Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:37:28 2013

Optimize a model with 1400 rows, 102300 columns and 206400 nonzeros
Presolve removed 100 rows and 100 columns
Presolve time: 0.27s
Presolved: 1300 rows, 102200 columns, 204300 nonzeros
Variable types: 102200 continuous, 0 integer (0 binary)

Root relaxation: objective 7.543716e+05, 8300 iterations, 0.69 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     -      -    1s
H    0     0                    982042.73564 754371.571  23.2%     -    1s
     0     2 754371.571    0    4 982042.736 754371.571  23.2%     -    2s
    14    16 759749.615    7    3 982042.736 754769.728  23.1%   256    5s
    56    58 760995.743   28    1 982042.736 754769.728  23.1%   183   10s
*  128    22              64    756809.63589 754769.728  0.27%   109   14s
   151    19 756460.811   76    1 756809.636 754769.728  0.27%  92.8   15s
*  255    17             128    756652.38394 754769.728  0.25%  55.2   17s
*  296    12              23    755729.74415 754769.728  0.13%  51.5   18s
*  308    12              29    755679.58081 754769.728  0.12%  49.5   18s
   335    11     cutoff    7      755679.581 755316.076  0.05%  49.6   20s

Explored 375 nodes (26200 simplex iterations) in 21.80 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%