MAYBE * Step 1: WeightGap MAYBE + Considered Problem: - Strict TRS: if(false(),x,y) -> nil() if(true(),x,y) -> cons(x,int(s(x),y)) int(x,y) -> if(le(x,y),x,y) le(0(),y) -> true() le(s(x),0()) -> false() le(s(x),s(y)) -> le(x,y) - Signature: {if/3,int/2,le/2} / {0/0,cons/2,false/0,nil/0,s/1,true/0} - Obligation: innermost runtime complexity wrt. defined symbols {if,int,le} and constructors {0,cons,false,nil,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(cons) = {2}, uargs(if) = {1} Following symbols are considered usable: all TcT has computed the following interpretation: p(0) = [0] p(cons) = [1] x1 + [1] x2 + [0] p(false) = [0] p(if) = [1] x1 + [2] x2 + [0] p(int) = [8] x1 + [0] p(le) = [0] p(nil) = [0] p(s) = [0] p(true) = [1] Following rules are strictly oriented: if(true(),x,y) = [2] x + [1] > [1] x + [0] = cons(x,int(s(x),y)) Following rules are (at-least) weakly oriented: if(false(),x,y) = [2] x + [0] >= [0] = nil() int(x,y) = [8] x + [0] >= [2] x + [0] = if(le(x,y),x,y) le(0(),y) = [0] >= [1] = true() le(s(x),0()) = [0] >= [0] = false() le(s(x),s(y)) = [0] >= [0] = le(x,y) Further, it can be verified that all rules not oriented are covered by the weightgap condition. * Step 2: WeightGap MAYBE + Considered Problem: - Strict TRS: if(false(),x,y) -> nil() int(x,y) -> if(le(x,y),x,y) le(0(),y) -> true() le(s(x),0()) -> false() le(s(x),s(y)) -> le(x,y) - Weak TRS: if(true(),x,y) -> cons(x,int(s(x),y)) - Signature: {if/3,int/2,le/2} / {0/0,cons/2,false/0,nil/0,s/1,true/0} - Obligation: innermost runtime complexity wrt. defined symbols {if,int,le} and constructors {0,cons,false,nil,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(cons) = {2}, uargs(if) = {1} Following symbols are considered usable: all TcT has computed the following interpretation: p(0) = [0] p(cons) = [1] x1 + [1] x2 + [0] p(false) = [1] p(if) = [1] x1 + [2] x2 + [0] p(int) = [8] x1 + [0] p(le) = [0] p(nil) = [0] p(s) = [0] p(true) = [0] Following rules are strictly oriented: if(false(),x,y) = [2] x + [1] > [0] = nil() Following rules are (at-least) weakly oriented: if(true(),x,y) = [2] x + [0] >= [1] x + [0] = cons(x,int(s(x),y)) int(x,y) = [8] x + [0] >= [2] x + [0] = if(le(x,y),x,y) le(0(),y) = [0] >= [0] = true() le(s(x),0()) = [0] >= [1] = false() le(s(x),s(y)) = [0] >= [0] = le(x,y) Further, it can be verified that all rules not oriented are covered by the weightgap condition. * Step 3: WeightGap MAYBE + Considered Problem: - Strict TRS: int(x,y) -> if(le(x,y),x,y) le(0(),y) -> true() le(s(x),0()) -> false() le(s(x),s(y)) -> le(x,y) - Weak TRS: if(false(),x,y) -> nil() if(true(),x,y) -> cons(x,int(s(x),y)) - Signature: {if/3,int/2,le/2} / {0/0,cons/2,false/0,nil/0,s/1,true/0} - Obligation: innermost runtime complexity wrt. defined symbols {if,int,le} and constructors {0,cons,false,nil,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(cons) = {2}, uargs(if) = {1} Following symbols are considered usable: all TcT has computed the following interpretation: p(0) = [0] p(cons) = [1] x1 + [1] x2 + [0] p(false) = [1] p(if) = [1] x1 + [8] x2 + [6] p(int) = [10] x1 + [12] p(le) = [2] p(nil) = [0] p(s) = [0] p(true) = [6] Following rules are strictly oriented: int(x,y) = [10] x + [12] > [8] x + [8] = if(le(x,y),x,y) le(s(x),0()) = [2] > [1] = false() Following rules are (at-least) weakly oriented: if(false(),x,y) = [8] x + [7] >= [0] = nil() if(true(),x,y) = [8] x + [12] >= [1] x + [12] = cons(x,int(s(x),y)) le(0(),y) = [2] >= [6] = true() le(s(x),s(y)) = [2] >= [2] = le(x,y) Further, it can be verified that all rules not oriented are covered by the weightgap condition. * Step 4: Failure MAYBE + Considered Problem: - Strict TRS: le(0(),y) -> true() le(s(x),s(y)) -> le(x,y) - Weak TRS: if(false(),x,y) -> nil() if(true(),x,y) -> cons(x,int(s(x),y)) int(x,y) -> if(le(x,y),x,y) le(s(x),0()) -> false() - Signature: {if/3,int/2,le/2} / {0/0,cons/2,false/0,nil/0,s/1,true/0} - Obligation: innermost runtime complexity wrt. defined symbols {if,int,le} and constructors {0,cons,false,nil,s,true} + Applied Processor: EmptyProcessor + Details: The problem is still open. MAYBE