Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:53:16 2012 Optimize a model with 89 rows, 194 columns and 194 nonzeros Model has 176 quadratic constraints Presolve time: 1.02s Presolved: 89 rows, 194 columns, 194 nonzeros Variable types: 176 continuous, 18 integer (18 binary) Root relaxation: objective 0.000000e+00, 9 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 42.0000000 - - - 1s 0 0 0.00000 0 14 42.00000 0.00000 100% - 1s 0 0 0.35714 0 18 42.00000 0.35714 99.1% - 1s 0 0 0.35714 0 18 42.00000 0.35714 99.1% - 1s 0 2 0.35714 0 18 42.00000 0.35714 99.1% - 1s * 22 22 12 39.0000000 5.92857 84.8% 32.3 1s H 59 40 37.0000000 9.53333 74.2% 26.1 1s * 758 94 12 36.0000000 28.40000 21.1% 18.6 1s Cutting planes: Gomory: 1 Explored 1121 nodes (18586 simplex iterations) in 1.43 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.600000000000e+01, best bound 3.600000000000e+01, gap 0.0%