Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:07 2012

Optimize a model with 244 rows, 93 columns and 488 nonzeros
Presolve removed 51 rows and 6 columns
Presolve time: 0.00s
Presolved: 193 rows, 87 columns, 402 nonzeros
Variable types: 0 continuous, 87 integer (87 binary)
Found heuristic solution: objective 37.0000000

Root relaxation: objective 4.266667e+01, 143 iterations, 0.00 seconds

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

     0     0   42.66667    0   86   37.00000   42.66667  15.3%     -    0s
H    0     0                      39.0000000   42.66667  9.40%     -    0s
     0     0   41.66667    0   86   39.00000   41.66667  6.84%     -    0s
     0     0   41.33333    0   85   39.00000   41.33333  5.98%     -    0s
     0     0   41.22222    0   80   39.00000   41.22222  5.70%     -    0s
     0     0   40.86364    0   86   39.00000   40.86364  4.78%     -    0s
     0     0   40.60526    0   86   39.00000   40.60526  4.12%     -    0s
     0     0   40.50000    0   86   39.00000   40.50000  3.85%     -    0s
H    0     0                      40.0000000   40.50000  1.25%     -    0s

Cutting planes:
  Zero half: 24

Explored 0 nodes (367 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+01, best bound 4.000000000000e+01, gap 0.0%