Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:56:19 2012 Optimize a model with 122 rows, 265 columns and 265 nonzeros Model has 242 quadratic constraints Presolve time: 1.41s Presolved: 122 rows, 265 columns, 265 nonzeros Variable types: 242 continuous, 23 integer (23 binary) Root relaxation: objective 0.000000e+00, 11 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 0.47431 0 23 58.00000 0.47431 99.2% - 1s 0 2 0.99174 0 23 58.00000 0.99174 98.3% - 1s * 30 30 18 48.0000000 4.70588 90.2% 27.7 1s * 31 28 19 47.0000000 4.70588 90.0% 26.8 1s * 258 123 12 45.0000000 16.14620 64.1% 23.6 1s * 504 156 10 43.0000000 23.49887 45.4% 23.6 1s Cutting planes: Gomory: 1 Explored 1699 nodes (35701 simplex iterations) in 2.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.300000000000e+01, best bound 4.300000000000e+01, gap 0.0%