Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:04:14 2012 Optimize a model with 202 rows, 602 columns and 602 nonzeros Model has 402 quadratic constraints Presolve removed 0 rows and 27 columns Presolve time: 2.34s Presolved: 202 rows, 575 columns, 575 nonzeros Variable types: 402 continuous, 173 integer (172 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 96.0000000 - - - 2s 0 0 0.00000 0 72 96.00000 0.00000 100% - 2s 0 0 0.00000 0 106 96.00000 0.00000 100% - 2s 0 0 0.00000 0 64 96.00000 0.00000 100% - 2s 0 2 0.00000 0 125 96.00000 0.00000 100% - 2s * 37 37 22 13.0000000 1.91667 85.3% 40.2 2s * 96 46 20 11.0000000 2.23077 79.7% 24.0 2s * 173 82 18 10.0000000 4.78070 52.2% 20.9 2s Cutting planes: Explored 569 nodes (11954 simplex iterations) in 2.86 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%