Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:58:13 2012 Optimize a model with 208 rows, 607 columns and 607 nonzeros Model has 414 quadratic constraints Presolve removed 0 rows and 22 columns Presolve time: 2.41s Presolved: 208 rows, 585 columns, 585 nonzeros Variable types: 414 continuous, 171 integer (170 binary) Root relaxation: objective 0.000000e+00, 73 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 108.0000000 - - - 2s 0 0 0.00000 0 91 108.00000 0.00000 100% - 2s 0 0 0.00000 0 139 108.00000 0.00000 100% - 2s 0 0 0.00000 0 129 108.00000 0.00000 100% - 2s 0 2 0.00000 0 129 108.00000 0.00000 100% - 2s H 27 27 16.0000000 2.15625 86.5% 43.5 2s H 122 47 14.0000000 4.32099 69.1% 19.9 2s * 138 39 25 13.0000000 4.32099 66.8% 19.3 2s * 191 48 19 12.0000000 5.00000 58.3% 18.4 2s Cutting planes: Gomory: 1 Explored 639 nodes (13605 simplex iterations) in 3.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%