Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:43 2013 Optimize a model with 7046 rows, 6786 columns and 27066 nonzeros Presolve removed 348 rows and 0 columns Presolve time: 0.03s Presolved: 6698 rows, 6786 columns, 26370 nonzeros Variable types: 6760 continuous, 26 integer (26 binary) Root relaxation: objective 2.481443e+04, 811 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 24814.4333 0 1 - 24814.4333 - - 0s H 0 0 24955.000000 24814.4333 0.56% - 0s 0 0 24815.4667 0 3 24955.0000 24815.4667 0.56% - 0s 0 0 24815.4667 0 3 24955.0000 24815.4667 0.56% - 0s 0 2 24815.8889 0 3 24955.0000 24815.8889 0.56% - 0s * 1 1 1 24881.000000 24881.0000 0.0% 53.0 0s Cutting planes: Gomory: 1 Flow cover: 2 Explored 2 nodes (878 simplex iterations) in 0.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.488100000000e+04, best bound 2.488100000000e+04, gap 0.0%