Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:43:02 2013

Optimize a model with 1400 rows, 105300 columns and 215400 nonzeros
Presolve removed 100 rows and 100 columns
Presolve time: 0.18s
Presolved: 1300 rows, 105200 columns, 210300 nonzeros
Variable types: 105200 continuous, 0 integer (0 binary)

Root relaxation: objective 7.543716e+05, 7388 iterations, 0.53 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     -      -    0s
H    0     0                    757599.71403 754371.571  0.43%     -    1s
     0     2 754371.571    0    4 757599.714 754371.571  0.43%     -    3s
    12    14 755874.966    6    1 757599.714 754769.728  0.37%   249    5s
   193    33 756474.198   97    1 757599.714 754769.728  0.37%  24.6   10s
*  351    21             176    756842.32256 754769.728  0.27%  13.9   12s
*  392    12              23    755729.74415 754769.728  0.13%  15.7   14s
*  412    16              33    755679.58081 754769.728  0.12%  15.0   14s
   420    12     cutoff    6      755679.581 755024.659  0.09%  16.2   15s

Explored 477 nodes (16448 simplex iterations) in 17.18 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%