diff options
Diffstat (limited to 'test-suite/bugs/closed/shouldsucceed/1775.v')
| -rw-r--r-- | test-suite/bugs/closed/shouldsucceed/1775.v | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/shouldsucceed/1775.v b/test-suite/bugs/closed/shouldsucceed/1775.v new file mode 100644 index 00000000..dab4120b --- /dev/null +++ b/test-suite/bugs/closed/shouldsucceed/1775.v @@ -0,0 +1,39 @@ +Axiom pair : nat -> nat -> nat -> Prop. +Axiom pl : (nat -> Prop) -> (nat -> Prop) -> (nat -> Prop). +Axiom plImp : forall k P Q, + pl P Q k -> forall (P':nat -> Prop), + (forall k', P k' -> P' k') -> forall (Q':nat -> Prop), + (forall k', Q k' -> Q' k') -> + pl P' Q' k. + +Definition nexists (P:nat -> nat -> Prop) : nat -> Prop := + fun k' => exists k, P k k'. + +Goal forall s k k' m, + (pl k' (nexists (fun w => (nexists (fun b => pl (pair w w) + (pl (pair s b) + (nexists (fun w0 => (nexists (fun a => pl (pair b w0) + (nexists (fun w1 => (nexists (fun c => pl + (pair a w1) (pl (pair a c) k))))))))))))))) m. +intros. +eapply plImp; [ | eauto | intros ]. +2:econstructor. +2:econstructor. +2:eapply plImp; [ | eauto | intros ]. +3:eapply plImp; [ | eauto | intros ]. +4:econstructor. +4:econstructor. +4:eapply plImp; [ | eauto | intros ]. +5:econstructor. +5:econstructor. +5:eauto. +4:eauto. +3:eauto. +2:eauto. + +assert (X := 1). +clear X. (* very slow! *) + +simpl. (* exception Not_found *) + +Admitted. |