Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:24:16 2012

Optimize a model with 8173 rows, 4556 columns and 28741 nonzeros
Presolve removed 539 rows and 69 columns
Presolve time: 0.29s
Presolved: 7634 rows, 4487 columns, 27173 nonzeros
Variable types: 0 continuous, 4487 integer (4487 binary)
Found heuristic solution: objective 67.0000000

Root relaxation: objective 3.000000e+00, 5440 iterations, 0.47 seconds

    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%     -    3s

Explored 0 nodes (22427 simplex iterations) in 3.32 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%