Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:46 2013 Optimize a model with 9330 rows, 9030 columns and 36030 nonzeros Presolve removed 396 rows and 0 columns Presolve time: 0.05s Presolved: 8934 rows, 9030 columns, 35238 nonzeros Variable types: 9000 continuous, 30 integer (30 binary) Root relaxation: objective 3.436439e+04, 1351 iterations, 0.07 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 34364.3889 0 1 - 34364.3889 - - 0s H 0 0 34500.000000 34364.3889 0.39% - 0s 0 0 34364.5341 0 2 34500.0000 34364.5341 0.39% - 0s H 0 0 34451.000000 34364.5341 0.25% - 0s 0 2 34364.9841 0 2 34451.0000 34364.9841 0.25% - 0s * 6 3 5 34426.000000 34391.0000 0.10% 18.5 0s * 8 0 3 34391.000000 34391.0000 0.0% 15.8 0s Cutting planes: Gomory: 1 Flow cover: 2 Explored 9 nodes (1487 simplex iterations) in 0.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.439100000000e+04, best bound 3.439100000000e+04, gap 0.0%