WORST_CASE(?,O(n^1)) * Step 1: Ara WORST_CASE(?,O(n^1)) + Considered Problem: - Strict TRS: -(x,0()) -> x -(s(x),s(y)) -> -(x,y) double(0()) -> 0() double(s(x)) -> s(s(double(x))) half(0()) -> 0() half(double(x)) -> x half(s(0())) -> 0() half(s(s(x))) -> s(half(x)) if(0(),y,z) -> y if(s(x),y,z) -> z - Signature: {-/2,double/1,half/1,if/3} / {0/0,s/1} - Obligation: innermost runtime complexity wrt. defined symbols {-,double,half,if} and constructors {0,s} + Applied Processor: Ara {heuristics_ = NoHeuristics, minDegree = 1, maxDegree = 3, araTimeout = 60, araFindStrictRules = Nothing, araSmtSolver = MiniSMT} + Details: Signatures used: ---------------- - :: [A(8) x A(0)] -(8)-> A(0) 0 :: [] -(0)-> A(0) 0 :: [] -(0)-> A(12) 0 :: [] -(0)-> A(1) 0 :: [] -(0)-> A(7) 0 :: [] -(0)-> A(2) 0 :: [] -(0)-> A(10) double :: [A(12)] -(4)-> A(1) half :: [A(1)] -(4)-> A(0) if :: [A(7) x A(0) x A(0)] -(8)-> A(0) s :: [A(8)] -(8)-> A(8) s :: [A(0)] -(0)-> A(0) s :: [A(12)] -(12)-> A(12) s :: [A(1)] -(1)-> A(1) s :: [A(7)] -(7)-> A(7) Cost-free Signatures used: -------------------------- - :: [A_cf(0) x A_cf(0)] -(0)-> A_cf(0) 0 :: [] -(0)-> A_cf(0) double :: [A_cf(0)] -(0)-> A_cf(0) half :: [A_cf(0)] -(0)-> A_cf(0) s :: [A_cf(0)] -(0)-> A_cf(0) Base Constructor Signatures used: --------------------------------- 0_A :: [] -(0)-> A(1) s_A :: [A(1)] -(1)-> A(1) * Step 2: Open MAYBE - Strict TRS: -(x,0()) -> x -(s(x),s(y)) -> -(x,y) double(0()) -> 0() double(s(x)) -> s(s(double(x))) half(0()) -> 0() half(double(x)) -> x half(s(0())) -> 0() half(s(s(x))) -> s(half(x)) if(0(),y,z) -> y if(s(x),y,z) -> z - Signature: {-/2,double/1,half/1,if/3} / {0/0,s/1} - Obligation: innermost runtime complexity wrt. defined symbols {-,double,half,if} and constructors {0,s} Following problems could not be solved: - Strict TRS: -(x,0()) -> x -(s(x),s(y)) -> -(x,y) double(0()) -> 0() double(s(x)) -> s(s(double(x))) half(0()) -> 0() half(double(x)) -> x half(s(0())) -> 0() half(s(s(x))) -> s(half(x)) if(0(),y,z) -> y if(s(x),y,z) -> z - Signature: {-/2,double/1,half/1,if/3} / {0/0,s/1} - Obligation: innermost runtime complexity wrt. defined symbols {-,double,half,if} and constructors {0,s} WORST_CASE(?,O(n^1))