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Solution Space Elaboration

Concept

**Solution space elaboration** is a constraint-solving behavior in which a solver constructs the full set of legal solutions for a `randomize` call before choosing one solution. In the cited VCS/SystemVerilog constraint-random context, this behavior is specifically associated with the **BDD solver**, which “elaborates the entire solution space of the randomize call before selecting a solution.” [9dce017b-1bb8-4e8e-8b45-0d14653a98c1]

First seen 5/24/2026
Last seen 5/31/2026
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WIKI

Solution Space Elaboration

Solution space elaboration is a constraint-solving behavior in which a solver constructs the full set of legal solutions for a randomize call before choosing one solution. In the cited VCS/SystemVerilog constraint-random context, this behavior is specifically associated with the BDD solver, which “elaborates the entire solution space of the randomize call before selecting a solution.” [1]

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RELATIONSHIPS

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BDD Solver ← uses 95% 2e
The BDD solver uses solution space elaboration to enumerate all possible solutions before selecting one.