Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:53:47 2013

Optimize a model with 16261 rows, 2116 columns and 49726 nonzeros
Presolve removed 1824 rows and 1078 columns
Presolve time: 0.10s
Presolved: 14437 rows, 1038 columns, 44214 nonzeros
Variable types: 21 continuous, 1017 integer (1017 binary)
Found heuristic solution: objective 36635.000000

Root relaxation: objective 2.924296e+04, 6875 iterations, 0.39 seconds

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

     0     0 29242.9593    0   15 36635.0000 29242.9593  20.2%     -    0s
H    0     0                    29260.000000 29242.9593  0.06%     -    0s
H    0     0                    29257.000000 29242.9593  0.05%     -    0s
     0     0 29243.9440    0   31 29257.0000 29243.9440  0.04%     -    0s
     0     0 29243.9440    0   16 29257.0000 29243.9440  0.04%     -    0s
     0     0 29243.9812    0   21 29257.0000 29243.9812  0.04%     -    0s
H    0     0                    29253.000000 29243.9812  0.03%     -    0s
     0     2 29244.0351    0   21 29253.0000 29244.0351  0.03%     -    0s
H   11     8                    29252.000000 29244.4874  0.03%   1.1    1s
H  284    74                    29249.000000 29245.9453  0.01%  17.2    1s

Cutting planes:
  Gomory: 11
  Cover: 7
  MIR: 32
  Zero half: 5

Explored 369 nodes (15662 simplex iterations) in 1.41 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.924900000000e+04, best bound 2.924700000000e+04, gap 0.0068%