Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:47:13 2012 Optimize a model with 233 rows, 163 columns and 743 nonzeros Presolve time: 0.00s Presolved: 233 rows, 163 columns, 743 nonzeros Variable types: 0 continuous, 163 integer (163 binary) Found heuristic solution: objective 47.0000000 Root relaxation: objective 0.000000e+00, 69 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 46 47.00000 0.00000 100% - 0s H 0 0 44.0000000 0.00000 100% - 0s H 0 0 43.0000000 0.00000 100% - 0s 0 0 0.55000 0 47 43.00000 0.55000 98.7% - 0s H 0 0 40.0000000 0.55000 98.6% - 0s 0 0 1.06719 0 48 40.00000 1.06719 97.3% - 0s H 0 0 37.0000000 1.06719 97.1% - 0s 0 0 1.20568 0 49 37.00000 1.20568 96.7% - 0s H 0 0 36.0000000 1.20568 96.7% - 0s 0 0 1.36961 0 49 36.00000 1.36961 96.2% - 0s 0 0 1.38010 0 52 36.00000 1.38010 96.2% - 0s 0 2 1.43482 0 52 36.00000 1.43482 96.0% - 0s * 26 26 16 31.0000000 5.36316 82.7% 26.2 0s * 30 24 17 30.0000000 5.36316 82.1% 23.5 0s * 48 38 14 29.0000000 5.40526 81.4% 24.8 0s * 156 95 12 28.0000000 9.06053 67.6% 25.1 0s * 200 92 11 26.0000000 10.11728 61.1% 23.6 0s * 250 89 10 25.0000000 10.85646 56.6% 24.2 0s * 557 61 13 24.0000000 18.42690 23.2% 21.8 0s Cutting planes: Gomory: 3 Zero half: 1 Mod-K: 2 Explored 684 nodes (14288 simplex iterations) in 0.40 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%