Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:39 2012 Optimize a model with 35 rows, 34 columns and 119 nonzeros Presolve removed 0 rows and 2 columns Presolve time: 0.00s Presolved: 35 rows, 32 columns, 117 nonzeros Variable types: 0 continuous, 32 integer (31 binary) Found heuristic solution: objective 8.0000000 Root relaxation: objective 0.000000e+00, 18 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 14 8.00000 0.00000 100% - 0s H 0 0 4.0000000 0.00000 100% - 0s H 0 0 2.0000000 0.00000 100% - 0s 0 0 0.33520 0 16 2.00000 0.33520 83.2% - 0s 0 0 0.88247 0 20 2.00000 0.88247 55.9% - 0s 0 0 0.95786 0 18 2.00000 0.95786 52.1% - 0s 0 0 0.96103 0 19 2.00000 0.96103 51.9% - 0s Cutting planes: Gomory: 3 Zero half: 2 Explored 0 nodes (63 simplex iterations) in 0.01 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%