WORST_CASE(?,O(n^1)) Solution: --------- 0 :: [] -(0)-> A(0) <= :: [A(0) x A(0)] -(0)-> A(12) Cons :: [A(0) x A(14)] -(14)-> A(14) Cons :: [A(0) x A(12)] -(12)-> A(12) Cons :: [A(0) x A(1)] -(1)-> A(1) False :: [] -(0)-> A(10) False :: [] -(0)-> A(14) Nil :: [] -(0)-> A(14) S :: [A(0)] -(0)-> A(0) True :: [] -(0)-> A(10) True :: [] -(0)-> A(14) goal :: [A(14) x A(14)] -(14)-> A(0) merge :: [A(14) x A(14)] -(11)-> A(1) merge[Ite] :: [A(10) x A(14) x A(14)] -(8)-> A(1) Cost Free Signatures: --------------------- 0 :: [] -(0)-> A_cf(0) <= :: [A_cf(0) x A_cf(0)] -(0)-> A_cf(0) Cons :: [A_cf(0) x A_cf(0)] -(0)-> A_cf(0) False :: [] -(0)-> A_cf(0) Nil :: [] -(0)-> A_cf(0) S :: [A_cf(0)] -(0)-> A_cf(0) True :: [] -(0)-> A_cf(0) merge :: [A_cf(0) x A_cf(0)] -(0)-> A_cf(0) merge[Ite] :: [A_cf(0) x A_cf(0) x A_cf(0)] -(0)-> A_cf(0) Base Constructors: ------------------ 0_A :: [] -(0)-> A(1) Cons_A :: [A(0) x A(1)] -(1)-> A(1) False_A :: [] -(0)-> A(1) Nil_A :: [] -(0)-> A(1) S_A :: [A(1)] -(1)-> A(1) True_A :: [] -(0)-> A(1)