Gurobi 5.6.3 (linux64) logging started Wed Oct  8 00:25:04 2014

Optimize a model with 26733 rows, 26732 columns and 79870 nonzeros
Presolve time: 0.61s
Presolved: 26733 rows, 26732 columns, 79870 nonzeros
Variable types: 0 continuous, 26732 integer (26732 binary)
Found heuristic solution: objective 18.0536705

Root relaxation: objective 1.266863e+01, 2086 iterations, 0.21 seconds

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

*    0     0               0      12.6686343   12.66863  0.00%     -    0s

Explored 0 nodes (2086 simplex iterations) in 0.89 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.266863432066e+01, best bound 1.266863432066e+01, gap 0.0%