Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:09:52 2012 Optimize a model with 224 rows, 652 columns and 652 nonzeros Model has 446 quadratic constraints Presolve removed 0 rows and 19 columns Presolve time: 2.60s Presolved: 224 rows, 633 columns, 633 nonzeros Variable types: 446 continuous, 187 integer (186 binary) Root relaxation: objective 0.000000e+00, 79 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 106.0000000 - - - 2s 0 0 0.00000 0 9 106.00000 0.00000 100% - 2s 0 0 0.00000 0 155 106.00000 0.00000 100% - 2s 0 0 0.00000 0 143 106.00000 0.00000 100% - 2s 0 2 0.00000 0 142 106.00000 0.00000 100% - 2s H 27 27 53.0000000 1.31013 97.5% 52.6 2s H 40 40 18.0000000 1.31013 92.7% 41.8 2s * 40 40 23 17.0000000 1.31013 92.3% 41.9 2s * 41 32 23 16.0000000 1.31013 91.8% 41.8 2s * 68 51 19 15.0000000 1.46032 90.3% 34.1 2s * 102 65 25 13.0000000 2.16541 83.3% 29.5 2s * 523 136 14 12.0000000 7.04762 41.3% 22.5 3s * 985 111 29 11.0000000 8.00000 27.3% 32.1 4s 1016 99 10.35294 17 533 11.00000 8.00000 27.3% 33.6 5s Explored 1231 nodes (46594 simplex iterations) in 5.43 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%