Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:55:40 2013

Optimize a model with 24857 rows, 2809 columns and 75843 nonzeros
Presolve removed 1947 rows and 1412 columns
Presolve time: 0.16s
Presolved: 22910 rows, 1397 columns, 70230 nonzeros
Variable types: 30 continuous, 1367 integer (1367 binary)
Found heuristic solution: objective 50277.000000

Root relaxation: objective 3.516369e+04, 16098 iterations, 1.14 seconds

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

     0     0 35163.6875    0   14 50277.0000 35163.6875  30.1%     -    1s
H    0     0                    35185.000000 35163.6875  0.06%     -    1s
H    0     0                    35179.000000 35163.6875  0.04%     -    1s
     0     0 35164.0000    0   26 35179.0000 35164.0000  0.04%     -    1s
     0     0 35164.0000    0   17 35179.0000 35164.0000  0.04%     -    1s
H    0     0                    35177.000000 35164.0000  0.04%     -    1s
     0     0 35164.0000    0   33 35177.0000 35164.0000  0.04%     -    2s
     0     2 35164.0000    0   33 35177.0000 35164.0000  0.04%     -    2s
H    1     2                    35176.000000 35164.0000  0.03%   161    2s
H   11     8                    35175.000000 35164.0000  0.03%  14.6    2s
H   11     7                    35170.000000 35164.0000  0.02%  14.6    2s
H  448   172                    35169.000000 35164.0000  0.01%  49.9    4s
   609   246 35166.2767   26   56 35169.0000 35164.0000  0.01%  48.9    5s
  3703  1161 35166.3125   41   22 35169.0000 35164.1818  0.01%  33.1   10s

Cutting planes:
  Gomory: 2
  MIR: 7
  Zero half: 2

Explored 10771 nodes (301596 simplex iterations) in 14.82 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.516900000000e+04, best bound 3.516600000000e+04, gap 0.0085%