Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:17:10 2012 Optimize a model with 9877 rows, 14280 columns and 43435 nonzeros Presolve removed 27 rows and 3213 columns Presolve time: 0.17s Presolved: 9850 rows, 11067 columns, 40222 nonzeros Variable types: 0 continuous, 11067 integer (11067 binary) Found heuristic solution: objective 44.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: objective 2.000000e+00, 11569 iterations, 0.93 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2.00000 0 138 3.00000 2.00000 33.3% - 3s 0 0 2.00000 0 328 3.00000 2.00000 33.3% - 6s 0 0 2.00000 0 138 3.00000 2.00000 33.3% - 11s 0 0 2.00000 0 235 3.00000 2.00000 33.3% - 16s 0 0 2.00000 0 229 3.00000 2.00000 33.3% - 22s 0 0 2.00000 0 235 3.00000 2.00000 33.3% - 27s 0 0 2.00000 0 229 3.00000 2.00000 33.3% - 31s 0 0 2.00000 0 235 3.00000 2.00000 33.3% - 37s 0 0 2.00000 0 229 3.00000 2.00000 33.3% - 40s 0 0 2.00000 0 256 3.00000 2.00000 33.3% - 44s 0 0 2.00000 0 256 3.00000 2.00000 33.3% - 47s 0 2 2.00000 0 256 3.00000 2.00000 33.3% - 55s 5 5 2.00000 1 235 3.00000 2.00000 33.3% 3714 67s 6 6 2.00000 1 138 3.00000 2.00000 33.3% 3095 74s 7 6 2.00000 1 138 3.00000 2.00000 33.3% 2653 80s 8 7 2.00000 1 138 3.00000 2.00000 33.3% 2321 88s 9 8 2.00000 1 138 3.00000 2.00000 33.3% 2063 97s 10 8 2.00000 1 138 3.00000 2.00000 33.3% 1857 112s 11 9 2.00000 1 138 3.00000 2.00000 33.3% 1688 120s 13 10 infeasible 10 3.00000 2.00000 33.3% 17949 132s Cutting planes: Gomory: 3 Zero half: 10 Explored 15 nodes (461088 simplex iterations) in 132.53 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%