Memory not freed:
-----------------
   Address     Size     Caller
0x085da388    0x160  at 0x1adc4f
0x085da570     0xc8  at studenti/RiccardoVona/RiccardoVona.c:449
0x085da640     0xc9  at studenti/RiccardoVona/RiccardoVona.c:491
0x085da710     0xc9  at studenti/RiccardoVona/RiccardoVona.c:492