Goal:
  
  G : t
  HI : invariants
  A : Prop
  B : Prop
  H0 : A
  H : B
  H1 : False
  H3 : A
  ============================
   False


DEBUG:Going to execute:
elim H
Level 3: evaluation returns
<coq-core.plugins.tauto::is_empty@0>
where
tauto_flags := 
of type
tauto_flags
X1 := False
of type
constr of type tacvalue