Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:42 2012 Optimize a model with 269 rows, 216 columns and 538 nonzeros Presolve removed 255 rows and 202 columns Presolve time: 0.00s Presolved: 14 rows, 14 columns, 28 nonzeros Variable types: 0 continuous, 14 integer (14 binary) Found heuristic solution: objective 122.0000000 Root relaxation: cutoff, 11 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 122.00000 122.99988 0.82% - 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 1.220000000000e+02, best bound 1.220000000000e+02, gap 0.0%