Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:16 2012 Optimize a model with 58 rows, 149 columns and 149 nonzeros Model has 114 quadratic constraints Presolve time: 0.67s Presolved: 58 rows, 149 columns, 149 nonzeros Variable types: 114 continuous, 35 integer (35 binary) Root relaxation: objective 0.000000e+00, 17 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 29.0000000 - - - 0s 0 0 0.00000 0 14 29.00000 0.00000 100% - 0s 0 0 0.00000 0 31 29.00000 0.00000 100% - 0s 0 0 0.00000 0 31 29.00000 0.00000 100% - 0s 0 2 0.00000 0 31 29.00000 0.00000 100% - 0s * 19 19 12 12.0000000 3.16667 73.6% 21.2 0s * 61 33 10 11.0000000 4.00000 63.6% 15.7 0s Cutting planes: Explored 257 nodes (3377 simplex iterations) in 0.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%