Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:32 2013 Optimize a model with 6525 rows, 6275 columns and 25025 nonzeros Presolve removed 741 rows and 0 columns Presolve time: 0.03s Presolved: 5784 rows, 6275 columns, 23543 nonzeros Variable types: 6250 continuous, 25 integer (25 binary) Root relaxation: objective 2.625063e+04, 711 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 26250.6267 0 2 - 26250.6267 - - 0s H 0 0 26560.000000 26250.6267 1.16% - 0s H 0 0 26326.000000 26250.6267 0.29% - 0s H 0 0 26308.000000 26250.6267 0.22% - 0s 0 0 26252.6667 0 1 26308.0000 26252.6667 0.21% - 0s H 0 0 26271.000000 26252.6667 0.07% - 0s 0 0 26255.2642 0 1 26271.0000 26255.2642 0.06% - 0s 0 0 26269.2500 0 1 26271.0000 26269.2500 0.01% - 0s Cutting planes: Gomory: 1 Flow cover: 1 Explored 0 nodes (748 simplex iterations) in 0.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.627100000000e+04, best bound 2.626925000000e+04, gap 0.0067%