Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:19:37 2012 Optimize a model with 78 rows, 272 columns and 272 nonzeros Model has 154 quadratic constraints Presolve removed 0 rows and 29 columns Presolve time: 0.92s Presolved: 78 rows, 243 columns, 243 nonzeros Variable types: 154 continuous, 89 integer (88 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 29.0000000 - - - 0s 0 0 0.00000 0 4 29.00000 0.00000 100% - 0s 0 0 0.00000 0 33 29.00000 0.00000 100% - 0s 0 0 0.00000 0 14 29.00000 0.00000 100% - 0s 0 2 0.00000 0 2 29.00000 0.00000 100% - 0s * 1 1 1 0.0000000 0.00000 0.0% 26.0 0s Cutting planes: Explored 2 nodes (557 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%