Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:04:42 2013

Optimize a model with 2160 rows, 5030 columns and 16050 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.14s
Presolved: 2150 rows, 5020 columns, 14040 nonzeros
Variable types: 3020 continuous, 2000 integer (2000 binary)

Root relaxation: objective 2.387367e+04, 314 iterations, 0.01 seconds

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

     0     0 23873.6700    0    2          - 23873.6700     -      -    0s
     0     0 23884.4444    0    2          - 23884.4444     -      -    0s
     0     0 23888.3679    0    2          - 23888.3679     -      -    0s
     0     0 23888.4537    0    3          - 23888.4537     -      -    0s
     0     0 23891.2397    0    2          - 23891.2397     -      -    0s
     0     0 23891.2760    0    2          - 23891.2760     -      -    0s
     0     0 23892.5116    0    4          - 23892.5116     -      -    0s
     0     0 23893.5729    0    2          - 23893.5729     -      -    0s
     0     0 23893.7485    0    6          - 23893.7485     -      -    0s
     0     0 23895.5652    0    2          - 23895.5652     -      -    0s
     0     0 23895.5652    0    2          - 23895.5652     -      -    0s
     0     2 23895.5652    0    2          - 23895.5652     -      -    0s
*   15     5               8    23950.729422 23950.7288  0.00%  13.5    0s

Cutting planes:
  Gomory: 1
  Implied bound: 15
  Flow cover: 1

Explored 16 nodes (728 simplex iterations) in 0.73 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.395072942228e+04, best bound 2.395072884219e+04, gap 0.0000%