Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:33 2012 Optimize a model with 29 rows, 89 columns and 89 nonzeros Model has 56 quadratic constraints Presolve removed 0 rows and 2 columns Presolve time: 0.33s Presolved: 29 rows, 87 columns, 87 nonzeros Variable types: 56 continuous, 31 integer (30 binary) Root relaxation: objective 0.000000e+00, 13 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 15.0000000 - - - 0s 0 0 0.00000 0 4 15.00000 0.00000 100% - 0s 0 0 0.00000 0 12 15.00000 0.00000 100% - 0s 0 0 0.00000 0 2 15.00000 0.00000 100% - 0s 0 2 0.00000 0 2 15.00000 0.00000 100% - 0s * 11 7 9 1.0000000 0.00000 100% 10.2 0s Cutting planes: Explored 27 nodes (404 simplex iterations) in 0.34 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%