Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:27:20 2013

Optimize a model with 2047 rows, 529 columns and 6348 nonzeros
Presolve removed 482 rows and 277 columns
Presolve time: 0.02s
Presolved: 1565 rows, 252 columns, 4894 nonzeros
Variable types: 10 continuous, 242 integer (242 binary)
Found heuristic solution: objective 10732.000000

Root relaxation: objective 7.771127e+03, 805 iterations, 0.01 seconds

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

     0     0 7771.12701    0    7 10732.0000 7771.12701  27.6%     -    0s
H    0     0                    7786.0000000 7771.12701  0.19%     -    0s
H    0     0                    7785.0000000 7771.12701  0.18%     -    0s
H    0     0                    7784.0000000 7771.12701  0.17%     -    0s
     0     0 7776.83655    0   17 7784.00000 7776.83655  0.09%     -    0s
     0     0 7776.83655    0    7 7784.00000 7776.83655  0.09%     -    0s
     0     0 7777.13265    0   17 7784.00000 7777.13265  0.09%     -    0s
H    0     0                    7783.0000000 7777.13265  0.08%     -    0s
     0     2 7777.97879    0   15 7783.00000 7777.97879  0.06%     -    0s

Cutting planes:
  Gomory: 3
  Cover: 2
  Implied bound: 1
  MIR: 2
  GUB cover: 1
  Zero half: 2

Explored 4 nodes (957 simplex iterations) in 0.07 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.783000000000e+03, best bound 7.783000000000e+03, gap 0.0%