Memory not freed:
-----------------
   Address     Size     Caller
0x08c95330     0x14  at ../../../AndreaSterbini/modulo3.c:206
0x08c95348     0x10  at 0x1c39f0
0x08c95370      0x6  at 0x1c39f0
0x08c95398      0x6  at 0x1c39f0
0x08c953c0      0x6  at 0x1c39f0
0x08c953e8      0x6  at 0x1c39f0
0x08c95410      0x6  at 0x1c39f0
0x08c95498     0x10  at ../../../AndreaSterbini/modulo3.c:80
0x08c954b0      0xf  at 0x1c39f0
0x08c954c8     0x10  at ../../../AndreaSterbini/modulo3.c:80
0x08c954e0      0x7  at 0x1c39f0
0x08c954f0     0x10  at ../../../AndreaSterbini/modulo3.c:80
0x08c95508      0x8  at 0x1c39f0
0xb7f94008  0x27100  at ../../../AndreaSterbini/modulo3.c:202