Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:26:26 2012 Optimize a model with 122 rows, 391 columns and 391 nonzeros Model has 242 quadratic constraints Presolve removed 0 rows and 32 columns Presolve time: 1.41s Presolved: 122 rows, 359 columns, 359 nonzeros Variable types: 242 continuous, 117 integer (116 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 58.0000000 - - - 1s 0 0 0.00000 0 22 58.00000 0.00000 100% - 1s 0 0 0.00000 0 65 58.00000 0.00000 100% - 1s 0 0 0.00000 0 25 58.00000 0.00000 100% - 1s 0 2 0.00000 0 25 58.00000 0.00000 100% - 1s H 24 22 4.0000000 0.00000 100% 30.5 1s * 41 27 31 3.0000000 0.00000 100% 21.1 1s H 72 38 3.0000000 0.17355 94.2% 16.1 1s * 106 19 4 2.0000000 0.39519 80.2% 14.8 1s Cutting planes: Explored 144 nodes (3273 simplex iterations) in 1.53 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%