Build (method = -2) #dp: 6862 Step-3' Graph: 114 vertices and 2843 arcs (0.02s) Step-4' Graph: 112 vertices and 2839 arcs (0.03s) #V4/#V3 = 0.98 #A4/#A3 = 1.00 Ready! (0.03s) Optimize a model with 191 rows, 2840 columns and 8306 nonzeros Presolve removed 27 rows and 27 columns Presolve time: 0.02s Presolved: 164 rows, 2813 columns, 8227 nonzeros Variable types: 0 continuous, 2813 integer (0 binary) Optimize a model with 164 rows, 2813 columns and 8227 nonzeros Presolved: 164 rows, 2813 columns, 8227 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 5.073e+03 Factor NZ : 8.223e+03 (roughly 1 MByte of memory) Factor Ops : 5.461e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.03950320e+09 -2.23796428e+10 4.64e+10 2.22e-16 3.59e+07 0s 1 1.36600182e+09 -7.82464531e+09 9.69e+09 5.55e-16 7.82e+06 0s 2 3.44860050e+08 -3.22708807e+09 8.49e+08 2.18e-14 1.11e+06 0s 3 2.45146349e+08 -6.94108577e+08 3.76e+07 5.33e-15 1.78e+05 0s 4 2.06000890e+08 -2.96909377e+08 8.56e+04 2.78e-15 8.86e+04 0s 5 1.61845553e+08 -9.34566258e+07 4.21e+04 1.11e-15 4.50e+04 0s 6 1.32927205e+08 9.03449444e+06 1.93e+04 3.33e-16 2.18e+04 0s 7 1.14652684e+08 4.96591109e+07 1.07e+04 2.78e-16 1.14e+04 0s 8 1.07685101e+08 7.00523453e+07 5.00e+03 2.61e-16 6.63e+03 0s 9 1.05630704e+08 7.91990312e+07 2.98e+03 2.22e-16 4.65e+03 0s 10 1.01516128e+08 8.88100049e+07 7.18e+02 3.33e-16 2.24e+03 0s 11 1.00161126e+08 9.50700917e+07 1.77e+02 3.33e-16 8.96e+02 0s 12 9.97386785e+07 9.71170916e+07 8.12e+01 2.22e-16 4.62e+02 0s 13 9.94812214e+07 9.79192379e+07 3.87e+01 2.22e-16 2.75e+02 0s 14 9.93827069e+07 9.82452616e+07 2.49e+01 2.22e-16 2.00e+02 0s 15 9.93300906e+07 9.86979730e+07 1.68e+01 2.08e-16 1.11e+02 0s 16 9.92925924e+07 9.88805570e+07 1.20e+01 1.57e-16 7.25e+01 0s 17 9.92196548e+07 9.90806079e+07 3.10e+00 2.22e-16 2.45e+01 0s 18 9.91892719e+07 9.91457453e+07 1.26e+00 3.33e-16 7.66e+00 0s 19 9.91696724e+07 9.91603915e+07 2.93e-01 2.60e-16 1.63e+00 0s 20 9.91684385e+07 9.91636983e+07 2.28e-01 5.17e-08 8.35e-01 0s 21 9.91675108e+07 9.91662968e+07 2.94e-02 1.31e-08 2.14e-01 0s 22 9.91666692e+07 9.91666572e+07 1.84e-04 2.06e-08 2.16e-03 0s 23 9.91666667e+07 9.91666667e+07 5.22e-07 7.25e-12 1.93e-07 0s Barrier solved model in 23 iterations and 0.04 seconds Optimal objective 9.91666667e+07 Root relaxation: objective 9.916667e+07, 2036 iterations, 0.06 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 9.9167e+07 0 58 - 9.9167e+07 - - 0s H 0 0 9.916667e+07 9.9167e+07 0.00% - 0s H 0 0 9.916667e+07 9.9167e+07 0.00% - 0s 0 0 9.9167e+07 0 40 9.9167e+07 9.9167e+07 0.00% - 0s H 0 0 9.916667e+07 9.9167e+07 0.00% - 0s Cutting planes: Gomory: 1 Explored 0 nodes (2443 simplex iterations) in 0.41 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 9.916666700000e+07, best bound 9.916666666667e+07, gap 0.0000% Preprocessing time: 0.04 seconds Gurobi run time: 0.41 seconds Total run time: 0.45 seconds Objective: 99166667 Solution: 2000000 x [31, 79] 374998 x [3, 9, 79] 1625002 x [6, 6, 79] 1000000 x [32, 78] 2000000 x [33, 77] 1444442 x [4, 10, 77] 555558 x [7, 7, 77] 2000000 x [34, 76] 2000000 x [35, 75] 777781 x [36, 74] 694443 x [3, 14, 74] 1527776 x [4, 13, 74] 1000000 x [8, 9, 74] 5000000 x [37, 73] 1722222 x [1, 18, 72] 2277778 x [2, 17, 72] 541671 x [3, 16, 72] 458337 x [4, 15, 72] 999992 x [7, 12, 72] 1000000 x [38, 71] 263886 x [1, 19, 71] 736114 x [2, 18, 71] 1000000 x [39, 70] 2000000 x [40, 69] 1000000 x [6, 16, 69] 1000000 x [41, 68] 2000000 x [42, 67] 1513886 x [2, 22, 67] 972220 x [9, 15, 67] 513894 x [12, 12, 67] 3000000 x [43, 66] 1000000 x [44, 65] 1000000 x [45, 64] 1000001 x [1, 27, 63] 999999 x [4, 24, 63] 1000000 x [46, 62] 1444444 x [3, 26, 62] 1555556 x [4, 25, 62] 4000000 x [47, 61] 1000000 x [6, 24, 61] 1000000 x [48, 60] 1000000 x [9, 22, 60] 2000000 x [49, 59] 2000000 x [50, 58] 2944443 x [3, 30, 58] 861112 x [7, 26, 58] 652781 x [9, 24, 58] 541664 x [15, 18, 58] 1000000 x [51, 57] 472222 x [2, 32, 57] 527778 x [6, 28, 57] 1000000 x [11, 23, 57] 1000000 x [14, 20, 57] 4000000 x [52, 56] 555557 x [10, 25, 56] 972220 x [12, 23, 56] 472223 x [13, 22, 56] 3000000 x [53, 55] 27780 x [7, 30, 54] 1 x [13, 24, 54] 27780 x [14, 23, 54] 1 x [3, 9, 54] 2972219 x [54, 54] 263886 x [14, 24, 53] 13891 x [16, 22, 53] 1000001 x [17, 21, 53] 722222 x [19, 19, 53] 1000000 x [18, 24, 49] 1000000 x [5, 41, 45] 722221 x [17, 30, 45] 1277779 x [19, 28, 45] 999999 x [21, 27, 44] 1 x [4, 10, 15, 44] 1000000 x [17, 32, 43] 1000000 x [23, 28, 41] 1083333 x [24, 29, 39] 2888887 x [25, 28, 39] 13891 x [1, 14, 19, 39] 13889 x [4, 15, 15, 39] 1 x [16, 16, 36] 222218 x [6, 16, 16, 36] 694444 x [26, 32, 35] 305556 x [28, 30, 35] 1000000 x [29, 30, 34] 916667 x [29, 32, 32]