Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:42 2013

Optimize a model with 480 rows, 5420 columns and 14620 nonzeros
Presolve removed 20 rows and 500 columns
Presolve time: 0.02s
Presolved: 460 rows, 4920 columns, 13820 nonzeros
Variable types: 4820 continuous, 100 integer (100 binary)

Root relaxation: objective 3.573401e+04, 467 iterations, 0.02 seconds

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

     0     0 35734.0139    0    9          - 35734.0139     -      -    0s
     0     0 35752.0071    0    9          - 35752.0071     -      -    0s
     0     0 35752.6445    0    9          - 35752.6445     -      -    0s
     0     0 35752.9959    0    9          - 35752.9959     -      -    0s
     0     0 35754.5357    0    9          - 35754.5357     -      -    0s
     0     0 35754.9483    0    9          - 35754.9483     -      -    0s
     0     0 35755.7932    0    9          - 35755.7932     -      -    0s
     0     0 35756.1295    0    9          - 35756.1295     -      -    0s
     0     0 35756.1420    0    9          - 35756.1420     -      -    0s
     0     0 35756.1420    0    9          - 35756.1420     -      -    0s
     0     0 35756.1420    0    9          - 35756.1420     -      -    0s
H    0     0                    36173.352826 35756.1420  1.15%     -    0s
     0     2 35757.1151    0    9 36173.3528 35757.1151  1.15%     -    0s

Cutting planes:
  Flow cover: 13

Explored 24 nodes (1298 simplex iterations) in 0.40 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.617335282586e+04, best bound 3.617054028347e+04, gap 0.0078%