Build (method = -2) #dp: 1180 Step-3' Graph: 12 vertices and 347 arcs (0.00s) Step-4' Graph: 12 vertices and 347 arcs (0.00s) #V4/#V3 = 1.00 #A4/#A3 = 1.00 Ready! (0.00s) Optimize a model with 112 rows, 348 columns and 1028 nonzeros Presolve removed 59 rows and 94 columns Presolve time: 0.00s Presolved: 53 rows, 254 columns, 744 nonzeros Variable types: 0 continuous, 254 integer (28 binary) Found heuristic solution: objective 518.0000000 Found heuristic solution: objective 431.0000000 Optimize a model with 53 rows, 254 columns and 744 nonzeros Presolve removed 1 rows and 3 columns Presolved: 52 rows, 251 columns, 738 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 2.740e+02 Factor NZ : 7.800e+02 Factor Ops : 1.624e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.26435362e+03 -2.93512141e+03 1.16e+03 5.43e-02 3.23e+01 0s 1 7.50884358e+02 -8.46269535e+02 9.48e+01 6.66e-16 4.57e+00 0s 2 4.47028089e+02 1.04165973e+02 3.13e+00 5.55e-16 6.53e-01 0s 3 3.39406041e+02 2.73467410e+02 9.14e-03 3.33e-16 1.22e-01 0s 4 3.09072539e+02 3.01800928e+02 6.10e-04 3.33e-16 1.34e-02 0s 5 3.06778105e+02 3.05490572e+02 1.49e-04 3.33e-16 2.37e-03 0s 6 3.06034563e+02 3.05948337e+02 1.01e-05 2.22e-16 1.59e-04 0s 7 3.06000596e+02 3.05999357e+02 1.18e-07 2.22e-16 2.28e-06 0s 8 3.06000001e+02 3.05999999e+02 4.26e-12 2.31e-16 2.28e-09 0s 9 3.06000000e+02 3.06000000e+02 2.44e-12 2.22e-16 2.84e-15 0s Barrier solved model in 9 iterations and 0.00 seconds Optimal objective 3.06000000e+02 Root relaxation: objective 3.060000e+02, 94 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 306.00000 0 7 431.00000 306.00000 29.0% - 0s H 0 0 307.0000000 306.00000 0.33% - 0s H 0 0 306.0000000 306.00000 0.0% - 0s Explored 0 nodes (128 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 3.060000000000e+02, best bound 3.060000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.01 seconds Total run time: 0.02 seconds Objective: 306 Solution: 9 x [89] 7 x [78] 6 x [65] 2 x [55] 1 x [45] 8 x [35] 2 x [34] 6 x [8] 10 x [4] 9 x [98] 4 x [63, 96] 3 x [77, 95] 4 x [63, 92] 2 x [82, 85] 1 x [63, 85] 1 x [60, 71] 4 x [27, 53] 10 x [25] 5 x [13, 77] 6 x [76, 87] 2 x [64, 73] 7 x [9, 52] 2 x [9, 50] 10 x [39, 67] 2 x [6, 38] 1 x [37, 86] 3 x [37, 58] 1 x [33, 57] 10 x [26, 32] 5 x [7, 24] 6 x [19, 31] 8 x [5, 15] 9 x [1, 23] 1 x [1, 7] 3 x [54, 90] 10 x [69, 88] 4 x [59, 84] 10 x [22, 80] 2 x [54, 75] 1 x [36, 75] 2 x [16, 70] 1 x [3, 70] 7 x [36, 49] 9 x [11, 48] 1 x [3, 48] 6 x [16, 47] 5 x [44, 93] 1 x [44, 60, 66] 1 x [41, 56, 66] 1 x [12, 27, 40] 8 x [14, 81] 8 x [42, 99] 2 x [68, 91] 2 x [18, 62] 3 x [30, 46] 4 x [43, 68] 3 x [20, 30] 5 x [2, 83] 3 x [97, 100] 1 x [30, 97] 3 x [72, 94] 7 x [29, 94] 6 x [10, 79] 2 x [10, 74] 10 x [21, 61] 5 x [28, 51] 3 x [17, 30, 83]