Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:39:50 2012 Optimize a model with 149 rows, 466 columns and 466 nonzeros Model has 296 quadratic constraints Presolve removed 0 rows and 25 columns Presolve time: 1.73s Presolved: 149 rows, 441 columns, 441 nonzeros Variable types: 296 continuous, 145 integer (144 binary) Root relaxation: objective 0.000000e+00, 53 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 63.0000000 - - - 1s 0 0 0.00000 0 2 63.00000 0.00000 100% - 1s 0 0 0.00000 0 13 63.00000 0.00000 100% - 1s 0 0 0.00000 0 3 63.00000 0.00000 100% - 1s 0 2 0.00000 0 85 63.00000 0.00000 100% - 1s * 9 9 6 3.0000000 1.50000 50.0% 114 1s Cutting planes: Explored 23 nodes (2100 simplex iterations) in 1.82 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%