Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:21:31 2012 Optimize a model with 101 rows, 267 columns and 267 nonzeros Model has 200 quadratic constraints Presolve removed 0 rows and 2 columns Presolve time: 1.17s Presolved: 101 rows, 265 columns, 265 nonzeros Variable types: 200 continuous, 65 integer (64 binary) Root relaxation: objective 0.000000e+00, 33 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 53.0000000 - - - 1s 0 0 0.00000 0 37 53.00000 0.00000 100% - 1s 0 0 0.03700 0 62 53.00000 0.03700 100% - 1s 0 2 0.06502 0 62 53.00000 0.06502 100% - 1s * 26 24 16 15.0000000 1.35294 91.0% 26.8 1s H 43 30 14.0000000 1.92382 86.3% 28.1 1s * 75 37 11 13.0000000 2.54167 80.4% 27.9 1s * 267 19 9 12.0000000 10.00000 16.7% 23.6 1s Cutting planes: Gomory: 1 Explored 293 nodes (7267 simplex iterations) in 1.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%