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

Optimize a model with 141 rows, 77 columns and 282 nonzeros
Presolve removed 64 rows and 27 columns
Presolve time: 0.00s
Presolved: 77 rows, 50 columns, 159 nonzeros
Variable types: 0 continuous, 50 integer (50 binary)
Found heuristic solution: objective 34.0000000

Root relaxation: objective 3.760000e+01, 65 iterations, 0.00 seconds

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

     0     0   37.60000    0   50   34.00000   37.60000  10.6%     -    0s
H    0     0                      36.0000000   37.60000  4.44%     -    0s
H    0     0                      37.0000000   37.60000  1.62%     -    0s

Explored 0 nodes (71 simplex iterations) in 0.00 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%