Creo ModelCHECK > checks > SO25_CAVITIES (Cavities)
  
SO25_CAVITIES (Cavities)
Y/N/E/W
GeomIntegrityCHECK reports solids that are fully contained in another solid and are to be fully subtracted from.
Suggested Settings:
Inter
Batch
Regen
Save
E
E
N
N