Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:53:49 2012 Optimize a model with 202 rows, 587 columns and 587 nonzeros Model has 402 quadratic constraints Presolve removed 0 rows and 15 columns Presolve time: 2.34s Presolved: 202 rows, 572 columns, 572 nonzeros Variable types: 402 continuous, 170 integer (169 binary) Root relaxation: objective 0.000000e+00, 71 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 103.0000000 - - - 2s 0 0 0.00000 0 2 103.00000 0.00000 100% - 2s 0 0 0.00000 0 70 103.00000 0.00000 100% - 2s 0 0 0.00000 0 71 103.00000 0.00000 100% - 2s 0 2 0.00000 0 132 103.00000 0.00000 100% - 2s H 45 45 12.0000000 1.41176 88.2% 33.5 2s * 45 41 29 10.0000000 1.41176 85.9% 33.5 2s Cutting planes: Explored 780 nodes (25609 simplex iterations) in 3.12 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%