Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:41:17 2012

Optimize a model with 4450 rows, 8010 columns and 21004 nonzeros
Presolve removed 25 rows and 2225 columns
Presolve time: 0.12s
Presolved: 4425 rows, 5785 columns, 18779 nonzeros
Variable types: 0 continuous, 5785 integer (5785 binary)
Found heuristic solution: objective 25.0000000
Found heuristic solution: objective 2.0000000

Root relaxation: cutoff, 3806 iterations, 0.06 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 (3806 simplex iterations) in 0.18 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%