Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:56:49 2013 Optimize a model with 14097 rows, 13727 columns and 54797 nonzeros Presolve removed 266 rows and 0 columns Presolve time: 0.07s Presolved: 13831 rows, 13727 columns, 54265 nonzeros Variable types: 13690 continuous, 37 integer (37 binary) Root relaxation: objective 3.694567e+04, 1859 iterations, 0.12 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 36945.6735 0 3 - 36945.6735 - - 0s H 0 0 36982.000000 36945.6735 0.10% - 0s 0 0 36949.7363 0 3 36982.0000 36949.7363 0.09% - 0s H 0 0 36975.000000 36949.7363 0.07% - 0s 0 0 36949.7363 0 3 36975.0000 36949.7363 0.07% - 0s 0 0 36970.6000 0 1 36975.0000 36970.6000 0.01% - 0s * 0 0 0 36972.000000 36972.0000 0.0% - 0s Cutting planes: Gomory: 2 Flow cover: 2 Explored 0 nodes (1926 simplex iterations) in 0.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.697200000000e+04, best bound 3.697200000000e+04, gap 0.0%