Goal:
    b : byte
  ============================
   (noConfusion_byte_obligation_1 b b
      (noConfusion_byte_obligation_2 b b eq_refl) = eq_refl)


DEBUG:Going to execute:
match goal with
           | |- well_founded _ => auto with *
           | |- ?T => match type of T with
                      | Prop => auto
                      end
           end