Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:17:06 2013

Optimize a model with 800 rows, 25400 columns and 50850 nonzeros
Presolve removed 100 rows and 150 columns
Presolve time: 0.07s
Presolved: 700 rows, 25250 columns, 50500 nonzeros
Variable types: 25200 continuous, 50 integer (50 binary)

Root relaxation: objective 1.626233e+05, 2134 iterations, 0.05 seconds

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

     0     0 162623.326    0    5          - 162623.326     -      -    0s
H    0     0                    173948.67734 162623.326  6.51%     -    0s
H    0     0                    163774.06075 162623.326  0.70%     -    0s
     0     0 162694.905    0    5 163774.061 162694.905  0.66%     -    0s
     0     0 162716.415    0    6 163774.061 162716.415  0.65%     -    0s
     0     0 162727.431    0    5 163774.061 162727.431  0.64%     -    0s
     0     0 162731.137    0    4 163774.061 162731.137  0.64%     -    0s
     0     0 162731.455    0    4 163774.061 162731.455  0.64%     -    0s
     0     0 162731.800    0    4 163774.061 162731.800  0.64%     -    0s
     0     0 162731.940    0    4 163774.061 162731.940  0.64%     -    0s
     0     0 162731.985    0    4 163774.061 162731.985  0.64%     -    0s
     0     0 162732.587    0    4 163774.061 162732.587  0.64%     -    0s
     0     0 162732.962    0    4 163774.061 162732.962  0.64%     -    1s
     0     0 162733.148    0    4 163774.061 162733.148  0.64%     -    1s
     0     0 162733.633    0    4 163774.061 162733.633  0.64%     -    1s
     0     0 162734.437    0    4 163774.061 162734.437  0.63%     -    1s
     0     0 162734.437    0    4 163774.061 162734.437  0.63%     -    1s
     0     0 162736.573    0    4 163774.061 162736.573  0.63%     -    1s
     0     0 162736.743    0    4 163774.061 162736.743  0.63%     -    1s
     0     0 162736.743    0    4 163774.061 162736.743  0.63%     -    1s
     0     0 162736.743    0    4 163774.061 162736.743  0.63%     -    1s
H    0     0                    163537.80026 162736.743  0.49%     -    1s
     0     2 162737.351    0    4 163537.800 162737.351  0.49%     -    1s
*   12     3              10    162910.04610 162863.320  0.03%  28.3    2s
*   14     2              11    162887.15892 162863.320  0.01%  24.8    2s

Cutting planes:
  Flow cover: 24

Explored 16 nodes (3104 simplex iterations) in 2.13 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.628871589165e+05, best bound 1.628859752393e+05, gap 0.0007%