Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:13:41 2012 Optimize a model with 84 rows, 225 columns and 225 nonzeros Model has 166 quadratic constraints Presolve removed 0 rows and 2 columns Presolve time: 0.97s Presolved: 84 rows, 223 columns, 223 nonzeros Variable types: 166 continuous, 57 integer (56 binary) Root relaxation: objective 0.000000e+00, 29 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 41.0000000 - - - 0s 0 0 0.00000 0 34 41.00000 0.00000 100% - 0s 0 0 0.00000 0 38 41.00000 0.00000 100% - 0s 0 0 0.00000 0 38 41.00000 0.00000 100% - 0s 0 2 0.00000 0 38 41.00000 0.00000 100% - 0s * 27 27 19 14.0000000 3.78947 72.9% 19.4 1s * 30 20 19 13.0000000 3.78947 70.9% 17.6 1s * 48 26 16 11.0000000 4.38462 60.1% 14.9 1s * 53 8 4 7.0000000 4.45455 36.4% 14.5 1s Cutting planes: Gomory: 1 Explored 70 nodes (1502 simplex iterations) in 1.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%