Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:04:22 2013

Optimize a model with 1400 rows, 150300 columns and 350400 nonzeros
Presolve removed 100 rows and 100 columns
Presolve time: 0.23s
Presolved: 1300 rows, 150200 columns, 300300 nonzeros
Variable types: 150200 continuous, 0 integer (0 binary)

Root relaxation: objective 7.672886e+05, 9030 iterations, 0.77 seconds

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

     0     0 767288.564    0    3          - 767288.564     -      -    1s
     0     2 767288.564    0    3          - 767288.564     -      -    5s
*   55     9              28    768348.89426 767812.496  0.07%  81.0    9s
    57     5 767857.706    2    1 768348.894 767812.496  0.07%  79.3   10s

Explored 75 nodes (13800 simplex iterations) in 10.65 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.683488942622e+05, best bound 7.683488942622e+05, gap 0.0000%