WORST_CASE(?,O(n^1)) * Step 1: NaturalMI WORST_CASE(?,O(n^1)) + Considered Problem: - Strict TRS: f(a(),a()) -> f(a(),b()) f(a(),b()) -> f(s(a()),c()) f(c(),c()) -> f(a(),a()) f(s(X),c()) -> f(X,c()) - Signature: {f/2} / {a/0,b/0,c/0,s/1} - Obligation: innermost runtime complexity wrt. defined symbols {f} and constructors {a,b,c,s} + Applied Processor: NaturalMI {miDimension = 2, miDegree = 1, miKind = Algebraic, uargs = UArgs, urules = URules, selector = Nothing} + Details: We apply a matrix interpretation of kind constructor based matrix interpretation (containing no more than 1 non-zero interpretation-entries in the diagonal of the component-wise maxima): The following argument positions are considered usable: none Following symbols are considered usable: {f} TcT has computed the following interpretation: p(a) = [0] [8] p(b) = [0] [2] p(c) = [10] [0] p(f) = [1 0] x1 + [0 1] x2 + [2] [0 0] [0 0] [2] p(s) = [1 0] x1 + [1] [0 0] [0] Following rules are strictly oriented: f(a(),a()) = [10] [2] > [4] [2] = f(a(),b()) f(a(),b()) = [4] [2] > [3] [2] = f(s(a()),c()) f(c(),c()) = [12] [2] > [10] [2] = f(a(),a()) f(s(X),c()) = [1 0] X + [3] [0 0] [2] > [1 0] X + [2] [0 0] [2] = f(X,c()) Following rules are (at-least) weakly oriented: WORST_CASE(?,O(n^1))