Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:49 2012 Optimize a model with 64 rows, 142 columns and 142 nonzeros Model has 126 quadratic constraints Presolve time: 0.73s Presolved: 64 rows, 142 columns, 142 nonzeros Variable types: 126 continuous, 16 integer (16 binary) Root relaxation: objective 0.000000e+00, 8 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 35.0000000 - - - 0s 0 0 0.00000 0 14 35.00000 0.00000 100% - 0s 0 0 0.50000 0 16 35.00000 0.50000 98.6% - 0s 0 0 0.50000 0 16 35.00000 0.50000 98.6% - 0s 0 2 0.50000 0 16 35.00000 0.50000 98.6% - 0s * 19 19 10 29.0000000 5.16667 82.2% 28.2 0s * 20 18 10 26.0000000 5.16667 80.1% 27.4 0s Cutting planes: Gomory: 1 Explored 329 nodes (4812 simplex iterations) in 0.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.600000000000e+01, best bound 2.600000000000e+01, gap 0.0%