Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:10:12 2012

Optimize a model with 427 rows, 420 columns and 1485 nonzeros
Presolve removed 0 rows and 22 columns
Presolve time: 0.00s
Presolved: 427 rows, 398 columns, 1463 nonzeros
Variable types: 0 continuous, 398 integer (397 binary)
Found heuristic solution: objective 84.0000000

Root relaxation: objective 0.000000e+00, 233 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  176   84.00000    0.00000   100%     -    0s
H    0     0                      59.0000000    0.00000   100%     -    0s
H    0     0                      58.0000000    0.00000   100%     -    0s
H    0     0                      54.0000000    0.00000   100%     -    0s
     0     0    0.38054    0  178   54.00000    0.38054  99.3%     -    0s
H    0     0                      52.0000000    0.38054  99.3%     -    0s
H    0     0                      48.0000000    0.38054  99.2%     -    0s
     0     0    0.80669    0  180   48.00000    0.80669  98.3%     -    0s
H    0     0                      39.0000000    0.80669  97.9%     -    0s
     0     0    0.80792    0  182   39.00000    0.80792  97.9%     -    0s
     0     0    0.80792    0  181   39.00000    0.80792  97.9%     -    0s
H    0     0                      31.0000000    0.80792  97.4%     -    0s
H    0     0                      29.0000000    0.80792  97.2%     -    0s
     0     2    0.81347    0  181   29.00000    0.81347  97.2%     -    0s
H   27    20                      11.0000000    2.81685  74.4%  28.6    0s
H   54    21                       9.0000000    2.86532  68.2%  25.8    0s

Cutting planes:
  Gomory: 3
  Mod-K: 1

Explored 120 nodes (4326 simplex iterations) in 0.24 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%