Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:45 2012 Optimize a model with 266 rows, 227 columns and 532 nonzeros Presolve removed 186 rows and 162 columns Presolve time: 0.00s Presolved: 80 rows, 65 columns, 160 nonzeros Variable types: 0 continuous, 65 integer (65 binary) Found heuristic solution: objective 128.0000000 Root relaxation: objective 1.315000e+02, 75 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 131.50000 0 65 128.00000 131.50000 2.73% - 0s 0 0 130.00000 0 57 128.00000 130.00000 1.56% - 0s H 0 0 129.0000000 130.00000 0.78% - 0s H 0 0 130.0000000 130.00000 0.0% - 0s Cutting planes: Gomory: 1 Zero half: 5 Explored 0 nodes (114 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.300000000000e+02, best bound 1.300000000000e+02, gap 0.0%