Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:09 2012 Optimize a model with 55 rows, 16 columns and 110 nonzeros Presolve removed 37 rows and 4 columns Presolve time: 0.00s Presolved: 18 rows, 12 columns, 49 nonzeros Variable types: 0 continuous, 12 integer (12 binary) Found heuristic solution: objective 5.0000000 Root relaxation: cutoff, 5 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 5.00000 5.99999 20.0% - 0s Explored 0 nodes (5 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%