Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:03 2012

Optimize a model with 169 rows, 78 columns and 338 nonzeros
Presolve removed 27 rows and 8 columns
Presolve time: 0.00s
Presolved: 142 rows, 70 columns, 289 nonzeros
Variable types: 0 continuous, 70 integer (70 binary)
Found heuristic solution: objective 32.0000000

Root relaxation: objective 3.850000e+01, 90 iterations, 0.00 seconds

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

     0     0   38.50000    0   57   32.00000   38.50000  20.3%     -    0s
     0     0   37.25000    0   70   32.00000   37.25000  16.4%     -    0s
H    0     0                      35.0000000   37.25000  6.43%     -    0s
     0     0   36.33333    0   64   35.00000   36.33333  3.81%     -    0s
     0     0   36.00000    0   44   35.00000   36.00000  2.86%     -    0s
     0     0   36.00000    0   56   35.00000   36.00000  2.86%     -    0s
     0     0   36.00000    0   36   35.00000   36.00000  2.86%     -    0s
     0     2   36.00000    0   36   35.00000   36.00000  2.86%     -    0s

Explored 3 nodes (318 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.500000000000e+01, best bound 3.500000000000e+01, gap 0.0%