Test set compaction is a fundamental problem in digital system testing. In recent years, many competitive solutions have been proposed, most of which based on heuristics approaches. This paper studies the application of set covering models to thecompaction of test sets, which can be used with any heuristic test set compaction procedure. For this purpose, recent and highly effective set covering algorithms are used. Experimental evidence suggests that the size of computed test sets can often bereduced by using set covering models and algorithms. Moreover, a noteworthy empirical conclusion is that it may be preferable not to use fault simulation when the final objective is test set compaction.
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