Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:33 2012 Optimize a model with 54 rows, 150 columns and 150 nonzeros Model has 106 quadratic constraints Presolve removed 0 rows and 2 columns Presolve time: 0.62s Presolved: 54 rows, 148 columns, 148 nonzeros Variable types: 106 continuous, 42 integer (41 binary) Root relaxation: objective 0.000000e+00, 21 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 30.0000000 - - - 0s 0 0 0.00000 0 20 30.00000 0.00000 100% - 0s 0 0 0.00000 0 27 30.00000 0.00000 100% - 0s 0 0 0.00000 0 26 30.00000 0.00000 100% - 0s 0 2 0.00000 0 24 30.00000 0.00000 100% - 0s H 8 8 9.0000000 2.33333 74.1% 31.4 0s * 17 14 11 7.0000000 2.33333 66.7% 20.2 0s * 29 11 8 5.0000000 2.50000 50.0% 15.7 0s Cutting planes: Gomory: 2 Explored 51 nodes (1020 simplex iterations) in 0.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%