Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:45 2012 Optimize a model with 32 rows, 98 columns and 98 nonzeros Model has 62 quadratic constraints Presolve removed 0 rows and 7 columns Presolve time: 0.36s Presolved: 32 rows, 91 columns, 91 nonzeros Variable types: 62 continuous, 29 integer (28 binary) Root relaxation: objective 0.000000e+00, 15 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 12.0000000 - - - 0s 0 0 0.00000 0 19 12.00000 0.00000 100% - 0s 0 0 0.00000 0 24 12.00000 0.00000 100% - 0s 0 0 0.00000 0 24 12.00000 0.00000 100% - 0s H 0 0 11.0000000 0.00000 100% - 0s 0 2 0.12500 0 24 11.00000 0.12500 98.9% - 0s * 7 7 4 3.0000000 1.06617 64.5% 15.9 0s * 8 5 5 2.0000000 1.06617 46.7% 14.1 0s Cutting planes: Gomory: 1 Explored 17 nodes (369 simplex iterations) in 0.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%