Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:25 2013

Optimize a model with 240 rows, 1280 columns and 3590 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.00s
Presolved: 230 rows, 1270 columns, 3380 nonzeros
Variable types: 1220 continuous, 50 integer (50 binary)

Root relaxation: objective 2.162324e+04, 130 iterations, 0.00 seconds

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

     0     0 21623.2446    0    6          - 21623.2446     -      -    0s
     0     0 21629.3630    0    8          - 21629.3630     -      -    0s
     0     0 21651.7541    0   10          - 21651.7541     -      -    0s
     0     0 21651.7541    0   10          - 21651.7541     -      -    0s
H    0     0                    21839.573965 21651.7541  0.86%     -    0s
     0     2 21738.6948    0    7 21839.5740 21738.6948  0.46%     -    0s
*    5     2               5    21760.845295 21749.9884  0.05%  14.8    0s
*    8     2               5    21759.198219 21749.9884  0.04%  11.0    0s

Cutting planes:
  Gomory: 2
  Flow cover: 2

Explored 20 nodes (409 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.175919821855e+04, best bound 2.175876162034e+04, gap 0.0020%