Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:57:15 2012 Optimize a model with 182 rows, 553 columns and 553 nonzeros Model has 362 quadratic constraints Presolve removed 0 rows and 31 columns Presolve time: 2.11s Presolved: 182 rows, 522 columns, 522 nonzeros Variable types: 362 continuous, 160 integer (159 binary) Root relaxation: objective 0.000000e+00, 65 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 95.0000000 - - - 2s 0 0 0.00000 0 63 95.00000 0.00000 100% - 2s 0 0 0.00000 0 85 95.00000 0.00000 100% - 2s 0 0 0.00000 0 104 95.00000 0.00000 100% - 2s 0 2 0.00000 0 104 95.00000 0.00000 100% - 2s H 27 23 5.0000000 0.57132 88.6% 39.6 2s * 57 27 10 4.0000000 0.88368 77.9% 29.3 2s Cutting planes: Explored 111 nodes (5220 simplex iterations) in 2.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%