Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:21:17 2012

Optimize a model with 223 rows, 178 columns and 733 nonzeros
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 223 rows, 177 columns, 732 nonzeros
Variable types: 0 continuous, 177 integer (176 binary)
Found heuristic solution: objective 44.0000000

Root relaxation: objective 0.000000e+00, 121 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   65   44.00000    0.00000   100%     -    0s
H    0     0                      31.0000000    0.00000   100%     -    0s
     0     0    0.49231    0   66   31.00000    0.49231  98.4%     -    0s
H    0     0                      27.0000000    0.49231  98.2%     -    0s
     0     0    1.10993    0   70   27.00000    1.10993  95.9%     -    0s
     0     0    1.11190    0   71   27.00000    1.11190  95.9%     -    0s
H    0     0                      26.0000000    1.11190  95.7%     -    0s
     0     2    1.11732    0   71   26.00000    1.11732  95.7%     -    0s
H   27    27                      23.0000000    4.17203  81.9%  24.7    0s
*   32    22              23      22.0000000    4.17203  81.0%  22.1    0s
*   47    23              12      15.0000000    4.78050  68.1%  22.9    0s

Cutting planes:
  Gomory: 3
  Zero half: 2

Explored 272 nodes (5818 simplex iterations) in 0.25 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.500000000000e+01, best bound 1.500000000000e+01, gap 0.0%