YES Prover = TRS(tech=PATTERN_RULES, nb_unfoldings=unlimited, max_nb_unfolded_rules=200) ** 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^#(f(_0,_1),_2) -> f^#(_0,f(_1,_2)), f^#(f(_0,_1),_2) -> f^#(_1,_2), f^#(g(_0,_1),_2) -> f^#(_0,_2), f^#(g(_0,_1),_2) -> f^#(_1,_2)] TRS = {f(0,_0) -> _0, f(_0,0) -> _0, f(i(_0),_1) -> i(_0), f(f(_0,_1),_2) -> f(_0,f(_1,_2)), f(g(_0,_1),_2) -> g(f(_0,_2),f(_1,_2)), f(1,g(_0,_1)) -> _0, f(2,g(_0,_1)) -> _1} ## Trying with homeomorphic embeddings... Failed! ## Trying with polynomial interpretations... Too many coefficients (14)! Aborting! ## Trying with lexicographic path orders... The constraints are satisfied by the lexicographic path order using the precedence: f > [g] and the argument filtering: {f:[0, 1], g:[0, 1], i:[0], f^#:[0, 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 = 14