Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:55:21 2013

Optimize a model with 23478 rows, 2704 columns and 71656 nonzeros
Presolve removed 3253 rows and 1395 columns
Presolve time: 0.17s
Presolved: 20225 rows, 1309 columns, 61848 nonzeros
Variable types: 24 continuous, 1285 integer (1285 binary)
Found heuristic solution: objective 49618.000000

Root relaxation: objective 3.532941e+04, 12171 iterations, 0.77 seconds

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

     0     0 35329.4103    0   13 49618.0000 35329.4103  28.8%     -    1s
H    0     0                    35353.000000 35329.4103  0.07%     -    1s
H    0     0                    35349.000000 35329.4103  0.06%     -    1s
H    0     0                    35340.000000 35329.4103  0.03%     -    1s
     0     0 35329.8814    0   23 35340.0000 35329.8814  0.03%     -    1s
     0     0 35329.8814    0   15 35340.0000 35329.8814  0.03%     -    1s
     0     0 35330.0515    0   32 35340.0000 35330.0515  0.03%     -    1s
     0     0 35330.6242    0   41 35340.0000 35330.6242  0.03%     -    1s
     0     0 35330.9678    0   44 35340.0000 35330.9678  0.03%     -    1s
     0     0 35331.1155    0   48 35340.0000 35331.1155  0.03%     -    1s
     0     0 35331.1699    0   51 35340.0000 35331.1699  0.02%     -    1s
     0     0 35331.1954    0   50 35340.0000 35331.1954  0.02%     -    1s
     0     0 35331.2609    0   50 35340.0000 35331.2609  0.02%     -    1s
     0     2 35331.4961    0   50 35340.0000 35331.4961  0.02%     -    1s
H    1     2                    35336.000000 35331.4961  0.01%   2.0    1s

Cutting planes:
  Gomory: 3
  MIR: 36
  Zero half: 6

Explored 372 nodes (19994 simplex iterations) in 1.86 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.533600000000e+04, best bound 3.533300000000e+04, gap 0.0085%