Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:50:59 2012

Optimize a model with 18521 rows, 21756 columns and 76585 nonzeros
Presolve removed 326 rows and 4412 columns
Presolve time: 0.41s
Presolved: 18195 rows, 17344 columns, 71192 nonzeros
Variable types: 0 continuous, 17344 integer (17344 binary)
Found heuristic solution: objective 147.0000000

Root relaxation: objective 3.000000e+00, 14555 iterations, 1.25 seconds
Total elapsed time = 6.24s

    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%     -    6s

Explored 0 nodes (34654 simplex iterations) in 6.81 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%