Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:42:09 2012 Optimize a model with 223 rows, 154 columns and 709 nonzeros Presolve time: 0.00s Presolved: 223 rows, 154 columns, 709 nonzeros Variable types: 0 continuous, 154 integer (154 binary) Found heuristic solution: objective 58.0000000 Found heuristic solution: objective 54.0000000 Root relaxation: objective 0.000000e+00, 75 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 43 54.00000 0.00000 100% - 0s H 0 0 44.0000000 0.00000 100% - 0s H 0 0 39.0000000 0.00000 100% - 0s 0 0 0.51163 0 44 39.00000 0.51163 98.7% - 0s 0 0 1.12510 0 46 39.00000 1.12510 97.1% - 0s H 0 0 36.0000000 1.12510 96.9% - 0s H 0 0 35.0000000 1.12510 96.8% - 0s 0 0 1.16633 0 46 35.00000 1.16633 96.7% - 0s 0 0 1.18664 0 50 35.00000 1.18664 96.6% - 0s 0 0 1.20964 0 47 35.00000 1.20964 96.5% - 0s 0 0 1.25967 0 46 35.00000 1.25967 96.4% - 0s 0 0 1.28105 0 51 35.00000 1.28105 96.3% - 0s 0 2 1.36567 0 51 35.00000 1.36567 96.1% - 0s * 26 24 15 29.0000000 5.14964 82.2% 25.7 0s * 54 38 17 28.0000000 5.17828 81.5% 22.6 0s * 132 85 16 26.0000000 10.60714 59.2% 23.5 0s * 314 113 10 25.0000000 13.57895 45.7% 18.3 0s * 1113 85 11 24.0000000 18.92857 21.1% 14.7 0s Cutting planes: Gomory: 3 Zero half: 16 Explored 1335 nodes (19029 simplex iterations) in 0.63 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.400000000000e+01, best bound 2.400000000000e+01, gap 0.0%