write_btor: only initialize array with const value when it is fully def #4645
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* If all addresses of an array have the same initial value, they can be initialized in one go in btor with the constraint that the initial value must be fully const and thus can't have undef bits in
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If all addresses of an array have the same initial value, they can be initialized in one go in btor with the constraint that the initial value must be fully const and thus can't have undef bits in. This constraint was not being checked before.