Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:56:54 2013 Optimize a model with 1023 rows, 86583 columns and 173073 nonzeros Presolve time: 0.15s Presolved: 1023 rows, 86583 columns, 173073 nonzeros Variable types: 86490 continuous, 93 integer (93 binary) Root relaxation: objective 1.187389e+05, 3309 iterations, 0.14 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 118738.857 0 10 - 118738.857 - - 0s H 0 0 133979.00000 118738.857 11.4% - 0s 0 0 119021.381 0 6 133979.000 119021.381 11.2% - 0s H 0 0 127753.56070 119021.381 6.84% - 0s H 0 0 126365.00000 119021.381 5.81% - 0s 0 0 119046.221 0 4 126365.000 119046.221 5.79% - 1s 0 0 119057.118 0 5 126365.000 119057.118 5.78% - 1s 0 0 119067.455 0 5 126365.000 119067.455 5.77% - 1s 0 0 119069.356 0 6 126365.000 119069.356 5.77% - 1s H 0 0 125172.00000 119069.356 4.88% - 1s 0 0 119071.592 0 3 125172.000 119071.592 4.87% - 1s 0 0 119071.826 0 3 125172.000 119071.826 4.87% - 1s 0 0 119073.727 0 4 125172.000 119073.727 4.87% - 2s H 0 0 123252.00000 119073.727 3.39% - 2s 0 0 119073.870 0 4 123252.000 119073.870 3.39% - 2s 0 0 119073.961 0 4 123252.000 119073.961 3.39% - 2s H 0 0 122018.00000 119073.961 2.41% - 2s 0 0 119074.002 0 4 122018.000 119074.002 2.41% - 2s H 0 0 121277.00000 119074.002 1.82% - 2s 0 2 119077.663 0 4 121277.000 119077.663 1.81% - 3s H 4 4 119755.45455 119087.122 0.56% 31.5 3s H 5 5 119707.45455 119087.122 0.52% 38.4 3s H 8 6 119406.00000 119087.122 0.27% 33.5 3s H 17 10 119343.00000 119087.122 0.21% 29.2 3s H 18 11 119339.00000 119087.122 0.21% 28.1 3s * 21 11 19 119309.00000 119087.122 0.19% 25.4 3s H 31 8 119261.00000 119098.469 0.14% 28.4 4s * 32 7 11 119229.00000 119098.469 0.11% 27.8 4s Cutting planes: Implied bound: 115 Flow cover: 18 Explored 44 nodes (5346 simplex iterations) in 4.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.192290000000e+05, best bound 1.192290000000e+05, gap 0.0%