Gurobi 5.0.1 (linux64) logging started Fri Jan 18 06:10:20 2013

Optimize a model with 700 rows, 50150 columns and 125200 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 0.08s
Presolved: 650 rows, 50100 columns, 100150 nonzeros
Variable types: 50100 continuous, 0 integer (0 binary)

Root relaxation: objective 1.749223e+05, 2157 iterations, 0.12 seconds

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

     0     0 174922.321    0    2          - 174922.321     -      -    0s
     0     2 174922.321    0    2          - 174922.321     -      -    0s
*   23    11              12    176767.92131 175399.797  0.77%  53.3    1s
*  411    43             125    176616.57058 175625.265  0.56%   5.9    4s
*  498     8              29    176230.64013 176124.301  0.06%   6.6    4s
*  525    23              41    176216.68075 176208.003  0.00%   6.3    4s

Explored 526 nodes (5476 simplex iterations) in 4.98 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.762166807453e+05, best bound 1.762080032112e+05, gap 0.0049%