Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:23:33 2012 Optimize a model with 111 rows, 358 columns and 358 nonzeros Model has 220 quadratic constraints Presolve removed 0 rows and 25 columns Presolve time: 1.28s Presolved: 111 rows, 333 columns, 333 nonzeros Variable types: 220 continuous, 113 integer (112 binary) Root relaxation: objective 0.000000e+00, 41 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 59.0000000 - - - 1s 0 0 0.00000 0 20 59.00000 0.00000 100% - 1s 0 0 0.00000 0 10 59.00000 0.00000 100% - 1s 0 0 0.00000 0 10 59.00000 0.00000 100% - 1s 0 2 0.00000 0 9 59.00000 0.00000 100% - 1s H 16 16 8.0000000 0.43836 94.5% 55.5 1s H 27 27 7.0000000 0.43836 93.7% 36.8 1s H 40 34 5.0000000 0.43836 91.2% 29.7 1s H 56 15 3.0000000 0.47368 84.2% 23.9 1s * 69 6 9 2.0000000 0.96667 51.7% 21.6 1s Cutting planes: Gomory: 1 Explored 80 nodes (2509 simplex iterations) in 1.40 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%