Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:53 2013

Optimize a model with 420 rows, 4260 columns and 8800 nonzeros
Presolve removed 40 rows and 40 columns
Presolve time: 0.01s
Presolved: 380 rows, 4220 columns, 8660 nonzeros
Variable types: 4140 continuous, 80 integer (80 binary)

Root relaxation: objective 3.600389e+04, 424 iterations, 0.01 seconds

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

     0     0 36003.8892    0    2          - 36003.8892     -      -    0s
     0     0 36066.7419    0    2          - 36066.7419     -      -    0s
     0     0 36072.5289    0    2          - 36072.5289     -      -    0s
     0     0 36074.6067    0    2          - 36074.6067     -      -    0s
     0     0 36077.0805    0    2          - 36077.0805     -      -    0s
     0     0 36079.6908    0    2          - 36079.6908     -      -    0s
     0     0 36080.0157    0    2          - 36080.0157     -      -    0s
     0     0 36080.5506    0    2          - 36080.5506     -      -    0s
     0     0 36080.7500    0    2          - 36080.7500     -      -    0s
     0     0 36080.7500    0    2          - 36080.7500     -      -    0s
H    0     0                    36199.703258 36080.7500  0.33%     -    0s
     0     0 36199.7033    0    1 36199.7033 36199.7033   0.0%     -    0s

Cutting planes:
  Flow cover: 10

Explored 1 nodes (605 simplex iterations) in 0.13 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.619970325776e+04, best bound 3.619970325776e+04, gap 0.0%