Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:53:04 2012 Optimize a model with 163 rows, 99 columns and 504 nonzeros Presolve time: 0.00s Presolved: 163 rows, 99 columns, 504 nonzeros Variable types: 0 continuous, 99 integer (99 binary) Found heuristic solution: objective 45.0000000 Found heuristic solution: objective 43.0000000 Root relaxation: objective 0.000000e+00, 26 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 18 43.00000 0.00000 100% - 0s H 0 0 35.0000000 0.00000 100% - 0s 0 0 0.81250 0 20 35.00000 0.81250 97.7% - 0s 0 0 0.93750 0 20 35.00000 0.93750 97.3% - 0s 0 0 1.00000 0 20 35.00000 1.00000 97.1% - 0s 0 0 1.00000 0 20 35.00000 1.00000 97.1% - 0s 0 0 1.00000 0 20 35.00000 1.00000 97.1% - 0s 0 0 1.00000 0 20 35.00000 1.00000 97.1% - 0s 0 2 1.00000 0 20 35.00000 1.00000 97.1% - 0s * 92 35 12 34.0000000 9.25000 72.8% 13.8 0s * 105 45 9 33.0000000 12.81818 61.2% 14.6 0s * 364 67 10 32.0000000 21.50000 32.8% 11.5 0s Cutting planes: Gomory: 1 Zero half: 5 Explored 655 nodes (6981 simplex iterations) in 0.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.200000000000e+01, best bound 3.200000000000e+01, gap 0.0%