Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:20:45 2012 Optimize a model with 95 rows, 312 columns and 312 nonzeros Model has 188 quadratic constraints Presolve removed 0 rows and 27 columns Presolve time: 1.10s Presolved: 95 rows, 285 columns, 285 nonzeros Variable types: 188 continuous, 97 integer (96 binary) Root relaxation: objective 0.000000e+00, 35 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 45.0000000 - - - 1s 0 0 0.00000 0 25 45.00000 0.00000 100% - 1s 0 0 0.00000 0 39 45.00000 0.00000 100% - 1s 0 0 0.00000 0 39 45.00000 0.00000 100% - 1s 0 2 0.00000 0 39 45.00000 0.00000 100% - 1s * 13 13 10 3.0000000 0.40000 86.7% 37.1 1s H 42 17 3.0000000 0.86667 71.1% 16.0 1s * 60 4 9 2.0000000 1.20000 40.0% 12.9 1s Cutting planes: Gomory: 2 Explored 73 nodes (1656 simplex iterations) in 1.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%