Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:40 2012 Optimize a model with 237 rows, 206 columns and 474 nonzeros Presolve removed 223 rows and 192 columns Presolve time: 0.00s Presolved: 14 rows, 14 columns, 28 nonzeros Variable types: 0 continuous, 14 integer (14 binary) Found heuristic solution: objective 115.0000000 Root relaxation: objective 1.160000e+02, 14 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 116.00000 0 14 115.00000 116.00000 0.87% - 0s Explored 0 nodes (14 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%