Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:03 2012 Optimize a model with 13 rows, 11 columns and 41 nonzeros Presolve time: 0.00s Presolved: 13 rows, 11 columns, 41 nonzeros Variable types: 0 continuous, 11 integer (11 binary) Found heuristic solution: objective 3.0000000 Root relaxation: objective 0.000000e+00, 6 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 5 3.00000 0.00000 100% - 0s 0 0 0.57143 0 7 3.00000 0.57143 81.0% - 0s 0 0 0.70588 0 7 3.00000 0.70588 76.5% - 0s 0 0 0.87342 0 10 3.00000 0.87342 70.9% - 0s 0 0 0.92405 0 10 3.00000 0.92405 69.2% - 0s 0 0 0.94834 0 11 3.00000 0.94834 68.4% - 0s 0 2 1.03390 0 11 3.00000 1.03390 65.5% - 0s * 1 1 1 2.0000000 1.03390 48.3% 5.0 0s Cutting planes: Gomory: 1 Mod-K: 4 Explored 2 nodes (33 simplex iterations) in 0.00 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%