Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:46:38 2012

Optimize a model with 4507 rows, 9702 columns and 22734 nonzeros
Presolve removed 40 rows and 3726 columns
Presolve time: 0.13s
Presolved: 4467 rows, 5976 columns, 18918 nonzeros
Variable types: 0 continuous, 5976 integer (5976 binary)
Found heuristic solution: objective 98.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 103 iterations, 0.00 seconds

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

     0     0    2.00000    0   26    3.00000    2.00000  33.3%     -    0s

Explored 0 nodes (178 simplex iterations) in 0.15 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%