Gurobi 5.0.1 (linux64) logging started Sun Nov 18 04:24:01 2012 Optimize a model with 467 rows, 324 columns and 1489 nonzeros Presolve time: 0.00s Presolved: 467 rows, 324 columns, 1489 nonzeros Variable types: 0 continuous, 324 integer (324 binary) Found heuristic solution: objective 118.0000000 Found heuristic solution: objective 109.0000000 Root relaxation: objective 0.000000e+00, 130 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 90 109.00000 0.00000 100% - 0s H 0 0 102.0000000 0.00000 100% - 0s H 0 0 101.0000000 0.00000 100% - 0s 0 0 0.50000 0 91 101.00000 0.50000 100% - 0s 0 0 1.18671 0 95 101.00000 1.18671 98.8% - 0s 0 0 1.19037 0 96 101.00000 1.19037 98.8% - 0s 0 0 1.19037 0 96 101.00000 1.19037 98.8% - 0s H 0 0 88.0000000 1.19037 98.6% - 0s H 0 0 83.0000000 1.19037 98.6% - 0s H 0 0 74.0000000 1.19037 98.4% - 0s 0 2 1.20867 0 96 74.00000 1.20867 98.4% - 0s H 40 40 60.0000000 4.47094 92.5% 39.8 0s * 52 41 27 59.0000000 4.47094 92.4% 33.4 0s * 96 80 28 57.0000000 5.26087 90.8% 31.8 0s * 136 105 26 54.0000000 9.00000 83.3% 31.0 0s H 599 408 53.0000000 11.14286 79.0% 30.0 0s * 757 461 37 52.0000000 14.58824 71.9% 30.2 1s * 1297 571 33 50.0000000 17.20690 65.6% 30.1 2s H 1455 558 49.0000000 19.65854 59.9% 30.0 2s H 1715 490 47.0000000 21.47826 54.3% 29.4 2s H 2601 662 46.0000000 24.71429 46.3% 28.2 3s 3279 781 43.35484 23 126 46.00000 26.05128 43.4% 27.6 5s 7457 1182 39.43836 22 147 46.00000 31.79167 30.9% 25.3 10s 12194 1225 43.55556 25 120 46.00000 34.92308 24.1% 24.2 15s 17923 812 cutoff 25 46.00000 37.40000 18.7% 23.3 20s Cutting planes: Gomory: 3 Mod-K: 1 Explored 22006 nodes (498058 simplex iterations) in 23.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.600000000000e+01, best bound 4.600000000000e+01, gap 0.0%