WORST_CASE(?,O(n^1)) * Step 1: NaturalMI WORST_CASE(?,O(n^1)) + Considered Problem: - Strict TRS: a__add(X1,X2) -> add(X1,X2) a__add(0(),X) -> mark(X) a__add(s(X),Y) -> s(add(X,Y)) a__and(X1,X2) -> and(X1,X2) a__and(false(),Y) -> false() a__and(true(),X) -> mark(X) a__first(X1,X2) -> first(X1,X2) a__first(0(),X) -> nil() a__first(s(X),cons(Y,Z)) -> cons(Y,first(X,Z)) a__from(X) -> cons(X,from(s(X))) a__from(X) -> from(X) a__if(X1,X2,X3) -> if(X1,X2,X3) a__if(false(),X,Y) -> mark(Y) a__if(true(),X,Y) -> mark(X) mark(0()) -> 0() mark(add(X1,X2)) -> a__add(mark(X1),X2) mark(and(X1,X2)) -> a__and(mark(X1),X2) mark(cons(X1,X2)) -> cons(X1,X2) mark(false()) -> false() mark(first(X1,X2)) -> a__first(mark(X1),mark(X2)) mark(from(X)) -> a__from(X) mark(if(X1,X2,X3)) -> a__if(mark(X1),X2,X3) mark(nil()) -> nil() mark(s(X)) -> s(X) mark(true()) -> true() - Signature: {a__add/2,a__and/2,a__first/2,a__from/1,a__if/3,mark/1} / {0/0,add/2,and/2,cons/2,false/0,first/2,from/1 ,if/3,nil/0,s/1,true/0} - Obligation: innermost runtime complexity wrt. defined symbols {a__add,a__and,a__first,a__from,a__if ,mark} and constructors {0,add,and,cons,false,first,from,if,nil,s,true} + Applied Processor: NaturalMI {miDimension = 1, miDegree = 1, miKind = Algebraic, uargs = UArgs, urules = URules, selector = Nothing} + Details: We apply a matrix interpretation of kind constructor based matrix interpretation: The following argument positions are considered usable: uargs(a__add) = {1}, uargs(a__and) = {1}, uargs(a__first) = {1,2}, uargs(a__if) = {1} Following symbols are considered usable: {a__add,a__and,a__first,a__from,a__if,mark} TcT has computed the following interpretation: p(0) = [2] p(a__add) = [1] x1 + [8] x2 + [9] p(a__and) = [1] x1 + [8] x2 + [10] p(a__first) = [1] x1 + [1] x2 + [3] p(a__from) = [6] p(a__if) = [1] x1 + [8] x2 + [8] x3 + [9] p(add) = [1] x1 + [1] x2 + [3] p(and) = [1] x1 + [1] x2 + [2] p(cons) = [2] p(false) = [2] p(first) = [1] x1 + [1] x2 + [2] p(from) = [2] p(if) = [1] x1 + [1] x2 + [1] x3 + [2] p(mark) = [8] x1 + [0] p(nil) = [1] p(s) = [1] x1 + [2] p(true) = [2] Following rules are strictly oriented: a__add(X1,X2) = [1] X1 + [8] X2 + [9] > [1] X1 + [1] X2 + [3] = add(X1,X2) a__add(0(),X) = [8] X + [11] > [8] X + [0] = mark(X) a__add(s(X),Y) = [1] X + [8] Y + [11] > [1] X + [1] Y + [5] = s(add(X,Y)) a__and(X1,X2) = [1] X1 + [8] X2 + [10] > [1] X1 + [1] X2 + [2] = and(X1,X2) a__and(false(),Y) = [8] Y + [12] > [2] = false() a__and(true(),X) = [8] X + [12] > [8] X + [0] = mark(X) a__first(X1,X2) = [1] X1 + [1] X2 + [3] > [1] X1 + [1] X2 + [2] = first(X1,X2) a__first(0(),X) = [1] X + [5] > [1] = nil() a__first(s(X),cons(Y,Z)) = [1] X + [7] > [2] = cons(Y,first(X,Z)) a__from(X) = [6] > [2] = cons(X,from(s(X))) a__from(X) = [6] > [2] = from(X) a__if(X1,X2,X3) = [1] X1 + [8] X2 + [8] X3 + [9] > [1] X1 + [1] X2 + [1] X3 + [2] = if(X1,X2,X3) a__if(false(),X,Y) = [8] X + [8] Y + [11] > [8] Y + [0] = mark(Y) a__if(true(),X,Y) = [8] X + [8] Y + [11] > [8] X + [0] = mark(X) mark(0()) = [16] > [2] = 0() mark(add(X1,X2)) = [8] X1 + [8] X2 + [24] > [8] X1 + [8] X2 + [9] = a__add(mark(X1),X2) mark(and(X1,X2)) = [8] X1 + [8] X2 + [16] > [8] X1 + [8] X2 + [10] = a__and(mark(X1),X2) mark(cons(X1,X2)) = [16] > [2] = cons(X1,X2) mark(false()) = [16] > [2] = false() mark(first(X1,X2)) = [8] X1 + [8] X2 + [16] > [8] X1 + [8] X2 + [3] = a__first(mark(X1),mark(X2)) mark(from(X)) = [16] > [6] = a__from(X) mark(if(X1,X2,X3)) = [8] X1 + [8] X2 + [8] X3 + [16] > [8] X1 + [8] X2 + [8] X3 + [9] = a__if(mark(X1),X2,X3) mark(nil()) = [8] > [1] = nil() mark(s(X)) = [8] X + [16] > [1] X + [2] = s(X) mark(true()) = [16] > [2] = true() Following rules are (at-least) weakly oriented: WORST_CASE(?,O(n^1))