Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:12 2012 Optimize a model with 297 rows, 35 columns and 594 nonzeros Presolve removed 205 rows and 0 columns Presolve time: 0.00s Presolved: 92 rows, 35 columns, 443 nonzeros Variable types: 0 continuous, 35 integer (35 binary) Found heuristic solution: objective 6.0000000 Root relaxation: objective 7.600000e+00, 46 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 7.60000 0 22 6.00000 7.60000 26.7% - 0s 0 0 7.00000 0 15 6.00000 7.00000 16.7% - 0s 0 0 7.00000 0 19 6.00000 7.00000 16.7% - 0s H 0 0 7.0000000 7.00000 0.0% - 0s Cutting planes: Gomory: 2 Zero half: 2 Explored 0 nodes (99 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%