Build (method = -2) #dp: 13626 Step-3' Graph: 207 vertices and 674 arcs (0.06s) Step-4' Graph: 42 vertices and 344 arcs (0.06s) #V4/#V3 = 0.20 #A4/#A3 = 0.51 Ready! (0.06s) Optimize a model with 206 rows, 345 columns and 955 nonzeros Presolve removed 155 rows and 193 columns Presolve time: 0.00s Presolved: 51 rows, 152 columns, 361 nonzeros Variable types: 0 continuous, 152 integer (44 binary) Found heuristic solution: objective 90.0000000 Optimize a model with 51 rows, 152 columns and 361 nonzeros Presolve removed 0 rows and 1 columns Presolved: 51 rows, 151 columns, 359 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 9.900e+01 Factor NZ : 7.380e+02 Factor Ops : 1.377e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.48922132e+03 -5.23760205e+03 1.93e+03 4.44e-16 1.06e+02 0s 1 1.15932522e+03 -1.83827208e+03 2.88e+02 8.88e-16 1.76e+01 0s 2 1.70426301e+02 -2.18134431e+02 7.78e+00 1.60e-14 1.39e+00 0s 3 1.16124594e+02 1.68344943e+01 9.79e-02 3.77e-15 3.17e-01 0s 4 9.25096064e+01 7.42978404e+01 1.82e-03 6.66e-16 5.82e-02 0s 5 9.00935396e+01 8.93396922e+01 4.86e-05 5.55e-16 2.41e-03 0s Barrier performed 5 iterations in 0.00 seconds Objective cutoff exceeded Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 9.000000000000e+01, best bound 9.000000000000e+01, gap 0.0% Preprocessing time: 0.07 seconds Gurobi run time: 0.01 seconds Total run time: 0.08 seconds Objective: 90 Solution: 1 x [60, 108] 1 x [45, 75] 1 x [45, 74] 1 x [77, 102] 1 x [76, 101] 1 x [79, 99] 1 x [49, 98] 1 x [83, 96] 1 x [84, 160] 1 x [86, 93] 1 x [82, 162] 1 x [81, 152] 1 x [89, 90] 1 x [48, 88] 1 x [46, 87] 1 x [85, 94] 1 x [80, 97] 1 x [100, 112] 1 x [78, 95] 1 x [73, 105] 1 x [72, 107] 1 x [72, 106] 1 x [72, 104] 1 x [68, 110] 1 x [67, 111] 1 x [32, 103] 1 x [41, 63] 1 x [36, 62] 1 x [28, 61] 1 x [59, 116] 1 x [115, 144] 1 x [57, 117] 1 x [55, 114] 1 x [54, 118] 1 x [52, 119] 1 x [51, 113] 1 x [47, 121] 1 x [109, 120] 1 x [26, 43] 1 x [42, 124] 1 x [40, 126] 1 x [39, 125] 1 x [38, 123] 1 x [37, 131] 1 x [35, 133] 1 x [34, 134] 1 x [25, 33] 1 x [30, 135] 1 x [22, 29] 1 x [20, 27] 1 x [18, 150] 1 x [21, 138] 1 x [12, 19] 1 x [11, 16] 1 x [15, 147] 1 x [14, 148] 1 x [14, 146] 1 x [13, 145] 1 x [9, 151] 1 x [7, 149] 1 x [6, 156] 1 x [5, 155] 1 x [1, 4] 1 x [3, 158] 1 x [2, 159] 1 x [163, 164] 1 x [157, 161] 1 x [153, 154] 1 x [8, 154] 1 x [142, 143] 1 x [10, 143] 1 x [140, 141] 1 x [137, 140] 1 x [136, 139] 1 x [17, 136] 1 x [130, 132] 1 x [129, 130] 1 x [127, 128] 1 x [122, 128] 1 x [91, 92] 1 x [44, 92] 1 x [24, 71] 1 x [69, 70] 1 x [58, 70] 1 x [31, 66] 1 x [24, 65] 1 x [23, 64] 1 x [31, 56] 1 x [24, 53] 1 x [23, 50]