Gurobi 5.6.3 (linux64) logging started Tue Oct  7 21:00:08 2014

Optimize a model with 7657 rows, 7656 columns and 22794 nonzeros
Presolve time: 0.14s
Presolved: 7657 rows, 7656 columns, 22794 nonzeros
Variable types: 0 continuous, 7656 integer (7656 binary)
Found heuristic solution: objective 12.8567024

Root relaxation: objective 9.480797e+00, 1183 iterations, 0.06 seconds

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

*    0     0               0       9.4807968    9.48080  0.00%     -    0s

Explored 0 nodes (1183 simplex iterations) in 0.22 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.480796834029e+00, best bound 9.480796834029e+00, gap 0.0%