Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:41:17 2012

Optimize a model with 213 rows, 148 columns and 678 nonzeros
Presolve time: 0.00s
Presolved: 213 rows, 148 columns, 678 nonzeros
Variable types: 0 continuous, 148 integer (148 binary)
Found heuristic solution: objective 55.0000000
Found heuristic solution: objective 53.0000000

Root relaxation: objective 0.000000e+00, 80 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   42   53.00000    0.00000   100%     -    0s
H    0     0                      41.0000000    0.00000   100%     -    0s
H    0     0                      33.0000000    0.00000   100%     -    0s
     0     0    0.62500    0   44   33.00000    0.62500  98.1%     -    0s
     0     0    0.90000    0   44   33.00000    0.90000  97.3%     -    0s
     0     0    0.90000    0   44   33.00000    0.90000  97.3%     -    0s
     0     0    0.95000    0   44   33.00000    0.95000  97.1%     -    0s
     0     0    0.95000    0   47   33.00000    0.95000  97.1%     -    0s
     0     0    0.95000    0   47   33.00000    0.95000  97.1%     -    0s
     0     2    0.95000    0   47   33.00000    0.95000  97.1%     -    0s
*   62    40              15      28.0000000    3.50000  87.5%  21.3    0s
*  154    92              11      27.0000000    8.54545  68.4%  21.0    0s
*  387   146              14      26.0000000   11.99130  53.9%  18.5    0s
*  932   110              27      25.0000000   18.00000  28.0%  18.4    0s

Cutting planes:
  Gomory: 1
  Zero half: 4

Explored 1081 nodes (19386 simplex iterations) in 0.61 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.500000000000e+01, best bound 2.500000000000e+01, gap 0.0%