ceta_eq: termination proof not accepted 1: error below switch to dependency pairs 1.1: error below the dependency graph processor 1.1.1: error below the reduction pair processor 1.1.1.1: error when applying the reduction pair processor with usable rules to remove from the DP problem pairs: app#(app(mapt, f), app(node, xs)) -> app#(app(maptlist, f), xs) app#(app(maptlist, f), app(app(cons, x), xs)) -> app#(app(mapt, f), x) app#(app(maptlist, f), app(app(cons, x), xs)) -> app#(app(maptlist, f), xs) rules: app(app(mapt, f), app(leaf, x)) -> app(leaf, app(f, x)) app(app(mapt, f), app(node, xs)) -> app(node, app(app(maptlist, f), xs)) app(app(maptlist, f), nil) -> nil app(app(maptlist, f), app(app(cons, x), xs)) -> app(app(cons, app(app(mapt, f), x)), app(app(maptlist, f), xs)) the pairs app#(app(mapt, f), app(node, xs)) -> app#(app(maptlist, f), xs) app#(app(maptlist, f), app(app(cons, x), xs)) -> app#(app(mapt, f), x) app#(app(maptlist, f), app(app(cons, x), xs)) -> app#(app(maptlist, f), xs) could not apply the generic root reduction pair processor with the following SCNP-version with mu = MAX and the level mapping defined by pi(app#) = [(epsilon,0)] Argument Filter: pi(app#/2) = [1,2] pi(app/2) = [1,2] pi(mapt/0) = [] pi(node/0) = [] pi(maptlist/0) = [] pi(cons/0) = [] RPO with the following precedence precedence(app#[2]) = 1 precedence(app[2]) = 0 precedence(mapt[0]) = 1 precedence(node[0]) = 2 precedence(maptlist[0]) = 1 precedence(cons[0]) = 3 precedence(_) = 0 and the following status status(app#[2]) = mul status(app[2]) = mul status(mapt[0]) = mul status(node[0]) = mul status(maptlist[0]) = mul status(cons[0]) = mul status(_) = lex problem when orienting DPs cannot orient pair app#(app(mapt, f), app(node, xs)) -> app#(app(maptlist, f), xs) strictly: [(app#(app(mapt, f), app(node, xs)),0)] >mu [(app#(app(maptlist, f), xs),0)] could not be ensured