Gurobi 5.0.1 (linux64) logging started Wed Apr 24 12:55:32 2013 Optimize a model with 2420 rows, 484220 columns and 968220 nonzeros Presolve time: 1.46s Presolved: 2420 rows, 484220 columns, 968220 nonzeros Variable types: 484000 continuous, 220 integer (220 binary) Root relaxation: objective 4.653777e+05, 18765 iterations, 3.30 seconds Total elapsed time = 5.01s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 465377.657 0 3 - 465377.657 - - 5s H 0 0 483808.00000 465377.657 3.81% - 6s 0 0 465553.950 0 3 483808.000 465553.950 3.77% - 8s 0 0 465636.101 0 2 483808.000 465636.101 3.76% - 10s 0 0 465681.458 0 2 483808.000 465681.458 3.75% - 11s 0 0 465691.937 0 2 483808.000 465691.937 3.74% - 13s 0 0 465700.227 0 2 483808.000 465700.227 3.74% - 14s 0 0 465703.543 0 3 483808.000 465703.543 3.74% - 15s 0 0 465707.869 0 2 483808.000 465707.869 3.74% - 16s 0 0 465713.454 0 2 483808.000 465713.454 3.74% - 17s 0 0 465718.064 0 2 483808.000 465718.064 3.74% - 18s 0 0 465718.064 0 2 483808.000 465718.064 3.74% - 19s 0 0 465718.064 0 2 483808.000 465718.064 3.74% - 20s 0 0 465718.064 0 2 483808.000 465718.064 3.74% - 21s 0 0 465718.064 0 2 483808.000 465718.064 3.74% - 22s H 0 0 468735.00000 465718.064 0.64% - 24s 0 0 465718.064 0 3 468735.000 465718.064 0.64% - 28s 0 0 465718.064 0 2 468735.000 465718.064 0.64% - 29s 0 0 465718.064 0 2 468735.000 465718.064 0.64% - 30s 0 0 465718.064 0 2 468735.000 465718.064 0.64% - 31s 0 0 465718.064 0 2 468735.000 465718.064 0.64% - 31s 0 0 465718.064 0 2 468735.000 465718.064 0.64% - 32s 0 0 465718.064 0 2 468735.000 465718.064 0.64% - 32s 0 0 465718.064 0 2 468735.000 465718.064 0.64% - 33s 0 0 465718.064 0 2 468735.000 465718.064 0.64% - 33s 0 0 465718.064 0 2 468735.000 465718.064 0.64% - 34s 0 0 465718.064 0 2 468735.000 465718.064 0.64% - 34s 0 0 465718.064 0 2 468735.000 465718.064 0.64% - 34s 0 0 465718.064 0 2 468735.000 465718.064 0.64% - 35s 0 0 465718.064 0 2 468735.000 465718.064 0.64% - 35s 0 0 465718.064 0 2 468735.000 465718.064 0.64% - 36s 0 0 465718.064 0 2 468735.000 465718.064 0.64% - 36s 0 2 465750.477 0 2 468735.000 465750.477 0.64% - 38s 2 5 466045.354 1 1 468735.000 466045.354 0.57% 634 40s 11 13 466473.375 10 1 468735.000 466058.681 0.57% 319 45s H 14 12 468663.00000 466058.681 0.56% 284 46s H 15 12 468378.00000 466058.681 0.50% 278 46s H 16 13 468357.00000 466058.681 0.49% 276 47s H 17 14 468326.00000 466058.681 0.48% 263 47s H 18 12 466988.00000 466058.681 0.20% 260 48s H 21 11 466983.00000 466058.681 0.20% 223 48s * 22 12 20 466931.00000 466058.681 0.19% 214 48s 27 12 466895.767 5 2 466931.000 466204.951 0.16% 227 50s 42 4 466913.878 4 1 466931.000 466579.526 0.08% 242 55s Cutting planes: Implied bound: 103 Flow cover: 2 Explored 46 nodes (44505 simplex iterations) in 56.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.669310000000e+05, best bound 4.668933333333e+05, gap 0.0081%