Goal:
    A : Type  R : ReflectEq A  x : A  Heq_anonymous : false = (x == x)
  ============================
   False


DEBUG:Going to execute:
try CoreTactics.solve_wf
Level 2: Backtrace:

No product even after head-reduction.
Level 2: Backtrace:

No product even after head-reduction.
Level 1: Backtrace:

No product even after head-reduction.
Level 0: Backtrace:

No product even after head-reduction.