Gurobi 5.0.1 (linux64) logging started Fri Nov 16 16:39:59 2012

Optimize a model with 13338 rows, 6162 columns and 45864 nonzeros
Presolve removed 1482 rows and 0 columns
Presolve time: 0.29s
Presolved: 11856 rows, 6162 columns, 42198 nonzeros
Variable types: 0 continuous, 6162 integer (6162 binary)
Found heuristic solution: objective 50.0000000

Root relaxation: objective 3.000000e+00, 11746 iterations, 1.97 seconds

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

     0     0    3.00000    0   35   50.00000    3.00000  94.0%     -    3s
H    0     0                       3.0000000    3.00000   0.0%     -    3s

Explored 0 nodes (23449 simplex iterations) in 3.97 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%