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

Optimize a model with 160 rows, 1080 columns and 2170 nonzeros
Presolve removed 20 rows and 30 columns
Presolve time: 0.00s
Presolved: 140 rows, 1050 columns, 2100 nonzeros
Variable types: 1040 continuous, 10 integer (10 binary)

Root relaxation: objective 2.199252e+04, 103 iterations, 0.01 seconds

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

     0     0 21992.5209    0    2          - 21992.5209     -      -    0s
     0     0 22052.6915    0    2          - 22052.6915     -      -    0s
     0     0 22067.5041    0    2          - 22067.5041     -      -    0s
     0     0 22070.4921    0    3          - 22070.4921     -      -    0s
     0     0 22073.6203    0    3          - 22073.6203     -      -    0s
     0     0 22073.6203    0    3          - 22073.6203     -      -    0s
H    0     0                    22116.474256 22073.6203  0.19%     -    0s
     0     0     cutoff    0      22116.4743 22116.4743   0.0%     -    0s

Cutting planes:
  Gomory: 3
  Flow cover: 2

Explored 1 nodes (137 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.211647425565e+04, best bound 2.211647425565e+04, gap 0.0%