Gurobi 5.0.1 (linux64) logging started Fri Jan 18 06:09:59 2013

Optimize a model with 700 rows, 50150 columns and 125200 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 0.16s
Presolved: 650 rows, 50100 columns, 100150 nonzeros
Variable types: 50100 continuous, 0 integer (0 binary)

Root relaxation: objective 1.715514e+05, 2338 iterations, 0.11 seconds

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

     0     0 171551.420    0    2          - 171551.420     -      -    0s
H    0     0                    171614.67568 171551.420  0.04%     -    0s
     0     2 171551.420    0    2 171614.676 171551.420  0.04%     -    1s
*   18     0               9    171584.76124 171584.761   0.0%   1.3    1s

Explored 19 nodes (2361 simplex iterations) in 1.36 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.715847612416e+05, best bound 1.715847612416e+05, gap 0.0%