Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:15 2012

Optimize a model with 295 rows, 110 columns and 590 nonzeros
Presolve removed 69 rows and 10 columns
Presolve time: 0.00s
Presolved: 226 rows, 100 columns, 473 nonzeros
Variable types: 0 continuous, 100 integer (100 binary)
Found heuristic solution: objective 43.0000000

Root relaxation: objective 4.950000e+01, 123 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   83   43.00000   49.50000  15.1%     -    0s
     0     0   48.50000    0   81   43.00000   48.50000  12.8%     -    0s
     0     0   48.02564    0   98   43.00000   48.02564  11.7%     -    0s
     0     0   47.24390    0   98   43.00000   47.24390  9.87%     -    0s
     0     0   46.86957    0   95   43.00000   46.86957  9.00%     -    0s
H    0     0                      44.0000000   46.86957  6.52%     -    0s
H    0     0                      45.0000000   46.86957  4.15%     -    0s
     0     0   46.60000    0   85   45.00000   46.60000  3.56%     -    0s
     0     0   46.47368    0   99   45.00000   46.47368  3.27%     -    0s
H    0     0                      46.0000000   46.47368  1.03%     -    0s

Cutting planes:
  Zero half: 30

Explored 0 nodes (441 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.600000000000e+01, best bound 4.600000000000e+01, gap 0.0%