Gurobi 5.0.1 (linux64) logging started Sat Nov 17 20:27:52 2012 Optimize a model with 399 rows, 228 columns and 1223 nonzeros Presolve time: 0.00s Presolved: 399 rows, 228 columns, 1223 nonzeros Variable types: 0 continuous, 228 integer (228 binary) Found heuristic solution: objective 105.0000000 Root relaxation: objective 0.000000e+00, 59 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 29 105.00000 0.00000 100% - 0s H 0 0 104.0000000 0.00000 100% - 0s H 0 0 94.0000000 0.00000 100% - 0s 0 0 0.93103 0 31 94.00000 0.93103 99.0% - 0s H 0 0 91.0000000 0.93103 99.0% - 0s 0 0 1.01763 0 42 91.00000 1.01763 98.9% - 0s 0 0 1.03448 0 31 91.00000 1.03448 98.9% - 0s 0 0 1.05784 0 53 91.00000 1.05784 98.8% - 0s 0 0 1.06897 0 31 91.00000 1.06897 98.8% - 0s 0 0 1.06897 0 31 91.00000 1.06897 98.8% - 0s 0 0 1.06897 0 31 91.00000 1.06897 98.8% - 0s 0 0 1.06897 0 31 91.00000 1.06897 98.8% - 0s 0 2 1.08315 0 31 91.00000 1.08315 98.8% - 0s * 61 51 18 90.0000000 7.05263 92.2% 37.4 0s * 130 98 18 88.0000000 15.10435 82.8% 36.3 0s H 330 187 86.0000000 27.66667 67.8% 31.8 0s * 560 294 21 85.0000000 33.22222 60.9% 30.2 0s * 561 283 20 83.0000000 33.22222 60.0% 30.1 0s * 1702 409 32 80.0000000 45.42857 43.2% 28.8 1s * 1708 402 32 79.0000000 45.42857 42.5% 28.7 1s * 1982 447 30 78.0000000 46.00000 41.0% 28.1 1s H 2716 554 76.0000000 47.88889 37.0% 27.5 2s 5381 706 72.22222 25 129 76.00000 57.40000 24.5% 25.8 5s H 9828 293 75.0000000 66.46667 11.4% 23.9 8s Cutting planes: Gomory: 1 Mod-K: 3 Explored 10473 nodes (245366 simplex iterations) in 8.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.500000000000e+01, best bound 7.500000000000e+01, gap 0.0%