Gurobi 5.0.1 (linux64) logging started Fri Nov 16 19:15:55 2012

Optimize a model with 9472 rows, 16512 columns and 44416 nonzeros
Presolve removed 35 rows and 4480 columns
Presolve time: 0.19s
Presolved: 9437 rows, 12032 columns, 39936 nonzeros
Variable types: 0 continuous, 12032 integer (12032 binary)
Found heuristic solution: objective 30.0000000
Found heuristic solution: objective 2.0000000

Root relaxation: cutoff, 7838 iterations, 0.19 seconds

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

     0     0     cutoff    0         2.00000    1.00000  50.0%     -    0s

Explored 0 nodes (7838 simplex iterations) in 0.40 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%