Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:53:22 2013

Optimize a model with 14234 rows, 1936 columns and 43560 nonzeros
Presolve removed 1424 rows and 978 columns
Presolve time: 0.10s
Presolved: 12810 rows, 958 columns, 39370 nonzeros
Variable types: 23 continuous, 935 integer (935 binary)
Found heuristic solution: objective 36998.000000

Root relaxation: objective 2.544556e+04, 7236 iterations, 0.38 seconds

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

     0     0 25445.5598    0    9 36998.0000 25445.5598  31.2%     -    0s
H    0     0                    25459.000000 25445.5598  0.05%     -    0s
H    0     0                    25455.000000 25445.5598  0.04%     -    0s
     0     0 25446.2249    0   21 25455.0000 25446.2249  0.03%     -    0s
     0     0 25446.2249    0   11 25455.0000 25446.2249  0.03%     -    0s
     0     0 25446.2249    0   21 25455.0000 25446.2249  0.03%     -    0s
     0     2 25446.4545    0   15 25455.0000 25446.4545  0.03%     -    0s
H    1     2                    25454.000000 25446.4545  0.03%  30.0    0s
H    6     5                    25451.000000 25446.4545  0.02%   5.0    0s

Cutting planes:
  Gomory: 6
  Cover: 41
  Implied bound: 3
  MIR: 52
  GUB cover: 2
  Zero half: 25

Explored 378 nodes (21637 simplex iterations) in 1.41 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.545100000000e+04, best bound 2.544900000000e+04, gap 0.0079%