Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:16:17 2013

Optimize a model with 160 rows, 1070 columns and 2190 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.00s
Presolved: 150 rows, 1060 columns, 2150 nonzeros
Variable types: 1050 continuous, 10 integer (10 binary)

Root relaxation: objective 2.162324e+04, 134 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    2          - 21623.2446     -      -    0s
     0     0 21660.0955    0    3          - 21660.0955     -      -    0s
     0     0 21676.5679    0    2          - 21676.5679     -      -    0s
     0     0 21678.2604    0    2          - 21678.2604     -      -    0s
     0     0 21678.2604    0    2          - 21678.2604     -      -    0s
     0     0 21699.3131    0    1          - 21699.3131     -      -    0s
     0     0 21699.3131    0    1          - 21699.3131     -      -    0s
H    0     0                    21741.249637 21699.3131  0.19%     -    0s
     0     0     cutoff    0      21741.2496 21741.2496   0.0%     -    0s

Cutting planes:
  Gomory: 1
  Implied bound: 1
  Flow cover: 3

Explored 1 nodes (240 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.174124963687e+04, best bound 2.174124963687e+04, gap 0.0%