Gurobi 5.6.3 (linux64) logging started Wed Oct  8 01:40:11 2014

Optimize a model with 34783 rows, 34782 columns and 103974 nonzeros
Presolve time: 0.87s
Presolved: 34783 rows, 34782 columns, 103974 nonzeros
Variable types: 0 continuous, 34782 integer (34782 binary)
Found heuristic solution: objective 18.6205273

Root relaxation: objective 1.369562e+01, 2419 iterations, 0.29 seconds

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

*    0     0               0      13.6956157   13.69562  0.00%     -    1s

Explored 0 nodes (2419 simplex iterations) in 1.25 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.369561568476e+01, best bound 1.369561568476e+01, gap 0.0%