Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:06:16 2012

Optimize a model with 417 rows, 411 columns and 1451 nonzeros
Presolve removed 0 rows and 20 columns
Presolve time: 0.00s
Presolved: 417 rows, 391 columns, 1431 nonzeros
Variable types: 0 continuous, 391 integer (390 binary)
Found heuristic solution: objective 83.0000000

Root relaxation: objective 0.000000e+00, 237 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  171   83.00000    0.00000   100%     -    0s
H    0     0                      71.0000000    0.00000   100%     -    0s
H    0     0                      59.0000000    0.00000   100%     -    0s
H    0     0                      57.0000000    0.00000   100%     -    0s
     0     0    0.40698    0  174   57.00000    0.40698  99.3%     -    0s
H    0     0                      50.0000000    0.40698  99.2%     -    0s
     0     0    0.82979    0  175   50.00000    0.82979  98.3%     -    0s
H    0     0                      41.0000000    0.82979  98.0%     -    0s
H    0     0                      37.0000000    0.82979  97.8%     -    0s
     0     0    0.82979    0  175   37.00000    0.82979  97.8%     -    0s
H    0     0                      34.0000000    0.82979  97.6%     -    0s
H    0     0                      25.0000000    0.82979  96.7%     -    0s
     0     2    0.85718    0  175   25.00000    0.85718  96.6%     -    0s
*   53    18              34       9.0000000    1.00000  88.9%  25.6    0s

Cutting planes:
  Gomory: 3
  Zero half: 3

Explored 211 nodes (7862 simplex iterations) in 0.36 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%