Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:43:31 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 7.672886e+05, 7343 iterations, 0.57 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     -      -    0s
H    0     0                    779352.98914 767288.564  1.55%     -    1s
     0     2 767288.564    0    3 779352.989 767288.564  1.55%     -    3s
    20    22 775485.194   10    2 779352.989 767812.496  1.48%   127    5s
*   55    11              28    768355.73903 767812.496  0.07%  59.6    6s
*   56     6              28    768355.28605 767812.496  0.07%  58.6    6s

Explored 75 nodes (10880 simplex iterations) in 6.65 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.683552860484e+05, best bound 7.683476007923e+05, gap 0.0010%