Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:02 2012

Optimize a model with 151 rows, 73 columns and 302 nonzeros
Presolve removed 43 rows and 17 columns
Presolve time: 0.00s
Presolved: 108 rows, 56 columns, 218 nonzeros
Variable types: 0 continuous, 56 integer (56 binary)
Found heuristic solution: objective 33.0000000

Root relaxation: objective 3.600000e+01, 72 iterations, 0.00 seconds

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

     0     0   36.00000    0   34   33.00000   36.00000  9.09%     -    0s
H    0     0                      35.0000000   36.00000  2.86%     -    0s

Explored 0 nodes (139 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.500000000000e+01, best bound 3.600000000000e+01, gap 2.8571%