Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:36 2013

Optimize a model with 200 rows, 1110 columns and 2380 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.00s
Presolved: 190 rows, 1100 columns, 2320 nonzeros
Variable types: 1070 continuous, 30 integer (30 binary)

Root relaxation: objective 1.836170e+04, 117 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    2          - 18361.7044     -      -    0s
     0     0 18370.1201    0    5          - 18370.1201     -      -    0s
     0     0 18370.2487    0    4          - 18370.2487     -      -    0s
     0     0 18370.6893    0    4          - 18370.6893     -      -    0s
     0     0 18370.8333    0    4          - 18370.8333     -      -    0s
     0     0 18393.1378    0    8          - 18393.1378     -      -    0s
     0     0 18398.7779    0    6          - 18398.7779     -      -    0s
     0     0 18398.7779    0    6          - 18398.7779     -      -    0s
H    0     0                    18420.834144 18398.7779  0.12%     -    0s
H    0     0                    18416.528090 18398.7779  0.10%     -    0s
     0     0     cutoff    0      18416.5281 18416.5281   0.0%     -    0s

Cutting planes:
  Flow cover: 2

Explored 1 nodes (268 simplex iterations) in 0.06 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.841652809024e+04, best bound 1.841652809024e+04, gap 0.0%