Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:13 2012 Optimize a model with 127 rows, 98 columns and 413 nonzeros Presolve time: 0.00s Presolved: 127 rows, 98 columns, 413 nonzeros Variable types: 0 continuous, 98 integer (98 binary) Found heuristic solution: objective 27.0000000 Root relaxation: objective 0.000000e+00, 52 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 35 27.00000 0.00000 100% - 0s H 0 0 26.0000000 0.00000 100% - 0s H 0 0 24.0000000 0.00000 100% - 0s H 0 0 18.0000000 0.00000 100% - 0s H 0 0 17.0000000 0.00000 100% - 0s 0 0 0.46721 0 38 17.00000 0.46721 97.3% - 0s 0 0 0.59544 0 41 17.00000 0.59544 96.5% - 0s 0 0 0.60766 0 40 17.00000 0.60766 96.4% - 0s 0 0 0.61718 0 43 17.00000 0.61718 96.4% - 0s 0 0 0.65854 0 38 17.00000 0.65854 96.1% - 0s 0 0 0.67391 0 40 17.00000 0.67391 96.0% - 0s 0 0 0.70090 0 41 17.00000 0.70090 95.9% - 0s 0 0 0.70137 0 39 17.00000 0.70137 95.9% - 0s 0 0 0.70137 0 39 17.00000 0.70137 95.9% - 0s 0 2 0.70285 0 39 17.00000 0.70285 95.9% - 0s * 17 12 12 13.0000000 3.62640 72.1% 20.3 0s * 29 13 10 12.0000000 3.99248 66.7% 17.3 0s Cutting planes: Gomory: 1 Zero half: 8 Explored 65 nodes (1154 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%