Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:53:51 2012 Optimize a model with 88 rows, 194 columns and 194 nonzeros Model has 174 quadratic constraints Presolve time: 1.01s Presolved: 88 rows, 194 columns, 194 nonzeros Variable types: 174 continuous, 20 integer (20 binary) Root relaxation: objective 0.000000e+00, 10 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 48.0000000 - - - 1s 0 0 0.00000 0 17 48.00000 0.00000 100% - 1s 0 0 0.46617 0 19 48.00000 0.46617 99.0% - 1s 0 2 0.50000 0 19 48.00000 0.50000 99.0% - 1s * 23 23 13 36.0000000 4.28571 88.1% 22.7 1s * 43 35 11 34.0000000 4.40000 87.1% 21.7 1s H 90 55 33.0000000 8.00777 75.7% 23.1 1s * 584 79 9 32.0000000 23.60969 26.2% 20.5 1s Cutting planes: Gomory: 1 Explored 784 nodes (15409 simplex iterations) in 1.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.200000000000e+01, best bound 3.200000000000e+01, gap 0.0%