Gurobi 5.6.3 (linux64) logging started Wed Oct  8 04:24:20 2014

Optimize a model with 49953 rows, 49952 columns and 149410 nonzeros
Presolve time: 1.36s
Presolved: 49953 rows, 49952 columns, 149410 nonzeros
Variable types: 0 continuous, 49952 integer (49952 binary)
Found heuristic solution: objective 21.3688114

Root relaxation: objective 1.442819e+01, 2583 iterations, 0.39 seconds

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

*    0     0               0      14.4281894   14.42819  0.00%     -    1s

Explored 0 nodes (2583 simplex iterations) in 1.88 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.442818938871e+01, best bound 1.442818938871e+01, gap 0.0%