Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:38 2012 Optimize a model with 221 rows, 197 columns and 442 nonzeros Presolve removed 206 rows and 184 columns Presolve time: 0.00s Presolved: 15 rows, 13 columns, 30 nonzeros Variable types: 0 continuous, 13 integer (13 binary) Found heuristic solution: objective 115.0000000 Root relaxation: cutoff, 10 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 115.00000 115.99988 0.87% - 0s Explored 0 nodes (10 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.150000000000e+02, best bound 1.150000000000e+02, gap 0.0%