Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:13:32 2012

Optimize a model with 433 rows, 426 columns and 1506 nonzeros
Presolve removed 0 rows and 29 columns
Presolve time: 0.00s
Presolved: 433 rows, 397 columns, 1477 nonzeros
Variable types: 0 continuous, 397 integer (396 binary)
Found heuristic solution: objective 71.0000000

Root relaxation: objective 0.000000e+00, 267 iterations, 0.00 seconds

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

     0     0    0.00000    0  170   71.00000    0.00000   100%     -    0s
H    0     0                      56.0000000    0.00000   100%     -    0s
     0     0    0.23240    0  172   56.00000    0.23240   100%     -    0s
H    0     0                      43.0000000    0.23240  99.5%     -    0s
     0     0    0.67938    0  174   43.00000    0.67938  98.4%     -    0s
H    0     0                      37.0000000    0.67938  98.2%     -    0s
     0     0    0.68112    0  176   37.00000    0.68112  98.2%     -    0s
     0     0    0.68112    0  176   37.00000    0.68112  98.2%     -    0s
H    0     0                      24.0000000    0.68112  97.2%     -    0s
     0     2    0.68135    0  176   24.00000    0.68135  97.2%     -    0s
H   27    27                      13.0000000    1.00000  92.3%  35.7    0s
H  162    68                      10.0000000    2.05542  79.4%  25.4    0s
*  180    46               8       9.0000000    2.27119  74.8%  27.2    0s

Cutting planes:
  Gomory: 3
  Zero half: 2

Explored 417 nodes (11753 simplex iterations) in 0.45 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%