Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:04 2012

Optimize a model with 182 rows, 82 columns and 364 nonzeros
Presolve removed 15 rows and 2 columns
Presolve time: 0.00s
Presolved: 167 rows, 80 columns, 342 nonzeros
Variable types: 0 continuous, 80 integer (80 binary)
Found heuristic solution: objective 33.0000000

Root relaxation: objective 3.900000e+01, 104 iterations, 0.00 seconds

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

     0     0   39.00000    0   66   33.00000   39.00000  18.2%     -    0s
H    0     0                      34.0000000   39.00000  14.7%     -    0s
     0     0   37.50000    0   67   34.00000   37.50000  10.3%     -    0s
     0     0   37.20000    0   71   34.00000   37.20000  9.41%     -    0s
     0     0   36.70000    0   80   34.00000   36.70000  7.94%     -    0s
H    0     0                      35.0000000   36.70000  4.86%     -    0s
     0     0   36.33333    0   80   35.00000   36.33333  3.81%     -    0s
     0     0   36.25000    0   71   35.00000   36.25000  3.57%     -    0s
     0     0   36.00000    0   80   35.00000   36.00000  2.86%     -    0s
     0     0   36.00000    0   79   35.00000   36.00000  2.86%     -    0s
     0     0   36.00000    0   80   35.00000   36.00000  2.86%     -    0s
     0     0   36.00000    0   61   35.00000   36.00000  2.86%     -    0s
     0     2   36.00000    0   61   35.00000   36.00000  2.86%     -    0s

Explored 3 nodes (473 simplex iterations) in 0.04 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%