Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:53:03 2012

Optimize a model with 131 rows, 83 columns and 408 nonzeros
Presolve time: 0.00s
Presolved: 131 rows, 83 columns, 408 nonzeros
Variable types: 0 continuous, 83 integer (83 binary)
Found heuristic solution: objective 32.0000000

Root relaxation: objective 0.000000e+00, 27 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   32.00000    0.00000   100%     -    0s
     0     0    1.00000    0   20   32.00000    1.00000  96.9%     -    0s
     0     0    1.10000    0   20   32.00000    1.10000  96.6%     -    0s
H    0     0                      31.0000000    1.10000  96.5%     -    0s
     0     0    1.20000    0   21   31.00000    1.20000  96.1%     -    0s
     0     0    1.30000    0   20   31.00000    1.30000  95.8%     -    0s
     0     0    1.30000    0   20   31.00000    1.30000  95.8%     -    0s
     0     0    1.30000    0   20   31.00000    1.30000  95.8%     -    0s
     0     0    1.30000    0   20   31.00000    1.30000  95.8%     -    0s
H    0     0                      30.0000000    1.30000  95.7%     -    0s
     0     2    1.37143    0   20   30.00000    1.37143  95.4%     -    0s
*   23    17              14      29.0000000    4.93333  83.0%  16.0    0s
*   39    24              11      26.0000000    5.40000  79.2%  15.2    0s
*   77    32              10      25.0000000    8.80000  64.8%  13.1    0s
*  122    33              10      24.0000000   12.20000  49.2%  12.1    0s
*  159    28              10      22.0000000   13.33333  39.4%  11.3    0s

Cutting planes:
  Gomory: 1
  Zero half: 5

Explored 233 nodes (2474 simplex iterations) in 0.06 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.200000000000e+01, best bound 2.200000000000e+01, gap 0.0%