Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:40:46 2013

Optimize a model with 140 rows, 6030 columns and 17040 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.01s
Presolved: 130 rows, 6020 columns, 12030 nonzeros
Variable types: 6020 continuous, 0 integer (0 binary)

Root relaxation: objective 2.337984e+04, 124 iterations, 0.00 seconds

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

     0     0 23379.8401    0    1          - 23379.8401     -      -    0s
H    0     0                    23620.127542 23379.8401  1.02%     -    0s
     0     2 23379.8401    0    1 23620.1275 23379.8401  1.02%     -    0s
*   23     5              12    23527.308995 23527.3089  0.00%   3.6    0s

Explored 24 nodes (207 simplex iterations) in 0.13 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.352730899529e+04, best bound 2.352730894753e+04, gap 0.0000%