Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:53:51 2013

Optimize a model with 16261 rows, 2116 columns and 49726 nonzeros
Presolve removed 2309 rows and 1091 columns
Presolve time: 0.12s
Presolved: 13952 rows, 1025 columns, 42797 nonzeros
Variable types: 22 continuous, 1003 integer (1003 binary)
Found heuristic solution: objective 46834.000000

Root relaxation: objective 3.461823e+04, 5765 iterations, 0.25 seconds

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

     0     0 34618.2269    0    9 46834.0000 34618.2269  26.1%     -    0s
H    0     0                    34629.000000 34618.2269  0.03%     -    0s
     0     0 34619.0000    0   11 34629.0000 34619.0000  0.03%     -    0s
     0     0 34619.0000    0   10 34629.0000 34619.0000  0.03%     -    0s
     0     0 34619.0000    0   13 34629.0000 34619.0000  0.03%     -    0s
H    0     0                    34627.000000 34619.0000  0.02%     -    0s
     0     2 34619.0000    0   13 34627.0000 34619.0000  0.02%     -    0s
H    9     7                    34626.000000 34619.0000  0.02%   6.6    0s
H   81    42                    34625.000000 34619.7077  0.02%  15.5    0s
*  307    59              29    34623.000000 34620.6261  0.01%  10.0    0s

Cutting planes:
  Gomory: 3
  MIR: 32
  Zero half: 3

Explored 308 nodes (9307 simplex iterations) in 0.83 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.462300000000e+04, best bound 3.462100000000e+04, gap 0.0058%