Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:47:02 2012 Optimize a model with 183 rows, 445 columns and 445 nonzeros Model has 364 quadratic constraints Presolve time: 2.12s Presolved: 183 rows, 445 columns, 445 nonzeros Variable types: 364 continuous, 81 integer (81 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 95.0000000 - - - 2s 0 0 0.00000 0 77 95.00000 0.00000 100% - 2s 0 0 0.47952 0 81 95.00000 0.47952 99.5% - 2s 0 0 0.47986 0 81 95.00000 0.47986 99.5% - 2s 0 2 0.49248 0 81 95.00000 0.49248 99.5% - 2s H 42 42 42.0000000 4.51050 89.3% 31.3 2s H 130 100 41.0000000 7.69554 81.2% 29.1 2s * 131 101 25 40.0000000 7.69554 80.8% 29.0 2s * 471 305 19 39.0000000 12.16526 68.8% 30.8 2s 1336 675 31.78571 40 259 39.00000 13.85526 64.5% 34.9 5s H 1994 800 38.0000000 15.00000 60.5% 30.2 5s H 2004 752 37.0000000 15.00000 59.5% 30.1 5s * 2011 710 48 36.0000000 15.00000 58.3% 30.0 5s * 2319 825 44 35.0000000 15.92308 54.5% 28.3 6s * 2346 783 53 34.0000000 16.00000 52.9% 28.2 6s H 3555 1091 33.0000000 19.00000 42.4% 25.8 7s 4336 1274 27.71233 43 266 33.00000 20.09836 39.1% 24.9 10s * 4774 1277 48 32.0000000 20.79630 35.0% 24.3 11s 7267 1325 cutoff 37 32.00000 23.80000 25.6% 22.9 15s 9399 955 27.20000 42 263 32.00000 26.31034 17.8% 22.5 20s Explored 11068 nodes (244502 simplex iterations) in 22.92 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.200000000000e+01, best bound 3.200000000000e+01, gap 0.0%