Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:05:05 2012 Optimize a model with 206 rows, 611 columns and 611 nonzeros Model has 410 quadratic constraints Presolve removed 0 rows and 16 columns Presolve time: 2.39s Presolved: 206 rows, 595 columns, 595 nonzeros Variable types: 410 continuous, 185 integer (184 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 0 102.0000000 - - - 2s 0 0 0.00000 0 8 102.00000 0.00000 100% - 2s 0 0 0.00000 0 128 102.00000 0.00000 100% - 2s 0 0 0.00000 0 115 102.00000 0.00000 100% - 2s 0 2 0.00000 0 111 102.00000 0.00000 100% - 2s * 34 32 24 11.0000000 1.77863 83.8% 35.4 2s H 682 226 10.0000000 6.11494 38.9% 24.4 3s 1358 145 9.93548 21 271 10.00000 7.38232 26.2% 30.7 5s Explored 1946 nodes (58944 simplex iterations) in 6.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%