File: bug_15791.v

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Require Import Coq.micromega.Lia.
Unset Lia Cache.
Set Primitive Projections.

Definition R := nat.
Record S : Set := { regs : R -> nat }.

Record D := { state : Set }.
Definition Z : D := {| state := S |}.
Arguments state d.


Goal forall  (r : R) (s : @state Z), regs s r >= 0.
Proof.
  intros.
  lia.
Qed.