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

Optimize a model with 178 rows, 80 columns and 356 nonzeros
Presolve removed 49 rows and 11 columns
Presolve time: 0.00s
Presolved: 129 rows, 69 columns, 269 nonzeros
Variable types: 0 continuous, 69 integer (69 binary)
Found heuristic solution: objective 37.0000000

Root relaxation: objective 3.900000e+01, 64 iterations, 0.00 seconds

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

*    0     0               0      39.0000000   39.00000   0.0%     -    0s

Explored 0 nodes (64 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.900000000000e+01, best bound 3.900000000000e+01, gap 0.0%