Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:16:56 2013

Optimize a model with 900 rows, 25300 columns and 50850 nonzeros
Presolve removed 200 rows and 150 columns
Presolve time: 0.25s
Presolved: 700 rows, 25150 columns, 50450 nonzeros
Variable types: 25100 continuous, 50 integer (50 binary)

Root relaxation: objective 1.749223e+05, 1126 iterations, 0.08 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
H    0     0                    181970.74324 174922.321  3.87%     -    0s
H    0     0                    181818.91522 174922.321  3.79%     -    0s
H    0     0                    180879.53353 174922.321  3.29%     -    0s
H    0     0                    175375.29777 174922.321  0.26%     -    0s
     0     0 174951.981    0    1 175375.298 174951.981  0.24%     -    0s
     0     2 175049.009    0    1 175375.298 175049.009  0.19%     -    0s

Explored 3 nodes (1266 simplex iterations) in 0.73 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.753752977696e+05, best bound 1.753752977696e+05, gap 0.0%