Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:28:21 2013

Optimize a model with 70 rows, 2765 columns and 8020 nonzeros
Presolve removed 5 rows and 5 columns
Presolve time: 0.00s
Presolved: 65 rows, 2760 columns, 5515 nonzeros
Variable types: 2760 continuous, 0 integer (0 binary)

Root relaxation: objective 1.704455e+04, 65 iterations, 0.00 seconds

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

     0     0 17044.5499    0    1          - 17044.5499     -      -    0s
     0     2 17044.5499    0    1          - 17044.5499     -      -    0s
*   18     4               9    17091.445829 17091.4458   0.0%   1.1    0s

Explored 19 nodes (84 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.709144582885e+04, best bound 1.709144582885e+04, gap 0.0%