Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:13:08 2012 Optimize a model with 2013 rows, 1482 columns and 7332 nonzeros Presolve removed 5 rows and 116 columns Presolve time: 0.09s Presolved: 2008 rows, 1366 columns, 7112 nonzeros Variable types: 0 continuous, 1366 integer (1366 binary) Found heuristic solution: objective 38.0000000 Root relaxation: objective 2.000000e+00, 1020 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 70 38.00000 2.00000 94.7% - 0s H 0 0 16.0000000 2.00000 87.5% - 0s H 0 0 3.0000000 2.00000 33.3% - 0s 0 0 infeasible 0 3.00000 2.00000 33.3% - 0s Cutting planes: Gomory: 1 Zero half: 19 Explored 0 nodes (3264 simplex iterations) in 0.15 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%