Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:13:46 2012

Optimize a model with 167 rows, 143 columns and 558 nonzeros
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 167 rows, 142 columns, 557 nonzeros
Variable types: 0 continuous, 142 integer (141 binary)
Found heuristic solution: objective 27.0000000

Root relaxation: objective 0.000000e+00, 86 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   56   27.00000    0.00000   100%     -    0s
H    0     0                      24.0000000    0.00000   100%     -    0s
     0     0    0.50298    0   57   24.00000    0.50298  97.9%     -    0s
     0     0    1.00000    0   59   24.00000    1.00000  95.8%     -    0s
     0     0    1.00000    0   60   24.00000    1.00000  95.8%     -    0s
     0     0    1.00000    0   59   24.00000    1.00000  95.8%     -    0s
H    0     0                      19.0000000    1.00000  94.7%     -    0s
H    0     0                      16.0000000    1.00000  93.8%     -    0s
     0     2    1.00000    0   58   16.00000    1.00000  93.8%     -    0s
*   24    14              18      10.0000000    1.96401  80.4%  24.4    0s
*   38    14               9       9.0000000    1.99030  77.9%  24.3    0s
*   59    10               8       8.0000000    4.64286  42.0%  19.0    0s

Cutting planes:
  Gomory: 2

Explored 81 nodes (1904 simplex iterations) in 0.10 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%