Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:41:46 2012 Optimize a model with 140 rows, 451 columns and 451 nonzeros Model has 278 quadratic constraints Presolve removed 0 rows and 39 columns Presolve time: 1.62s Presolved: 140 rows, 412 columns, 412 nonzeros Variable types: 278 continuous, 134 integer (133 binary) Root relaxation: objective 0.000000e+00, 51 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 60.0000000 - - - 1s 0 0 0.00000 0 74 60.00000 0.00000 100% - 1s 0 0 0.00000 0 98 60.00000 0.00000 100% - 1s 0 0 0.00000 0 98 60.00000 0.00000 100% - 1s 0 2 0.00000 0 92 60.00000 0.00000 100% - 1s * 22 16 14 5.0000000 0.87879 82.4% 28.0 1s * 37 14 10 4.0000000 1.40000 65.0% 22.0 1s * 52 4 2 3.0000000 1.78571 40.5% 19.4 1s Cutting planes: Gomory: 3 Explored 58 nodes (2235 simplex iterations) in 1.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%