Instantiation-Based Invariant Discovery

  • Temesghen Kahsai
  • Yeting Ge
  • Cesare Tinelli
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6617)

Abstract

We present a general scheme for automated instantiation-based invariant discovery. Given a transition system, the scheme produces k-inductive invariants from templates representing decidable predicates over the system’s data types. The proposed scheme relies on efficient reasoning engines such as SAT and SMT solvers, and capitalizes on their ability to quickly generate counter-models of non-invariant conjectures. We discuss in detail two practical specializations of the general scheme in which templates represent partial orders. Our experimental results show that both specializations are able to quickly produce invariants from a variety of synchronous systems which prove quite useful in proving safety properties for these systems.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Temesghen Kahsai
    • 1
  • Yeting Ge
    • 1
  • Cesare Tinelli
    • 1
  1. 1.The University of IowaUSA

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