Goal:
    a : byte  b : byte  e : NoConfusion_byte a b
  ============================
   (noConfusion_byte_obligation_2 a b (noConfusion_byte_obligation_1 a b e) =
    e)


DEBUG:Going to execute:
try Tactics.program_solve_wf
Level 2: Backtrace:

Tactic failure: Proof search failed.
Level 2: Backtrace:

Tactic failure: Proof search failed.