Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:42:04 2013

Optimize a model with 280 rows, 5060 columns and 11080 nonzeros
Presolve removed 20 rows and 20 columns
Presolve time: 0.01s
Presolved: 260 rows, 5040 columns, 10060 nonzeros
Variable types: 5040 continuous, 0 integer (0 binary)

Root relaxation: objective 4.370285e+04, 496 iterations, 0.01 seconds

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

     0     0 43702.8549    0    2          - 43702.8549     -      -    0s
     0     2 43702.8549    0    2          - 43702.8549     -      -    0s
*   25    21              13    44195.302152 43852.1529  0.78%  12.0    0s
*   41    15               9    44051.524814 43878.1255  0.39%  10.2    0s
*   58     8              10    43900.849511 43896.9453  0.01%   8.3    0s

Explored 59 nodes (978 simplex iterations) in 0.13 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.390084951135e+04, best bound 4.389694531587e+04, gap 0.0089%