Predator: a practical tool for checking manipulation of dynamic data structures using separation logic

  • Authors:
  • Kamil Dudka;Petr Peringer;Tomáš Vojnar

  • Affiliations:
  • FIT, Brno University of Technology, Czech Republic;FIT, Brno University of Technology, Czech Republic;FIT, Brno University of Technology, Czech Republic

  • Venue:
  • CAV'11 Proceedings of the 23rd international conference on Computer aided verification
  • Year:
  • 2011

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Abstract

Predator is a new open source tool for verification of sequential C programs with dynamic linked data structures. The tool is based on separation logic with inductive predicates although it uses a graph description of heaps. Predator currently handles various forms of lists, including singly-linked as well as doubly-linked lists that may be circular, hierarchically nested and that may have various additional pointer links. Predator is implemented as a gcc plug-in and it is capable of handling lists in the form they appear in real system code, especially the Linux kernel, including a limited support of pointer arithmetic. Collaboration on further development of Predator is welcome.