Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:18:53 2012 Optimize a model with 73 rows, 257 columns and 257 nonzeros Model has 144 quadratic constraints Presolve removed 0 rows and 25 columns Presolve time: 0.84s Presolved: 73 rows, 232 columns, 232 nonzeros Variable types: 144 continuous, 88 integer (87 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 32.0000000 - - - 0s 0 0 0.00000 0 3 32.00000 0.00000 100% - 0s 0 0 0.00000 0 2 32.00000 0.00000 100% - 0s 0 0 0.00000 0 2 32.00000 0.00000 100% - 0s 0 2 0.00000 0 2 32.00000 0.00000 100% - 0s * 5 3 3 0.0000000 0.00000 0.0% 18.8 0s Cutting planes: Explored 6 nodes (503 simplex iterations) in 0.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0%