Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:26:11 2012

Optimize a model with 9176 rows, 4830 columns and 32014 nonzeros
Presolve removed 624 rows and 71 columns
Presolve time: 0.35s
Presolved: 8552 rows, 4759 columns, 30179 nonzeros
Variable types: 0 continuous, 4759 integer (4759 binary)
Found heuristic solution: objective 69.0000000

Root relaxation: objective 3.000000e+00, 6334 iterations, 0.69 seconds
Total elapsed time = 5.38s

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

     0     0    3.00000    0   66   69.00000    3.00000  95.7%     -    5s
H    0     0                       9.0000000    3.00000  66.7%     -    5s
H    0     0                       4.0000000    3.00000  25.0%     -    5s
H    0     0                       3.0000000    3.00000   0.0%     -    5s

Explored 0 nodes (33150 simplex iterations) in 5.57 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%