Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:31:21 2013 Optimize a model with 1067 rows, 94187 columns and 188277 nonzeros Presolve time: 0.16s Presolved: 1067 rows, 94187 columns, 188277 nonzeros Variable types: 94090 continuous, 97 integer (97 binary) Root relaxation: objective 1.366572e+05, 3804 iterations, 0.15 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 136657.165 0 9 - 136657.165 - - 0s H 0 0 148717.00000 136657.165 8.11% - 0s 0 0 136957.540 0 4 148717.000 136957.540 7.91% - 0s H 0 0 143226.07870 136957.540 4.38% - 0s H 0 0 142457.00000 136957.540 3.86% - 1s 0 0 136985.804 0 5 142457.000 136985.804 3.84% - 1s 0 0 136999.184 0 5 142457.000 136999.184 3.83% - 1s 0 0 137000.256 0 3 142457.000 137000.256 3.83% - 1s 0 0 137000.256 0 3 142457.000 137000.256 3.83% - 1s 0 0 137000.256 0 3 142457.000 137000.256 3.83% - 1s 0 0 137000.393 0 3 142457.000 137000.393 3.83% - 2s H 0 0 137745.00000 137000.393 0.54% - 2s 0 0 137000.393 0 9 137745.000 137000.393 0.54% - 2s 0 0 137000.393 0 4 137745.000 137000.393 0.54% - 3s 0 0 137000.393 0 4 137745.000 137000.393 0.54% - 3s 0 0 137000.393 0 5 137745.000 137000.393 0.54% - 3s 0 0 137000.803 0 4 137745.000 137000.803 0.54% - 3s 0 0 137000.872 0 3 137745.000 137000.872 0.54% - 3s 0 0 137000.872 0 3 137745.000 137000.872 0.54% - 3s 0 0 137001.380 0 3 137745.000 137001.380 0.54% - 3s 0 0 137002.300 0 5 137745.000 137002.300 0.54% - 3s 0 0 137003.084 0 6 137745.000 137003.084 0.54% - 4s 0 0 137003.157 0 6 137745.000 137003.157 0.54% - 4s 0 0 137003.157 0 6 137745.000 137003.157 0.54% - 4s 0 0 137003.932 0 3 137745.000 137003.932 0.54% - 4s 0 0 137003.932 0 3 137745.000 137003.932 0.54% - 4s 0 2 137005.614 0 3 137745.000 137005.614 0.54% - 5s H 9 6 137683.00000 137175.344 0.37% 119 5s H 11 7 137663.00000 137175.344 0.35% 103 5s H 16 7 137606.00000 137175.344 0.31% 82.7 6s * 19 8 15 137552.00000 137175.344 0.27% 72.8 6s * 33 7 13 137456.00000 137222.025 0.17% 69.0 6s * 58 3 7 137447.00000 137317.328 0.09% 65.2 7s Cutting planes: Implied bound: 160 Flow cover: 12 Explored 63 nodes (11877 simplex iterations) in 7.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.374470000000e+05, best bound 1.374470000000e+05, gap 0.0%