Build (method = -2) #dp: 3418 Step-3' Graph: 112 vertices and 353 arcs (0.01s) Step-4' Graph: 29 vertices and 187 arcs (0.01s) #V4/#V3 = 0.26 #A4/#A3 = 0.53 Ready! (0.01s) Optimize a model with 109 rows, 188 columns and 511 nonzeros Presolve removed 36 rows and 42 columns Presolve time: 0.00s Presolved: 73 rows, 146 columns, 386 nonzeros Variable types: 0 continuous, 146 integer (2 binary) Found heuristic solution: objective 238.0000000 Found heuristic solution: objective 158.0000000 Optimize a model with 73 rows, 146 columns and 386 nonzeros Presolved: 73 rows, 146 columns, 386 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.430e+02 Factor NZ : 1.028e+03 Factor Ops : 2.094e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.90946972e+03 -3.81608445e+03 6.49e+02 1.11e-16 8.68e+01 0s 1 9.92462881e+02 -1.17267865e+03 1.01e+02 8.88e-16 1.41e+01 0s 2 2.03419511e+02 -2.08810302e+02 1.67e+00 2.22e-15 1.30e+00 0s 3 1.45746149e+02 4.69635565e+01 2.39e-02 1.11e-15 2.92e-01 0s 4 1.26026734e+02 1.18094398e+02 1.63e-03 2.39e-16 2.34e-02 0s 5 1.25002111e+02 1.24994469e+02 3.52e-06 3.33e-16 2.25e-05 0s 6 1.25000000e+02 1.25000000e+02 3.55e-12 5.55e-16 2.29e-11 0s Barrier solved model in 6 iterations and 0.00 seconds Optimal objective 1.25000000e+02 Root relaxation: objective 1.250000e+02, 69 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 125.0000000 125.00000 0.0% - 0s Explored 0 nodes (69 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.250000000000e+02, best bound 1.250000000000e+02, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.01 seconds Total run time: 0.03 seconds Objective: 125 Solution: 5 x [25, 80] 3 x [19, 79] 1 x [30, 78] 5 x [12, 77] 4 x [34, 76] 1 x [28, 75] 6 x [22, 75] 1 x [27, 74] 1 x [14, 73] 6 x [15, 72] 2 x [33, 71] 6 x [36, 70] 1 x [11, 70] 1 x [10, 69] 1 x [4, 68] 6 x [6, 67] 2 x [44, 66] 1 x [3, 65] 3 x [43, 64] 4 x [13, 63] 5 x [41, 62] 2 x [23, 61] 5 x [7, 60] 1 x [2, 59] 4 x [48, 58] 2 x [51, 57] 1 x [1, 56] 3 x [47, 55] 1 x [2, 54] 4 x [8, 53] 3 x [50, 52] 2 x [18, 49] 4 x [31, 46] 2 x [26, 45] 2 x [37, 42] 1 x [4, 42] 1 x [5, 41] 2 x [39, 40] 1 x [10, 40] 1 x [14, 38] 3 x [1, 35] 3 x [16, 32] 3 x [17, 29] 4 x [20, 24] 5 x [9, 21]