Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:56:26 2012 Optimize a model with 118 rows, 282 columns and 282 nonzeros Model has 234 quadratic constraints Presolve time: 1.36s Presolved: 118 rows, 282 columns, 282 nonzeros Variable types: 234 continuous, 48 integer (48 binary) Root relaxation: objective 0.000000e+00, 24 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 63.0000000 - - - 1s 0 0 0.00000 0 23 63.00000 0.00000 100% - 1s 0 0 0.00000 0 40 63.00000 0.00000 100% - 1s 0 0 0.00000 0 38 63.00000 0.00000 100% - 1s 0 2 0.00000 0 33 63.00000 0.00000 100% - 1s * 41 41 24 35.0000000 3.60000 89.7% 28.5 1s H 69 54 32.0000000 3.63415 88.6% 28.9 1s * 71 50 18 31.0000000 3.63415 88.3% 28.5 1s H 91 66 30.0000000 5.33333 82.2% 30.0 1s * 134 82 15 26.0000000 5.82051 77.6% 30.7 1s * 1606 12 14 25.0000000 24.25000 3.00% 24.5 2s Cutting planes: Gomory: 1 Explored 1623 nodes (39963 simplex iterations) in 2.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.500000000000e+01, best bound 2.500000000000e+01, gap 0.0%