Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:54:33 2012 Optimize a model with 199 rows, 583 columns and 583 nonzeros Model has 396 quadratic constraints Presolve removed 0 rows and 24 columns Presolve time: 2.31s Presolved: 199 rows, 559 columns, 559 nonzeros Variable types: 396 continuous, 163 integer (162 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 93.0000000 - - - 2s 0 0 0.00000 0 113 93.00000 0.00000 100% - 2s 0 0 0.03262 0 151 93.00000 0.03262 100% - 2s 0 2 0.04346 0 151 93.00000 0.04346 100% - 2s * 42 31 23 13.0000000 1.35556 89.6% 30.0 2s * 134 53 19 12.0000000 4.14388 65.5% 23.1 2s * 319 47 9 11.0000000 6.78947 38.3% 23.6 2s Cutting planes: Gomory: 5 Explored 444 nodes (11902 simplex iterations) in 2.73 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%