Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:44:01 2013

Optimize a model with 280 rows, 4160 columns and 8380 nonzeros
Presolve removed 20 rows and 20 columns
Presolve time: 0.00s
Presolved: 260 rows, 4140 columns, 8260 nonzeros
Variable types: 4140 continuous, 0 integer (0 binary)

Root relaxation: objective 4.370285e+04, 484 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
H    0     0                    44033.613407 43702.8549  0.75%     -    0s
     0     2 43702.8549    0    2 44033.6134 43702.8549  0.75%     -    0s
*   16     4               8    44000.669969 43852.1529  0.34%  13.1    0s
*   38     0               5    43899.817028 43899.8170   0.0%   9.2    0s

Explored 39 nodes (835 simplex iterations) in 0.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.389981702769e+04, best bound 4.389981702769e+04, gap 0.0%