Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:32 2012 Optimize a model with 21 rows, 23 columns and 73 nonzeros Presolve removed 0 rows and 2 columns Presolve time: 0.00s Presolved: 21 rows, 21 columns, 71 nonzeros Variable types: 0 continuous, 21 integer (20 binary) Found heuristic solution: objective 3.0000000 Root relaxation: objective 0.000000e+00, 12 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 10 3.00000 0.00000 100% - 0s H 0 0 1.0000000 0.00000 100% - 0s Cutting planes: Gomory: 1 Explored 0 nodes (38 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+00, best bound 0.000000000000e+00, gap 100.0000%