Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:17:44 2013

Optimize a model with 1159 rows, 361 columns and 3610 nonzeros
Presolve removed 263 rows and 185 columns
Presolve time: 0.01s
Presolved: 896 rows, 176 columns, 2847 nonzeros
Variable types: 10 continuous, 166 integer (166 binary)
Found heuristic solution: objective 6937.0000000

Root relaxation: objective 5.471216e+03, 512 iterations, 0.01 seconds

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

     0     0 5471.21622    0    6 6937.00000 5471.21622  21.1%     -    0s
H    0     0                    5499.0000000 5471.21622  0.51%     -    0s
H    0     0                    5483.0000000 5471.21622  0.21%     -    0s
     0     0 5472.49784    0   15 5483.00000 5472.49784  0.19%     -    0s
     0     0 5472.49784    0    6 5483.00000 5472.49784  0.19%     -    0s
     0     0 5473.03618    0   18 5483.00000 5473.03618  0.18%     -    0s
     0     1 5473.06613    0   18 5483.00000 5473.06613  0.18%     -    0s

Cutting planes:
  Gomory: 4
  MIR: 7
  Zero half: 1

Explored 23 nodes (835 simplex iterations) in 0.06 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.483000000000e+03, best bound 5.483000000000e+03, gap 0.0%