Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:44:34 2013

Optimize a model with 950 rows, 25850 columns and 52050 nonzeros
Presolve removed 100 rows and 150 columns
Presolve time: 0.13s
Presolved: 850 rows, 25700 columns, 51400 nonzeros
Variable types: 25500 continuous, 200 integer (200 binary)

Root relaxation: objective 1.626233e+05, 2140 iterations, 0.07 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 162694.525    0    5          - 162694.525     -      -    0s
     0     0 162716.329    0    6          - 162716.329     -      -    0s
     0     0 162723.449    0    5          - 162723.449     -      -    0s
     0     0 162726.883    0    4          - 162726.883     -      -    0s
     0     0 162727.808    0    4          - 162727.808     -      -    0s
     0     0 162728.040    0    4          - 162728.040     -      -    0s
     0     0 162728.865    0    4          - 162728.865     -      -    0s
     0     0 162728.922    0    4          - 162728.922     -      -    0s
     0     0 162729.347    0    4          - 162729.347     -      -    0s
     0     0 162729.347    0    4          - 162729.347     -      -    0s
H    0     0                    163649.33815 162729.347  0.56%     -    0s
     0     2 162732.527    0    3 163649.338 162732.527  0.56%     -    1s
H   27     8                    162972.97336 162861.229  0.07%  10.8    1s
*   48     7              11    162915.62300 162862.179  0.03%   7.3    1s

Cutting planes:
  Flow cover: 20

Explored 58 nodes (2948 simplex iterations) in 1.55 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.629156229963e+05, best bound 1.628995677352e+05, gap 0.0099%