Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:08:54 2012 Optimize a model with 23 rows, 31 columns and 86 nonzeros Presolve removed 0 rows and 4 columns Presolve time: 0.00s Presolved: 23 rows, 27 columns, 82 nonzeros Variable types: 0 continuous, 27 integer (26 binary) Found heuristic solution: objective 3.0000000 Root relaxation: objective 0.000000e+00, 11 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 3 3.00000 0.00000 100% - 0s * 0 0 0 0.0000000 0.00000 0.0% - 0s Cutting planes: Gomory: 1 MIR: 2 Zero half: 2 Explored 0 nodes (15 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0%