Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:13 2012

Optimize a model with 143 rows, 106 columns and 461 nonzeros
Presolve time: 0.00s
Presolved: 143 rows, 106 columns, 461 nonzeros
Variable types: 0 continuous, 106 integer (106 binary)
Found heuristic solution: objective 33.0000000
Found heuristic solution: objective 26.0000000

Root relaxation: objective 0.000000e+00, 61 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   35   26.00000    0.00000   100%     -    0s
H    0     0                      23.0000000    0.00000   100%     -    0s
H    0     0                      22.0000000    0.00000   100%     -    0s
     0     0    0.67253    0   36   22.00000    0.67253  96.9%     -    0s
H    0     0                      19.0000000    0.67253  96.5%     -    0s
     0     0    1.22076    0   41   19.00000    1.22076  93.6%     -    0s
     0     0    1.24117    0   42   19.00000    1.24117  93.5%     -    0s
     0     2    1.32546    0   42   19.00000    1.32546  93.0%     -    0s
*   14    14               8      16.0000000    4.63304  71.0%  24.2    0s
*   47    18               9      15.0000000    6.79670  54.7%  16.5    0s

Cutting planes:
  Gomory: 3
  Zero half: 5
  Mod-K: 1

Explored 145 nodes (2346 simplex iterations) in 0.10 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%