Gurobi 5.6.3 (linux64) logging started Wed Oct  8 00:03:56 2014

Optimize a model with 24181 rows, 24180 columns and 72230 nonzeros
Presolve time: 0.53s
Presolved: 24181 rows, 24180 columns, 72230 nonzeros
Variable types: 0 continuous, 24180 integer (24180 binary)
Found heuristic solution: objective 22.0733290

Root relaxation: objective 1.245403e+01, 1895 iterations, 0.17 seconds

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

*    0     0               0      12.4540272   12.45403  0.00%     -    0s

Explored 0 nodes (1895 simplex iterations) in 0.76 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.245402723173e+01, best bound 1.245402723173e+01, gap 0.0%