Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:51:04 2013 Optimize a model with 80278 rows, 79388 columns and 317018 nonzeros Presolve removed 89 rows and 0 columns Presolve time: 0.38s Presolved: 80189 rows, 79388 columns, 316929 nonzeros Variable types: 79299 continuous, 89 integer (89 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 8372 7.4594642e+04 4.534221e+04 0.000000e+00 5s 9347 7.4737272e+04 0.000000e+00 0.000000e+00 7s Root relaxation: objective 7.473727e+04, 9347 iterations, 7.34 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 74737.2723 0 60 - 74737.2723 - - 8s H 0 0 116639.00000 74737.2723 35.9% - 12s H 0 0 109525.00000 74737.2723 31.8% - 25s 0 0 93752.3303 0 21 109525.000 93752.3303 14.4% - 40s 0 0 97700.4334 0 9 109525.000 97700.4334 10.8% - 53s 0 0 99728.4862 0 6 109525.000 99728.4862 8.94% - 56s 0 0 100065.164 0 5 109525.000 100065.164 8.64% - 57s 0 0 100750.694 0 6 109525.000 100750.694 8.01% - 59s 0 0 101081.736 0 4 109525.000 101081.736 7.71% - 60s H 0 0 108142.14034 101081.736 6.53% - 60s H 0 0 107626.00000 101081.736 6.08% - 60s H 0 0 106832.00000 101081.736 5.38% - 61s 0 2 101087.211 0 4 106832.000 101087.211 5.38% - 63s H 2 2 105901.81569 101192.572 4.45% 274 63s H 3 3 103444.14790 101270.634 2.10% 392 64s H 5 5 102041.00000 101270.634 0.75% 374 64s 5 7 101430.333 5 1 102041.000 101270.634 0.75% 444 65s H 19 9 101785.00000 101270.634 0.51% 217 67s * 22 9 21 101763.00000 101270.634 0.48% 199 67s H 27 11 101713.00000 101273.700 0.43% 211 69s * 30 12 6 101588.00000 101273.700 0.31% 216 69s 33 10 101522.153 3 1 101588.000 101335.666 0.25% 226 70s H 47 1 101575.00000 101510.295 0.06% 212 71s * 49 3 9 101553.00000 101513.067 0.04% 205 71s * 51 1 8 101543.00000 101513.067 0.03% 198 71s Cutting planes: Gomory: 1 Implied bound: 89 Explored 53 nodes (37208 simplex iterations) in 71.51 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.015430000000e+05, best bound 1.015430000000e+05, gap 0.0%