Gurobi 5.0.1 (linux64) logging started Wed Apr 24 11:11:50 2013 Optimize a model with 1320 rows, 144120 columns and 288120 nonzeros Presolve time: 0.30s Presolved: 1320 rows, 144120 columns, 288120 nonzeros Variable types: 144000 continuous, 120 integer (120 binary) Root relaxation: objective 1.620756e+05, 5568 iterations, 0.29 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 162075.635 0 8 - 162075.635 - - 0s H 0 0 172675.00000 162075.635 6.14% - 1s 0 0 162452.789 0 6 172675.000 162452.789 5.92% - 1s H 0 0 170600.36667 162452.789 4.78% - 1s H 0 0 169624.00000 162452.789 4.23% - 1s 0 0 162489.574 0 5 169624.000 162489.574 4.21% - 2s H 0 0 169297.00000 162489.574 4.02% - 2s 0 0 162498.780 0 6 169297.000 162498.780 4.02% - 2s H 0 0 169217.00000 162498.780 3.97% - 2s 0 0 162498.884 0 4 169217.000 162498.884 3.97% - 2s 0 0 162498.884 0 4 169217.000 162498.884 3.97% - 2s H 0 0 163771.00000 162498.884 0.78% - 3s 0 0 162501.784 0 4 163771.000 162501.784 0.77% - 3s 0 0 162501.784 0 8 163771.000 162501.784 0.77% - 4s 0 0 162501.784 0 6 163771.000 162501.784 0.77% - 4s 0 0 162501.784 0 6 163771.000 162501.784 0.77% - 4s 0 0 162501.784 0 5 163771.000 162501.784 0.77% - 4s 0 0 162501.784 0 4 163771.000 162501.784 0.77% - 5s 0 0 162501.784 0 4 163771.000 162501.784 0.77% - 5s 0 0 162501.784 0 4 163771.000 162501.784 0.77% - 5s 0 0 162501.828 0 4 163771.000 162501.828 0.77% - 5s 0 0 162502.388 0 4 163771.000 162502.388 0.77% - 5s 0 0 162502.606 0 5 163771.000 162502.606 0.77% - 5s 0 2 162528.265 0 5 163771.000 162528.265 0.76% - 6s H 10 10 162892.00000 162596.958 0.18% 41.8 7s * 14 9 12 162767.00000 162596.958 0.10% 53.7 7s H 22 11 162753.39698 162607.229 0.09% 53.0 7s H 23 12 162736.80597 162607.229 0.08% 51.9 7s H 24 9 162715.00000 162607.229 0.07% 49.8 7s * 26 6 11 162661.00000 162607.229 0.03% 47.8 7s Cutting planes: Implied bound: 121 Flow cover: 6 Explored 33 nodes (12651 simplex iterations) in 7.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.626610000000e+05, best bound 1.626610000000e+05, gap 0.0%