YES This TRS is terminating using the deltasimple interpretation 0(delta5) = + 0 + 0*delta5 nil(delta4) = + 0 + 0*delta4 s(delta3, X4) = + 1*X4 + 0 + 0*X4*delta3 + 0*delta3 first(delta2, X3, X2) = + 1*X2 + 1*X3 + 0 + 0*X2*delta2 + 0*X3*delta2 + 1*delta2 from(delta1, X1) = + 1*X1 + 0 + 0*X1*delta1 + 1*delta1 cons(delta0, X0) = + 1*X0 + 0 + 0*X0*delta0 + 0*delta0 s_tau_1(delta3) = + (delta3/(1 + 0 * delta3)) first_tau_1(delta2) = + (delta2/(1 + 0 * delta2)) first_tau_2(delta2) = + (delta2/(1 + 0 * delta2)) from_tau_1(delta1) = + (delta1/(1 + 0 * delta1)) cons_tau_1(delta0) = + (delta0/(1 + 0 * delta0)) SUCCESS Statistics: Number of monomials: 102