YES Prover = TRS(tech=GUIDED_UNF_TRIPLES, nb_unfoldings=unlimited, unfold_variables=false, max_nb_coefficients=12, max_nb_unfolded_rules=-1, strategy=LEFTMOST_NE) ** BEGIN proof argument ** All the DP problems were proved finite. As all the involved DP processors are sound, the TRS under analysis terminates. ** END proof argument ** ** BEGIN proof description ** ## Searching for a generalized rewrite rule (a rule whose right-hand side contains a variable that does not occur in the left-hand side)... No generalized rewrite rule found! ## Applying the DP framework... ## Round 1: ## DP problem: Dependency pairs = [f^#(j(_0,_1),_1) -> f^#(_0,k(_1))] TRS = {f(j(_0,_1),_1) -> g(f(_0,k(_1))), f(_0,h1(_1,_2)) -> h2(0,_0,h1(_1,_2)), g(h2(_0,_1,h1(_2,_3))) -> h2(s(_0),_1,h1(_2,_3)), h2(_0,j(_1,h1(_2,_3)),h1(_2,_3)) -> h2(s(_0),_1,h1(s(_2),_3)), i(f(_0,h(_1))) -> _1, i(h2(s(_0),_1,h1(_0,_2))) -> _2, k(h(_0)) -> h1(0,_0), k(h1(_0,_1)) -> h1(s(_0),_1)} ## Trying with homeomorphic embeddings... Failed! ## Trying with polynomial interpretations... Too many coefficients (32)! Aborting! ## Trying with lexicographic path orders... The constraints are satisfied by the lexicographic path order using the precedence: j > [f, k, h2, g], f > [h2], h > [h1] and the argument filtering: {j:[0, 1], f:[0, 1], k:[0], h2:[2], s:[0], g:[0], h1:[1], i:[0], h:[0], f^#:[0, 1]} This DP problem is finite. ## DP problem: Dependency pairs = [h2^#(_0,j(_1,h1(_2,_3)),h1(_2,_3)) -> h2^#(s(_0),_1,h1(s(_2),_3))] TRS = {f(j(_0,_1),_1) -> g(f(_0,k(_1))), f(_0,h1(_1,_2)) -> h2(0,_0,h1(_1,_2)), g(h2(_0,_1,h1(_2,_3))) -> h2(s(_0),_1,h1(_2,_3)), h2(_0,j(_1,h1(_2,_3)),h1(_2,_3)) -> h2(s(_0),_1,h1(s(_2),_3)), i(f(_0,h(_1))) -> _1, i(h2(s(_0),_1,h1(_0,_2))) -> _2, k(h(_0)) -> h1(0,_0), k(h1(_0,_1)) -> h1(s(_0),_1)} ## Trying with homeomorphic embeddings... Failed! ## Trying with polynomial interpretations... Too many coefficients (32)! Aborting! ## Trying with lexicographic path orders... The constraints are satisfied by the lexicographic path order using the precedence: j > [f, k, h2, g], f > [h2], h > [h1] and the argument filtering: {j:[0, 1], f:[0, 1], k:[0], h2:[2], s:[0], g:[0], h1:[1], i:[0], h:[0], h2^#:[1]} This DP problem is finite. ** END proof description ** Proof stopped at iteration 0 Number of unfolded rules generated by this proof = 0 Number of unfolded rules generated by all the parallel proofs = 130