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

Optimize a model with 27 rows, 66 columns and 54 nonzeros
Presolve removed 22 rows and 61 columns
Presolve time: 0.00s
Presolved: 5 rows, 5 columns, 10 nonzeros
Variable types: 0 continuous, 5 integer (5 binary)
Found heuristic solution: objective 47.0000000

Root relaxation: cutoff, 4 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        47.00000   47.99995  2.13%     -    0s

Explored 0 nodes (4 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.700000000000e+01, best bound 4.700000000000e+01, gap 0.0%