Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:56:39 2012 Optimize a model with 198 rows, 584 columns and 584 nonzeros Model has 394 quadratic constraints Presolve removed 0 rows and 20 columns Presolve time: 2.30s Presolved: 198 rows, 564 columns, 564 nonzeros Variable types: 394 continuous, 170 integer (169 binary) Root relaxation: objective 0.000000e+00, 71 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 99.0000000 - - - 2s 0 0 0.00000 0 72 99.00000 0.00000 100% - 2s 0 0 0.00000 0 100 99.00000 0.00000 100% - 2s 0 0 0.00000 0 84 99.00000 0.00000 100% - 2s 0 2 0.00000 0 71 99.00000 0.00000 100% - 2s * 31 31 22 14.0000000 0.79412 94.3% 57.0 2s H 69 55 13.0000000 2.00000 84.6% 32.3 2s * 69 50 30 12.0000000 2.00000 83.3% 32.4 2s * 98 62 21 11.0000000 2.04082 81.4% 30.6 2s * 318 101 17 10.0000000 4.75342 52.5% 19.8 2s Cutting planes: Explored 758 nodes (15061 simplex iterations) in 2.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%