Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:56:46 2012 Optimize a model with 97 rows, 240 columns and 240 nonzeros Model has 192 quadratic constraints Presolve time: 1.12s Presolved: 97 rows, 240 columns, 240 nonzeros Variable types: 192 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 46.0000000 - - - 1s 0 0 0.00000 0 22 46.00000 0.00000 100% - 1s 0 0 0.00000 0 42 46.00000 0.00000 100% - 1s 0 0 0.00000 0 39 46.00000 0.00000 100% - 1s 0 2 0.00000 0 39 46.00000 0.00000 100% - 1s * 27 27 16 20.0000000 4.00000 80.0% 28.7 1s * 1437 32 36 19.0000000 17.30220 8.94% 19.5 2s Explored 1469 nodes (28916 simplex iterations) in 2.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.900000000000e+01, best bound 1.900000000000e+01, gap 0.0%