Gurobi 5.6.3 (linux64) logging started Tue Oct  7 22:59:21 2014

Optimize a model with 17557 rows, 17556 columns and 52404 nonzeros
Presolve time: 0.33s
Presolved: 17557 rows, 17556 columns, 52404 nonzeros
Variable types: 0 continuous, 17556 integer (17556 binary)
Found heuristic solution: objective 16.7751035

Root relaxation: objective 1.164774e+01, 1697 iterations, 0.13 seconds

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

*    0     0               0      11.6477425   11.64774  0.00%     -    0s

Explored 0 nodes (1697 simplex iterations) in 0.50 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.164774246229e+01, best bound 1.164774246229e+01, gap 0.0%