Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:50:21 2014

Optimize a model with 6163 rows, 6162 columns and 18330 nonzeros
Presolve time: 0.14s
Presolved: 6163 rows, 6162 columns, 18330 nonzeros
Variable types: 0 continuous, 6162 integer (6162 binary)
Found heuristic solution: objective 14.0082589

Root relaxation: objective 9.109269e+00, 910 iterations, 0.03 seconds

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

*    0     0               0       9.1092694    9.10927  0.00%     -    0s

Explored 0 nodes (910 simplex iterations) in 0.19 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.109269436410e+00, best bound 9.109269436410e+00, gap 0.0%