Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:50:02 2012 Optimize a model with 187 rows, 454 columns and 454 nonzeros Model has 372 quadratic constraints Presolve removed 0 rows and 1 columns Presolve time: 2.17s Presolved: 187 rows, 453 columns, 453 nonzeros Variable types: 372 continuous, 81 integer (80 binary) Root relaxation: objective 0.000000e+00, 40 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 101.0000000 - - - 2s 0 0 0.00000 0 6 101.00000 0.00000 100% - 2s 0 0 0.00000 0 4 101.00000 0.00000 100% - 2s 0 0 0.00000 0 3 101.00000 0.00000 100% - 2s 0 2 0.00000 0 3 101.00000 0.00000 100% - 2s * 34 34 27 48.0000000 2.85590 94.1% 35.4 2s H 64 56 46.0000000 2.94444 93.6% 29.7 2s * 70 60 29 45.0000000 2.94444 93.5% 29.2 2s * 214 127 21 39.0000000 6.60556 83.1% 31.4 2s H 333 138 36.0000000 7.86111 78.2% 31.8 2s * 336 133 22 35.0000000 7.86111 77.5% 31.7 2s 1386 415 30.05797 31 272 35.00000 18.00000 48.6% 35.0 5s 5908 1334 cutoff 37 35.00000 25.83333 26.2% 22.8 10s 10655 1320 31.05882 28 277 35.00000 29.37500 16.1% 20.9 15s *12741 751 38 34.0000000 30.77778 9.48% 20.4 17s 13552 142 32.49057 42 228 34.00000 32.25000 5.15% 20.0 20s Explored 13702 nodes (272607 simplex iterations) in 21.59 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.400000000000e+01, best bound 3.400000000000e+01, gap 0.0%