Goal:
    __x1 : BinNums.Z
  ============================
   (let __wit := [] in
    let __varmap := VarMap.Elt __x1 in
    let __ff :=
      Tauto.A Tauto.isProp
        {|
          RingMicromega.Flhs := EnvRing.PEX BinNums.xH;
          RingMicromega.Fop := RingMicromega.OpLe;
          RingMicromega.Frhs := EnvRing.PEX BinNums.xH
        |} tt in
    BinInt.Z.le __x1 __x1)


DEBUG:Going to execute:
intros __wit __varmap __ff; exact
            (ZMicromega.ZTautoChecker_sound __ff __wit
               (eq_refl <: ZMicromega.ZTautoChecker __ff __wit = true)
               (VarMap.find BinNums.Z0 __varmap))