Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:36:11 2014

Optimize a model with 3783 rows, 3782 columns and 11224 nonzeros
Presolve time: 0.08s
Presolved: 3783 rows, 3782 columns, 11224 nonzeros
Variable types: 0 continuous, 3782 integer (3782 binary)
Found heuristic solution: objective 8.8681802

Root relaxation: objective 7.378871e+00, 691 iterations, 0.02 seconds

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

*    0     0               0       7.3788705    7.37887  0.00%     -    0s

Explored 0 nodes (691 simplex iterations) in 0.11 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.378870500828e+00, best bound 7.378870500828e+00, gap 0.0%