Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:05 2012

Optimize a model with 167 rows, 85 columns and 334 nonzeros
Presolve removed 89 rows and 34 columns
Presolve time: 0.00s
Presolved: 78 rows, 51 columns, 163 nonzeros
Variable types: 0 continuous, 51 integer (51 binary)
Found heuristic solution: objective 37.0000000

Root relaxation: objective 4.083333e+01, 67 iterations, 0.00 seconds

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

     0     0   40.83333    0   47   37.00000   40.83333  10.4%     -    0s
H    0     0                      40.0000000   40.83333  2.08%     -    0s

Explored 0 nodes (72 simplex iterations) in 0.00 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%