Goal:
    x : t  y : t
  ============================
   (reflectProp (x = y) (eqb x y))


DEBUG:Going to execute:
try Tactics.program_solve_wf
Level 0: Backtrace:

Tactic failure: Proof search failed without reaching its limit.
Level 0: Backtrace:

Tactic failure: Proof search failed without reaching its limit.