Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:55:51 2013

Optimize a model with 4089 rows, 841 columns and 12615 nonzeros
Presolve removed 497 rows and 420 columns
Presolve time: 0.02s
Presolved: 3592 rows, 421 columns, 11244 nonzeros
Variable types: 18 continuous, 403 integer (403 binary)
Found heuristic solution: objective 19482.000000

Root relaxation: objective 1.374788e+04, 3287 iterations, 0.08 seconds

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

     0     0 13747.8846    0    9 19482.0000 13747.8846  29.4%     -    0s
H    0     0                    13777.000000 13747.8846  0.21%     -    0s
H    0     0                    13774.000000 13747.8846  0.19%     -    0s
H    0     0                    13771.000000 13747.8846  0.17%     -    0s
     0     0 13747.8862    0   20 13771.0000 13747.8862  0.17%     -    0s
     0     0 13747.8862    0   10 13771.0000 13747.8862  0.17%     -    0s
H    0     0                    13767.000000 13747.8862  0.14%     -    0s
     0     0 13748.1491    0   24 13767.0000 13748.1491  0.14%     -    0s
H    0     0                    13763.000000 13748.1491  0.11%     -    0s
     0     2 13748.8940    0   24 13763.0000 13748.8940  0.10%     -    0s
H    1     2                    13758.000000 13748.8940  0.07%   3.0    0s

Cutting planes:
  Gomory: 1
  Implied bound: 1
  MIR: 5

Explored 209 nodes (5827 simplex iterations) in 0.29 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.375800000000e+04, best bound 1.375700000000e+04, gap 0.0073%