Mixed optimization combinatorial method for constructing covering arrays

  • Authors:
  • A. A. Petukhov

  • Affiliations:
  • Institute for Systems Programming, Russian Academy of Sciences, Moscow, Russia 109004

  • Venue:
  • Programming and Computing Software
  • Year:
  • 2014

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Abstract

Covering arrays are used for generating tests for interfaces with a large number of parameters. In this paper, a new method is described for constructing homogeneous and heterogeneous covering arrays that is based on a combination of combinatorial and optimization methods. In a wide class of particular cases, the method speeds up the construction of arrays several times (depending on a particular case) compared with well-known, widely used optimization methods. In most cases, the sizes of the arrays obtained are approximately the same as those of the arrays constructed by other optimization methods; in a number of particular cases, one could obtain arrays that are smaller by 5---15%. The application range of the new method is analyzed.