Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:25:12 2012 Optimize a model with 121 rows, 385 columns and 385 nonzeros Model has 240 quadratic constraints Presolve removed 0 rows and 22 columns Presolve time: 1.40s Presolved: 121 rows, 363 columns, 363 nonzeros Variable types: 240 continuous, 123 integer (122 binary) Root relaxation: objective 0.000000e+00, 45 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 73.0000000 - - - 1s 0 0 0.00000 0 3 73.00000 0.00000 100% - 1s 0 0 0.00000 0 45 73.00000 0.00000 100% - 1s 0 0 0.00000 0 45 73.00000 0.00000 100% - 1s 0 2 0.00000 0 45 73.00000 0.00000 100% - 1s * 14 10 8 2.0000000 0.84444 57.8% 44.3 1s Cutting planes: Explored 32 nodes (1559 simplex iterations) in 1.48 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%