Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:24 2013 Optimize a model with 240 rows, 1280 columns and 3590 nonzeros Presolve removed 10 rows and 10 columns Presolve time: 0.00s Presolved: 230 rows, 1270 columns, 3380 nonzeros Variable types: 1220 continuous, 50 integer (50 binary) Root relaxation: objective 2.199252e+04, 118 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 21998.1522 0 4 - 21998.1522 - - 0s 0 0 21999.0902 0 4 - 21999.0902 - - 0s 0 0 22055.8492 0 6 - 22055.8492 - - 0s 0 0 22055.8492 0 6 - 22055.8492 - - 0s H 0 0 23506.443361 22055.8492 6.17% - 0s 0 2 22109.5523 0 3 23506.4434 22109.5523 5.94% - 0s * 3 3 3 22134.781031 22134.7810 0.0% 15.0 0s Cutting planes: Flow cover: 2 Explored 4 nodes (313 simplex iterations) in 0.06 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%