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 when applying the reduction pair processor with usable rules to remove from the DP problem pairs: g#(x, c(y)) -> g#(x, y) g#(x, c(y)) -> g#(s(x), y) rules: f(0) -> true f(1) -> false f(s(x)) -> f(x) g(x, c(y)) -> c(g(x, y)) g(x, c(y)) -> g(x, if(f(x), c(g(s(x), y)), c(y))) if(true, s(x), s(y)) -> s(x) if(false, s(x), s(y)) -> s(y) the pairs g#(x, c(y)) -> g#(x, y) g#(x, c(y)) -> g#(s(x), y) could not apply the generic root reduction pair processor with the following SCNP-version with mu = MS and the level mapping defined by pi(g#) = [(epsilon,0),(1,0),(2,0)] Argument Filter: pi(g#/2) = [] pi(c/1) = [1] pi(s/1) = 1 RPO with the following precedence precedence(c[1]) = 0 precedence(g#[2]) = 1 precedence(_) = 0 and the following status status(c[1]) = lex status(g#[2]) = lex status(_) = lex problem when orienting DPs cannot orient pair g#(x, c(y)) -> g#(x, y) strictly: [(g#(x, c(y)),0),(x,0),(c(y),0)] >mu [(g#(x, y),0),(x,0),(y,0)] could not be ensured