Weighted pushdown systems and their application to interprocedural dataflow analysis

  • Authors:
  • Thomas Reps;Stefan Schwoon;Somesh Jha

  • Affiliations:
  • Comp. Sci. Dept., University of Wisconsin;Fakultät Inf., Universität Stuttgart;Comp. Sci. Dept., University of Wisconsin

  • Venue:
  • SAS'03 Proceedings of the 10th international conference on Static analysis
  • Year:
  • 2003

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Abstract

Recently, pushdown systems (PDSs) have been extended to weighted PDSs, in which each transition is labeled with a value, and the goal is to determine the meet-over-all-paths value (for paths that meet a certain criterion). This paper shows how weighted PDSs yield new algorithms for certain classes of interprocedural dataflow-analysis problems.