Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:16:04 2013

Optimize a model with 440 rows, 4760 columns and 10980 nonzeros
Presolve removed 20 rows and 260 columns
Presolve time: 0.01s
Presolved: 420 rows, 4500 columns, 10580 nonzeros
Variable types: 4420 continuous, 80 integer (80 binary)

Root relaxation: objective 3.573401e+04, 495 iterations, 0.01 seconds

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

     0     0 35734.0139    0    6          - 35734.0139     -      -    0s
     0     0 35758.1674    0    6          - 35758.1674     -      -    0s
     0     0 35758.2664    0    6          - 35758.2664     -      -    0s
     0     0 35759.6083    0    6          - 35759.6083     -      -    0s
     0     0 35766.4037    0    6          - 35766.4037     -      -    0s
     0     0 35770.4448    0    6          - 35770.4448     -      -    0s
     0     0 35771.0715    0    6          - 35771.0715     -      -    0s
     0     0 35771.1109    0    6          - 35771.1109     -      -    0s
     0     0 35771.3345    0    6          - 35771.3345     -      -    0s
     0     0 35771.3345    0    6          - 35771.3345     -      -    0s
H    0     0                    36173.213881 35771.3345  1.11%     -    0s
     0     2 35777.3636    0    6 36173.2139 35777.3636  1.09%     -    0s

Cutting planes:
  Flow cover: 17

Explored 20 nodes (1260 simplex iterations) in 0.24 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.617321388123e+04, best bound 3.617321388123e+04, gap 0.0%