Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:53:04 2012

Optimize a model with 181 rows, 108 columns and 558 nonzeros
Presolve time: 0.00s
Presolved: 181 rows, 108 columns, 558 nonzeros
Variable types: 0 continuous, 108 integer (108 binary)
Found heuristic solution: objective 44.0000000
Found heuristic solution: objective 43.0000000

Root relaxation: objective 0.000000e+00, 38 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   18   43.00000    0.00000   100%     -    0s
     0     0    0.93750    0   20   43.00000    0.93750  97.8%     -    0s
     0     0    0.93750    0   20   43.00000    0.93750  97.8%     -    0s
     0     0    1.06250    0   20   43.00000    1.06250  97.5%     -    0s
     0     0    1.06250    0   20   43.00000    1.06250  97.5%     -    0s
     0     0    1.06250    0   20   43.00000    1.06250  97.5%     -    0s
     0     0    1.06250    0   20   43.00000    1.06250  97.5%     -    0s
H    0     0                      39.0000000    1.06250  97.3%     -    0s
     0     2    1.12500    0   20   39.00000    1.12500  97.1%     -    0s
*  490   114              12      38.0000000   22.50000  40.8%  16.5    0s
*  492   111              10      37.0000000   22.50000  39.2%  16.4    0s
*  514   111              13      36.0000000   22.50000  37.5%  16.1    0s
*  516   103              11      35.0000000   22.50000  35.7%  16.1    0s

Cutting planes:
  Gomory: 1
  Zero half: 5

Explored 848 nodes (13076 simplex iterations) in 0.26 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.500000000000e+01, best bound 3.500000000000e+01, gap 0.0%