Gurobi 5.6.3 (linux64) logging started Wed Oct  8 00:45:08 2014

Optimize a model with 29071 rows, 29070 columns and 86870 nonzeros
Presolve time: 0.73s
Presolved: 29071 rows, 29070 columns, 86870 nonzeros
Variable types: 0 continuous, 29070 integer (29070 binary)
Found heuristic solution: objective 22.7819292

Root relaxation: objective 1.303311e+01, 2118 iterations, 0.23 seconds

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

*    0     0               0      13.0331063   13.03311  0.00%     -    1s

Explored 0 nodes (2118 simplex iterations) in 1.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.303310634307e+01, best bound 1.303310634307e+01, gap 0.0%