Gurobi 5.0.1 (linux64) logging started Mon Feb 4 19:15:57 2013 Optimize a model with 95367 rows, 6889 columns and 289338 nonzeros Presolve removed 5810 rows and 3471 columns Presolve time: 0.95s Presolved: 89557 rows, 3418 columns, 272264 nonzeros Variable types: 45 continuous, 3373 integer (3373 binary) Found heuristic solution: objective 142854.00000 Root relaxation: objective 1.014604e+05, 36261 iterations, 4.58 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 101460.400 0 12 142854.000 101460.400 29.0% - 5s H 0 0 101468.00000 101460.400 0.01% - 6s Explored 0 nodes (36392 simplex iterations) in 6.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.014680000000e+05, best bound 1.014610000000e+05, gap 0.0069%