Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:08:56 2012 Optimize a model with 29 rows, 35 columns and 105 nonzeros Presolve removed 0 rows and 4 columns Presolve time: 0.00s Presolved: 29 rows, 31 columns, 101 nonzeros Variable types: 0 continuous, 31 integer (30 binary) Found heuristic solution: objective 5.0000000 Root relaxation: objective 0.000000e+00, 19 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 12 5.00000 0.00000 100% - 0s H 0 0 4.0000000 0.00000 100% - 0s H 0 0 1.0000000 0.00000 100% - 0s Cutting planes: Gomory: 1 Zero half: 1 Explored 0 nodes (32 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%