Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:03:11 2012 Optimize a model with 209 rows, 615 columns and 615 nonzeros Model has 416 quadratic constraints Presolve removed 0 rows and 25 columns Presolve time: 2.43s Presolved: 209 rows, 590 columns, 590 nonzeros Variable types: 416 continuous, 174 integer (173 binary) Root relaxation: objective 0.000000e+00, 73 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 0 107 95.00000 0.00000 100% - 2s 0 0 0.00000 0 144 95.00000 0.00000 100% - 2s 0 0 0.00000 0 144 95.00000 0.00000 100% - 2s 0 2 0.00000 0 144 95.00000 0.00000 100% - 2s H 38 35 13.0000000 1.90526 85.3% 29.5 2s * 41 30 23 12.0000000 1.90526 84.1% 29.2 2s * 831 153 32 11.0000000 9.11446 17.1% 31.8 4s 867 139 9.36774 24 357 11.00000 9.11446 17.1% 32.1 5s Explored 979 nodes (33544 simplex iterations) in 5.18 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%