Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:10 2012

Optimize a model with 261 rows, 102 columns and 522 nonzeros
Presolve removed 33 rows and 1 columns
Presolve time: 0.00s
Presolved: 228 rows, 101 columns, 469 nonzeros
Variable types: 0 continuous, 101 integer (101 binary)
Found heuristic solution: objective 41.0000000

Root relaxation: objective 4.700000e+01, 132 iterations, 0.00 seconds

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

     0     0   47.00000    0   84   41.00000   47.00000  14.6%     -    0s
     0     0   45.50000    0   79   41.00000   45.50000  11.0%     -    0s
     0     0   45.00000    0   93   41.00000   45.00000  9.76%     -    0s
H    0     0                      42.0000000   45.00000  7.14%     -    0s
H    0     0                      43.0000000   45.00000  4.65%     -    0s
     0     0   44.50000    0   96   43.00000   44.50000  3.49%     -    0s
H    0     0                      44.0000000   44.50000  1.14%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 16

Explored 0 nodes (355 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.400000000000e+01, best bound 4.400000000000e+01, gap 0.0%