Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:29:00 2012 Optimize a model with 126 rows, 407 columns and 407 nonzeros Model has 250 quadratic constraints Presolve removed 0 rows and 26 columns Presolve time: 1.46s Presolved: 126 rows, 381 columns, 381 nonzeros Variable types: 250 continuous, 131 integer (130 binary) Root relaxation: objective 0.000000e+00, 47 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 65.0000000 - - - 1s 0 0 0.00000 0 37 65.00000 0.00000 100% - 1s 0 0 0.00000 0 61 65.00000 0.00000 100% - 1s 0 0 0.00000 0 51 65.00000 0.00000 100% - 1s 0 2 0.00000 0 51 65.00000 0.00000 100% - 1s H 8 8 16.0000000 0.45000 97.2% 58.5 1s * 17 11 13 3.0000000 0.45000 85.0% 32.6 1s H 56 19 3.0000000 0.94737 68.4% 15.4 1s Cutting planes: Gomory: 1 Explored 149 nodes (2679 simplex iterations) in 1.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.999999999070e+00, best bound 2.999999999070e+00, gap 0.0%