Abstract
Combinatorial interaction testing aims at revealing errors inside a system under test triggered by unintended interaction
         between values of its input parameters. In this context we defined a new greedy approach to generate a combinatorial interaction
         test suites in the presence of constraints, based on integration of an SMT solver, and ordered processing of test goals. Based
         on the observation that the processing order of required combinations determines the size of the final test suite, this approach
         has been then used as a framework to evaluate a set of deterministic ordering strategies, each based on a different heuristic
         optimization criteria. Their performance has been assessed and contrasted also with those of random and dummy ordering strategies.
         Results of experimental assessment are presented and compared with well-known combinatorial tools.
      
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