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

Optimize a model with 149 rows, 78 columns and 298 nonzeros
Presolve removed 51 rows and 20 columns
Presolve time: 0.00s
Presolved: 98 rows, 58 columns, 200 nonzeros
Variable types: 0 continuous, 58 integer (58 binary)
Found heuristic solution: objective 35.0000000

Root relaxation: objective 3.850000e+01, 70 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   51   35.00000   38.50000  10.0%     -    0s
     0     0   37.83333    0   58   35.00000   37.83333  8.10%     -    0s
H    0     0                      36.0000000   37.83333  5.09%     -    0s
     0     0   37.75000    0   58   36.00000   37.75000  4.86%     -    0s
     0     0   37.50000    0   50   36.00000   37.50000  4.17%     -    0s
H    0     0                      37.0000000   37.50000  1.35%     -    0s

Cutting planes:
  Zero half: 6

Explored 0 nodes (142 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.700000000000e+01, best bound 3.700000000000e+01, gap 0.0%