Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:57:29 2013

Optimize a model with 418 rows, 14478 columns and 28918 nonzeros
Presolve time: 0.02s
Presolved: 418 rows, 14478 columns, 28918 nonzeros
Variable types: 14440 continuous, 38 integer (38 binary)

Root relaxation: objective 3.435660e+04, 508 iterations, 0.01 seconds

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

     0     0 34356.6037    0    5          - 34356.6037     -      -    0s
H    0     0                    35465.000000 34356.6037  3.13%     -    0s
     0     0 34525.0975    0    4 35465.0000 34525.0975  2.65%     -    0s
H    0     0                    35115.000000 34525.0975  1.68%     -    0s
     0     0 34556.3120    0    4 35115.0000 34556.3120  1.59%     -    0s
     0     0 34557.1993    0    4 35115.0000 34557.1993  1.59%     -    0s
     0     0 34559.8554    0    3 35115.0000 34559.8554  1.58%     -    0s
H    0     0                    35083.000000 34559.8554  1.49%     -    0s
     0     0 34559.9458    0    3 35083.0000 34559.9458  1.49%     -    0s
H    0     0                    35077.000000 34559.9458  1.47%     -    0s
     0     0 34559.9458    0    3 35077.0000 34559.9458  1.47%     -    0s
H    0     0                    34954.000000 34559.9458  1.13%     -    0s
     0     2 34649.6070    0    3 34954.0000 34649.6070  0.87%     -    0s
*    5     3               5    34915.000000 34838.0217  0.22%  30.0    0s

Cutting planes:
  Implied bound: 54
  Flow cover: 3

Explored 9 nodes (855 simplex iterations) in 0.32 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.491500000000e+04, best bound 3.491373453997e+04, gap 0.0036%