Gurobi 5.0.1 (linux64) logging started Fri Jan 18 03:59:41 2013

Optimize a model with 1400 rows, 110300 columns and 230400 nonzeros
Presolve removed 100 rows and 100 columns
Presolve time: 0.25s
Presolved: 1300 rows, 110200 columns, 220300 nonzeros
Variable types: 110200 continuous, 0 integer (0 binary)

Root relaxation: objective 7.672886e+05, 7186 iterations, 0.69 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
H    0     0                    781346.42761 767288.564  1.80%     -    2s
     0     2 767288.564    0    3 781346.428 767288.564  1.80%     -    4s
     3     5 767838.591    2    1 781346.428 767330.517  1.79%   227    5s
*   51     7              26    768348.85148 767812.496  0.07%  74.6    7s

Explored 71 nodes (11357 simplex iterations) in 8.36 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.683488514786e+05, best bound 7.683488514786e+05, gap 0.0000%