Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:11:51 2012 Optimize a model with 226 rows, 658 columns and 658 nonzeros Model has 450 quadratic constraints Presolve removed 0 rows and 21 columns Presolve time: 2.63s Presolved: 226 rows, 637 columns, 637 nonzeros Variable types: 450 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 0 105.0000000 - - - 2s 0 0 0.00000 0 96 105.00000 0.00000 100% - 2s 0 0 0.00000 0 130 105.00000 0.00000 100% - 2s 0 0 0.00000 0 115 105.00000 0.00000 100% - 2s 0 2 0.00000 0 113 105.00000 0.00000 100% - 2s * 39 34 24 19.0000000 2.27451 88.0% 55.4 2s * 96 53 19 14.0000000 3.08917 77.9% 34.8 2s 607 145 8.76190 13 599 14.00000 8.76190 37.4% 25.9 5s 3340 43 13.77778 35 54 14.00000 13.50000 3.57% 31.2 10s Explored 3442 nodes (106945 simplex iterations) in 10.06 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%