Gurobi 5.6.3 (linux64) logging started Wed Oct  8 02:26:21 2014

Optimize a model with 39403 rows, 39402 columns and 117810 nonzeros
Presolve time: 0.98s
Presolved: 39403 rows, 39402 columns, 117810 nonzeros
Variable types: 0 continuous, 39402 integer (39402 binary)
Found heuristic solution: objective 19.2276133

Root relaxation: objective 1.421042e+01, 2552 iterations, 0.30 seconds

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

*    0     0               0      14.2104180   14.21042  0.00%     -    1s

Explored 0 nodes (2552 simplex iterations) in 1.38 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.421041800253e+01, best bound 1.421041800253e+01, gap 0.0%