Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:51:08 2014

Optimize a model with 6321 rows, 6320 columns and 18802 nonzeros
Presolve time: 0.13s
Presolved: 6321 rows, 6320 columns, 18802 nonzeros
Variable types: 0 continuous, 6320 integer (6320 binary)
Found heuristic solution: objective 13.3014555

Root relaxation: objective 9.555378e+00, 977 iterations, 0.04 seconds

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

*    0     0               0       9.5553779    9.55538  0.00%     -    0s

Explored 0 nodes (977 simplex iterations) in 0.18 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.555377935701e+00, best bound 9.555377935701e+00, gap 0.0%