Gurobi 5.0.1 (linux64) logging started Sun Nov 18 08:23:53 2012 Optimize a model with 296 rows, 826 columns and 826 nonzeros Model has 590 quadratic constraints Presolve removed 0 rows and 12 columns Presolve time: 3.44s Presolved: 296 rows, 814 columns, 814 nonzeros Variable types: 590 continuous, 224 integer (223 binary) Root relaxation: objective 0.000000e+00, 83 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 143.0000000 - - - 3s 0 0 0.00000 0 93 143.00000 0.00000 100% - 3s 0 0 0.00000 0 118 143.00000 0.00000 100% - 3s 0 0 0.00000 0 190 143.00000 0.00000 100% - 3s 0 2 0.00000 0 190 143.00000 0.00000 100% - 3s H 54 54 32.0000000 3.05651 90.4% 38.4 3s * 71 65 45 31.0000000 3.05651 90.1% 32.7 3s * 163 130 37 29.0000000 4.73856 83.7% 29.2 3s * 256 146 18 25.0000000 5.20927 79.2% 32.7 4s * 295 153 14 24.0000000 5.72735 76.1% 35.7 4s 606 253 9.77143 11 502 24.00000 9.77143 59.3% 38.4 5s 2069 622 cutoff 36 24.00000 12.60870 47.5% 42.8 10s 3955 1127 cutoff 32 24.00000 15.08377 37.2% 38.1 15s 5884 1502 21.96000 31 477 24.00000 16.69231 30.4% 36.5 20s 7925 1762 23.00000 34 431 24.00000 17.64583 26.5% 35.1 25s 10000 1913 21.50000 33 483 24.00000 18.36364 23.5% 34.0 30s 12152 1967 23.90456 34 411 24.00000 19.00000 20.8% 33.0 35s 14228 1916 cutoff 35 24.00000 19.48387 18.8% 32.7 40s 16450 1757 21.88623 32 458 24.00000 20.00000 16.7% 32.1 45s 18670 1527 22.46561 35 468 24.00000 20.47904 14.7% 31.7 50s 20970 1166 22.50000 33 453 24.00000 21.00000 12.5% 31.3 55s 23397 628 23.13287 33 388 24.00000 22.00000 8.33% 30.8 60s Explored 24684 nodes (757069 simplex iterations) in 62.40 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.400000000000e+01, best bound 2.400000000000e+01, gap 0.0%