Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:16:18 2013

Optimize a model with 180 rows, 1070 columns and 2190 nonzeros
Presolve removed 30 rows and 20 columns
Presolve time: 0.00s
Presolved: 150 rows, 1050 columns, 2110 nonzeros
Variable types: 1040 continuous, 10 integer (10 binary)

Root relaxation: objective 1.836170e+04, 102 iterations, 0.00 seconds

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

     0     0 18361.7044    0    1          - 18361.7044     -      -    0s
     0     0 18380.6156    0    3          - 18380.6156     -      -    0s
     0     0 18394.5257    0    2          - 18394.5257     -      -    0s
     0     0 18395.6403    0    3          - 18395.6403     -      -    0s
     0     0 18395.6403    0    3          - 18395.6403     -      -    0s
H    0     0                    18412.148777 18395.6403  0.09%     -    0s
     0     0 18412.1488    0    2 18412.1488 18412.1488   0.0%     -    0s

Cutting planes:
  Gomory: 2
  Flow cover: 1

Explored 1 nodes (184 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.841214877658e+04, best bound 1.841214877658e+04, gap 0.0%