Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:46:54 2014

Optimize a model with 5551 rows, 5550 columns and 16502 nonzeros
Presolve time: 0.13s
Presolved: 5551 rows, 5550 columns, 16502 nonzeros
Variable types: 0 continuous, 5550 integer (5550 binary)
Found heuristic solution: objective 17.3242348

Root relaxation: objective 8.509159e+00, 830 iterations, 0.03 seconds

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

*    0     0               0       8.5091586    8.50916  0.00%     -    0s

Explored 0 nodes (830 simplex iterations) in 0.17 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.509158579819e+00, best bound 8.509158579819e+00, gap 0.0%