Gurobi 5.0.1 (linux64) logging started Sun Nov 18 04:14:42 2012 Optimize a model with 409 rows, 290 columns and 1310 nonzeros Presolve time: 0.00s Presolved: 409 rows, 290 columns, 1310 nonzeros Variable types: 0 continuous, 290 integer (290 binary) Found heuristic solution: objective 92.0000000 Root relaxation: objective 0.000000e+00, 120 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 85 92.00000 0.00000 100% - 0s H 0 0 83.0000000 0.00000 100% - 0s H 0 0 76.0000000 0.00000 100% - 0s 0 0 0.57647 0 86 76.00000 0.57647 99.2% - 0s H 0 0 75.0000000 0.57647 99.2% - 0s 0 0 1.33803 0 89 75.00000 1.33803 98.2% - 0s H 0 0 73.0000000 1.33803 98.2% - 0s 0 0 1.42025 0 90 73.00000 1.42025 98.1% - 0s H 0 0 69.0000000 1.42025 97.9% - 0s 0 0 1.45174 0 91 69.00000 1.45174 97.9% - 0s 0 0 1.49084 0 91 69.00000 1.49084 97.8% - 0s 0 0 1.51152 0 91 69.00000 1.51152 97.8% - 0s 0 2 1.55112 0 91 69.00000 1.55112 97.8% - 0s * 61 59 34 64.0000000 6.29088 90.2% 26.0 0s * 93 57 19 42.0000000 6.31641 85.0% 28.7 0s 4063 758 cutoff 25 42.00000 27.27273 35.1% 26.6 5s * 4399 774 30 41.0000000 27.70175 32.4% 26.5 5s 9698 531 38.43750 23 131 41.00000 33.28571 18.8% 24.4 10s Explored 12073 nodes (283559 simplex iterations) in 11.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.100000000000e+01, best bound 4.100000000000e+01, gap 0.0%