Gurobi 5.0.1 (linux64) logging started Wed Apr 24 02:53:40 2013 Optimize a model with 825 rows, 56325 columns and 112575 nonzeros Presolve time: 0.08s Presolved: 825 rows, 56325 columns, 112575 nonzeros Variable types: 56250 continuous, 75 integer (75 binary) Root relaxation: objective 1.023470e+05, 2599 iterations, 0.08 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 102347.000 0 8 - 102347.000 - - 0s H 0 0 107750.00000 102347.000 5.01% - 0s H 0 0 102960.00000 102347.000 0.60% - 0s 0 0 102588.827 0 5 102960.000 102588.827 0.36% - 0s 0 0 102588.827 0 8 102960.000 102588.827 0.36% - 0s 0 0 102588.827 0 5 102960.000 102588.827 0.36% - 0s 0 0 102592.366 0 5 102960.000 102592.366 0.36% - 0s 0 0 102599.429 0 4 102960.000 102599.429 0.35% - 1s 0 0 102600.482 0 6 102960.000 102600.482 0.35% - 1s 0 0 102602.227 0 2 102960.000 102602.227 0.35% - 1s 0 0 102602.227 0 2 102960.000 102602.227 0.35% - 1s 0 0 102603.490 0 4 102960.000 102603.490 0.35% - 1s 0 0 102605.432 0 5 102960.000 102605.432 0.34% - 1s 0 0 102605.545 0 3 102960.000 102605.545 0.34% - 1s 0 0 102606.005 0 6 102960.000 102606.005 0.34% - 1s 0 0 102606.006 0 5 102960.000 102606.006 0.34% - 1s 0 0 102606.006 0 5 102960.000 102606.006 0.34% - 1s 0 0 102606.006 0 5 102960.000 102606.006 0.34% - 1s H 0 0 102716.00000 102606.006 0.11% - 1s 0 2 102617.449 0 3 102716.000 102617.449 0.10% - 1s * 5 2 5 102680.00000 102640.619 0.04% 45.6 2s Cutting planes: Implied bound: 93 Flow cover: 14 Explored 10 nodes (6317 simplex iterations) in 2.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.026800000000e+05, best bound 1.026800000000e+05, gap 0.0%