pub fn analyze_vacuity(expr: &SvaExpr) -> VacuityStatusExpand description
Analyze whether an SVA property evaluation can be nonvacuous.
Returns Nonvacuous if there exists at least one evaluation attempt
where the property is exercised (antecedent triggered, etc.).
Returns Vacuous if the property can NEVER be exercised.
Returns Unknown for runtime-dependent cases.
IEEE 16.14.8 rules a-ag.