Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:26 2012 Optimize a model with 65 rows, 64 columns and 224 nonzeros Presolve removed 0 rows and 3 columns Presolve time: 0.00s Presolved: 65 rows, 61 columns, 221 nonzeros Variable types: 0 continuous, 61 integer (60 binary) Found heuristic solution: objective 12.0000000 Root relaxation: objective 0.000000e+00, 42 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 28 12.00000 0.00000 100% - 0s H 0 0 9.0000000 0.00000 100% - 0s H 0 0 5.0000000 0.00000 100% - 0s H 0 0 4.0000000 0.00000 100% - 0s 0 0 0.29752 0 30 4.00000 0.29752 92.6% - 0s H 0 0 2.0000000 0.29752 85.1% - 0s 0 0 0.75132 0 33 2.00000 0.75132 62.4% - 0s Cutting planes: Gomory: 4 Mod-K: 1 Explored 0 nodes (155 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%