Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:49 2013

Optimize a model with 220 rows, 1170 columns and 2760 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.00s
Presolved: 210 rows, 1160 columns, 2650 nonzeros
Variable types: 1120 continuous, 40 integer (40 binary)

Root relaxation: objective 2.337984e+04, 144 iterations, 0.00 seconds

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

     0     0 23379.8401    0    3          - 23379.8401     -      -    0s
     0     0 23391.2478    0    4          - 23391.2478     -      -    0s
     0     0 23499.0637    0    6          - 23499.0637     -      -    0s
     0     0 23499.0637    0    6          - 23499.0637     -      -    0s
H    0     0                    23526.709807 23499.0637  0.12%     -    0s
     0     1 23504.1577    0    6 23526.7098 23504.1577  0.10%     -    0s

Cutting planes:
  Flow cover: 1

Explored 7 nodes (416 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.352670980679e+04, best bound 2.352670980679e+04, gap 0.0%