Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:19:35 2012 Optimize a model with 81 rows, 277 columns and 277 nonzeros Model has 160 quadratic constraints Presolve removed 0 rows and 23 columns Presolve time: 0.93s Presolved: 81 rows, 254 columns, 254 nonzeros Variable types: 160 continuous, 94 integer (93 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 39.0000000 - - - 0s 0 0 0.00000 0 2 39.00000 0.00000 100% - 0s 0 0 0.00000 0 20 39.00000 0.00000 100% - 0s 0 0 0.00000 0 5 39.00000 0.00000 100% - 0s 0 2 0.00000 0 4 39.00000 0.00000 100% - 0s H 8 8 1.0000000 0.00000 100% 18.1 0s * 12 6 6 0.0000000 0.00000 0.0% 19.0 0s Cutting planes: Explored 13 nodes (759 simplex iterations) in 0.96 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%