Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:28 2012 Optimize a model with 30 rows, 90 columns and 90 nonzeros Model has 58 quadratic constraints Presolve removed 0 rows and 3 columns Presolve time: 0.34s Presolved: 30 rows, 87 columns, 87 nonzeros Variable types: 58 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 21.0000000 - - - 0s 0 0 0.00000 0 2 21.00000 0.00000 100% - 0s 0 0 0.00000 0 19 21.00000 0.00000 100% - 0s 0 0 0.00000 0 12 21.00000 0.00000 100% - 0s 0 2 0.00000 0 12 21.00000 0.00000 100% - 0s * 5 5 3 2.0000000 0.60000 70.0% 22.4 0s * 10 3 4 1.0000000 0.60000 40.0% 14.3 0s Cutting planes: Explored 14 nodes (271 simplex iterations) in 0.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%