Covering Arrays Avoiding Forbidden Edges

  • Authors:
  • Peter Danziger;Eric Mendelsohn;Lucia Moura;Brett Stevens

  • Affiliations:
  • Ryerson University,;University of Toronto,;University of Ottawa,;Carleton University,

  • Venue:
  • COCOA 2008 Proceedings of the 2nd international conference on Combinatorial Optimization and Applications
  • Year:
  • 2008

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Abstract

Covering arrays (CAs) can be used to detect the existence of faulty pairwise interactions between parameters or components in a software system. The generalization considered here applies to the situation in which some input combinations are invalid. In this paper, we study covering arrays avoiding forbidden edges (CAFEs), where certain pairwise interactions are forbidden while all others must be covered. We study the complexity of the problem and give an algorithm for the case of binary alphabets.