Build (method = -2) #dp: 7071 Step-3' Graph: 120 vertices and 1651 arcs (0.03s) Step-4' Graph: 85 vertices and 1581 arcs (0.03s) #V4/#V3 = 0.71 #A4/#A3 = 0.96 Ready! (0.03s) Optimize a model with 166 rows, 1582 columns and 4582 nonzeros Presolve removed 27 rows and 46 columns Presolve time: 0.02s Presolved: 139 rows, 1536 columns, 4465 nonzeros Variable types: 0 continuous, 1536 integer (0 binary) Optimize a model with 139 rows, 1536 columns and 4465 nonzeros Presolved: 139 rows, 1536 columns, 4465 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 3.004e+03 Factor NZ : 5.481e+03 Factor Ops : 2.892e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.02619681e+09 -1.39353827e+11 2.00e+11 2.22e-16 3.47e+08 0s 1 1.09555788e+09 -6.84448430e+10 3.40e+10 2.75e-01 7.25e+07 0s 2 1.01938585e+09 -1.60915880e+10 7.30e+09 1.45e-02 1.52e+07 0s 3 9.89540918e+08 -1.04034018e+10 1.02e+09 6.12e-03 4.82e+06 0s 4 8.87095328e+08 -3.18577903e+09 2.80e+07 1.09e-03 1.32e+06 0s 5 7.84599861e+08 -1.58883291e+09 1.32e+07 2.90e-04 7.66e+05 0s 6 6.41278768e+08 -4.86765547e+08 7.91e+06 1.68e-15 3.63e+05 0s 7 5.46678798e+08 1.41456268e+07 4.61e+06 1.81e-15 1.71e+05 0s 8 4.57403804e+08 2.01915464e+08 1.60e+06 1.55e-15 8.19e+04 0s 9 4.29129439e+08 2.91439374e+08 8.74e+05 1.49e-15 4.41e+04 0s 10 4.12468558e+08 3.62774285e+08 4.25e+05 1.34e-15 1.59e+04 0s 11 4.00349721e+08 3.87548510e+08 5.11e+04 1.51e-15 4.09e+03 0s 12 3.96181321e+08 3.92253553e+08 3.39e+03 1.26e-15 1.26e+03 0s 13 3.95816940e+08 3.93851582e+08 1.94e+03 2.18e-07 6.28e+02 0s 14 3.95585389e+08 3.94875616e+08 1.14e+03 3.69e-07 2.27e+02 0s 15 3.95288732e+08 3.95252061e+08 5.80e+01 2.96e-07 1.17e+01 0s 16 3.95273349e+08 3.95273311e+08 1.19e-07 1.54e-08 1.17e-02 0s 17 3.95273333e+08 3.95273333e+08 2.98e-07 1.58e-11 1.87e-07 0s Barrier solved model in 17 iterations and 0.02 seconds Optimal objective 3.95273333e+08 Warning: Markowitz tolerance tightened to 0.5 Root relaxation: objective 3.952733e+08, 779 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.9527e+08 0 36 - 3.9527e+08 - - 0s H 0 0 3.952733e+08 3.9527e+08 0.00% - 0s Explored 0 nodes (1392 simplex iterations) in 0.19 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 3.952733340000e+08, best bound 3.952733333333e+08, gap 0.0000% Preprocessing time: 0.04 seconds Gurobi run time: 0.19 seconds Total run time: 0.23 seconds Objective: 395273334 Solution: 9000000 x [31, 81] 10000000 x [32, 80] 12000000 x [33, 79] 5000000 x [34, 78] 9000000 x [35, 77] 1549999 x [2, 15, 76] 3 x [5, 12, 76] 3450000 x [6, 11, 76] 10999998 x [8, 9, 76] 14000000 x [37, 75] 449999 x [1, 17, 75] 1 x [3, 15, 75] 3549997 x [6, 12, 75] 1 x [9, 75] 2 x [9, 9, 75] 6748333 x [38, 74] 5251667 x [1, 18, 74] 3550000 x [1, 19, 73] 7450000 x [2, 18, 73] 7000000 x [40, 72] 8000000 x [41, 71] 4000000 x [2, 20, 71] 9000000 x [42, 70] 3861667 x [43, 69] 2138333 x [12, 12, 69] 6000000 x [44, 68] 285000 x [4, 21, 68] 2715000 x [5, 20, 68] 1715000 x [3, 23, 67] 6285000 x [5, 21, 67] 9000000 x [46, 66] 1285000 x [3, 25, 65] 2298333 x [10, 18, 65] 9550000 x [11, 17, 65] 4866667 x [13, 15, 65] 15000000 x [48, 64] 7999997 x [3, 27, 63] 4000000 x [4, 26, 63] 3 x [5, 25, 63] 10999998 x [7, 23, 63] 2 x [8, 22, 63] 12000000 x [50, 62] 1 x [2, 29, 62] 2 x [3, 28, 62] 999997 x [6, 25, 62] 10000000 x [51, 61] 3715000 x [4, 28, 61] 1285000 x [9, 23, 61] 12999997 x [52, 60] 3 x [6, 27, 60] 2506667 x [53, 59] 1000000 x [1, 33, 59] 493333 x [14, 20, 59] 5203333 x [54, 58] 8796667 x [10, 25, 58] 13000000 x [55, 57] 6500000 x [56, 56] 1999994 x [5, 33, 55] 3 x [55, 55] 1251667 x [1, 38, 54] 2411667 x [10, 29, 54] 1133333 x [13, 26, 54] 670000 x [1, 39, 53] 2 x [7, 33, 53] 1714997 x [9, 31, 53] 918333 x [15, 25, 53] 9430000 x [19, 21, 53] 3760000 x [20, 20, 53] 1 x [12, 53] 5826667 x [1, 40, 52] 3 x [6, 35, 52] 173333 x [12, 29, 52] 493333 x [10, 34, 49] 11506667 x [14, 30, 49] 7000000 x [4, 42, 47] 3000000 x [6, 42, 45] 2748333 x [19, 29, 45] 1271667 x [20, 28, 45] 3980000 x [24, 24, 45] 4000000 x [16, 34, 43] 2271667 x [19, 31, 43] 1 x [17, 31, 43] 4999998 x [22, 28, 43] 2866667 x [24, 26, 43] 2173333 x [24, 29, 40] 4665000 x [15, 39, 39] 10000000 x [22, 35, 36] 1999997 x [29, 29, 35] 3013333 x [28, 31, 34] 1 x [23, 31, 34] 493333 x [29, 30, 34] 1 x [23, 31, 33] 3 x [29, 29, 33] 3000000 x [29, 32, 32]