Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:05 2012 Optimize a model with 26 rows, 74 columns and 74 nonzeros Model has 50 quadratic constraints Presolve time: 0.29s Presolved: 26 rows, 74 columns, 74 nonzeros Variable types: 50 continuous, 24 integer (24 binary) Root relaxation: objective 0.000000e+00, 12 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 6 15.00000 0.00000 100% - 0s 0 0 0.00000 0 7 15.00000 0.00000 100% - 0s 0 0 0.00000 0 8 15.00000 0.00000 100% - 0s 0 2 0.00000 0 19 15.00000 0.00000 100% - 0s H 8 8 6.0000000 1.00000 83.3% 13.2 0s * 14 11 9 3.0000000 1.00000 66.7% 10.0 0s * 33 5 6 2.0000000 1.38889 30.6% 6.7 0s Cutting planes: Explored 40 nodes (360 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%