Gurobi 5.0.1 (linux64) logging started Mon Feb 4 19:29:21 2013 Optimize a model with 129858 rows, 8464 columns and 393576 nonzeros Presolve removed 6983 rows and 4265 columns Presolve time: 1.24s Presolved: 122875 rows, 4199 columns, 372540 nonzeros Variable types: 44 continuous, 4155 integer (4155 binary) Found heuristic solution: objective 165255.00000 Root relaxation: objective 1.194775e+05, 22581 iterations, 3.46 seconds Total elapsed time = 5.07s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 119477.545 0 9 165255.000 119477.545 27.7% - 5s H 0 0 119491.00000 119477.545 0.01% - 5s H 0 0 119484.00000 119477.545 0.01% - 5s Explored 0 nodes (22666 simplex iterations) in 5.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.194840000000e+05, best bound 1.194780000000e+05, gap 0.0050%