ceta_eq: termination proof not accepted 1: error below switch to dependency pairs 1.1: error when applying the reduction pair processor with usable rules to remove from the DP problem pairs: p#(m, n, s(r)) -> p#(m, r, n) p#(m, s(n), 0) -> p#(0, n, m) rules: p(m, n, s(r)) -> p(m, r, n) p(m, s(n), 0) -> p(0, n, m) p(m, 0, 0) -> m the pairs p#(m, n, s(r)) -> p#(m, r, n) p#(m, s(n), 0) -> p#(0, n, m) could not apply the generic root reduction pair processor with the following SCNP-version with mu = MS and the level mapping defined by pi(p#) = [(epsilon,0),(1,0),(2,1)] Argument Filter: pi(p#/3) = 3 pi(s/1) = [1] pi(0/0) = [] RPO with the following precedence precedence(s[1]) = 0 precedence(0[0]) = 1 precedence(_) = 0 and the following status status(s[1]) = lex status(0[0]) = lex status(_) = lex problem when orienting DPs cannot orient pair p#(m, s(n), 0) -> p#(0, n, m) strictly: [(p#(m, s(n), 0),0),(m,0),(s(n),1)] >mu [(p#(0, n, m),0),(0,0),(n,1)] could not be ensured