Gurobi 5.6.3 (linux64) logging started Tue Oct  7 21:09:26 2014

Optimize a model with 8743 rows, 8742 columns and 26040 nonzeros
Presolve time: 0.14s
Presolved: 8743 rows, 8742 columns, 26040 nonzeros
Variable types: 0 continuous, 8742 integer (8742 binary)
Found heuristic solution: objective 13.4526388

Root relaxation: objective 8.773831e+00, 1054 iterations, 0.05 seconds

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

*    0     0               0       8.7738314    8.77383  0.00%     -    0s

Explored 0 nodes (1054 simplex iterations) in 0.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.773831436893e+00, best bound 8.773831436893e+00, gap 0.0%