Gurobi 5.0.1 (linux64) logging started Mon Feb  4 17:08:40 2013

Optimize a model with 4991 rows, 961 columns and 15376 nonzeros
Presolve removed 622 rows and 483 columns
Presolve time: 0.03s
Presolved: 4369 rows, 478 columns, 13611 nonzeros
Variable types: 18 continuous, 460 integer (460 binary)
Found heuristic solution: objective 20281.000000
Found heuristic solution: objective 19056.000000

Root relaxation: objective 1.436310e+04, 2984 iterations, 0.07 seconds

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

     0     0 14363.0968    0    8 19056.0000 14363.0968  24.6%     -    0s
H    0     0                    14385.000000 14363.0968  0.15%     -    0s
H    0     0                    14378.000000 14363.0968  0.10%     -    0s
     0     0 14364.0000    0   18 14378.0000 14364.0000  0.10%     -    0s
     0     0 14364.0000    0    9 14378.0000 14364.0000  0.10%     -    0s
H    0     0                    14377.000000 14364.0000  0.09%     -    0s
     0     0 14364.0000    0   19 14377.0000 14364.0000  0.09%     -    0s
     0     2 14364.0000    0   17 14377.0000 14364.0000  0.09%     -    0s
H    1     2                    14375.000000 14364.0000  0.08%  21.0    0s
H   98    38                    14374.000000 14366.6276  0.05%  15.9    0s

Cutting planes:
  Gomory: 10
  Cover: 18
  Implied bound: 7
  MIR: 41
  Zero half: 17
  Mod-K: 1

Explored 306 nodes (8422 simplex iterations) in 0.50 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.437400000000e+04, best bound 1.437300000000e+04, gap 0.0070%