Build (method = -2) #dp: 13970 Step-3' Graph: 112 vertices and 8199 arcs (0.07s) Step-4' Graph: 109 vertices and 8193 arcs (0.07s) #V4/#V3 = 0.97 #A4/#A3 = 1.00 Ready! (0.07s) Optimize a model with 359 rows, 8194 columns and 24368 nonzeros Presolve removed 89 rows and 89 columns Presolve time: 0.07s Presolved: 270 rows, 8105 columns, 23765 nonzeros Variable types: 0 continuous, 8105 integer (7893 binary) Found heuristic solution: objective 243.0000000 Optimize a model with 270 rows, 8105 columns and 23765 nonzeros Presolved: 270 rows, 8105 columns, 23765 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.158e+04 Factor NZ : 1.822e+04 (roughly 4 MBytes of memory) Factor Ops : 1.639e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.50076213e+03 -5.11580734e+04 3.19e+04 1.22e-01 1.28e+01 0s 1 2.31669256e+03 -7.31850139e+03 2.81e+03 4.44e-16 1.38e+00 0s 2 5.22217416e+02 -9.17865252e+02 3.44e+02 4.44e-16 1.95e-01 0s 3 1.65234401e+02 -1.34673833e+02 2.26e+01 4.20e-16 2.55e-02 0s 4 1.29638852e+02 3.83414332e+01 1.07e+00 3.15e-04 5.80e-03 0s 5 1.19997250e+02 6.58229467e+01 3.81e-01 3.27e-16 3.38e-03 0s 6 1.14006167e+02 7.37840160e+01 2.21e-01 1.24e-04 2.50e-03 0s 7 1.10849453e+02 8.29544585e+01 1.43e-01 2.95e-16 1.73e-03 0s 8 1.07162574e+02 9.10650384e+01 7.28e-02 2.97e-16 9.96e-04 0s 9 1.04529659e+02 9.22338103e+01 3.63e-02 3.29e-16 7.60e-04 0s 10 1.03182055e+02 9.71030253e+01 1.83e-02 2.75e-16 3.76e-04 0s 11 1.01322351e+02 9.87855506e+01 2.61e-03 3.44e-16 1.57e-04 0s 12 1.00859470e+02 9.92079534e+01 1.47e-03 2.37e-16 1.02e-04 0s 13 1.00471709e+02 9.96485032e+01 5.24e-04 2.38e-16 5.08e-05 0s 14 1.00348709e+02 9.98870476e+01 2.37e-04 8.82e-07 2.85e-05 0s 15 1.00270361e+02 1.00032970e+02 7.42e-05 2.37e-16 1.47e-05 0s 16 1.00241265e+02 1.00097924e+02 4.29e-05 2.97e-16 8.85e-06 0s 17 1.00224554e+02 1.00145817e+02 2.11e-05 3.22e-16 4.86e-06 0s 18 1.00211727e+02 1.00166951e+02 4.61e-06 2.38e-16 2.76e-06 0s 19 1.00205950e+02 1.00179267e+02 1.95e-06 1.47e-16 1.65e-06 0s 20 1.00202020e+02 1.00197478e+02 2.61e-07 2.84e-16 2.80e-07 0s 21 1.00201440e+02 1.00201207e+02 1.10e-08 2.17e-16 1.44e-08 0s 22 1.00201389e+02 1.00201389e+02 5.31e-12 2.31e-16 1.26e-12 0s Barrier solved model in 22 iterations and 0.12 seconds Optimal objective 1.00201389e+02 Root relaxation: objective 1.002014e+02, 3088 iterations, 0.15 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 100.20139 0 41 243.00000 100.20139 58.8% - 0s H 0 0 101.0000000 100.20139 0.79% - 0s Explored 0 nodes (5064 simplex iterations) in 0.53 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.010000000000e+02, best bound 1.010000000000e+02, gap 0.0% Preprocessing time: 0.10 seconds Gurobi run time: 0.53 seconds Total run time: 0.63 seconds Objective: 101 Solution: 1 x [248] 1 x [112, 115] 1 x [39, 83] 1 x [29, 66] 1 x [13, 62] 1 x [132, 231] 1 x [27, 227] 1 x [97, 135, 165] 1 x [89, 124, 139] 1 x [3, 46, 87] 1 x [10, 122] 1 x [159, 243] 1 x [25, 128, 218] 1 x [78, 105, 169] 1 x [51, 57, 111] 1 x [43, 68, 161] 1 x [22, 36, 131] 1 x [82, 164] 1 x [77, 134] 1 x [30, 55] 1 x [98, 133] 1 x [106, 162, 235] 1 x [74, 213, 220] 1 x [32, 125, 188] 1 x [4, 18, 71] 1 x [23, 91] 1 x [44, 73, 207] 1 x [79, 232] 1 x [52, 173, 222] 1 x [103, 144, 210] 1 x [88, 150, 197] 1 x [196, 223] 1 x [63, 114] 1 x [19, 56] 1 x [190, 212] 1 x [167, 179] 1 x [138, 191] 1 x [113, 200] 1 x [109, 146] 1 x [64, 121] 1 x [49, 228] 1 x [221, 225] 1 x [174, 211] 1 x [152, 163] 1 x [86, 127] 1 x [24, 38] 1 x [60, 226] 1 x [35, 176] 1 x [11, 28, 154] 1 x [53, 246] 1 x [9, 61, 244] 1 x [59, 92, 217] 1 x [141, 145, 180] 1 x [136, 202, 245] 1 x [14, 118, 214] 1 x [205, 234] 1 x [175, 187] 1 x [85, 160] 1 x [54, 129] 1 x [40, 80, 107] 1 x [208, 249] 1 x [110, 194] 1 x [102, 158] 1 x [157, 184, 233] 1 x [101, 193, 209] 1 x [15, 140, 206] 1 x [229, 238] 1 x [17, 84] 1 x [170, 242] 1 x [1, 171] 1 x [149, 192] 1 x [153, 219] 1 x [58, 166, 204] 1 x [26, 48, 95] 1 x [156, 199] 1 x [81, 100] 1 x [181, 250] 1 x [96, 224] 1 x [90, 182, 198] 1 x [33, 75, 172] 1 x [42, 240, 241] 1 x [143, 201] 1 x [72, 108] 1 x [70, 230] 1 x [8, 16, 69] 1 x [31, 155, 178] 1 x [12, 177, 216] 1 x [65, 151, 236] 1 x [21, 186, 189] 1 x [76, 119, 183] 1 x [6, 126, 185] 1 x [45, 147, 247] 1 x [99, 130, 148] 1 x [2, 34, 117] 1 x [116, 120, 168] 1 x [37, 104, 203] 1 x [5, 7, 20] 1 x [41, 50, 67] 1 x [123, 137, 237] 1 x [47, 93, 239] 1 x [94, 142, 195, 215]