Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:07:42 2012 Optimize a model with 217 rows, 636 columns and 636 nonzeros Model has 432 quadratic constraints Presolve removed 0 rows and 24 columns Presolve time: 2.52s Presolved: 217 rows, 612 columns, 612 nonzeros Variable types: 432 continuous, 180 integer (179 binary) Root relaxation: objective 0.000000e+00, 77 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 100.0000000 - - - 2s 0 0 0.00000 0 4 100.00000 0.00000 100% - 2s 0 0 0.00000 0 3 100.00000 0.00000 100% - 2s 0 0 0.00000 0 3 100.00000 0.00000 100% - 2s 0 2 0.00000 0 99 100.00000 0.00000 100% - 2s H 27 27 17.0000000 1.50649 91.1% 42.7 2s H 68 54 16.0000000 1.53846 90.4% 26.3 2s * 162 85 55 15.0000000 2.80851 81.3% 19.1 2s * 496 179 16 14.0000000 6.22689 55.5% 16.5 2s 834 267 cutoff 25 14.00000 6.95276 50.3% 28.4 5s * 1023 210 29 13.0000000 6.95276 46.5% 29.3 5s H 1188 127 12.0000000 6.95276 42.1% 29.7 5s * 1498 107 27 11.0000000 8.57343 22.1% 32.1 6s Explored 1763 nodes (58615 simplex iterations) in 7.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%