Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:56:52 2012

Optimize a model with 225 rows, 161 columns and 721 nonzeros
Presolve time: 0.00s
Presolved: 225 rows, 161 columns, 721 nonzeros
Variable types: 0 continuous, 161 integer (161 binary)
Found heuristic solution: objective 50.0000000

Root relaxation: objective 0.000000e+00, 86 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   49   50.00000    0.00000   100%     -    0s
H    0     0                      35.0000000    0.00000   100%     -    0s
     0     0    0.72766    0   52   35.00000    0.72766  97.9%     -    0s
     0     0    0.73633    0   53   35.00000    0.73633  97.9%     -    0s
     0     0    0.77745    0   51   35.00000    0.77745  97.8%     -    0s
     0     0    0.79187    0   51   35.00000    0.79187  97.7%     -    0s
     0     0    0.80123    0   54   35.00000    0.80123  97.7%     -    0s
H    0     0                      31.0000000    0.80123  97.4%     -    0s
H    0     0                      30.0000000    0.80123  97.3%     -    0s
     0     2    0.80476    0   54   30.00000    0.80476  97.3%     -    0s
*   24    22              15      26.0000000    3.09459  88.1%  24.0    0s
*  110    61              15      23.0000000    9.96000  56.7%  25.7    0s

Cutting planes:
  Gomory: 1
  Mod-K: 6

Explored 555 nodes (11798 simplex iterations) in 0.37 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.300000000000e+01, best bound 2.300000000000e+01, gap 0.0%