Gurobi 5.0.1 (linux64) logging started Sun Nov 18 01:16:56 2012 Optimize a model with 369 rows, 243 columns and 1163 nonzeros Presolve time: 0.00s Presolved: 369 rows, 243 columns, 1163 nonzeros Variable types: 0 continuous, 243 integer (243 binary) Found heuristic solution: objective 84.0000000 Found heuristic solution: objective 82.0000000 Root relaxation: objective 0.000000e+00, 85 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 59 82.00000 0.00000 100% - 0s H 0 0 81.0000000 0.00000 100% - 0s H 0 0 73.0000000 0.00000 100% - 0s H 0 0 72.0000000 0.00000 100% - 0s 0 0 0.56497 0 61 72.00000 0.56497 99.2% - 0s H 0 0 70.0000000 0.56497 99.2% - 0s 0 0 0.70621 0 62 70.00000 0.70621 99.0% - 0s 0 0 0.71970 0 62 70.00000 0.71970 99.0% - 0s 0 0 0.72184 0 64 70.00000 0.72184 99.0% - 0s 0 0 0.72184 0 64 70.00000 0.72184 99.0% - 0s 0 2 0.76818 0 64 70.00000 0.76818 98.9% - 0s * 35 35 21 58.0000000 2.89216 95.0% 39.6 0s * 76 65 25 57.0000000 2.99439 94.7% 32.8 0s H 81 52 54.0000000 6.12169 88.7% 31.5 0s H 108 65 47.0000000 6.79006 85.6% 32.2 0s * 439 213 19 46.0000000 14.09586 69.4% 30.6 0s * 5320 793 35 45.0000000 33.18750 26.3% 24.4 4s 5506 790 41.50000 25 115 45.00000 33.47059 25.6% 24.2 5s Explored 11757 nodes (256256 simplex iterations) in 9.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.500000000000e+01, best bound 4.500000000000e+01, gap 0.0%