Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:20:35 2012 Optimize a model with 106 rows, 275 columns and 275 nonzeros Model has 210 quadratic constraints Presolve time: 1.22s Presolved: 106 rows, 275 columns, 275 nonzeros Variable types: 210 continuous, 65 integer (65 binary) Root relaxation: objective 0.000000e+00, 32 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 45.0000000 - - - 1s 0 0 0.00000 0 48 45.00000 0.00000 100% - 1s 0 0 0.24736 0 64 45.00000 0.24736 99.5% - 1s 0 2 0.30746 0 64 45.00000 0.30746 99.3% - 1s * 29 29 19 20.0000000 1.80998 91.0% 26.2 1s * 105 79 22 19.0000000 2.01449 89.4% 21.9 1s H 130 96 18.0000000 3.22174 82.1% 21.5 1s * 131 86 16 17.0000000 3.22174 81.0% 21.4 1s * 807 212 41 16.0000000 9.00000 43.8% 24.2 2s * 824 192 32 15.0000000 9.00000 40.0% 24.1 2s * 963 133 31 14.0000000 10.33333 26.2% 23.2 2s Explored 1012 nodes (23710 simplex iterations) in 2.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.400000000000e+01, best bound 1.400000000000e+01, gap 0.0%