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 1.997658e+04, 112 iterations, 0.00 seconds

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

     0     0 19976.5790    0    4          - 19976.5790     -      -    0s
     0     0 19997.1541    0    6          - 19997.1541     -      -    0s
     0     0 20000.5618    0    6          - 20000.5618     -      -    0s
     0     0 20001.1182    0    6          - 20001.1182     -      -    0s
     0     0 20001.8772    0    6          - 20001.8772     -      -    0s
     0     0 20062.6112    0    4          - 20062.6112     -      -    0s
     0     0 20062.6112    0    4          - 20062.6112     -      -    0s
H    0     0                    20156.328750 20062.6112  0.46%     -    0s
     0     1 20140.8795    0    1 20156.3288 20140.8795  0.08%     -    0s

Cutting planes:
  Gomory: 1
  Flow cover: 1

Explored 3 nodes (290 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.015632875028e+04, best bound 2.015632875028e+04, gap 0.0%