Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:13 2012 Optimize a model with 26 rows, 78 columns and 78 nonzeros Model has 50 quadratic constraints Presolve removed 0 rows and 4 columns Presolve time: 0.29s Presolved: 26 rows, 74 columns, 74 nonzeros Variable types: 50 continuous, 24 integer (23 binary) Root relaxation: objective 0.000000e+00, 13 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 12.0000000 - - - 0s 0 0 0.00000 0 20 12.00000 0.00000 100% - 0s 0 0 0.21514 0 23 12.00000 0.21514 98.2% - 0s H 0 0 6.0000000 0.21514 96.4% - 0s 0 2 0.60000 0 23 6.00000 0.60000 90.0% - 0s * 12 12 12 4.0000000 1.00000 75.0% 5.7 0s * 13 9 12 3.0000000 1.00000 66.7% 5.4 0s * 21 7 5 2.0000000 1.51515 24.2% 5.4 0s Cutting planes: Gomory: 1 Explored 32 nodes (363 simplex iterations) in 0.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%