Added problem wrongly backtracking

(cherry picked from commit a34071ed728b8de44b198de4e73a52207557ed81)

diff --git a/ocaml/problems/w b/ocaml/problems/w
index e86007cd0931e5ec5a9833fc1c7c7c3cbeb0aa3c..d55e1b83dd9efe6b49811244731e37cce8d3eef5 100644 (file)
--- a/ocaml/problems/w
+++ b/ocaml/problems/w
@@ -66,3 +66,18 @@ N c (k. l. l b k) (k. l. d) (e f (k. k) (g e)) (k. l. m. n. n b m) (k. b (b (k e
 \r
 # todo:\r
   (* assert_unseparable (problem_of (Some"`y y") ["x (_. y y)"] []);; *)\r
+\r
+\r
+$! new failing problem\r
+# it is backtracking, but it shouldn't\r
+D (a b)\r
+C ((((((((a (v (y. y))) (v c)) ((x ((a (v (y. y))) (v c))) y)) (((a (v (y. y))) (((v c) ((((z z) b) (c. a)) (w (c. (v c))))) (w. (v. (z. (v (y. y))))))) (((v (x. (v c))) (v (x. (v c)))) (((((z z) b) (c. a)) (z z)) (b c))))) (a. ((((z z) b)(c. a)) (z z)))) (y. (z z))) (((a (v (y. y))) w) (z. x))) (w. (z. (v (y. y)))))\r
+C ((((((((z z) b) (c. a)) (z z)) ((v (y. y)) a)) (v (y. y))) ((((a (v (y. y))) (v c)) (z z)) ((a (v (y. y))) (((v c) ((((z z) b) (c. a)) (w (c. (v c))))) (w. (v. (z. (v (y. y))))))))) (z. ((v (y. y)) a)))\r
+C (((((((a (v (y. y))) w) (a b)) ((b (x. (b. a))) (b. (v. ((((z z) b) (c. a)) (z z)))))) (a. (z. (b. w)))) (x. (((w v) ((z z) (a (v (y. y))))) ((a (v (y. y))) (v c))))) (((z z) (a (v (y. y)))) (b. a)))\r
+C (((((((z z) b) (c. a)) (z z)) (b c)) (b. a)) (((v (x. (v c))) (((v (x. (v c))) ((z z) b)) (a. (w. (v. (z. (v (y. y)))))))) ((x ((a (v (y. y))) (v c))) (b. (c. y)))))\r
+C (((((((z z) b) (c. a)) (z z)) (b c)) (b. a)) (y. (x. z)))\r
+N ((((((((a (v (y. y))) w) (a b)) ((b (x. (b. a))) (b. (v. ((((z z) b) (c. a)) (z z)))))) (a. (z. (b. w)))) (x. (((w v)((z z) (a (v (y. y))))) ((a (v (y. y))) (v c))))) (((z z) (a (v (y. y)))) (b. a))) (w. ((((w v) ((z z) (a (v (y. y)))))((a (v (y. y))) (v c))) (((((v c) ((((z z) b) (c. a)) (w (c. (v c))))) (w. (v. (z. (v (y. y)))))) ((z z) a)) (y. ((v c)((((z z) b) (c. a)) (w (c. (v c)))))))))) Z\r
+N (((((((a (v (y. y))) (v c)) ((x ((a (v (y. y))) (v c))) y)) (((a (v (y. y))) (((v c) ((((z z) b) (c. a)) (w (c. (v c))))) (w. (v. (z. (v (y. y))))))) (((v (x. (v c))) (v (x. (v c)))) (((((z z) b) (c. a)) (z z)) (b c))))) (a. ((((z z) b) (c. a)) (z z)))) (y. (z z))) (((a (v (y. y))) w) (z. x))) Z\r
+N (((((((z z) b) (c. a)) (z z)) ((v (y. y)) a)) (v (y. y))) ((((a (v (y. y))) (v c)) (z z)) ((a (v (y. y))) (((v c) ((((z z) b) (c. a)) (w (c. (v c))))) (w. (v. (z. (v (y. y))))))))) Z\r
+N (((((((z z) b) (c. a)) (z z)) (b c)) (b. a)) (y. (x ((z z) a)))) Z\r
+N (((((((z z) b) (c. a)) (z z)) (b c)) (x. (((z z) b) (c. a)))) (((v c) ((((z z) b) (c. a)) (w (c. (v c))))) (w. (v. (z. (v (y. y))))))) Z\r