Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:51:55 2013

Optimize a model with 1400 rows, 101300 columns and 203400 nonzeros
Presolve removed 100 rows and 100 columns
Presolve time: 0.29s
Presolved: 1300 rows, 101200 columns, 202300 nonzeros
Variable types: 101200 continuous, 0 integer (0 binary)

Root relaxation: objective 7.543716e+05, 6265 iterations, 0.86 seconds

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

     0     0 754371.571    0    4          - 754371.571     -      -    1s
H    0     0                    846215.37606 754371.571  10.9%     -    2s
     0     2 754371.571    0    4 846215.376 754371.571  10.9%     -    3s
     6     8 754789.095    3    2 846215.376 754769.728  10.8%   287    5s
    19    21 755313.174   10    2 846215.376 754769.728  10.8%   294   10s
    40    42 759160.520   20    1 846215.376 754769.728  10.8%   261   15s
    60    62 776239.869   30    1 846215.376 754769.728  10.8%   257   20s
*   74    20              37    756224.67995 754769.728  0.19%   220   21s
   145    17 755096.581    8    1 756224.680 754769.728  0.19%   121   25s
*  174    12              23    755729.74415 754769.728  0.13%   104   26s
*  186    12              29    755679.58081 754769.728  0.12%  97.4   26s
   225    11 755448.891    6    1 755679.581 755316.076  0.05%  92.1   30s

Explored 253 nodes (27824 simplex iterations) in 31.50 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.556795808113e+05, best bound 7.556447027981e+05, gap 0.0046%