Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:22:57 2012 Optimize a model with 116 rows, 365 columns and 365 nonzeros Model has 230 quadratic constraints Presolve removed 0 rows and 22 columns Presolve time: 1.34s Presolved: 116 rows, 343 columns, 343 nonzeros Variable types: 230 continuous, 113 integer (112 binary) Root relaxation: objective 0.000000e+00, 43 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 54.0000000 - - - 1s 0 0 0.00000 0 2 54.00000 0.00000 100% - 1s 0 0 0.00000 0 52 54.00000 0.00000 100% - 1s 0 0 0.00000 0 55 54.00000 0.00000 100% - 1s 0 2 0.00000 0 55 54.00000 0.00000 100% - 1s * 21 21 17 6.0000000 0.84058 86.0% 25.9 1s H 34 25 5.0000000 1.07273 78.5% 19.4 1s * 77 28 26 4.0000000 1.18182 70.5% 12.6 1s * 116 19 15 3.0000000 1.91667 36.1% 11.1 1s Cutting planes: Explored 155 nodes (2342 simplex iterations) in 1.44 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%