Gurobi 5.0.1 (linux64) logging started Sun Nov 18 02:01:06 2012 Optimize a model with 178 rows, 416 columns and 416 nonzeros Model has 354 quadratic constraints Presolve time: 2.06s Presolved: 178 rows, 416 columns, 416 nonzeros Variable types: 354 continuous, 62 integer (62 binary) Root relaxation: objective 0.000000e+00, 31 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 92.0000000 - - - 2s 0 0 0.00000 0 31 92.00000 0.00000 100% - 2s 0 0 0.00000 0 61 92.00000 0.00000 100% - 2s 0 0 0.00000 0 61 92.00000 0.00000 100% - 2s 0 2 0.00000 0 61 92.00000 0.00000 100% - 2s * 37 37 26 47.0000000 4.14286 91.2% 37.8 2s * 38 36 26 46.0000000 4.14286 91.0% 37.1 2s * 278 213 18 45.0000000 11.00000 75.6% 37.5 2s * 280 207 18 44.0000000 11.00000 75.0% 37.4 2s H 336 199 40.0000000 11.58824 71.0% 37.0 2s 1083 491 38.29167 37 249 40.00000 16.36364 59.1% 41.4 5s 5824 1902 38.15556 39 240 40.00000 27.73684 30.7% 22.7 10s 11169 2769 37.83333 40 247 40.00000 30.88889 22.8% 19.5 15s 16548 2708 cutoff 50 40.00000 33.16667 17.1% 18.5 20s 21970 1946 cutoff 42 40.00000 35.33333 11.7% 18.1 25s *22286 1578 48 39.0000000 35.50000 8.97% 18.1 25s 23110 1004 37.91111 38 246 39.00000 36.25000 7.05% 18.0 30s 23955 244 cutoff 48 39.00000 37.37500 4.17% 17.8 35s Explored 24201 nodes (428483 simplex iterations) in 35.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.900000000000e+01, best bound 3.900000000000e+01, gap 0.0%