Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:26:05 2012 Optimize a model with 121 rows, 388 columns and 388 nonzeros Model has 240 quadratic constraints Presolve removed 0 rows and 30 columns Presolve time: 1.39s Presolved: 121 rows, 358 columns, 358 nonzeros Variable types: 240 continuous, 118 integer (117 binary) Root relaxation: objective 0.000000e+00, 45 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 61.0000000 - - - 1s 0 0 0.00000 0 32 61.00000 0.00000 100% - 1s 0 0 0.00000 0 69 61.00000 0.00000 100% - 1s 0 0 0.00000 0 67 61.00000 0.00000 100% - 1s 0 2 0.00000 0 67 61.00000 0.00000 100% - 1s * 24 22 19 5.0000000 0.67944 86.4% 29.6 1s * 78 26 7 4.0000000 0.96606 75.8% 17.6 1s * 266 3 6 3.0000000 2.77922 7.36% 11.4 1s Cutting planes: Explored 270 nodes (4130 simplex iterations) in 1.54 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%