Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:43:39 2012

Optimize a model with 9548 rows, 15500 columns and 43648 nonzeros
Presolve removed 283 rows and 4340 columns
Presolve time: 0.18s
Presolved: 9265 rows, 11160 columns, 38688 nonzeros
Variable types: 0 continuous, 11160 integer (11160 binary)
Found heuristic solution: objective 38.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: cutoff, 9132 iterations, 0.32 seconds

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

     0     0     cutoff    0         3.00000    2.00000  33.3%     -    0s

Explored 0 nodes (9132 simplex iterations) in 0.52 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%