Build (method = -2) #dp: 19509 Step-3' Graph: 669 vertices and 4297 arcs (0.06s) Step-4' Graph: 251 vertices and 3461 arcs (0.06s) #V4/#V3 = 0.38 #A4/#A3 = 0.81 Ready! (0.06s) Optimize a model with 451 rows, 3462 columns and 9888 nonzeros Presolve removed 151 rows and 240 columns Presolve time: 0.06s Presolved: 300 rows, 3222 columns, 8664 nonzeros Variable types: 0 continuous, 3222 integer (2935 binary) Found heuristic solution: objective 183.0000000 Optimize a model with 300 rows, 3222 columns and 8664 nonzeros Presolved: 300 rows, 3222 columns, 8664 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 3.915e+03 Factor NZ : 1.263e+04 (roughly 2 MBytes of memory) Factor Ops : 8.002e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.32965079e+03 -3.36243720e+03 1.60e+04 2.86e-01 5.82e+00 0s 1 5.03231553e+02 -9.33993279e+02 2.69e+03 6.66e-16 1.06e+00 0s 2 2.06438634e+02 -2.43991355e+02 3.21e+02 5.55e-16 1.61e-01 0s 3 1.45136452e+02 6.07262356e+01 3.74e+01 3.61e-16 2.18e-02 0s 4 1.29783055e+02 9.28975303e+01 1.24e+01 7.11e-05 8.13e-03 0s 5 1.20883762e+02 1.05150548e+02 4.71e+00 2.50e-16 3.31e-03 0s 6 1.17116868e+02 1.10159949e+02 2.05e+00 2.22e-16 1.48e-03 0s 7 1.15879815e+02 1.14799236e+02 5.18e-01 3.06e-16 2.75e-04 0s 8 1.15513885e+02 1.15489762e+02 6.54e-03 2.59e-16 5.12e-06 0s 9 1.15500000e+02 1.15500000e+02 4.39e-08 4.44e-16 3.22e-11 0s 10 1.15500000e+02 1.15500000e+02 7.59e-14 4.44e-16 1.02e-14 0s Barrier solved model in 10 iterations and 0.03 seconds Optimal objective 1.15500000e+02 Root relaxation: objective 1.155000e+02, 815 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 115.50000 0 3 183.00000 115.50000 36.9% - 0s H 0 0 116.0000000 115.50000 0.43% - 0s Explored 0 nodes (1100 simplex iterations) in 0.14 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.160000000000e+02, best bound 1.160000000000e+02, gap 0.0% Preprocessing time: 0.08 seconds Gurobi run time: 0.14 seconds Total run time: 0.22 seconds Objective: 116 Solution: 1 x [181] 1 x [171] 1 x [166] 1 x [185] 1 x [16, 168] 1 x [182] 1 x [148] 1 x [170] 1 x [189] 1 x [26, 162] 1 x [11, 155] 1 x [193] 1 x [32, 167] 1 x [134] 1 x [198] 1 x [6, 195] 1 x [30, 165] 1 x [25, 177] 1 x [2, 186] 1 x [121] 1 x [40, 164] 1 x [64, 132] 1 x [29, 173] 1 x [28, 175] 1 x [163] 1 x [105] 1 x [7, 194] 1 x [33, 158] 1 x [21, 180] 1 x [31, 169] 1 x [92] 1 x [115] 1 x [55, 124] 1 x [179] 1 x [13, 188] 1 x [146] 1 x [102] 1 x [60, 122] 1 x [48, 143] 1 x [1, 90] 1 x [200] 1 x [53, 82] 1 x [5, 187] 1 x [75] 1 x [73, 120] 1 x [87] 1 x [45, 96] 1 x [141] 1 x [142] 1 x [62, 138] 1 x [197] 1 x [43, 84] 1 x [24, 174] 1 x [59, 109] 1 x [199] 1 x [46, 136] 1 x [22, 152] 1 x [161] 1 x [69, 127] 1 x [79, 125] 1 x [3, 192] 1 x [49, 133] 1 x [27, 153] 1 x [15, 190] 1 x [47, 150] 1 x [78, 117] 1 x [101, 110] 1 x [34, 135] 1 x [83, 107] 1 x [86, 112] 1 x [19, 58] 1 x [66, 100] 1 x [140] 1 x [91, 114] 1 x [119] 1 x [4, 183] 1 x [97, 98] 1 x [77, 111] 1 x [81] 1 x [8, 184] 1 x [57, 137] 1 x [76, 95] 1 x [17, 157] 1 x [20, 154] 1 x [44, 130] 1 x [37, 118] 1 x [42, 156] 1 x [54, 147] 1 x [52, 149] 1 x [14, 191] 1 x [85, 113] 1 x [41, 159] 1 x [38, 151] 1 x [39] 1 x [12, 176] 1 x [63, 139] 1 x [196] 1 x [65, 126] 1 x [61, 145] 1 x [36, 89] 1 x [71, 131] 1 x [18, 68] 1 x [99, 103] 1 x [9, 178] 1 x [93, 106] 1 x [10, 172] 1 x [80, 116] 1 x [72, 129] 1 x [50, 128] 1 x [23, 51] 1 x [56, 144] 1 x [88, 94] 1 x [35, 160] 1 x [67, 108] 1 x [70, 104] 1 x [74, 123]