Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:20:21 2012 Optimize a model with 27377 rows, 28730 columns and 110017 nonzeros Presolve removed 1045 rows and 4903 columns Presolve time: 0.64s Presolved: 26332 rows, 23827 columns, 102269 nonzeros Variable types: 0 continuous, 23827 integer (23827 binary) Found heuristic solution: objective 169.0000000 Root relaxation: objective 3.000000e+00, 20414 iterations, 2.85 seconds Total elapsed time = 9.56s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3.0000000 3.00000 0.0% - 9s Explored 0 nodes (46111 simplex iterations) in 9.82 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%