Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:11:04 2012 Optimize a model with 1824 rows, 1482 columns and 6802 nonzeros Presolve removed 1 rows and 38 columns Presolve time: 0.03s Presolved: 1823 rows, 1444 columns, 6764 nonzeros Variable types: 0 continuous, 1444 integer (1444 binary) Found heuristic solution: objective 16.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: objective 2.000000e+00, 1270 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2.00000 0 74 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 114 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 113 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 114 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 113 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 114 3.00000 2.00000 33.3% - 1s 0 0 2.00000 0 113 3.00000 2.00000 33.3% - 1s 0 0 2.00000 0 113 3.00000 2.00000 33.3% - 1s 0 0 2.00000 0 113 3.00000 2.00000 33.3% - 1s 0 0 2.00000 0 113 3.00000 2.00000 33.3% - 1s 0 2 2.00000 0 113 3.00000 2.00000 33.3% - 2s 12 10 infeasible 12 3.00000 2.00000 33.3% 2443 5s Cutting planes: Gomory: 3 Zero half: 1 Explored 14 nodes (56074 simplex iterations) in 5.22 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%