to prove all the Hoare rules. Our model and proofs have a modular structure, so that they can be ported to other programming languages (especially in the CompCert family).

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Program Logics for Certified Compilers , pp. 362
Publisher: Cambridge University Press
Print publication year: 2014

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