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

Optimize a model with 142 rows, 76 columns and 284 nonzeros
Presolve removed 52 rows and 20 columns
Presolve time: 0.00s
Presolved: 90 rows, 56 columns, 186 nonzeros
Variable types: 0 continuous, 56 integer (56 binary)
Found heuristic solution: objective 37.0000000

Root relaxation: cutoff, 62 iterations, 0.00 seconds

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

     0     0     cutoff    0        37.00000   37.99996  2.70%     -    0s

Explored 0 nodes (62 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%