Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:06:37 2012

Optimize a model with 1547 rows, 342 columns and 4894 nonzeros
Presolve removed 902 rows and 2 columns
Presolve time: 0.03s
Presolved: 645 rows, 340 columns, 3310 nonzeros
Variable types: 0 continuous, 340 integer (340 binary)
Found heuristic solution: objective 18.0000000

Root relaxation: objective 5.000000e+00, 1054 iterations, 0.04 seconds

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

     0     0    5.00000    0   72   18.00000    5.00000  72.2%     -    0s
H    0     0                      17.0000000    5.00000  70.6%     -    0s
H    0     0                      11.0000000    5.00000  54.5%     -    0s
     0     0    5.00000    0   38   11.00000    5.00000  54.5%     -    0s
H    0     0                      10.0000000    5.00000  50.0%     -    0s
H    0     0                       9.0000000    5.00000  44.4%     -    0s
H    0     0                       6.0000000    5.00000  16.7%     -    0s
     0     0    5.00000    0  139    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   56    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   63    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   57    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   28    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0  147    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0  147    6.00000    5.00000  16.7%     -    0s
     0     2    5.00000    0  147    6.00000    5.00000  16.7%     -    0s

Cutting planes:
  Gomory: 5
  Clique: 5
  Zero half: 39

Explored 10 nodes (12851 simplex iterations) in 1.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%