Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:53:53 2012

Optimize a model with 19025 rows, 22952 columns and 79273 nonzeros
Presolve removed 338 rows and 5136 columns
Presolve time: 0.42s
Presolved: 18687 rows, 17816 columns, 73136 nonzeros
Variable types: 0 continuous, 17816 integer (17816 binary)
Found heuristic solution: objective 151.0000000

Root relaxation: objective 3.000000e+00, 11271 iterations, 1.06 seconds
Total elapsed time = 6.72s

    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%     -    7s

Explored 0 nodes (39242 simplex iterations) in 7.92 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%