Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:42:25 2013

Optimize a model with 5700 rows, 30100 columns and 70050 nonzeros
Presolve removed 150 rows and 100 columns
Presolve time: 0.37s
Presolved: 5550 rows, 30000 columns, 64900 nonzeros
Variable types: 27550 continuous, 2450 integer (2450 binary)

Root relaxation: objective 1.626233e+05, 6040 iterations, 0.32 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
     0     0 162713.992    0    5          - 162713.992     -      -    0s
     0     0 162736.075    0    4          - 162736.075     -      -    1s
     0     0 162736.075    0    4          - 162736.075     -      -    1s
     0     0 162736.075    0    4          - 162736.075     -      -    1s
H    0     0                    163801.85921 162736.075  0.65%     -    1s
     0     2 162738.170    0    4 163801.859 162738.170  0.65%     -    1s
H   54    27                    162943.66053 162803.254  0.09%   6.7    2s
H  149    55                    162938.51427 162852.126  0.05%   9.7    3s
*  152    36              32    162918.80946 162852.126  0.04%   9.9    3s
*  190    53              29    162918.79635 162857.451  0.04%   8.8    4s
*  294    78              28    162918.06266 162862.803  0.03%   7.8    4s
   325    73 162903.890   33    1 162918.063 162866.261  0.03%   8.2    5s

Cutting planes:
  Gomory: 3
  Flow cover: 16

Explored 703 nodes (12137 simplex iterations) in 7.42 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.629180626645e+05, best bound 1.629020340257e+05, gap 0.0098%