Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:38 2012 Optimize a model with 78 rows, 191 columns and 191 nonzeros Model has 154 quadratic constraints Presolve time: 0.90s Presolved: 78 rows, 191 columns, 191 nonzeros Variable types: 154 continuous, 37 integer (37 binary) Root relaxation: objective 0.000000e+00, 18 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 36.0000000 - - - 0s 0 0 0.00000 0 35 36.00000 0.00000 100% - 0s 0 0 0.54775 0 37 36.00000 0.54775 98.5% - 0s 0 2 0.56667 0 37 36.00000 0.56667 98.4% - 0s * 27 27 18 18.0000000 2.93333 83.7% 29.1 0s * 583 88 11 17.0000000 10.18235 40.1% 16.5 1s Cutting planes: Gomory: 1 Explored 981 nodes (15421 simplex iterations) in 1.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.700000000000e+01, best bound 1.700000000000e+01, gap 0.0%