Gurobi 5.0.1 (linux64) logging started Sat Nov 17 05:35:50 2012

Optimize a model with 63432 rows, 52670 columns and 241822 nonzeros
Presolve removed 938 rows and 4582 columns
Presolve time: 4.51s
Presolved: 62494 rows, 48088 columns, 234406 nonzeros
Variable types: 0 continuous, 48088 integer (48088 binary)
Found heuristic solution: objective 229.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   37860    3.0000780e+00   1.815000e+02   0.000000e+00      5s
   44531    3.0000897e+00   1.850573e+02   0.000000e+00     10s
   48275    3.0000933e+00   5.782655e+01   0.000000e+00     15s
   52019    3.0000966e+00   3.092739e+01   0.000000e+00     20s
   55619    3.0001000e+00   1.431874e+02   0.000000e+00     25s
   59075    3.0001033e+00   4.491089e+01   0.000000e+00     30s
   62531    3.0001056e+00   1.398889e+02   0.000000e+00     35s
   65987    3.0001083e+00   3.536232e+00   0.000000e+00     40s
   66646    3.0000000e+00   0.000000e+00   0.000000e+00     41s

Root relaxation: objective 3.000000e+00, 66646 iterations, 40.95 seconds
Total elapsed time = 75.46s
Total elapsed time = 80.22s

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

*    0     0               0       3.0000000    3.00000   0.0%     -   80s

Explored 0 nodes (134543 simplex iterations) in 80.73 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%