Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:44 2013 Optimize a model with 240 rows, 1320 columns and 2810 nonzeros Presolve removed 20 rows and 30 columns Presolve time: 0.00s Presolved: 220 rows, 1290 columns, 2580 nonzeros Variable types: 1200 continuous, 90 integer (90 binary) Root relaxation: objective 2.207062e+04, 134 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 1 - 22070.6191 - - 0s 0 0 22097.3985 0 2 - 22097.3985 - - 0s 0 0 22101.8961 0 2 - 22101.8961 - - 0s 0 0 22101.8961 0 2 - 22101.8961 - - 0s 0 0 22102.6992 0 2 - 22102.6992 - - 0s 0 0 22102.6992 0 2 - 22102.6992 - - 0s 0 0 22103.1973 0 2 - 22103.1973 - - 0s 0 0 22104.3199 0 2 - 22104.3199 - - 0s 0 0 22104.3199 0 2 - 22104.3199 - - 0s 0 0 22104.3199 0 2 - 22104.3199 - - 0s 0 0 22104.3199 0 2 - 22104.3199 - - 0s 0 0 22104.3199 0 2 - 22104.3199 - - 0s H 0 0 22384.281310 22104.3199 1.25% - 0s 0 2 22129.8925 0 2 22384.2813 22129.8925 1.14% - 0s * 7 5 6 22376.974748 22254.3689 0.55% 5.0 0s * 11 3 6 22332.689075 22262.7940 0.31% 5.6 0s Cutting planes: Gomory: 1 Flow cover: 6 Explored 16 nodes (289 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.233268907504e+04, best bound 2.233268907504e+04, gap 0.0%