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Prevent zify from looping #273

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Prevent zify from looping #273

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14 changes: 14 additions & 0 deletions test-suite/bugs/bug_22093.v
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Original file line number Diff line number Diff line change
@@ -0,0 +1,14 @@
From Stdlib Require Import ZArith Lia.

Section S.
Open Scope Z_scope.
Variable n : Z.
Variable bound_n : 0 <= n < 1.

Goal True.
Proof.
Timeout 1 lia.
(* Used to not terminate, now 3ms *)
Qed.

End S.
2 changes: 1 addition & 1 deletion theories/omega/PreOmega.v
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Expand Up @@ -99,7 +99,7 @@ Module Z.
Ltac euclidean_division_equations_cleanup :=
repeat
(repeat match goal with
| [ H : 0 <= ?x < _ |- _ ] => destruct H
| [ H : 0 <= ?x < _ |- _ ] => tryif is_section_var H then destruct H; clear H else destruct H
end;
repeat match goal with
| [ H : ?x <> ?x -> _ |- _ ] => clear H
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