Gurobi 5.0.1 (linux64) logging started Fri Jan 18 03:44:36 2013 Optimize a model with 11600 rows, 120300 columns and 270500 nonzeros Presolve removed 100 rows and 100 columns Presolve time: 0.84s Presolved: 11500 rows, 120200 columns, 260400 nonzeros Variable types: 110200 continuous, 10000 integer (10000 binary) Root relaxation: objective 9.188392e+05, 12419 iterations, 1.70 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 918839.221 0 8 - 918839.221 - - 2s 0 0 918950.299 0 8 - 918950.299 - - 5s 0 0 918962.978 0 6 - 918962.978 - - 5s 0 0 918965.808 0 6 - 918965.808 - - 6s 0 0 918965.998 0 6 - 918965.998 - - 6s 0 0 918965.998 0 6 - 918965.998 - - 7s 0 0 918965.998 0 6 - 918965.998 - - 8s 0 0 918965.998 0 6 - 918965.998 - - 8s 0 0 918965.998 0 6 - 918965.998 - - 10s H 0 0 929882.64652 918965.998 1.17% - 11s 0 2 918965.998 0 6 929882.647 918965.998 1.17% - 12s 5 7 919211.334 3 2 929882.647 919027.218 1.17% 396 15s 16 18 919432.752 8 4 929882.647 919211.334 1.15% 261 20s * 22 19 11 921888.21277 919211.334 0.29% 271 22s 47 15 919576.062 34 2 921888.213 919211.334 0.29% 132 25s 78 15 919659.769 65 4 921888.213 919211.334 0.29% 84.8 30s 107 15 919713.012 93 2 921888.213 919211.334 0.29% 65.7 35s 137 15 919776.191 123 2 921888.213 919211.334 0.29% 52.9 40s 163 15 919816.053 149 2 921888.213 919211.334 0.29% 45.6 45s 189 15 919852.592 175 2 921888.213 919211.334 0.29% 40.4 50s 217 15 919898.831 203 2 921888.213 919211.334 0.29% 36.7 55s 245 15 919943.527 230 2 921888.213 919211.334 0.29% 34.7 60s 272 15 919986.896 255 4 921888.213 919211.334 0.29% 33.5 65s 300 15 920038.930 282 2 921888.213 919211.334 0.29% 32.1 70s 324 15 920090.265 306 2 921888.213 919211.334 0.29% 30.6 75s 349 15 920149.308 329 2 921888.213 919211.334 0.29% 30.5 80s 371 15 920225.512 351 4 921888.213 919211.334 0.29% 29.8 85s 395 15 920319.834 375 2 921888.213 919211.334 0.29% 29.1 90s 420 15 920408.181 400 2 921888.213 919211.334 0.29% 28.7 95s 448 15 920539.137 427 2 921888.213 919211.334 0.29% 28.6 100s 470 15 920652.176 449 2 921888.213 919211.334 0.29% 28.2 105s 495 15 920748.732 474 2 921888.213 919211.334 0.29% 27.7 110s 522 15 920862.263 500 4 921888.213 919211.334 0.29% 27.4 115s 549 15 920978.941 527 2 921888.213 919211.334 0.29% 26.8 120s 572 15 921096.769 550 2 921888.213 919211.334 0.29% 26.3 125s 594 15 921205.244 572 2 921888.213 919211.334 0.29% 25.8 130s 624 15 921357.048 602 2 921888.213 919211.334 0.29% 25.2 135s 657 15 921527.212 632 2 921888.213 919211.334 0.29% 25.1 140s 693 15 921787.098 668 2 921888.213 919211.334 0.29% 24.5 145s 750 19 cutoff 34 921888.213 919211.334 0.29% 27.0 150s H 752 5 919373.45818 919224.495 0.02% 26.9 150s Cutting planes: Implied bound: 43 Flow cover: 11 Explored 766 nodes (36298 simplex iterations) in 151.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.193734581825e+05, best bound 9.192821070083e+05, gap 0.0099%