Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:35 2013

Optimize a model with 210 rows, 1130 columns and 2400 nonzeros
Presolve removed 20 rows and 20 columns
Presolve time: 0.00s
Presolved: 190 rows, 1110 columns, 2330 nonzeros
Variable types: 1070 continuous, 40 integer (40 binary)

Root relaxation: objective 1.997658e+04, 101 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    2          - 19976.5790     -      -    0s
     0     0 19999.7153    0    2          - 19999.7153     -      -    0s
     0     0 20020.8872    0    2          - 20020.8872     -      -    0s
     0     0 20033.9580    0    2          - 20033.9580     -      -    0s
     0     0 20034.9174    0    2          - 20034.9174     -      -    0s
     0     0 20034.9174    0    2          - 20034.9174     -      -    0s
     0     0 20034.9174    0    2          - 20034.9174     -      -    0s
H    0     0                    20794.394106 20034.9174  3.65%     -    0s
     0     2 20042.2188    0    2 20794.3941 20042.2188  3.62%     -    0s
*    3     3               2    20184.435784 20135.6901  0.24%  12.0    0s
*    5     1               4    20156.328750 20156.3288   0.0%   9.8    0s

Cutting planes:
  Gomory: 1
  Flow cover: 4

Explored 6 nodes (216 simplex iterations) in 0.04 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%