Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:53 2012 Optimize a model with 38 rows, 111 columns and 111 nonzeros Model has 74 quadratic constraints Presolve removed 0 rows and 5 columns Presolve time: 0.43s Presolved: 38 rows, 106 columns, 106 nonzeros Variable types: 74 continuous, 32 integer (31 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 23.0000000 - - - 0s 0 0 0.00000 0 20 23.00000 0.00000 100% - 0s 0 0 0.00000 0 25 23.00000 0.00000 100% - 0s 0 0 0.00000 0 25 23.00000 0.00000 100% - 0s H 0 0 16.0000000 0.00000 100% - 0s 0 2 0.00000 0 25 16.00000 0.00000 100% - 0s * 11 11 9 5.0000000 2.03448 59.3% 16.5 0s * 24 14 8 4.0000000 2.04673 48.8% 11.8 0s * 38 4 3 3.0000000 2.37500 20.8% 9.4 0s Cutting planes: Gomory: 1 Explored 45 nodes (647 simplex iterations) in 0.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%