Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:41 2012 Optimize a model with 217 rows, 211 columns and 434 nonzeros Presolve removed 205 rows and 199 columns Presolve time: 0.00s Presolved: 12 rows, 12 columns, 24 nonzeros Variable types: 0 continuous, 12 integer (12 binary) Found heuristic solution: objective 122.0000000 Root relaxation: objective 1.240000e+02, 11 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 124.0000000 124.00000 0.0% - 0s Explored 0 nodes (11 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.240000000000e+02, best bound 1.240000000000e+02, gap 0.0%