Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:30:17 2014

Optimize a model with 2163 rows, 2162 columns and 6394 nonzeros
Presolve time: 0.04s
Presolved: 2163 rows, 2162 columns, 6394 nonzeros
Variable types: 0 continuous, 2162 integer (2162 binary)
Found heuristic solution: objective 7.3873437

Root relaxation: objective 6.720799e+00, 515 iterations, 0.01 seconds

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

*    0     0               0       6.7207989    6.72080  0.00%     -    0s

Explored 0 nodes (515 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.720798856835e+00, best bound 6.720798856835e+00, gap 0.0%