Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:22:32 2013 Optimize a model with 20700 rows, 45100 columns and 130050 nonzeros Presolve removed 150 rows and 100 columns Presolve time: 0.35s Presolved: 20550 rows, 45000 columns, 109900 nonzeros Variable types: 35050 continuous, 9950 integer (9950 binary) Root relaxation: objective 1.959342e+05, 11216 iterations, 0.57 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 195934.242 0 3 - 195934.242 - - 1s 0 0 196096.284 0 3 - 196096.284 - - 1s 0 0 196121.642 0 3 - 196121.642 - - 1s 0 0 196122.023 0 3 - 196122.023 - - 1s 0 0 196123.094 0 3 - 196123.094 - - 1s 0 0 196128.914 0 3 - 196128.914 - - 2s 0 0 196129.404 0 4 - 196129.404 - - 2s 0 0 196132.100 0 3 - 196132.100 - - 2s 0 0 196135.031 0 3 - 196135.031 - - 2s 0 0 196135.114 0 3 - 196135.114 - - 2s 0 0 196135.396 0 3 - 196135.396 - - 2s 0 0 196136.014 0 4 - 196136.014 - - 3s 0 0 196140.553 0 3 - 196140.553 - - 3s 0 0 196141.227 0 4 - 196141.227 - - 3s 0 0 196141.418 0 3 - 196141.418 - - 3s 0 0 196142.573 0 3 - 196142.573 - - 3s 0 0 196143.253 0 3 - 196143.253 - - 3s 0 0 196143.522 0 3 - 196143.522 - - 3s 0 0 196148.297 0 3 - 196148.297 - - 3s 0 0 196150.579 0 4 - 196150.579 - - 4s 0 0 196150.645 0 3 - 196150.645 - - 4s 0 0 196152.441 0 3 - 196152.441 - - 4s 0 0 196152.815 0 3 - 196152.815 - - 4s 0 0 196152.997 0 4 - 196152.997 - - 4s 0 0 196153.721 0 3 - 196153.721 - - 4s 0 0 196154.022 0 4 - 196154.022 - - 4s 0 0 196154.482 0 3 - 196154.482 - - 5s 0 2 196155.498 0 3 - 196155.498 - - 6s 33 35 196285.382 33 1 - 196285.382 - 36.9 10s 106 108 196436.177 106 3 - 196329.959 - 23.6 15s H 187 38 196566.43199 196329.959 0.12% 29.7 19s H 187 38 196566.28551 196329.959 0.12% 29.7 19s H 196 40 196566.12817 196329.959 0.12% 31.0 19s H 200 41 196565.78060 196329.959 0.12% 30.5 19s 202 43 196548.842 192 2 196565.781 196329.959 0.12% 30.4 20s H 203 42 196565.59018 196329.959 0.12% 30.2 20s H 205 43 196565.38857 196329.959 0.12% 30.0 20s H 209 44 196565.17566 196329.959 0.12% 29.6 20s H 214 44 196564.95138 196329.959 0.12% 29.1 20s 463 103 196501.100 6 1 196564.951 196422.348 0.07% 25.8 25s 699 75 196559.703 178 1 196564.951 196502.140 0.03% 27.9 30s 901 105 196549.458 188 3 196564.951 196534.631 0.02% 24.0 37s 919 119 196534.631 18 4 196564.951 196534.631 0.02% 31.7 40s 1277 100 196538.909 34 1 196564.951 196538.909 0.01% 26.4 45s Cutting planes: Gomory: 6 Flow cover: 16 Explored 1460 nodes (46160 simplex iterations) in 46.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.965649513752e+05, best bound 1.965454171768e+05, gap 0.0099%