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

Optimize a model with 292 rows, 106 columns and 584 nonzeros
Presolve removed 64 rows and 7 columns
Presolve time: 0.00s
Presolved: 228 rows, 99 columns, 482 nonzeros
Variable types: 0 continuous, 99 integer (99 binary)
Found heuristic solution: objective 43.0000000

Root relaxation: objective 4.850000e+01, 137 iterations, 0.00 seconds

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

     0     0   48.50000    0   83   43.00000   48.50000  12.8%     -    0s
H    0     0                      44.0000000   48.50000  10.2%     -    0s
     0     0   47.50000    0   97   44.00000   47.50000  7.95%     -    0s
H    0     0                      45.0000000   47.50000  5.56%     -    0s
     0     0   47.00000    0   93   45.00000   47.00000  4.44%     -    0s
     0     0   46.89831    0   89   45.00000   46.89831  4.22%     -    0s
     0     0   46.60526    0   91   45.00000   46.60526  3.57%     -    0s
     0     0   46.33673    0   95   45.00000   46.33673  2.97%     -    0s
     0     0   46.28571    0   95   45.00000   46.28571  2.86%     -    0s
     0     0   46.28571    0   94   45.00000   46.28571  2.86%     -    0s
     0     0   46.22222    0   91   45.00000   46.22222  2.72%     -    0s
H    0     0                      46.0000000   46.22222  0.48%     -    0s

Cutting planes:
  Zero half: 22

Explored 0 nodes (460 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%