Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:21 2013 Optimize a model with 240 rows, 1710 columns and 5310 nonzeros Presolve removed 10 rows and 250 columns Presolve time: 0.01s Presolved: 230 rows, 1460 columns, 4910 nonzeros Variable types: 1410 continuous, 50 integer (50 binary) Root relaxation: objective 2.199252e+04, 128 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 21992.5209 0 6 - 21992.5209 - - 0s 0 0 22000.7285 0 5 - 22000.7285 - - 0s 0 0 22000.7285 0 5 - 22000.7285 - - 0s H 0 0 22713.424075 22000.7285 3.14% - 0s 0 2 22000.7285 0 5 22713.4241 22000.7285 3.14% - 0s * 3 3 3 22134.781031 22134.7810 0.0% 21.3 0s Cutting planes: Gomory: 1 Flow cover: 2 Explored 4 nodes (293 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.213478103149e+04, best bound 2.213478103149e+04, gap 0.0%