Gurobi 5.0.1 (linux64) logging started Wed Apr 24 07:58:30 2013 Optimize a model with 91390 rows, 90440 columns and 361190 nonzeros Presolve removed 95 rows and 0 columns Presolve time: 0.45s Presolved: 91295 rows, 90440 columns, 361095 nonzeros Variable types: 90345 continuous, 95 integer (95 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9872 8.0580342e+04 2.495262e+04 0.000000e+00 5s 11582 8.1806200e+04 6.546774e+04 0.000000e+00 10s 12950 8.2378505e+04 1.552167e+03 0.000000e+00 15s 13970 8.2500350e+04 0.000000e+00 0.000000e+00 19s Root relaxation: objective 8.250035e+04, 13970 iterations, 18.60 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 82500.3504 0 77 - 82500.3504 - - 19s H 0 0 176680.00000 82500.3504 53.3% - 36s 0 0 108909.598 0 24 176680.000 108909.598 38.4% - 66s H 0 0 172138.52951 108909.598 36.7% - 66s H 0 0 135380.00000 108909.598 19.6% - 68s H 0 0 134171.00000 108909.598 18.8% - 71s 0 0 116958.080 0 4 134171.000 116958.080 12.8% - 78s H 0 0 126252.50692 116958.080 7.36% - 78s H 0 0 124982.00000 116958.080 6.42% - 78s 0 0 117612.376 0 2 124982.000 117612.376 5.90% - 80s H 0 0 119470.46981 117612.376 1.56% - 80s H 0 0 119172.00000 117612.376 1.31% - 80s H 0 0 118212.00000 117612.376 0.51% - 80s 0 2 117613.649 0 2 118212.000 117613.649 0.51% - 82s H 3 3 118179.96274 117724.125 0.39% 387 83s H 4 3 118023.16667 117727.000 0.25% 342 83s 8 4 117948.128 7 2 118023.167 117727.000 0.25% 411 85s * 9 3 8 117952.00000 117727.000 0.19% 389 85s Cutting planes: Implied bound: 93 Explored 13 nodes (35335 simplex iterations) in 86.67 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.179520000000e+05, best bound 1.179520000000e+05, gap 0.0%