Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:49:25 2013

Optimize a model with 2400 rows, 101200 columns and 204100 nonzeros
Presolve removed 400 rows and 300 columns
Presolve time: 0.83s
Presolved: 2000 rows, 100900 columns, 203000 nonzeros
Variable types: 100500 continuous, 400 integer (400 binary)

Root relaxation: objective 7.672886e+05, 6197 iterations, 1.51 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     -      -    2s
H    0     0                    926712.22000 767288.564  17.2%     -    3s
H    0     0                    775756.63503 767288.564  1.09%     -    4s
     0     2 767295.442    0    3 775756.635 767295.442  1.09%     -    6s
H    3     3                    770440.85361 767585.668  0.37%   218    6s
H    4     3                    768324.01239 767618.965  0.09%   206    7s

Explored 18 nodes (7774 simplex iterations) in 8.44 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.683240123860e+05, best bound 7.683240123860e+05, gap 0.0000%