Build (method = -2) #dp: 6612 Step-3' Graph: 42 vertices and 1132 arcs (0.03s) Step-4' Graph: 42 vertices and 1132 arcs (0.03s) #V4/#V3 = 1.00 #A4/#A3 = 1.00 Ready! (0.03s) Optimize a model with 142 rows, 1133 columns and 3331 nonzeros Presolve removed 51 rows and 51 columns Presolve time: 0.01s Presolved: 91 rows, 1082 columns, 3180 nonzeros Variable types: 0 continuous, 1082 integer (11 binary) Found heuristic solution: objective 1886.0000000 Found heuristic solution: objective 1588.0000000 Optimize a model with 91 rows, 1082 columns and 3180 nonzeros Presolved: 91 rows, 1082 columns, 3180 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.642e+03 Factor NZ : 2.569e+03 Factor Ops : 1.027e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.24168755e+04 -3.91698836e+04 1.44e+04 4.35e-02 2.91e+02 0s 1 6.20088601e+03 -2.18712860e+04 1.92e+03 6.66e-16 4.59e+01 0s 2 2.14897783e+03 -8.47475478e+03 1.25e+02 5.33e-15 6.37e+00 0s 3 1.64725022e+03 -1.75981107e+03 1.44e+01 1.89e-15 1.62e+00 0s 4 1.27339441e+03 5.90960238e+00 1.94e+00 8.88e-16 5.79e-01 0s 5 1.11246331e+03 6.60856371e+02 4.62e-01 2.46e-16 2.05e-01 0s 6 1.06398324e+03 9.40702413e+02 1.48e-01 2.81e-16 5.59e-02 0s 7 1.04291382e+03 1.03332972e+03 2.06e-02 3.55e-16 4.36e-03 0s 8 1.03950383e+03 1.03949291e+03 4.55e-13 4.44e-16 4.93e-06 0s 9 1.03950000e+03 1.03950000e+03 4.55e-13 3.00e-16 4.98e-12 0s Barrier solved model in 9 iterations and 0.01 seconds Optimal objective 1.03950000e+03 Root relaxation: objective 1.039500e+03, 506 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1039.50000 0 2 1588.00000 1039.50000 34.5% - 0s H 0 0 1040.0000000 1039.50000 0.05% - 0s Explored 0 nodes (636 simplex iterations) in 0.04 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.040000000000e+03, best bound 1.040000000000e+03, gap 0.0% Preprocessing time: 0.04 seconds Gurobi run time: 0.04 seconds Total run time: 0.08 seconds Objective: 1040 Solution: 4 x [88] 31 x [25, 88] 1 x [84] 2 x [64] 9 x [31, 67] 6 x [31, 33, 44] 20 x [31, 33] 6 x [68] 17 x [54] 1 x [42] 24 x [35, 42, 97] 1 x [100] 11 x [12, 100] 2 x [89] 28 x [8, 89] 23 x [82] 2 x [52] 16 x [52, 71] 14 x [20] 1 x [20, 76, 76] 6 x [20, 76, 76, 76] 4 x [3] 10 x [77] 14 x [16, 77] 3 x [61] 18 x [30] 3 x [30, 96] 1 x [30, 49, 49] 8 x [30, 49, 49, 49] 30 x [15] 31 x [10, 87] 20 x [1, 46] 3 x [1, 5] 1 x [1, 5, 63] 3 x [1, 5, 63, 63] 17 x [93] 6 x [66] 1 x [5, 66] 28 x [55, 95] 24 x [60, 81] 15 x [58] 8 x [35, 58] 3 x [48] 1 x [11, 48] 13 x [37, 48] 29 x [11, 47] 33 x [7, 23] 1 x [4] 6 x [4, 36] 13 x [4, 9] 1 x [83] 4 x [41, 83] 6 x [65] 2 x [60, 65] 1 x [13, 65] 6 x [13, 13, 65] 19 x [27] 25 x [18, 51] 8 x [2, 18] 6 x [69] 22 x [69, 80] 1 x [40] 29 x [40, 44, 45] 6 x [22] 1 x [99] 8 x [86, 99] 6 x [78] 23 x [41, 78] 1 x [78, 87] 8 x [24] 19 x [24, 94] 3 x [21] 15 x [21, 70] 2 x [11, 21] 12 x [73] 7 x [50, 70] 33 x [43, 91] 2 x [70, 91] 7 x [75] 2 x [75, 87] 12 x [67, 75] 4 x [72] 20 x [14, 72] 8 x [72, 85] 1 x [38] 1 x [19, 38] 5 x [17] 12 x [17, 79] 5 x [17, 85] 1 x [17, 29, 85] 5 x [17, 29, 29, 85] 10 x [62, 74] 5 x [28, 39] 22 x [26, 56] 8 x [26, 32] 2 x [34, 92] 26 x [6, 57] 3 x [34, 57, 98] 5 x [34, 53] 6 x [6, 59] 1 x [6, 90] 14 x [59, 90] 3 x [32, 59] 1 x [90] 1 x [32, 34] 1 x [28, 34] 1 x [34, 34]