Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:04:50 2013 Optimize a model with 300 rows, 3110 columns and 22280 nonzeros Presolve removed 10 rows and 10 columns Presolve time: 0.03s Presolved: 290 rows, 3100 columns, 20270 nonzeros Variable types: 3020 continuous, 80 integer (80 binary) Root relaxation: objective 2.387367e+04, 253 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 3 - 23873.6700 - - 0s 0 0 23874.0226 0 3 - 23874.0226 - - 0s 0 0 23948.5091 0 3 - 23948.5091 - - 0s 0 0 23948.5091 0 3 - 23948.5091 - - 0s H 0 0 24674.893928 23948.5091 2.94% - 0s 0 2 23948.5995 0 3 24674.8939 23948.5995 2.94% - 0s * 6 4 6 23950.729422 23948.8975 0.01% 10.0 0s Cutting planes: Flow cover: 1 Explored 7 nodes (465 simplex iterations) in 0.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.395072942228e+04, best bound 2.394889746225e+04, gap 0.0076%