Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:04 2012

Optimize a model with 178 rows, 81 columns and 356 nonzeros
Presolve removed 46 rows and 9 columns
Presolve time: 0.00s
Presolved: 132 rows, 72 columns, 274 nonzeros
Variable types: 0 continuous, 72 integer (72 binary)
Found heuristic solution: objective 35.0000000

Root relaxation: objective 3.780000e+01, 94 iterations, 0.00 seconds

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

     0     0   37.80000    0   60   35.00000   37.80000  8.00%     -    0s
H    0     0                      37.0000000   37.80000  2.16%     -    0s

Explored 0 nodes (114 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%