Build (method = -2) #dp: 1799 Step-3' Graph: 61 vertices and 213 arcs (0.01s) Step-4' Graph: 31 vertices and 153 arcs (0.01s) #V4/#V3 = 0.51 #A4/#A3 = 0.72 Ready! (0.01s) Optimize a model with 99 rows, 154 columns and 405 nonzeros Presolve removed 47 rows and 47 columns Presolve time: 0.00s Presolved: 52 rows, 107 columns, 266 nonzeros Variable types: 0 continuous, 107 integer (6 binary) Found heuristic solution: objective 187.0000000 Found heuristic solution: objective 173.0000000 Found heuristic solution: objective 120.0000000 Optimize a model with 52 rows, 107 columns and 266 nonzeros Presolved: 52 rows, 107 columns, 266 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.010e+02 Factor NZ : 6.010e+02 Factor Ops : 9.023e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.32279126e+03 -1.62530205e+03 7.72e+02 0.00e+00 5.63e+01 0s 1 6.17898567e+02 -5.37412586e+02 7.19e+01 6.11e-16 7.22e+00 0s 2 1.86597668e+02 1.29792746e+01 2.62e+00 1.55e-15 7.75e-01 0s 3 1.41001298e+02 1.03074526e+02 3.15e-02 4.44e-16 1.60e-01 0s 4 1.20825880e+02 1.13621886e+02 5.32e-03 3.33e-16 3.04e-02 0s 5 1.20132580e+02 1.16953682e+02 2.33e-03 3.33e-16 1.34e-02 0s 6 1.18519793e+02 1.18338673e+02 1.35e-04 3.33e-16 7.64e-04 0s 7 1.18500024e+02 1.18499982e+02 5.39e-09 5.55e-16 1.80e-07 0s 8 1.18500000e+02 1.18500000e+02 1.15e-13 4.44e-16 1.80e-10 0s Barrier solved model in 8 iterations and 0.00 seconds Optimal objective 1.18500000e+02 Root relaxation: objective 1.185000e+02, 40 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 118.50000 0 2 120.00000 118.50000 1.25% - 0s H 0 0 119.0000000 118.50000 0.42% - 0s Explored 0 nodes (40 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.190000000000e+02, best bound 1.190000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.01 seconds Total run time: 0.02 seconds Objective: 119 Solution: 1 x [68] 3 x [67] 2 x [66] 1 x [65] 4 x [64] 3 x [63] 3 x [62] 8 x [61] 3 x [60] 2 x [59] 2 x [58] 3 x [1, 57] 5 x [56] 2 x [2, 55] 2 x [5, 54] 1 x [4, 54] 3 x [3, 54] 1 x [1, 54] 1 x [6, 53] 2 x [7, 52] 3 x [7, 51] 4 x [8, 50] 2 x [10, 49] 4 x [12, 48] 4 x [11, 47] 3 x [14, 46] 1 x [11, 46] 3 x [13, 45] 2 x [16, 44] 2 x [8, 43] 2 x [18, 42] 1 x [18, 41] 1 x [17, 41] 2 x [20, 40] 4 x [20, 39] 3 x [19, 38] 5 x [21, 37] 2 x [22, 36] 1 x [21, 36] 4 x [17, 35] 1 x [25, 34] 1 x [24, 34] 1 x [15, 34] 1 x [26, 33] 2 x [27, 32] 1 x [26, 31] 2 x [28, 30] 1 x [26, 29] 1 x [27] 1 x [23, 25] 1 x [9, 25] 1 x [6, 6]