A Saturation Method for Collapsible Pushdown Systems

  • Chris Broadbent
  • Arnaud Carayol
  • Matthew Hague
  • Olivier Serre
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7392)

Abstract

We introduce a natural extension of collapsible pushdown systems called annotated pushdown systems that replaces collapse links with stack annotations. We believe this new model has many advantages. We present a saturation method for global backwards reachability analysis of these models that can also be used to analyse collapsible pushdown systems. Beginning with an automaton representing a set of configurations, we build an automaton accepting all configurations that can reach this set. We also improve upon previous saturation techniques for higher-order pushdown systems by significantly reducing the size of the automaton constructed and simplifying the algorithm and proofs.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Chris Broadbent
    • 1
  • Arnaud Carayol
    • 2
  • Matthew Hague
    • 1
    • 2
  • Olivier Serre
    • 1
  1. 1.LIAFAUniversité Paris Diderot – Paris 7 & CNRSFrance
  2. 2.LIGMUniversité Paris-Est & CNRSFrance

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