Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:40:43 2013

Optimize a model with 260 rows, 2360 columns and 11130 nonzeros
Presolve removed 10 rows and 290 columns
Presolve time: 0.01s
Presolved: 250 rows, 2070 columns, 10130 nonzeros
Variable types: 2010 continuous, 60 integer (60 binary)

Root relaxation: objective 2.162324e+04, 172 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 21625.8546    0   12          - 21625.8546     -      -    0s
     0     0 21651.3353    0   11          - 21651.3353     -      -    0s
     0     0 21651.3353    0   11          - 21651.3353     -      -    0s
H    0     0                    21904.994063 21651.3353  1.16%     -    0s
     0     2 21710.8375    0   11 21904.9941 21710.8375  0.89%     -    0s
*   14    12              12    21759.185397 21742.3033  0.08%   7.1    0s

Cutting planes:
  Gomory: 3
  Flow cover: 2

Explored 69 nodes (561 simplex iterations) in 0.13 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.175918539669e+04, best bound 2.175912105485e+04, gap 0.0003%