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

Optimize a model with 170 rows, 78 columns and 340 nonzeros
Presolve removed 40 rows and 10 columns
Presolve time: 0.00s
Presolved: 130 rows, 68 columns, 267 nonzeros
Variable types: 0 continuous, 68 integer (68 binary)
Found heuristic solution: objective 30.0000000

Root relaxation: objective 3.640000e+01, 81 iterations, 0.00 seconds

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

     0     0   36.40000    0   64   30.00000   36.40000  21.3%     -    0s
H    0     0                      35.0000000   36.40000  4.00%     -    0s
     0     0   36.00000    0   56   35.00000   36.00000  2.86%     -    0s
     0     0 infeasible    0        35.00000   35.99996  2.86%     -    0s

Cutting planes:
  Zero half: 36

Explored 0 nodes (112 simplex iterations) in 0.01 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%