Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:34 2013

Optimize a model with 200 rows, 1210 columns and 2670 nonzeros
Presolve removed 10 rows and 70 columns
Presolve time: 0.00s
Presolved: 190 rows, 1140 columns, 2570 nonzeros
Variable types: 1110 continuous, 30 integer (30 binary)

Root relaxation: objective 1.791602e+04, 107 iterations, 0.00 seconds

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

     0     0 17916.0191    0    3          - 17916.0191     -      -    0s
     0     0 17932.1424    0    4          - 17932.1424     -      -    0s
     0     0 17932.5588    0    4          - 17932.5588     -      -    0s
     0     0 17933.5908    0    6          - 17933.5908     -      -    0s
     0     0 17933.5908    0    6          - 17933.5908     -      -    0s
     0     0 17933.5908    0    6          - 17933.5908     -      -    0s
H    0     0                    17983.462780 17933.5908  0.28%     -    0s
     0     2 17965.9232    0    4 17983.4628 17965.9232  0.10%     -    0s
*    4     2               4    17983.106726 17965.9232  0.10%   9.0    0s

Cutting planes:
  Gomory: 2
  Flow cover: 8

Explored 9 nodes (229 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.798310672580e+04, best bound 1.798310672580e+04, gap 0.0%