Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:35 2012

Optimize a model with 44 rows, 29 columns and 88 nonzeros
Presolve removed 19 rows and 10 columns
Presolve time: 0.00s
Presolved: 25 rows, 19 columns, 52 nonzeros
Variable types: 0 continuous, 19 integer (19 binary)
Found heuristic solution: objective 15.0000000

Root relaxation: cutoff, 18 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        15.00000   15.99998  6.67%     -    0s

Explored 0 nodes (18 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.500000000000e+01, best bound 1.500000000000e+01, gap 0.0%