Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:23:26 2012 Optimize a model with 29579 rows, 29070 columns and 116958 nonzeros Presolve removed 682 rows and 2 columns Presolve time: 0.70s Presolved: 29067 rows, 29068 columns, 143818 nonzeros Variable types: 0 continuous, 29068 integer (29068 binary) Found heuristic solution: objective 170.0000000 Root relaxation: objective 3.000000e+00, 24117 iterations, 4.05 seconds Total elapsed time = 12.77s Total elapsed time = 16.03s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 576 170.00000 3.00000 98.2% - 18s H 0 0 3.0000000 3.00000 0.0% - 19s Explored 0 nodes (68904 simplex iterations) in 19.04 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%