Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:06:20 2012 Optimize a model with 205 rows, 611 columns and 611 nonzeros Model has 408 quadratic constraints Presolve removed 0 rows and 20 columns Presolve time: 2.38s Presolved: 205 rows, 591 columns, 591 nonzeros Variable types: 408 continuous, 183 integer (182 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 0 100.0000000 - - - 2s 0 0 0.00000 0 88 100.00000 0.00000 100% - 2s 0 0 0.00000 0 153 100.00000 0.00000 100% - 2s 0 0 0.00000 0 136 100.00000 0.00000 100% - 2s 0 2 0.00000 0 115 100.00000 0.00000 100% - 2s H 27 27 22.0000000 2.05102 90.7% 39.4 2s * 28 24 17 8.0000000 2.05102 74.4% 38.5 2s H 131 19 8.0000000 6.94444 13.2% 25.7 2s Cutting planes: Gomory: 3 Explored 163 nodes (6619 simplex iterations) in 2.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.999999998700e+00, best bound 7.999999998700e+00, gap 0.0%