Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:36 2013

Optimize a model with 200 rows, 1110 columns and 2380 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.00s
Presolved: 190 rows, 1100 columns, 2320 nonzeros
Variable types: 1070 continuous, 30 integer (30 binary)

Root relaxation: objective 1.791602e+04, 135 iterations, 0.00 seconds

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

     0     0 17916.0191    0    6          - 17916.0191     -      -    0s
     0     0 17928.5456    0    5          - 17928.5456     -      -    0s
     0     0 17928.9474    0    6          - 17928.9474     -      -    0s
     0     0 17928.9474    0    6          - 17928.9474     -      -    0s
     0     0 17928.9474    0    6          - 17928.9474     -      -    0s
H    0     0                    18033.897744 17928.9474  0.58%     -    0s
H    0     0                    17983.462780 17928.9474  0.30%     -    0s
     0     1 17975.5858    0    3 17983.4628 17975.5858  0.04%     -    0s

Cutting planes:
  Gomory: 3
  Flow cover: 5

Explored 3 nodes (247 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.798346278037e+04, best bound 1.798277557591e+04, gap 0.0038%