Gurobi 5.0.1 (linux64) logging started Wed Nov 28 11:44:45 2012 Optimize a model with 328787 rows, 328647 columns and 1304928 nonzeros Presolve removed 3243 rows and 3243 columns Presolve time: 3.73s Presolved: 325544 rows, 325404 columns, 1298442 nonzeros Variable types: 320574 continuous, 4830 integer (4830 binary) Found heuristic solution: objective 88627.000000 Found heuristic solution: objective 48400.000000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 23264 3.8195000e+04 5.610000e+02 0.000000e+00 6s 34657 3.8320000e+04 4.720000e+02 0.000000e+00 11s 46473 3.8375000e+04 2.692000e+03 0.000000e+00 16s 54177 3.8414000e+04 6.000000e+02 0.000000e+00 21s 63021 3.8414000e+04 5.510000e+02 0.000000e+00 26s 70681 3.8432500e+04 5.420000e+02 0.000000e+00 30s 80623 3.8438001e+04 5.980000e+02 0.000000e+00 37s 85972 3.8438001e+04 5.320000e+02 0.000000e+00 40s 95583 3.8629500e+04 1.185500e+03 0.000000e+00 47s 105403 3.8652500e+04 6.775000e+02 0.000000e+00 54s 111665 3.8652500e+04 4.865000e+02 0.000000e+00 58s 118008 3.8652500e+04 4.440000e+02 0.000000e+00 63s 124351 3.8652500e+04 4.600000e+02 0.000000e+00 69s 130650 3.8652501e+04 4.810000e+02 0.000000e+00 74s 136725 3.8652501e+04 4.430000e+02 0.000000e+00 79s 142894 3.8652501e+04 4.025000e+02 0.000000e+00 84s 148802 3.8652501e+04 4.035000e+02 0.000000e+00 90s 154759 3.8652501e+04 3.425000e+02 0.000000e+00 95s 160269 3.8652501e+04 3.160000e+02 0.000000e+00 100s 165549 3.8652501e+04 2.610000e+02 0.000000e+00 105s 175689 3.8652501e+04 2.605000e+02 0.000000e+00 115s 180574 3.8652501e+04 2.500000e+02 0.000000e+00 119s 185258 3.8652501e+04 2.310000e+02 0.000000e+00 124s 189826 3.8652501e+04 2.465000e+02 0.000000e+00 128s 194304 3.8652501e+04 2.495000e+02 0.000000e+00 133s 198811 3.8652501e+04 2.395000e+02 0.000000e+00 137s 203251 3.8652501e+04 2.345000e+02 0.000000e+00 142s 207641 3.8652501e+04 1.845000e+02 0.000000e+00 146s 211697 3.8652501e+04 1.670000e+02 0.000000e+00 151s 219037 3.8652501e+04 1.675000e+02 0.000000e+00 158s 222617 3.8652501e+04 1.480000e+02 0.000000e+00 162s 225973 3.8652501e+04 1.380000e+02 0.000000e+00 166s 232014 3.8652501e+04 9.600000e+01 0.000000e+00 172s 234734 3.8652501e+04 8.500000e+01 0.000000e+00 175s 239730 3.8652501e+04 7.900000e+01 0.000000e+00 181s 243909 3.8652501e+04 5.250000e+01 0.000000e+00 186s 247748 3.8652501e+04 1.350000e+01 0.000000e+00 190s 248626 3.8652500e+04 0.000000e+00 0.000000e+00 191s Root relaxation: objective 3.865250e+04, 248626 iterations, 191.31 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 38652.5000 0 28 48400.0000 38652.5000 20.1% - 197s H 0 0 39125.000000 38652.5000 1.21% - 199s H 0 0 39079.000000 38652.5000 1.09% - 200s 0 0 38657.8889 0 51 39079.0000 38657.8889 1.08% - 212s 0 0 38657.8889 0 28 39079.0000 38657.8889 1.08% - 251s 0 0 38664.6667 0 28 39079.0000 38664.6667 1.06% - 261s H 0 0 38675.000000 38664.6667 0.03% - 262s H 0 0 38673.000000 38664.6667 0.02% - 262s 0 0 38666.0000 0 36 38673.0000 38666.0000 0.02% - 263s 0 1 38667.5000 0 36 38673.0000 38667.5000 0.01% - 268s Explored 3 nodes (386868 simplex iterations) in 269.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.867300000000e+04, best bound 3.867300000000e+04, gap 0.0%