Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:13:29 2012

Optimize a model with 191 rows, 154 columns and 629 nonzeros
Presolve time: 0.00s
Presolved: 191 rows, 154 columns, 629 nonzeros
Variable types: 0 continuous, 154 integer (154 binary)
Found heuristic solution: objective 46.0000000

Root relaxation: objective 0.000000e+00, 91 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   58   46.00000    0.00000   100%     -    0s
H    0     0                      34.0000000    0.00000   100%     -    0s
H    0     0                      32.0000000    0.00000   100%     -    0s
H    0     0                      30.0000000    0.00000   100%     -    0s
     0     0    0.53846    0   59   30.00000    0.53846  98.2%     -    0s
H    0     0                      22.0000000    0.53846  97.6%     -    0s
     0     0    0.58052    0   63   22.00000    0.58052  97.4%     -    0s
     0     0    0.58052    0   63   22.00000    0.58052  97.4%     -    0s
     0     2    0.59982    0   63   22.00000    0.59982  97.3%     -    0s
H   27    27                      19.0000000    2.56522  86.5%  17.9    0s
*   29    21              17      18.0000000    2.56522  85.7%  17.5    0s
*   49    26              13      16.0000000    2.64151  83.5%  17.5    0s
*  108    37               9      15.0000000    7.00000  53.3%  20.1    0s

Cutting planes:
  Gomory: 1
  Zero half: 1
  Mod-K: 1

Explored 326 nodes (6408 simplex iterations) in 0.19 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%