Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:33 2012 Optimize a model with 77 rows, 202 columns and 202 nonzeros Model has 152 quadratic constraints Presolve time: 0.89s Presolved: 77 rows, 202 columns, 202 nonzeros Variable types: 152 continuous, 50 integer (50 binary) Root relaxation: objective 0.000000e+00, 25 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 45.0000000 - - - 0s 0 0 0.00000 0 2 45.00000 0.00000 100% - 0s 0 0 0.00000 0 3 45.00000 0.00000 100% - 0s 0 0 0.00000 0 3 45.00000 0.00000 100% - 0s 0 2 0.00000 0 42 45.00000 0.00000 100% - 0s * 35 35 19 16.0000000 3.01000 81.2% 20.0 0s H 49 28 12.0000000 3.06667 74.4% 18.6 0s * 51 27 11 11.0000000 3.06667 72.1% 18.8 0s Cutting planes: Gomory: 1 Explored 249 nodes (4114 simplex iterations) in 1.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%