Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:51 2012 Optimize a model with 330 rows, 249 columns and 660 nonzeros Presolve removed 234 rows and 170 columns Presolve time: 0.00s Presolved: 96 rows, 79 columns, 194 nonzeros Variable types: 0 continuous, 79 integer (79 binary) Found heuristic solution: objective 127.0000000 Root relaxation: objective 1.335000e+02, 88 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 133.50000 0 43 127.00000 133.50000 5.12% - 0s H 0 0 130.0000000 133.50000 2.69% - 0s H 0 0 131.0000000 133.50000 1.91% - 0s * 0 0 0 133.0000000 133.00000 0.0% - 0s Cutting planes: Gomory: 1 Zero half: 4 Explored 0 nodes (130 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.330000000000e+02, best bound 1.330000000000e+02, gap 0.0%