Gurobi 5.0.1 (linux64) logging started Wed Apr 24 12:17:27 2013 Optimize a model with 1760 rows, 256160 columns and 512160 nonzeros Presolve time: 0.67s Presolved: 1760 rows, 256160 columns, 512160 nonzeros Variable types: 256000 continuous, 160 integer (160 binary) Root relaxation: objective 3.319652e+05, 11299 iterations, 0.81 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 331965.242 0 11 - 331965.242 - - 1s H 0 0 370607.00000 331965.242 10.4% - 2s 0 0 332455.163 0 11 370607.000 332455.163 10.3% - 4s 0 0 332645.058 0 9 370607.000 332645.058 10.2% - 4s H 0 0 367712.18490 332645.058 9.54% - 5s H 0 0 365007.00000 332645.058 8.87% - 5s 0 0 332684.980 0 10 365007.000 332684.980 8.86% - 5s 0 0 332707.367 0 10 365007.000 332707.367 8.85% - 6s 0 0 332716.317 0 9 365007.000 332716.317 8.85% - 7s 0 0 332718.264 0 8 365007.000 332718.264 8.85% - 7s H 0 0 364376.00000 332718.264 8.69% - 7s 0 0 332718.264 0 8 364376.000 332718.264 8.69% - 8s H 0 0 364274.00000 332718.264 8.66% - 8s 0 0 332718.264 0 8 364274.000 332718.264 8.66% - 9s 0 0 332718.264 0 8 364274.000 332718.264 8.66% - 9s H 0 0 338170.00000 332718.264 1.61% - 11s 0 0 332718.264 0 11 338170.000 332718.264 1.61% - 13s 0 0 332718.264 0 11 338170.000 332718.264 1.61% - 14s 0 0 332718.264 0 11 338170.000 332718.264 1.61% - 14s 0 0 332718.264 0 10 338170.000 332718.264 1.61% - 15s 0 0 332718.264 0 9 338170.000 332718.264 1.61% - 16s 0 0 332718.264 0 10 338170.000 332718.264 1.61% - 16s 0 0 332718.264 0 10 338170.000 332718.264 1.61% - 17s 0 0 332718.264 0 9 338170.000 332718.264 1.61% - 17s 0 0 332718.264 0 8 338170.000 332718.264 1.61% - 18s 0 0 332718.264 0 8 338170.000 332718.264 1.61% - 18s 0 0 332718.264 0 8 338170.000 332718.264 1.61% - 19s 0 0 332718.264 0 8 338170.000 332718.264 1.61% - 19s 0 2 332726.020 0 8 338170.000 332726.020 1.61% - 22s 12 14 333110.503 10 2 338170.000 332866.826 1.57% 157 25s H 13 13 337479.56164 332866.826 1.37% 145 25s H 14 14 336386.50000 332866.826 1.05% 136 25s H 17 13 333233.00000 332866.826 0.11% 124 25s H 18 12 333232.00000 332866.826 0.11% 123 25s * 19 12 17 333210.00000 332866.826 0.10% 118 25s 56 5 333186.436 8 3 333210.000 333186.436 0.01% 140 30s Cutting planes: Implied bound: 295 Flow cover: 13 Explored 57 nodes (30499 simplex iterations) in 30.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.332100000000e+05, best bound 3.331864357398e+05, gap 0.0071%