Gurobi 5.0.1 (linux64) logging started Sun Nov 18 01:27:58 2012 Optimize a model with 369 rows, 244 columns and 1164 nonzeros Presolve time: 0.00s Presolved: 369 rows, 244 columns, 1164 nonzeros Variable types: 0 continuous, 244 integer (244 binary) Found heuristic solution: objective 89.0000000 Root relaxation: objective 0.000000e+00, 107 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 60 89.00000 0.00000 100% - 0s H 0 0 79.0000000 0.00000 100% - 0s 0 0 0.55556 0 61 79.00000 0.55556 99.3% - 0s H 0 0 76.0000000 0.55556 99.3% - 0s 0 0 1.03093 0 62 76.00000 1.03093 98.6% - 0s 0 0 1.30941 0 63 76.00000 1.30941 98.3% - 0s H 0 0 74.0000000 1.30941 98.2% - 0s H 0 0 72.0000000 1.30941 98.2% - 0s H 0 0 67.0000000 1.30941 98.0% - 0s 0 2 1.39205 0 63 67.00000 1.39205 97.9% - 0s * 37 37 19 53.0000000 6.28235 88.1% 31.9 0s * 42 31 20 52.0000000 6.28235 87.9% 29.4 0s * 77 59 22 50.0000000 7.53012 84.9% 30.2 0s * 287 225 17 49.0000000 13.03721 73.4% 35.2 0s * 478 300 24 48.0000000 14.86207 69.0% 31.3 0s * 857 422 30 47.0000000 17.56937 62.6% 31.0 1s * 1568 396 24 44.0000000 22.48276 48.9% 28.6 1s 4767 744 40.70213 21 117 44.00000 30.72414 30.2% 25.4 5s Cutting planes: Gomory: 3 Explored 10228 nodes (234463 simplex iterations) in 9.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.400000000000e+01, best bound 4.400000000000e+01, gap 0.0%