Memory not freed:
-----------------
   Address     Size     Caller
0x08534388      0x2  at studenti/AndreaMantoni/AndreaMantoni.c:325
0x08534398      0x2  at studenti/AndreaMantoni/AndreaMantoni.c:320
0x085343a8      0x2  at studenti/AndreaMantoni/AndreaMantoni.c:325
0x085343b8      0x2  at studenti/AndreaMantoni/AndreaMantoni.c:325