A Semantic Basis for Local Reasoning

  • Authors:
  • Hongseok Yang;Peter W. O'Hearn

  • Affiliations:
  • -;-

  • Venue:
  • FoSSaCS '02 Proceedings of the 5th International Conference on Foundations of Software Science and Computation Structures
  • Year:
  • 2002

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Abstract

We present a semantic analysis of a recently proposed formalism for local reasoning, where a specification (and hence proof) can concentrate on only those cells that a program accesses. Our main results are the soundness and, in a sense, completeness of a rule that allows frame axioms, which describe invariant properties of portions of heap memory, to be inferred automatically; thus, these axioms can be avoided when writing specifications.