Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:10:08 2012 Optimize a model with 783 rows, 870 columns and 3103 nonzeros Presolve removed 7 rows and 203 columns Presolve time: 0.01s Presolved: 776 rows, 667 columns, 2900 nonzeros Variable types: 0 continuous, 667 integer (667 binary) Found heuristic solution: objective 13.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: objective 2.000000e+00, 843 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2.00000 0 44 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 44 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 44 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 44 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 68 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 69 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 68 3.00000 2.00000 33.3% - 0s 0 2 2.00000 0 68 3.00000 2.00000 33.3% - 0s Cutting planes: Gomory: 7 Explored 9 nodes (19046 simplex iterations) in 0.99 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%