Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:33 2012

Optimize a model with 172 rows, 176 columns and 344 nonzeros
Presolve removed 140 rows and 145 columns
Presolve time: 0.00s
Presolved: 32 rows, 31 columns, 64 nonzeros
Variable types: 0 continuous, 31 integer (31 binary)
Found heuristic solution: objective 107.0000000

Root relaxation: objective 1.090000e+02, 31 iterations, 0.00 seconds

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

*    0     0               0     109.0000000  109.00000   0.0%     -    0s

Explored 0 nodes (31 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.090000000000e+02, best bound 1.090000000000e+02, gap 0.0%