Gurobi 5.0.1 (linux64) logging started Sun Nov 18 01:19:55 2012 Optimize a model with 170 rows, 397 columns and 397 nonzeros Model has 338 quadratic constraints Presolve time: 1.97s Presolved: 170 rows, 397 columns, 397 nonzeros Variable types: 338 continuous, 59 integer (59 binary) Root relaxation: objective 0.000000e+00, 29 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 95.0000000 - - - 1s 0 0 0.00000 0 24 95.00000 0.00000 100% - 1s 0 0 0.00000 0 42 95.00000 0.00000 100% - 1s 0 0 0.00000 0 33 95.00000 0.00000 100% - 1s 0 2 0.00000 0 33 95.00000 0.00000 100% - 2s * 43 43 25 50.0000000 5.90909 88.2% 37.7 2s H 76 65 45.0000000 6.00000 86.7% 35.4 2s * 146 105 22 44.0000000 9.51852 78.4% 33.4 2s * 390 222 22 43.0000000 14.28846 66.8% 34.1 2s H 562 283 42.0000000 17.46512 58.4% 32.7 2s 1836 610 39.82692 44 142 42.00000 20.55556 51.1% 30.8 5s 6917 2282 40.87500 47 209 42.00000 27.40000 34.8% 21.8 10s * 7507 2195 55 40.0000000 27.88043 30.3% 21.4 10s 9912 2387 37.88068 39 211 40.00000 29.80000 25.5% 20.6 15s 11738 2450 35.77128 39 234 40.00000 31.00000 22.5% 20.1 20s 16735 2039 cutoff 47 40.00000 33.70789 15.7% 19.2 25s Explored 21501 nodes (397896 simplex iterations) in 29.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.000000000000e+01, best bound 4.000000000000e+01, gap 0.0%