Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:07:49 2012 Optimize a model with 210 rows, 240 columns and 810 nonzeros Presolve removed 3 rows and 45 columns Presolve time: 0.00s Presolved: 207 rows, 195 columns, 765 nonzeros Variable types: 0 continuous, 195 integer (195 binary) Found heuristic solution: objective 8.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: objective 2.000000e+00, 168 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2.00000 0 24 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 24 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 24 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 24 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 24 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 24 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 24 3.00000 2.00000 33.3% - 0s 0 2 2.00000 0 24 3.00000 2.00000 33.3% - 0s Cutting planes: Gomory: 5 Explored 8 nodes (5007 simplex iterations) in 0.11 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%