Gurobi 5.6.3 (linux64) logging started Tue Oct  7 22:53:25 2014

Optimize a model with 17031 rows, 17030 columns and 50830 nonzeros
Presolve time: 0.33s
Presolved: 17031 rows, 17030 columns, 50830 nonzeros
Variable types: 0 continuous, 17030 integer (17030 binary)
Found heuristic solution: objective 18.7735770

Root relaxation: objective 1.192959e+01, 1508 iterations, 0.10 seconds

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

*    0     0               0      11.9295887   11.92959  0.00%     -    0s

Explored 0 nodes (1508 simplex iterations) in 0.47 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.192958866231e+01, best bound 1.192958866231e+01, gap 0.0%