Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:49:28 2014

Optimize a model with 6007 rows, 6006 columns and 17864 nonzeros
Presolve time: 0.14s
Presolved: 6007 rows, 6006 columns, 17864 nonzeros
Variable types: 0 continuous, 6006 integer (6006 binary)
Found heuristic solution: objective 14.3811922

Root relaxation: objective 8.767699e+00, 890 iterations, 0.03 seconds

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

*    0     0               0       8.7676989    8.76770  0.00%     -    0s

Explored 0 nodes (890 simplex iterations) in 0.19 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.767698855786e+00, best bound 8.767698855786e+00, gap 0.0%