Verification flow optimization using an automatic coverage driven testing policy

SystemC language as well as the verification library going with (SCV), provides a rich set of features for dynamic control and parameterization of the constraints applied to a constrained-random stimulus generator. Besides, the property specification language (PSL) offers facilities for gathering and inspecting functional coverage information. This paper examines how SCV stimulus constraints can be modified dynamically using functional PSL coverage data, with the aim of avoiding the redundancy of stimulus within the regression test suite. In so doing we allow reducing simulation runtime needed to meet planned functional coverage