Gurobi 5.0.1 (linux64) logging started Wed Apr 24 12:05:37 2013 Optimize a model with 226650 rows, 225150 columns and 900150 nonzeros Presolve removed 9471 rows and 0 columns Presolve time: 2.33s Presolved: 217179 rows, 225150 columns, 881208 nonzeros Variable types: 225000 continuous, 150 integer (150 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 20266 1.4073325e+05 6.247377e+04 0.000000e+00 5s 28109 1.6626877e+05 3.093222e+04 0.000000e+00 10s 34750 1.9734620e+05 2.381031e+06 0.000000e+00 16s 36015 2.0253324e+05 7.102974e+06 0.000000e+00 21s 37027 2.0497860e+05 1.567665e+05 0.000000e+00 25s 38292 2.0861497e+05 9.152852e+05 0.000000e+00 31s 39304 2.1159213e+05 1.275493e+06 0.000000e+00 36s 40316 2.1300247e+05 9.118619e+05 0.000000e+00 41s 41328 2.1419873e+05 1.326640e+05 0.000000e+00 46s 42087 2.1694720e+05 3.269591e+05 0.000000e+00 50s 43099 2.1894003e+05 3.333753e+04 0.000000e+00 56s 44617 2.2164307e+05 1.713948e+05 0.000000e+00 61s 45629 2.2371934e+05 6.339871e+05 0.000000e+00 65s 46894 2.2560283e+05 7.422004e+04 0.000000e+00 71s 48159 2.2778090e+05 1.054903e+04 0.000000e+00 76s 49171 2.2886736e+05 1.536106e+04 0.000000e+00 81s 50183 2.3009855e+05 1.029618e+04 0.000000e+00 86s 51195 2.3101297e+05 4.574201e+04 0.000000e+00 90s 52460 2.3186372e+05 2.525505e+04 0.000000e+00 96s 53725 2.3247383e+05 2.794229e+04 0.000000e+00 100s 55243 2.3339994e+05 1.065422e+04 0.000000e+00 106s 56508 2.3387608e+05 5.083458e+04 0.000000e+00 111s 57773 2.3405369e+05 3.080357e+03 0.000000e+00 116s 58785 2.3414972e+05 1.022248e+03 0.000000e+00 120s 59797 2.3418244e+05 9.446565e-02 0.000000e+00 126s 59799 2.3418244e+05 0.000000e+00 0.000000e+00 126s Root relaxation: objective 2.341824e+05, 59799 iterations, 125.76 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 234182.439 0 2 - 234182.439 - - 128s H 0 0 234554.00000 234182.439 0.16% - 130s 0 0 234182.522 0 2 234554.000 234182.522 0.16% - 132s 0 2 234182.767 0 2 234554.000 234182.767 0.16% - 146s 2 3 234235.590 2 2 234554.000 234235.590 0.14% 1084 151s H 4 3 234422.00000 234237.820 0.08% 622 153s 5 5 234304.222 5 1 234422.000 234237.820 0.08% 719 155s * 6 4 6 234311.00000 234237.820 0.03% 640 155s Cutting planes: Flow cover: 2 Explored 10 nodes (64438 simplex iterations) in 157.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.343110000000e+05, best bound 2.343110000000e+05, gap 0.0%