Gurobi 5.0.1 (linux64) logging started Wed Apr 24 13:09:57 2013
Optimize a model with 2530 rows, 529230 columns and 1058230 nonzeros
Presolve time: 3.55s
Presolved: 2530 rows, 529230 columns, 1058230 nonzeros
Variable types: 529000 continuous, 230 integer (230 binary)
Root relaxation: objective 4.923305e+05, 17084 iterations, 2.81 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 492330.531 0 8 - 492330.531 - - 6s
H 0 0 527694.00000 492330.531 6.70% - 9s
0 0 492822.950 0 5 527694.000 492822.950 6.61% - 13s
H 0 0 525644.28269 492822.950 6.24% - 13s
H 0 0 524410.00000 492822.950 6.02% - 14s
0 0 492844.915 0 5 524410.000 492844.915 6.02% - 15s
H 0 0 514294.89858 492844.915 4.17% - 15s
H 0 0 513577.00000 492844.915 4.04% - 16s
0 0 492860.802 0 5 513577.000 492860.802 4.03% - 17s
0 0 492862.134 0 5 513577.000 492862.134 4.03% - 18s
0 0 492862.463 0 5 513577.000 492862.463 4.03% - 20s
0 0 492866.259 0 5 513577.000 492866.259 4.03% - 21s
0 0 492870.776 0 4 513577.000 492870.776 4.03% - 22s
H 0 0 513555.00000 492870.776 4.03% - 23s
0 0 492870.776 0 4 513555.000 492870.776 4.03% - 24s
H 0 0 513518.00000 492870.776 4.02% - 24s
0 0 492870.776 0 4 513518.000 492870.776 4.02% - 25s
0 0 492870.776 0 4 513518.000 492870.776 4.02% - 26s
0 0 492870.776 0 4 513518.000 492870.776 4.02% - 27s
0 0 492870.776 0 8 513518.000 492870.776 4.02% - 37s
0 0 492870.776 0 5 513518.000 492870.776 4.02% - 41s
0 0 492870.776 0 6 513518.000 492870.776 4.02% - 42s
0 0 492870.776 0 5 513518.000 492870.776 4.02% - 43s
0 0 492870.776 0 5 513518.000 492870.776 4.02% - 44s
0 0 492870.776 0 5 513518.000 492870.776 4.02% - 46s
0 0 492870.776 0 5 513518.000 492870.776 4.02% - 47s
0 0 492870.776 0 5 513518.000 492870.776 4.02% - 48s
0 0 492870.776 0 4 513518.000 492870.776 4.02% - 49s
0 0 492870.776 0 4 513518.000 492870.776 4.02% - 50s
0 0 492870.776 0 4 513518.000 492870.776 4.02% - 52s
H 0 0 513508.00000 492870.776 4.02% - 52s
0 0 492870.776 0 4 513508.000 492870.776 4.02% - 53s
0 2 492892.501 0 4 513508.000 492892.501 4.01% - 57s
1 3 492924.908 1 4 513508.000 492924.908 4.01% 487 60s
H 2 2 508873.45329 492924.908 3.13% 244 60s
H 3 3 503695.69190 492945.154 2.13% 241 61s
H 6 6 500354.00000 492964.000 1.48% 170 62s
H 7 7 494409.00000 492964.000 0.29% 154 62s
H 8 7 493864.00000 492964.000 0.18% 144 63s
H 10 7 493200.20000 492964.000 0.05% 129 64s
H 11 7 493181.00000 492964.000 0.04% 135 64s
* 12 7 11 493169.00000 492964.000 0.04% 125 64s
16 4 493158.528 4 4 493169.000 493073.938 0.02% 150 65s
Cutting planes:
Implied bound: 227
Flow cover: 8
Explored 20 nodes (39557 simplex iterations) in 66.85 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 4.931690000000e+05, best bound 4.931200625000e+05, gap 0.0099%