Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:19:46 2012 Optimize a model with 81 rows, 279 columns and 279 nonzeros Model has 160 quadratic constraints Presolve removed 0 rows and 27 columns Presolve time: 0.93s Presolved: 81 rows, 252 columns, 252 nonzeros Variable types: 160 continuous, 92 integer (91 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 31.0000000 - - - 0s 0 0 0.00000 0 2 31.00000 0.00000 100% - 0s 0 0 0.00000 0 7 31.00000 0.00000 100% - 0s 0 0 0.00000 0 2 31.00000 0.00000 100% - 0s 0 2 0.00000 0 2 31.00000 0.00000 100% - 0s * 2 2 1 0.0000000 0.00000 0.0% 34.5 0s Cutting planes: Explored 3 nodes (656 simplex iterations) in 0.95 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%