Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:19 2012

Optimize a model with 366 rows, 115 columns and 732 nonzeros
Presolve removed 87 rows and 5 columns
Presolve time: 0.00s
Presolved: 279 rows, 110 columns, 602 nonzeros
Variable types: 0 continuous, 110 integer (110 binary)
Found heuristic solution: objective 41.0000000

Root relaxation: objective 4.800000e+01, 154 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   48.00000    0   93   41.00000   48.00000  17.1%     -    0s
     0     0   47.47619    0  105   41.00000   47.47619  15.8%     -    0s
H    0     0                      42.0000000   47.47619  13.0%     -    0s
     0     0   46.66667    0  103   42.00000   46.66667  11.1%     -    0s
     0     0   46.54545    0  105   42.00000   46.54545  10.8%     -    0s
     0     0   46.40000    0  108   42.00000   46.40000  10.5%     -    0s
     0     0   46.10631    0  109   42.00000   46.10631  9.78%     -    0s
H    0     0                      43.0000000   46.10631  7.22%     -    0s
     0     0   45.95652    0  108   43.00000   45.95652  6.88%     -    0s
     0     0   45.80556    0  108   43.00000   45.80556  6.52%     -    0s
     0     0   45.72566    0  109   43.00000   45.72566  6.34%     -    0s
     0     0   45.68465    0  108   43.00000   45.68465  6.24%     -    0s
     0     0   45.65007    0  108   43.00000   45.65007  6.16%     -    0s
     0     0   45.62904    0  109   43.00000   45.62904  6.11%     -    0s
     0     0   45.62904    0  105   43.00000   45.62904  6.11%     -    0s
     0     2   45.61927    0  104   43.00000   45.61927  6.09%     -    0s

Cutting planes:
  Zero half: 62

Explored 43 nodes (1696 simplex iterations) in 0.09 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.300000000000e+01, best bound 4.300000000000e+01, gap 0.0%