Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:50:43 2013 Optimize a model with 891 rows, 65691 columns and 131301 nonzeros Presolve time: 0.10s Presolved: 891 rows, 65691 columns, 131301 nonzeros Variable types: 65610 continuous, 81 integer (81 binary) Root relaxation: objective 1.035181e+05, 2775 iterations, 0.10 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 103518.059 0 11 - 103518.059 - - 0s H 0 0 109528.00000 103518.059 5.49% - 0s H 0 0 103863.00000 103518.059 0.33% - 0s 0 0 103687.034 0 5 103863.000 103687.034 0.17% - 0s 0 0 103687.034 0 11 103863.000 103687.034 0.17% - 0s 0 0 103687.034 0 5 103863.000 103687.034 0.17% - 1s 0 0 103705.977 0 6 103863.000 103705.977 0.15% - 1s 0 0 103708.253 0 4 103863.000 103708.253 0.15% - 1s 0 0 103709.408 0 4 103863.000 103709.408 0.15% - 1s 0 0 103712.492 0 5 103863.000 103712.492 0.14% - 1s 0 0 103713.622 0 4 103863.000 103713.622 0.14% - 1s 0 0 103713.697 0 4 103863.000 103713.697 0.14% - 1s 0 0 103713.697 0 4 103863.000 103713.697 0.14% - 1s 0 0 103713.697 0 4 103863.000 103713.697 0.14% - 1s 0 0 103716.074 0 4 103863.000 103716.074 0.14% - 1s 0 2 103716.226 0 4 103863.000 103716.226 0.14% - 1s H 6 4 103821.00000 103753.232 0.07% 63.5 2s * 7 3 6 103800.00000 103753.232 0.05% 59.4 2s Cutting planes: Implied bound: 100 Flow cover: 10 Explored 12 nodes (6164 simplex iterations) in 2.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.038000000000e+05, best bound 1.038000000000e+05, gap 0.0%