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Diffstat (limited to 'test-suite/bugs/closed/shouldsucceed/1414.v')
-rw-r--r-- | test-suite/bugs/closed/shouldsucceed/1414.v | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/test-suite/bugs/closed/shouldsucceed/1414.v b/test-suite/bugs/closed/shouldsucceed/1414.v deleted file mode 100644 index ee9e2504..00000000 --- a/test-suite/bugs/closed/shouldsucceed/1414.v +++ /dev/null @@ -1,40 +0,0 @@ -Require Import ZArith Coq.Program.Wf Coq.Program.Utils. - -Parameter data:Set. - -Inductive t : Set := - | Leaf : t - | Node : t -> data -> t -> Z -> t. - -Parameter avl : t -> Prop. -Parameter bst : t -> Prop. -Parameter In : data -> t -> Prop. -Parameter cardinal : t -> nat. -Definition card2 (s:t*t) := let (s1,s2) := s in cardinal s1 + cardinal s2. - -Parameter split : data -> t -> t*(bool*t). -Parameter join : t -> data -> t -> t. -Parameter add : data -> t -> t. - -Program Fixpoint union - (s u:t) - (hb1: bst s)(ha1: avl s)(hb2: bst u)(hb2: avl u) - { measure (cardinal s + cardinal u) } : - {s' : t | bst s' /\ avl s' /\ forall x, In x s' <-> In x s \/ In x u} := - match s, u with - | Leaf,t2 => t2 - | t1,Leaf => t1 - | Node l1 v1 r1 h1, Node l2 v2 r2 h2 => - if (Z_ge_lt_dec h1 h2) then - if (Z.eq_dec h2 1) - then add v2 s - else - let (l2', r2') := split v1 u in - join (union l1 l2' _ _ _ _) v1 (union r1 (snd r2') _ _ _ _) - else - if (Z.eq_dec h1 1) - then add v1 s - else - let (l1', r1') := split v2 u in - join (union l1' l2 _ _ _ _) v2 (union (snd r1') r2 _ _ _ _) - end. |