Gurobi 5.6.3 (linux64) logging started Wed Oct  8 01:19:15 2014

Optimize a model with 32581 rows, 32580 columns and 97380 nonzeros
Presolve time: 0.79s
Presolved: 32581 rows, 32580 columns, 97380 nonzeros
Variable types: 0 continuous, 32580 integer (32580 binary)
Found heuristic solution: objective 18.2517931

Root relaxation: objective 1.363547e+01, 2379 iterations, 0.27 seconds

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

*    0     0               0      13.6354717   13.63547  0.00%     -    1s

Explored 0 nodes (2379 simplex iterations) in 1.15 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.363547169962e+01, best bound 1.363547169962e+01, gap 0.0%