Gurobi 5.0.1 (linux64) logging started Wed Apr 24 11:11:08 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 2.195754e+05, 6013 iterations, 0.32 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 219575.419 0 8 - 219575.419 - - 0s H 0 0 246973.00000 219575.419 11.1% - 0s 0 0 219777.699 0 7 246973.000 219777.699 11.0% - 1s H 0 0 246538.00000 219777.699 10.9% - 1s 0 0 219804.007 0 5 246538.000 219804.007 10.8% - 1s H 0 0 236703.52107 219804.007 7.14% - 1s H 0 0 235775.00000 219804.007 6.77% - 1s 0 0 219812.873 0 5 235775.000 219812.873 6.77% - 2s 0 0 219814.530 0 5 235775.000 219814.530 6.77% - 2s H 0 0 235573.00000 219814.530 6.69% - 2s 0 0 219824.461 0 5 235573.000 219824.461 6.69% - 2s H 0 0 235353.00000 219824.461 6.60% - 2s 0 0 219824.461 0 5 235353.000 219824.461 6.60% - 2s H 0 0 235333.00000 219824.461 6.59% - 3s 0 0 219826.973 0 5 235333.000 219826.973 6.59% - 3s 0 0 219828.022 0 5 235333.000 219828.022 6.59% - 3s 0 0 219828.464 0 5 235333.000 219828.464 6.59% - 3s 0 0 219829.103 0 5 235333.000 219829.103 6.59% - 4s 0 0 219829.103 0 5 235333.000 219829.103 6.59% - 4s H 0 0 235218.00000 219829.103 6.54% - 4s 0 0 219830.035 0 6 235218.000 219830.035 6.54% - 4s H 0 0 228769.00000 219830.035 3.91% - 4s 0 0 219830.035 0 6 228769.000 219830.035 3.91% - 5s H 0 0 228763.00000 219830.035 3.90% - 5s 0 0 219830.495 0 5 228763.000 219830.495 3.90% - 5s 0 0 219830.495 0 5 228763.000 219830.495 3.90% - 5s 0 0 219830.495 0 5 228763.000 219830.495 3.90% - 5s H 0 0 222156.00000 219830.495 1.05% - 6s 0 0 219830.495 0 8 222156.000 219830.495 1.05% - 7s 0 0 219830.495 0 7 222156.000 219830.495 1.05% - 8s 0 0 219830.495 0 5 222156.000 219830.495 1.05% - 8s 0 0 219830.495 0 5 222156.000 219830.495 1.05% - 8s 0 0 219830.495 0 5 222156.000 219830.495 1.05% - 8s 0 0 219830.495 0 5 222156.000 219830.495 1.05% - 9s 0 0 219830.495 0 5 222156.000 219830.495 1.05% - 9s 0 0 219830.495 0 6 222156.000 219830.495 1.05% - 9s 0 0 219830.495 0 6 222156.000 219830.495 1.05% - 9s 0 0 219830.495 0 5 222156.000 219830.495 1.05% - 9s 0 0 219830.495 0 5 222156.000 219830.495 1.05% - 10s 0 0 219830.495 0 5 222156.000 219830.495 1.05% - 10s 0 0 219830.495 0 5 222156.000 219830.495 1.05% - 10s 0 2 219842.820 0 5 222156.000 219842.820 1.04% - 11s H 10 10 220440.00000 219888.051 0.25% 88.9 12s H 13 9 220344.00000 219888.051 0.21% 80.4 12s H 18 10 220231.00000 219888.051 0.16% 69.9 12s * 20 8 17 220193.00000 219888.051 0.14% 64.7 13s * 26 5 5 220075.00000 219935.407 0.06% 71.5 13s Cutting planes: Implied bound: 144 Flow cover: 6 Explored 31 nodes (13767 simplex iterations) in 13.52 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.200750000000e+05, best bound 2.200659889330e+05, gap 0.0041%