Gurobi 5.6.3 (linux64) logging started Tue Oct  7 22:28:53 2014

Optimize a model with 15253 rows, 15252 columns and 45510 nonzeros
Presolve time: 0.29s
Presolved: 15253 rows, 15252 columns, 45510 nonzeros
Variable types: 0 continuous, 15252 integer (15252 binary)
Found heuristic solution: objective 16.5151219

Root relaxation: objective 1.093604e+01, 1488 iterations, 0.10 seconds

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

*    0     0               0      10.9360432   10.93604  0.00%     -    0s

Explored 0 nodes (1488 simplex iterations) in 0.42 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.093604316634e+01, best bound 1.093604316634e+01, gap 0.0%