Gurobi 5.0.1 (linux64) logging started Sat Nov 17 02:38:17 2012

Optimize a model with 58910 rows, 48180 columns and 223816 nonzeros
Presolve removed 878 rows and 2 columns
Presolve time: 4.31s
Presolved: 58251 rows, 48178 columns, 269057 nonzeros
Variable types: 0 continuous, 48178 integer (48178 binary)
Found heuristic solution: objective 219.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   32824    3.0000769e+00   4.204167e+01   0.000000e+00      5s
   38458    3.0000835e+00   1.999091e+02   0.000000e+00     10s
   42378    3.0000873e+00   1.204584e+02   0.000000e+00     15s
   45878    3.0000898e+00   1.975088e+02   0.000000e+00     20s
   49378    3.0000918e+00   1.410688e+02   0.000000e+00     25s
   52598    3.0000938e+00   4.422570e+01   0.000000e+00     30s
   55958    3.0000960e+00   3.845633e+01   0.000000e+00     35s
   59038    3.0000975e+00   4.074122e+01   0.000000e+00     40s
   62258    3.0000991e+00   4.102790e+02   0.000000e+00     45s
   65338    3.0001006e+00   1.275053e+01   0.000000e+00     50s
   68278    3.0001017e+00   2.630369e+02   0.000000e+00     55s
   71218    3.0001033e+00   1.795943e+01   0.000000e+00     60s
   74158    3.0001053e+00   1.593255e+00   0.000000e+00     65s
   75034    3.0000000e+00   0.000000e+00   0.000000e+00     67s

Root relaxation: objective 3.000000e+00, 75034 iterations, 66.66 seconds
Total elapsed time = 115.90s
Total elapsed time = 124.00s
Total elapsed time = 125.72s

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    3.00000    0  464  219.00000    3.00000  98.6%     -  126s
H    0     0                       3.0000000    3.00000   0.0%     -  127s

Explored 0 nodes (179551 simplex iterations) in 127.11 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%