Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:45:07 2012 Optimize a model with 106 rows, 255 columns and 255 nonzeros Model has 210 quadratic constraints Presolve time: 1.23s Presolved: 106 rows, 255 columns, 255 nonzeros Variable types: 210 continuous, 45 integer (45 binary) Root relaxation: objective 0.000000e+00, 22 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 47.0000000 - - - 1s 0 0 0.00000 0 4 47.00000 0.00000 100% - 1s 0 0 0.00000 0 44 47.00000 0.00000 100% - 1s 0 0 0.00000 0 44 47.00000 0.00000 100% - 1s 0 2 0.00000 0 44 47.00000 0.00000 100% - 1s * 33 33 17 25.0000000 3.16216 87.4% 25.4 1s * 86 66 16 23.0000000 4.36250 81.0% 21.2 1s * 2407 110 37 22.0000000 19.27309 12.4% 18.8 2s Explored 2543 nodes (46912 simplex iterations) in 2.93 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.200000000000e+01, best bound 2.200000000000e+01, gap 0.0%