Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:13:12 2013

Optimize a model with 170 rows, 5315 columns and 60670 nonzeros
Presolve removed 5 rows and 5 columns
Presolve time: 0.11s
Presolved: 165 rows, 5310 columns, 55665 nonzeros
Variable types: 5260 continuous, 50 integer (50 binary)

Root relaxation: objective 9.601887e+03, 39 iterations, 0.00 seconds

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

     0     0 9601.88662    0    3          - 9601.88662     -      -    0s
     0     0 9604.22406    0    3          - 9604.22406     -      -    0s
     0     0 9604.22406    0    3          - 9604.22406     -      -    0s
     0     2 9620.74880    0    3          - 9620.74880     -      -    0s
*   10     5               9    9659.5026973 9623.00806  0.38%   5.2    0s
*   30    10              19    9624.4892594 9623.87745  0.01%   3.4    0s

Explored 31 nodes (223 simplex iterations) in 0.86 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.624489259406e+03, best bound 9.623877445369e+03, gap 0.0064%