WORST_CASE(?,O(n^3)) * Step 1: Ara WORST_CASE(?,O(n^3)) + Considered Problem: - Strict TRS: fac(s(x)) -> *(fac(p(s(x))),s(x)) p(s(0())) -> 0() p(s(s(x))) -> s(p(s(x))) - Signature: {fac/1,p/1} / {*/2,0/0,s/1} - Obligation: innermost runtime complexity wrt. defined symbols {fac,p} and constructors {*,0,s} + Applied Processor: Ara {heuristics_ = NoHeuristics, minDegree = 1, maxDegree = 3, araTimeout = 60, araFindStrictRules = Nothing, araSmtSolver = MiniSMT} + Details: Signatures used: ---------------- * :: [A(0, 0, 0) x A(0, 0, 0)] -(0)-> A(0, 0, 0) 0 :: [] -(0)-> A(3, 4, 1) 0 :: [] -(0)-> A(2, 3, 1) fac :: [A(2, 3, 1)] -(0)-> A(0, 0, 0) p :: [A(1, 3, 1)] -(0)-> A(2, 3, 1) s :: [A(3, 4, 1)] -(2)-> A(2, 3, 1) s :: [A(3, 4, 1)] -(1)-> A(1, 3, 1) s :: [A(4, 5, 1)] -(3)-> A(3, 4, 1) s :: [A(0, 0, 0)] -(0)-> A(0, 0, 0) s :: [A(4, 5, 1)] -(1)-> A(1, 4, 1) Cost-free Signatures used: -------------------------- * :: [A_cf(0, 0, 0) x A_cf(0, 0, 0)] -(0)-> A_cf(0, 4, 7) 0 :: [] -(0)-> A_cf(0, 0, 0) 0 :: [] -(0)-> A_cf(0, 4, 4) 0 :: [] -(0)-> A_cf(1, 1, 0) fac :: [A_cf(0, 0, 0)] -(0)-> A_cf(0, 1, 0) p :: [A_cf(0, 0, 0)] -(0)-> A_cf(0, 0, 0) p :: [A_cf(0, 1, 0)] -(0)-> A_cf(1, 1, 0) s :: [A_cf(0, 0, 0)] -(0)-> A_cf(0, 0, 0) s :: [A_cf(1, 1, 0)] -(0)-> A_cf(0, 1, 0) s :: [A_cf(1, 1, 0)] -(1)-> A_cf(1, 1, 0) Base Constructor Signatures used: --------------------------------- *_A :: [A(0) x A(0)] -(0)-> A(0) 0_A :: [] -(0)-> A(1, 0, 0) 0_A :: [] -(0)-> A(0, 1, 0) 0_A :: [] -(0)-> A(0, 0, 1) s_A :: [A(0, 0, 0)] -(1)-> A(1, 0, 0) s_A :: [A(1, 1, 0)] -(0)-> A(0, 1, 0) s_A :: [A(0, 1, 1)] -(0)-> A(0, 0, 1) * Step 2: Open MAYBE - Strict TRS: fac(s(x)) -> *(fac(p(s(x))),s(x)) p(s(0())) -> 0() p(s(s(x))) -> s(p(s(x))) - Signature: {fac/1,p/1} / {*/2,0/0,s/1} - Obligation: innermost runtime complexity wrt. defined symbols {fac,p} and constructors {*,0,s} Following problems could not be solved: - Strict TRS: fac(s(x)) -> *(fac(p(s(x))),s(x)) p(s(0())) -> 0() p(s(s(x))) -> s(p(s(x))) - Signature: {fac/1,p/1} / {*/2,0/0,s/1} - Obligation: innermost runtime complexity wrt. defined symbols {fac,p} and constructors {*,0,s} WORST_CASE(?,O(n^3))