Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:13 2012

Optimize a model with 143 rows, 125 columns and 480 nonzeros
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 143 rows, 124 columns, 479 nonzeros
Variable types: 0 continuous, 124 integer (123 binary)
Found heuristic solution: objective 27.0000000

Root relaxation: objective 0.000000e+00, 81 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   50   27.00000    0.00000   100%     -    0s
H    0     0                      26.0000000    0.00000   100%     -    0s
H    0     0                      23.0000000    0.00000   100%     -    0s
H    0     0                      19.0000000    0.00000   100%     -    0s
     0     0    0.88167    0   51   19.00000    0.88167  95.4%     -    0s
H    0     0                      17.0000000    0.88167  94.8%     -    0s
     0     0    1.06167    0   52   17.00000    1.06167  93.8%     -    0s
H    0     0                      15.0000000    1.06167  92.9%     -    0s
     0     0    1.23556    0   52   15.00000    1.23556  91.8%     -    0s
H    0     0                      12.0000000    1.23556  89.7%     -    0s
     0     0    1.24615    0   54   12.00000    1.24615  89.6%     -    0s
     0     0    1.24615    0   54   12.00000    1.24615  89.6%     -    0s
     0     2    1.26111    0   54   12.00000    1.26111  89.5%     -    0s
*   19     9              15      11.0000000    3.51388  68.1%  16.1    0s
*   32    14               8      10.0000000    3.65373  63.5%  15.4    0s
*   38     8               5       8.0000000    3.72051  53.5%  14.8    0s

Cutting planes:
  Gomory: 4
  Zero half: 3

Explored 54 nodes (1096 simplex iterations) in 0.08 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%