Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:23:59 2012 Optimize a model with 100 rows, 338 columns and 338 nonzeros Model has 198 quadratic constraints Presolve removed 0 rows and 31 columns Presolve time: 1.16s Presolved: 100 rows, 307 columns, 307 nonzeros Variable types: 198 continuous, 109 integer (108 binary) Root relaxation: objective 0.000000e+00, 37 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 - - - 1s 0 0 0.00000 0 2 45.00000 0.00000 100% - 1s 0 0 0.00000 0 2 45.00000 0.00000 100% - 1s 0 0 0.00000 0 2 45.00000 0.00000 100% - 1s 0 2 0.00000 0 2 45.00000 0.00000 100% - 1s * 17 12 11 2.0000000 0.00000 100% 32.9 1s H 178 60 2.0000000 0.94118 52.9% 8.8 1s Cutting planes: Explored 456 nodes (3372 simplex iterations) in 1.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.999999999244e+00, best bound 1.999999999244e+00, gap 0.0%