Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:18 2012

Optimize a model with 359 rows, 114 columns and 718 nonzeros
Presolve removed 59 rows and 0 columns
Presolve time: 0.00s
Presolved: 300 rows, 114 columns, 637 nonzeros
Variable types: 0 continuous, 114 integer (114 binary)
Found heuristic solution: objective 37.0000000

Root relaxation: objective 4.950000e+01, 170 iterations, 0.00 seconds

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

     0     0   49.50000    0   95   37.00000   49.50000  33.8%     -    0s
     0     0   48.50000    0  111   37.00000   48.50000  31.1%     -    0s
H    0     0                      41.0000000   48.50000  18.3%     -    0s
     0     0   47.72321    0  114   41.00000   47.72321  16.4%     -    0s
     0     0   47.32312    0  113   41.00000   47.32312  15.4%     -    0s
     0     0   46.88820    0  114   41.00000   46.88820  14.4%     -    0s
     0     0   46.57460    0  113   41.00000   46.57460  13.6%     -    0s
     0     0   46.22314    0  111   41.00000   46.22314  12.7%     -    0s
     0     0   46.15086    0  113   41.00000   46.15086  12.6%     -    0s
     0     0   46.03519    0  114   41.00000   46.03519  12.3%     -    0s
     0     0   45.95407    0  112   41.00000   45.95407  12.1%     -    0s
     0     0   45.92148    0  114   41.00000   45.92148  12.0%     -    0s
     0     0   45.92148    0  113   41.00000   45.92148  12.0%     -    0s
     0     2   45.91968    0  113   41.00000   45.91968  12.0%     -    0s
*   14     8               7      42.0000000   45.85968  9.19%  23.1    0s

Cutting planes:
  Zero half: 92

Explored 234 nodes (5796 simplex iterations) in 0.23 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.200000000000e+01, best bound 4.200000000000e+01, gap 0.0%