Reasoning about Memory Layouts

  • Authors:
  • Holger Gast

  • Affiliations:
  • Wilhelm-Schickard-Institut für Informatik, University of Tübingen,

  • Venue:
  • FM '09 Proceedings of the 2nd World Congress on Formal Methods
  • Year:
  • 2009

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Abstract

Verification methods for memory-manipulating C programs need to address not only well-typed programs that respect invariants such as the split heap memory model, but also programs that access through pointers arbitrary memory objects such as local variables, single struct fields, or arrays slices. We present a logic for memory layouts that covers these applications and show how proof obligations arising during the verification can be discharged automatically using the layouts.