Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:01:20 2012 Optimize a model with 202 rows, 599 columns and 599 nonzeros Model has 402 quadratic constraints Presolve removed 0 rows and 24 columns Presolve time: 2.35s Presolved: 202 rows, 575 columns, 575 nonzeros Variable types: 402 continuous, 173 integer (172 binary) Root relaxation: objective 0.000000e+00, 71 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 101.0000000 - - - 2s 0 0 0.00000 0 134 101.00000 0.00000 100% - 2s 0 0 0.08139 0 152 101.00000 0.08139 100% - 2s 0 2 0.10009 0 152 101.00000 0.10009 100% - 2s H 36 36 14.0000000 1.08669 92.2% 32.2 2s * 38 38 20 12.0000000 1.08669 90.9% 31.9 2s * 188 85 14 11.0000000 3.43244 68.8% 26.2 2s H 590 87 10.0000000 7.43719 25.6% 22.0 2s Cutting planes: Gomory: 3 Explored 824 nodes (18672 simplex iterations) in 3.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%