Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:00:35 2013 Optimize a model with 212 rows, 213 columns and 17427 nonzeros Presolve removed 43 rows and 42 columns Presolve time: 0.11s Presolved: 169 rows, 171 columns, 13898 nonzeros Variable types: 0 continuous, 171 integer (171 binary) Found heuristic solution: objective 243.0000000 Root relaxation: cutoff, 35 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 243.00000 242.00024 0.41% - 0s Explored 0 nodes (35 simplex iterations) in 0.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.430000000000e+02, best bound 2.430000000000e+02, gap 0.0%