Gurobi 5.6.3 (linux64) logging started Wed Oct  8 01:43:11 2014

Optimize a model with 35157 rows, 35156 columns and 105094 nonzeros
Presolve time: 0.88s
Presolved: 35157 rows, 35156 columns, 105094 nonzeros
Variable types: 0 continuous, 35156 integer (35156 binary)
Found heuristic solution: objective 23.1155289

Root relaxation: objective 1.340223e+01, 2137 iterations, 0.22 seconds

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

*    0     0               0      13.4022261   13.40223  0.00%     -    1s

Explored 0 nodes (2137 simplex iterations) in 1.19 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.340222610992e+01, best bound 1.340222610992e+01, gap 0.0%