Gurobi 5.0.1 (linux64) logging started Sat Nov 17 20:12:18 2012 Optimize a model with 171 rows, 367 columns and 367 nonzeros Model has 340 quadratic constraints Presolve time: 1.97s Presolved: 171 rows, 367 columns, 367 nonzeros Variable types: 340 continuous, 27 integer (27 binary) Root relaxation: objective 0.000000e+00, 13 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 91.0000000 - - - 1s 0 0 0.00000 0 22 91.00000 0.00000 100% - 1s 0 0 0.46914 0 27 91.00000 0.46914 99.5% - 1s 0 2 0.53333 0 27 91.00000 0.53333 99.4% - 1s * 36 36 19 72.0000000 3.54040 95.1% 35.4 2s H 67 56 69.0000000 3.72222 94.6% 35.9 2s * 281 196 16 68.0000000 13.76033 79.8% 34.9 2s 1796 548 cutoff 45 68.00000 30.31579 55.4% 36.7 5s H 1843 547 67.0000000 30.48295 54.5% 36.2 5s H 3967 1033 65.0000000 40.98485 36.9% 28.0 9s 4046 1048 57.24730 41 196 65.00000 41.16198 36.7% 27.8 10s 8815 1184 cutoff 43 65.00000 51.05579 21.5% 24.1 15s Explored 13773 nodes (297998 simplex iterations) in 19.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.500000000000e+01, best bound 6.500000000000e+01, gap 0.0%