Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:40:42 2013 Optimize a model with 260 rows, 2360 columns and 11130 nonzeros Presolve removed 10 rows and 290 columns Presolve time: 0.01s Presolved: 250 rows, 2070 columns, 10130 nonzeros Variable types: 2010 continuous, 60 integer (60 binary) Root relaxation: objective 2.207062e+04, 193 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 22070.6191 0 3 - 22070.6191 - - 0s 0 0 22071.1503 0 6 - 22071.1503 - - 0s 0 0 22072.3714 0 6 - 22072.3714 - - 0s 0 0 22072.3714 0 6 - 22072.3714 - - 0s H 0 0 22363.454709 22072.3714 1.30% - 0s 0 2 22221.3256 0 6 22363.4547 22221.3256 0.64% - 0s * 10 3 7 22333.127867 22286.0643 0.21% 8.3 0s Cutting planes: Gomory: 1 Flow cover: 2 Explored 14 nodes (412 simplex iterations) in 0.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.233312786709e+04, best bound 2.233312786709e+04, gap 0.0%