MAYBE * Step 1: WeightGap MAYBE + Considered Problem: - Strict TRS: f(true(),x,y) -> f(gt(x,y),s(x),s(s(y))) gt(0(),v) -> false() gt(s(u),0()) -> true() gt(s(u),s(v)) -> gt(u,v) - Signature: {f/3,gt/2} / {0/0,false/0,s/1,true/0} - Obligation: innermost runtime complexity wrt. defined symbols {f,gt} and constructors {0,false,s,true} + Applied Processor: WeightGap {wgDimension = 1, wgDegree = 1, wgKind = Algebraic, wgUArgs = UArgs, wgOn = WgOnAny} + Details: The weightgap principle applies using the following nonconstant growth matrix-interpretation: We apply a matrix interpretation of kind constructor based matrix interpretation: The following argument positions are considered usable: uargs(f) = {1} Following symbols are considered usable: all TcT has computed the following interpretation: p(0) = [0] p(f) = [1] x1 + [2] x3 + [3] p(false) = [0] p(gt) = [1] p(s) = [8] p(true) = [1] Following rules are strictly oriented: gt(0(),v) = [1] > [0] = false() Following rules are (at-least) weakly oriented: f(true(),x,y) = [2] y + [4] >= [20] = f(gt(x,y),s(x),s(s(y))) gt(s(u),0()) = [1] >= [1] = true() gt(s(u),s(v)) = [1] >= [1] = gt(u,v) Further, it can be verified that all rules not oriented are covered by the weightgap condition. * Step 2: WeightGap MAYBE + Considered Problem: - Strict TRS: f(true(),x,y) -> f(gt(x,y),s(x),s(s(y))) gt(s(u),0()) -> true() gt(s(u),s(v)) -> gt(u,v) - Weak TRS: gt(0(),v) -> false() - Signature: {f/3,gt/2} / {0/0,false/0,s/1,true/0} - Obligation: innermost runtime complexity wrt. defined symbols {f,gt} and constructors {0,false,s,true} + Applied Processor: WeightGap {wgDimension = 1, wgDegree = 1, wgKind = Algebraic, wgUArgs = UArgs, wgOn = WgOnAny} + Details: The weightgap principle applies using the following nonconstant growth matrix-interpretation: We apply a matrix interpretation of kind constructor based matrix interpretation: The following argument positions are considered usable: uargs(f) = {1} Following symbols are considered usable: all TcT has computed the following interpretation: p(0) = [8] p(f) = [1] x1 + [1] x2 + [2] x3 + [0] p(false) = [1] p(gt) = [10] p(s) = [0] p(true) = [0] Following rules are strictly oriented: gt(s(u),0()) = [10] > [0] = true() Following rules are (at-least) weakly oriented: f(true(),x,y) = [1] x + [2] y + [0] >= [10] = f(gt(x,y),s(x),s(s(y))) gt(0(),v) = [10] >= [1] = false() gt(s(u),s(v)) = [10] >= [10] = gt(u,v) Further, it can be verified that all rules not oriented are covered by the weightgap condition. * Step 3: Failure MAYBE + Considered Problem: - Strict TRS: f(true(),x,y) -> f(gt(x,y),s(x),s(s(y))) gt(s(u),s(v)) -> gt(u,v) - Weak TRS: gt(0(),v) -> false() gt(s(u),0()) -> true() - Signature: {f/3,gt/2} / {0/0,false/0,s/1,true/0} - Obligation: innermost runtime complexity wrt. defined symbols {f,gt} and constructors {0,false,s,true} + Applied Processor: EmptyProcessor + Details: The problem is still open. MAYBE