Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:11:30 2012 Optimize a model with 9322 rows, 14042 columns and 41536 nonzeros Presolve removed 27 rows and 3186 columns Presolve time: 0.15s Presolved: 9295 rows, 10856 columns, 38350 nonzeros Variable types: 0 continuous, 10856 integer (10856 binary) Found heuristic solution: objective 36.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: objective 2.000000e+00, 8507 iterations, 0.31 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2.00000 0 106 3.00000 2.00000 33.3% - 1s 0 0 2.00000 0 206 3.00000 2.00000 33.3% - 3s 0 0 2.00000 0 239 3.00000 2.00000 33.3% - 7s 0 0 2.00000 0 239 3.00000 2.00000 33.3% - 12s 0 0 2.00000 0 238 3.00000 2.00000 33.3% - 16s 0 0 2.00000 0 106 3.00000 2.00000 33.3% - 21s 0 0 2.00000 0 199 3.00000 2.00000 33.3% - 25s 0 0 2.00000 0 238 3.00000 2.00000 33.3% - 31s 0 0 2.00000 0 238 3.00000 2.00000 33.3% - 34s 0 2 2.00000 0 238 3.00000 2.00000 33.3% - 40s 5 5 2.00000 1 210 3.00000 2.00000 33.3% 3478 48s 6 6 2.00000 1 106 3.00000 2.00000 33.3% 2898 53s 7 6 2.00000 1 106 3.00000 2.00000 33.3% 2484 59s 8 7 2.00000 1 106 3.00000 2.00000 33.3% 2174 69s 9 8 2.00000 1 106 3.00000 2.00000 33.3% 1932 86s 10 8 2.00000 1 106 3.00000 2.00000 33.3% 1739 90s 12 10 infeasible 15 3.00000 2.00000 33.3% 15312 100s Cutting planes: Gomory: 34 Zero half: 4 Explored 14 nodes (366845 simplex iterations) in 101.95 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%