Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:33 2013

Optimize a model with 190 rows, 1170 columns and 2410 nonzeros
Presolve removed 20 rows and 30 columns
Presolve time: 0.00s
Presolved: 170 rows, 1140 columns, 2280 nonzeros
Variable types: 1100 continuous, 40 integer (40 binary)

Root relaxation: objective 2.162324e+04, 154 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 21654.5465    0    3          - 21654.5465     -      -    0s
     0     0 21654.8381    0    3          - 21654.8381     -      -    0s
     0     0 21666.4238    0    3          - 21666.4238     -      -    0s
     0     0 21666.4238    0    3          - 21666.4238     -      -    0s
H    0     0                    21755.839828 21666.4238  0.41%     -    0s
     0     1 21754.6696    0    1 21755.8398 21754.6696  0.01%     -    0s

Cutting planes:
  Gomory: 2
  Flow cover: 2

Explored 1 nodes (214 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.175583982773e+04, best bound 2.175466963424e+04, gap 0.0054%