Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:30:45 2013

Optimize a model with 2324 rows, 576 columns and 7200 nonzeros
Presolve removed 352 rows and 290 columns
Presolve time: 0.02s
Presolved: 1972 rows, 286 columns, 6189 nonzeros
Variable types: 13 continuous, 273 integer (273 binary)
Found heuristic solution: objective 9587.0000000

Root relaxation: objective 6.718750e+03, 1255 iterations, 0.02 seconds

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

     0     0 6718.75000    0    9 9587.00000 6718.75000  29.9%     -    0s
H    0     0                    6742.0000000 6718.75000  0.34%     -    0s
H    0     0                    6732.0000000 6718.75000  0.20%     -    0s
     0     0 6718.75000    0    9 6732.00000 6718.75000  0.20%     -    0s
     0     0 6718.75000    0    9 6732.00000 6718.75000  0.20%     -    0s
     0     0 6718.75000    0   21 6732.00000 6718.75000  0.20%     -    0s
     0     0 6718.75000    0   20 6732.00000 6718.75000  0.20%     -    0s
     0     2 6718.75000    0   20 6732.00000 6718.75000  0.20%     -    0s
H    1     2                    6727.0000000 6718.75000  0.12%  30.0    0s
H   43    21                    6725.0000000 6720.80378  0.06%  27.9    0s

Cutting planes:
  Gomory: 2
  Clique: 1
  MIR: 54
  Zero half: 9

Explored 397 nodes (7517 simplex iterations) in 0.39 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.725000000000e+03, best bound 6.725000000000e+03, gap 0.0%