Gurobi 5.0.1 (linux64) logging started Wed Apr 24 11:42:46 2013 Optimize a model with 1540 rows, 196140 columns and 392140 nonzeros Presolve time: 0.46s Presolved: 1540 rows, 196140 columns, 392140 nonzeros Variable types: 196000 continuous, 140 integer (140 binary) Root relaxation: objective 2.207238e+05, 6394 iterations, 0.52 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 220723.816 0 2 - 220723.816 - - 1s H 0 0 228742.00000 220723.816 3.51% - 1s 0 0 220798.975 0 2 228742.000 220798.975 3.47% - 1s 0 0 220819.414 0 2 228742.000 220819.414 3.46% - 2s 0 0 220823.332 0 2 228742.000 220823.332 3.46% - 2s 0 0 220827.026 0 2 228742.000 220827.026 3.46% - 2s 0 0 220827.026 0 2 228742.000 220827.026 3.46% - 3s 0 0 220827.026 0 2 228742.000 220827.026 3.46% - 3s 0 0 220827.026 0 2 228742.000 220827.026 3.46% - 4s 0 0 220827.026 0 2 228742.000 220827.026 3.46% - 4s 0 0 220828.622 0 2 228742.000 220828.622 3.46% - 4s 0 0 220829.153 0 2 228742.000 220829.153 3.46% - 5s 0 0 220829.153 0 2 228742.000 220829.153 3.46% - 5s 0 0 220829.402 0 1 228742.000 220829.402 3.46% - 5s H 0 0 224406.34646 220829.402 1.59% - 5s H 0 0 223651.00000 220829.402 1.26% - 5s 0 0 220829.402 0 1 223651.000 220829.402 1.26% - 6s 0 0 220829.402 0 2 223651.000 220829.402 1.26% - 7s H 0 0 222509.00000 220829.402 0.75% - 7s 0 0 220829.402 0 2 222509.000 220829.402 0.75% - 7s 0 0 220829.402 0 2 222509.000 220829.402 0.75% - 8s 0 0 220829.402 0 2 222509.000 220829.402 0.75% - 8s 0 0 220829.402 0 2 222509.000 220829.402 0.75% - 8s 0 0 220829.402 0 2 222509.000 220829.402 0.75% - 8s 0 0 220829.402 0 2 222509.000 220829.402 0.75% - 9s 0 0 220829.402 0 2 222509.000 220829.402 0.75% - 9s 0 0 220829.402 0 2 222509.000 220829.402 0.75% - 9s 0 0 220829.402 0 2 222509.000 220829.402 0.75% - 9s 0 0 220829.402 0 2 222509.000 220829.402 0.75% - 9s 0 0 220829.402 0 1 222509.000 220829.402 0.75% - 10s 0 0 220829.402 0 1 222509.000 220829.402 0.75% - 10s 0 2 220851.217 0 1 222509.000 220851.217 0.75% - 11s H 7 7 222275.00000 221065.611 0.54% 146 12s H 10 9 221984.00000 221065.611 0.41% 109 13s H 14 13 221926.00000 221065.611 0.39% 91.9 13s H 16 12 221634.00000 221065.611 0.26% 84.5 13s * 19 13 18 221506.00000 221065.611 0.20% 74.1 13s * 21 11 16 221420.00000 221065.611 0.16% 70.8 13s * 33 8 8 221360.00000 221121.399 0.11% 82.4 15s H 38 4 221291.00000 221122.629 0.08% 80.1 15s * 40 5 9 221227.00000 221180.667 0.02% 79.0 15s Cutting planes: Implied bound: 110 Flow cover: 6 Explored 46 nodes (14974 simplex iterations) in 15.52 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.212270000000e+05, best bound 2.212141428571e+05, gap 0.0058%