Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:47 2013 Optimize a model with 260 rows, 1230 columns and 2750 nonzeros Presolve removed 20 rows and 20 columns Presolve time: 0.01s Presolved: 240 rows, 1210 columns, 2680 nonzeros Variable types: 1120 continuous, 90 integer (90 binary) Root relaxation: objective 2.387367e+04, 212 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 23873.6700 0 1 - 23873.6700 - - 0s 0 0 23880.6526 0 1 - 23880.6526 - - 0s 0 0 23915.0347 0 1 - 23915.0347 - - 0s 0 0 23915.0347 0 1 - 23915.0347 - - 0s H 0 0 23967.743456 23915.0347 0.22% - 0s 0 2 23947.1545 0 1 23967.7435 23947.1545 0.09% - 0s * 2 1 2 23950.629024 23950.6290 0.0% 13.5 0s Cutting planes: Gomory: 2 Explored 3 nodes (286 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.395062902440e+04, best bound 2.395062902440e+04, gap 0.0%