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


DEBUG:Going to execute:
try (solve
            [ red; intros; Tactics.destruct_conjs; Tactics.autoinjections;
               Tactics.discriminates ])
Level 2: Backtrace:

No primitive equality found.
Level 2: Backtrace:

No primitive equality found.
Level 1: Backtrace:

No primitive equality found.
Level 0: Backtrace:

No primitive equality found.