Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:54:01 2012

Optimize a model with 18723 rows, 22952 columns and 78367 nonzeros
Presolve removed 338 rows and 5136 columns
Presolve time: 0.40s
Presolved: 18385 rows, 17816 columns, 72234 nonzeros
Variable types: 0 continuous, 17816 integer (17816 binary)
Found heuristic solution: objective 151.0000000

Root relaxation: objective 3.000000e+00, 9945 iterations, 1.02 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%     -    4s

Explored 0 nodes (26309 simplex iterations) in 4.90 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%