Goal:
    n : t
  ============================
   (max n None = n)


DEBUG:Going to execute:
destruct n

Goals:
    z : Z
  ============================
   (max (Some z) None = Some z)

  
  ============================
   (max None None = None)


DEBUG:Going to execute:
simpl
DEBUG LTAC Evaluated term: n

Goals:
    z : Z
  ============================
   (Some z = Some z)

  
  ============================
   (None = None)


DEBUG:Going to execute:
auto

Goals:
    z : Z
  ============================
   (Some z = Some z)

  
  ============================
   (None = None)


DEBUG:Going to execute:
<coq-core.plugins.ltac::auto@0> $1 $2 $3