Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:21:20 2013

Optimize a model with 1561 rows, 441 columns and 4851 nonzeros
Presolve removed 375 rows and 230 columns
Presolve time: 0.01s
Presolved: 1186 rows, 211 columns, 3736 nonzeros
Variable types: 10 continuous, 201 integer (201 binary)
Found heuristic solution: objective 7568.0000000
Found heuristic solution: objective 7273.0000000

Root relaxation: objective 5.393243e+03, 591 iterations, 0.01 seconds

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

     0     0 5393.24348    0    6 7273.00000 5393.24348  25.8%     -    0s
H    0     0                    5400.0000000 5393.24348  0.13%     -    0s
     0     0 5394.84282    0   12 5400.00000 5394.84282  0.10%     -    0s
     0     0 5394.84282    0    7 5400.00000 5394.84282  0.10%     -    0s
     0     0 5395.10840    0   17 5400.00000 5395.10840  0.09%     -    0s
     0     0 5395.95569    0   18 5400.00000 5395.95569  0.07%     -    0s
     0     0 5396.59949    0   16 5400.00000 5396.59949  0.06%     -    0s
     0     0 5396.86282    0   20 5400.00000 5396.86282  0.06%     -    0s
     0     0 5397.00937    0   23 5400.00000 5397.00937  0.06%     -    0s
     0     0 5397.26349    0   21 5400.00000 5397.26349  0.05%     -    0s
     0     1 5397.57457    0   21 5400.00000 5397.57457  0.04%     -    0s

Cutting planes:
  Gomory: 3
  MIR: 12
  Zero half: 4

Explored 8 nodes (825 simplex iterations) in 0.06 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.400000000000e+03, best bound 5.400000000000e+03, gap 0.0%