Gurobi 5.0.1 (linux64) logging started Mon Feb  4 17:34:24 2013

Optimize a model with 6579 rows, 1156 columns and 20230 nonzeros
Presolve removed 795 rows and 582 columns
Presolve time: 0.05s
Presolved: 5784 rows, 574 columns, 17969 nonzeros
Variable types: 20 continuous, 554 integer (554 binary)
Found heuristic solution: objective 20682.000000

Root relaxation: objective 1.463582e+04, 2646 iterations, 0.08 seconds

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

     0     0 14635.8182    0   11 20682.0000 14635.8182  29.2%     -    0s
H    0     0                    14646.000000 14635.8182  0.07%     -    0s
H    0     0                    14641.000000 14635.8182  0.04%     -    0s
     0     0 14636.0017    0   30 14641.0000 14636.0017  0.03%     -    0s
     0     0 14636.0017    0   13 14641.0000 14636.0017  0.03%     -    0s
     0     0 14636.0393    0   26 14641.0000 14636.0393  0.03%     -    0s
H    0     0                    14640.000000 14636.0393  0.03%     -    0s
     0     0 14636.8298    0   33 14640.0000 14636.8298  0.02%     -    0s
     0     2 14637.1610    0   33 14640.0000 14637.1610  0.02%     -    0s

Cutting planes:
  Gomory: 6
  Cover: 7
  MIR: 8
  GUB cover: 2
  Zero half: 7

Explored 8 nodes (3417 simplex iterations) in 0.31 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.464000000000e+04, best bound 1.464000000000e+04, gap 0.0%