Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:20:29 2012 Optimize a model with 10200 rows, 14520 columns and 44640 nonzeros Presolve removed 28 rows and 3360 columns Presolve time: 0.17s Presolved: 10172 rows, 11160 columns, 41280 nonzeros Variable types: 0 continuous, 11160 integer (11160 binary) Found heuristic solution: objective 45.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: objective 2.000000e+00, 10030 iterations, 0.58 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2.00000 0 94 3.00000 2.00000 33.3% - 2s 0 0 2.00000 0 297 3.00000 2.00000 33.3% - 5s 0 0 2.00000 0 187 3.00000 2.00000 33.3% - 10s 0 0 2.00000 0 191 3.00000 2.00000 33.3% - 20s 0 0 2.00000 0 234 3.00000 2.00000 33.3% - 28s 0 0 2.00000 0 234 3.00000 2.00000 33.3% - 34s 0 0 2.00000 0 191 3.00000 2.00000 33.3% - 42s 0 0 2.00000 0 185 3.00000 2.00000 33.3% - 49s 0 0 2.00000 0 209 3.00000 2.00000 33.3% - 54s 0 0 2.00000 0 209 3.00000 2.00000 33.3% - 56s 0 2 2.00000 0 209 3.00000 2.00000 33.3% - 62s 4 4 2.00000 1 94 3.00000 2.00000 33.3% 4438 65s 5 5 2.00000 1 94 3.00000 2.00000 33.3% 3550 75s 6 6 2.00000 1 94 3.00000 2.00000 33.3% 2958 81s 7 6 2.00000 1 94 3.00000 2.00000 33.3% 2536 92s 8 7 2.00000 1 199 3.00000 2.00000 33.3% 2219 105s 9 8 2.00000 1 192 3.00000 2.00000 33.3% 1972 115s 11 9 infeasible 12 3.00000 2.00000 33.3% 18065 126s Cutting planes: Gomory: 5 Zero half: 2 Explored 13 nodes (457438 simplex iterations) in 127.60 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%