Tracking heaps that hop with heap-hop

  • Authors:
  • Jules Villard;Étienne Lozes;Cristiano Calcagno

  • Affiliations:
  • LSV, ENS Cachan, CNRS;LSV, ENS Cachan, CNRS;Monoidics Ltd

  • Venue:
  • TACAS'10 Proceedings of the 16th international conference on Tools and Algorithms for the Construction and Analysis of Systems
  • Year:
  • 2010

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Abstract

Heap-Hop is a program prover for concurrent heap-manipulating programs that use Hoare monitors and message-passing synchronization. Programs are annotated with pre and post-conditions and loop invariants, written in a fragment of separation logic. Communications are governed by a form of session types called contracts. Heap-Hop can prove safety and race-freedom and, thanks to contracts, absence of memory leaks and deadlock-freedom. It has been used in several case studies, including concurrent programs for copyless list transfer, service provider protocols, and load-balancing parallel tree disposal.