Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:19:28 2012 Optimize a model with 79 rows, 273 columns and 273 nonzeros Model has 156 quadratic constraints Presolve removed 0 rows and 32 columns Presolve time: 0.91s Presolved: 79 rows, 241 columns, 241 nonzeros Variable types: 156 continuous, 85 integer (84 binary) Root relaxation: objective 0.000000e+00, 31 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 36.0000000 - - - 0s 0 0 0.00000 0 7 36.00000 0.00000 100% - 0s 0 0 0.00000 0 15 36.00000 0.00000 100% - 0s 0 0 0.00000 0 37 36.00000 0.00000 100% - 0s 0 2 0.00000 0 3 36.00000 0.00000 100% - 0s * 15 11 13 1.0000000 0.00000 100% 26.3 0s Cutting planes: Explored 84 nodes (1578 simplex iterations) in 0.96 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%