A computer-implemented method, apparatus, and computer program product for assisting in dynamic verification of a System Under Test (SUT). The method comprising obtaining a set of functional attributes and associated domains with respect to a System Under Test (SUT), and obtaining a set of restrictions over the functional attributes and associated domains. The method comprising encoding a Binary Decision Diagram (BDD) to represent a Cartesian cross-product test-space of all possible combinations of values of the functional attributes excluding combinations that are restricted by the set of restrictions, whereby the BDD symbolically represents the Cartesian cross-product test-space. The method may further comprise analyzing the Cartesian cross-product test-space by manipulating the BDD so as to assist in performing dynamic verification of the SUT.
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