Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:19:03 2012 Optimize a model with 205 rows, 163 columns and 673 nonzeros Presolve time: 0.00s Presolved: 205 rows, 163 columns, 673 nonzeros Variable types: 0 continuous, 163 integer (163 binary) Found heuristic solution: objective 44.0000000 Root relaxation: objective 0.000000e+00, 100 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 60 44.00000 0.00000 100% - 0s H 0 0 28.0000000 0.00000 100% - 0s 0 0 0.53704 0 61 28.00000 0.53704 98.1% - 0s 0 0 1.00000 0 62 28.00000 1.00000 96.4% - 0s 0 0 1.05623 0 63 28.00000 1.05623 96.2% - 0s 0 0 1.09095 0 63 28.00000 1.09095 96.1% - 0s 0 0 1.11429 0 63 28.00000 1.11429 96.0% - 0s 0 0 1.11429 0 63 28.00000 1.11429 96.0% - 0s H 0 0 26.0000000 1.11429 95.7% - 0s H 0 0 23.0000000 1.11429 95.2% - 0s H 0 0 19.0000000 1.11429 94.1% - 0s 0 2 1.12143 0 63 19.00000 1.12143 94.1% - 0s * 43 29 12 18.0000000 3.35733 81.3% 36.4 0s * 86 50 13 17.0000000 6.20270 63.5% 30.7 0s * 200 57 8 16.0000000 8.20033 48.7% 26.4 0s Cutting planes: Gomory: 5 Zero half: 1 Explored 463 nodes (10816 simplex iterations) in 0.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.600000000000e+01, best bound 1.600000000000e+01, gap 0.0%