Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:03 2012 Optimize a model with 30 rows, 82 columns and 82 nonzeros Model has 58 quadratic constraints Presolve removed 0 rows and 1 columns Presolve time: 0.34s Presolved: 30 rows, 81 columns, 81 nonzeros Variable types: 58 continuous, 23 integer (22 binary) Root relaxation: objective 0.000000e+00, 11 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 15.0000000 - - - 0s 0 0 0.00000 0 7 15.00000 0.00000 100% - 0s 0 0 0.00000 0 19 15.00000 0.00000 100% - 0s 0 0 0.00000 0 18 15.00000 0.00000 100% - 0s H 0 0 12.0000000 0.00000 100% - 0s 0 2 0.00000 0 18 12.00000 0.00000 100% - 0s * 12 11 7 5.0000000 1.80000 64.0% 10.8 0s Cutting planes: Explored 71 nodes (530 simplex iterations) in 0.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%