Memory not freed:
-----------------
   Address     Size     Caller
0x09467388      0x2  at ../tests-AntonioMartino.c:319
0x09468330    0xfac  at ../../../AndreaSterbini/modulo3.c:17
0x09468348      0xc  at 0x1c39f0
0x09468350    0xfac  at ../../../AndreaSterbini/modulo3.c:17
0x09468358      0xc  at 0x1c39f0
0x094692e8    0xfac  at ../../../AndreaSterbini/modulo3.c:17
0x09469308    0xfac  at ../../../AndreaSterbini/modulo3.c:17