Gurobi 5.0.1 (linux64) logging started Wed Apr 24 11:23:47 2013 Optimize a model with 170430 rows, 169130 columns and 676130 nonzeros Presolve removed 7275 rows and 0 columns Presolve time: 1.58s Presolved: 163155 rows, 169130 columns, 661580 nonzeros Variable types: 169000 continuous, 130 integer (130 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 21036 1.3891357e+05 4.799959e+04 0.000000e+00 5s 25698 1.6951089e+05 6.633234e+04 0.000000e+00 10s 27252 1.7682272e+05 1.083865e+06 0.000000e+00 15s 29028 1.8414655e+05 4.732880e+05 0.000000e+00 21s 30804 1.8863950e+05 2.040620e+06 0.000000e+00 25s 32358 1.9145616e+05 7.002316e+05 0.000000e+00 30s 33912 1.9510688e+05 1.340787e+05 0.000000e+00 35s 35910 1.9971665e+05 7.614051e+04 0.000000e+00 40s 38352 2.0281369e+05 7.927325e+04 0.000000e+00 45s 40572 2.0536447e+05 9.462369e+04 0.000000e+00 50s 43014 2.0629780e+05 1.130879e+03 0.000000e+00 55s 44105 2.0641415e+05 0.000000e+00 0.000000e+00 58s Root relaxation: objective 2.064142e+05, 44105 iterations, 57.99 seconds Total elapsed time = 60.06s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 206414.155 0 5 - 206414.155 - - 60s H 0 0 212978.00000 206414.155 3.08% - 62s 0 0 206414.307 0 5 212978.000 206414.307 3.08% - 64s 0 0 206414.477 0 6 212978.000 206414.477 3.08% - 66s H 0 0 212319.80000 206414.477 2.78% - 73s H 0 0 209580.00000 206414.477 1.51% - 81s 0 2 206414.995 0 6 209580.000 206414.995 1.51% - 81s 1 3 206612.552 1 3 209580.000 206473.229 1.48% 1945 85s 5 7 206659.307 4 3 209580.000 206616.557 1.41% 1017 91s H 8 8 208416.84712 206616.557 0.86% 772 94s H 8 8 207150.00000 206616.557 0.26% 772 95s 11 11 206767.737 9 1 207150.000 206616.557 0.26% 842 100s 13 11 206968.500 11 3 207150.000 206616.557 0.26% 919 105s 17 11 207080.250 15 1 207150.000 206616.557 0.26% 819 110s H 22 10 207145.00000 206616.557 0.26% 689 114s 22 10 207143.133 20 2 207145.000 206616.557 0.26% 697 115s H 27 10 207026.00000 206637.020 0.19% 680 119s H 27 8 206840.00000 206637.020 0.10% 680 119s 27 10 206772.904 6 2 206840.000 206637.020 0.10% 681 120s * 31 12 9 206838.00000 206637.020 0.10% 637 122s 36 8 206779.269 4 3 206838.000 206662.305 0.08% 598 125s 47 9 206789.143 3 3 206838.000 206706.877 0.06% 528 130s Cutting planes: Gomory: 1 Flow cover: 4 Explored 57 nodes (70907 simplex iterations) in 132.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.068380000000e+05, best bound 2.068177368421e+05, gap 0.0098%