Goal:
    x : byte  y : byte  Hlt : (to_N x < to_N y)%N  Heq : x = y
  ============================
   False


DEBUG:Going to execute:
<coq-core.plugins.ltac::subst@1>
DEBUG LTAC Evaluated term: compare_equiv
DEBUG LTAC Evaluated term: compare_equiv
DEBUG LTAC Evaluated term: compare_equiv
DEBUG LTAC Evaluated term: N.compare_lt_iff
DEBUG LTAC Evaluated term: N.compare_lt_iff
DEBUG LTAC Evaluated term: N.compare_lt_iff