Build (method = -2) #dp: 6312 Step-3' Graph: 1751 vertices and 5246 arcs (0.10s) Step-4' Graph: 134 vertices and 2012 arcs (0.11s) #V4/#V3 = 0.08 #A4/#A3 = 0.38 Ready! (0.11s) Optimize a model with 219 rows, 2013 columns and 5775 nonzeros Presolve removed 4 rows and 35 columns Presolve time: 0.02s Presolved: 215 rows, 1978 columns, 5703 nonzeros Variable types: 0 continuous, 1978 integer (0 binary) Optimize a model with 215 rows, 1978 columns and 5703 nonzeros Presolved: 215 rows, 1978 columns, 5703 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 2.969e+03 Factor NZ : 7.234e+03 Factor Ops : 3.413e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.48046201e+09 -1.22613237e+10 8.25e+10 2.22e-16 4.14e+07 0s 1 1.45334746e+09 -4.01998248e+09 1.24e+10 7.77e-16 6.68e+06 0s 2 2.19669540e+08 -1.13477934e+09 1.04e+09 2.44e-15 7.45e+05 0s 3 8.06996939e+07 -3.60443035e+08 4.08e+07 2.24e-14 1.21e+05 0s 4 5.62075475e+07 -1.35555745e+08 3.28e+06 8.77e-15 4.82e+04 0s 5 4.96544523e+07 -3.11679099e+07 2.05e+06 3.11e-15 2.03e+04 0s 6 4.37059985e+07 1.46819589e+07 5.22e+05 1.42e-15 7.23e+03 0s 7 4.19050600e+07 2.98720574e+07 1.55e+05 1.45e-15 2.99e+03 0s 8 4.06720749e+07 3.33078058e+07 1.70e+04 1.22e-15 1.83e+03 0s 9 4.03226255e+07 3.78990248e+07 5.30e+03 1.45e-15 6.01e+02 0s 10 4.01284491e+07 3.92027725e+07 1.30e+03 1.53e-15 2.29e+02 0s 11 4.00493010e+07 3.96825543e+07 1.97e+02 1.23e-15 9.09e+01 0s 12 4.00139313e+07 3.99268366e+07 2.24e+01 1.22e-15 2.16e+01 0s 13 4.00041897e+07 3.99815687e+07 5.55e+00 1.17e-15 5.61e+00 0s 14 4.00001474e+07 3.99996197e+07 1.09e-01 1.41e-15 1.31e-01 0s 15 4.00000000e+07 3.99999998e+07 7.67e-06 1.12e-09 5.36e-05 0s Barrier solved model in 15 iterations and 0.02 seconds Optimal objective 4.00000000e+07 Warning: Markowitz tolerance tightened to 0.5 Root relaxation: objective 4.000000e+07, 1920 iterations, 0.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 4.000000e+07 4.0000e+07 0.0% - 0s Explored 0 nodes (1920 simplex iterations) in 0.08 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 4.000000000000e+07, best bound 4.000000000000e+07, gap 0.0% Preprocessing time: 0.12 seconds Gurobi run time: 0.08 seconds Total run time: 0.21 seconds Objective: 40000000 Solution: 1000000 x [1, 84, 85] 1100000 x [2, 80, 85] 400000 x [2, 81, 84] 500000 x [2, 82, 83] 500000 x [3, 79, 84] 500000 x [3, 81, 82] 1400000 x [4, 75, 85] 600000 x [4, 78, 81] 200000 x [5, 71, 80] 200000 x [5, 73, 78] 600000 x [5, 75, 76] 300000 x [6, 69, 85] 700000 x [6, 71, 79] 100000 x [7, 67, 84] 900000 x [7, 71, 77] 500000 x [8, 67, 80] 500000 x [8, 72, 74] 300000 x [9, 64, 83] 300000 x [9, 66, 79] 400000 x [9, 67, 78] 200000 x [10, 61, 83] 300000 x [10, 65, 77] 500000 x [10, 68, 74] 700000 x [11, 60, 85] 300000 x [11, 64, 78] 700000 x [12, 66, 74] 300000 x [12, 69, 71] 600000 x [13, 63, 77] 400000 x [13, 68, 71] 1000000 x [14, 58, 85] 200000 x [15, 59, 80] 800000 x [15, 64, 73] 500000 x [16, 56, 78] 100000 x [16, 59, 74] 400000 x [16, 64, 69] 300000 x [17, 58, 72] 700000 x [17, 64, 65] 500000 x [18, 47, 80] 500000 x [18, 54, 71] 700000 x [19, 47, 77] 300000 x [19, 60, 62] 800000 x [20, 50, 72] 200000 x [20, 59, 61] 500000 x [21, 44, 80] 1000000 x [21, 45, 77] 500000 x [21, 55, 64] 1000000 x [22, 44, 79] 500000 x [23, 46, 70] 500000 x [23, 54, 62] 500000 x [24, 41, 81] 500000 x [24, 53, 62] 500000 x [24, 55, 59] 500000 x [24, 57, 58] 500000 x [25, 42, 77] 500000 x [25, 53, 61] 400000 x [26, 40, 76] 100000 x [26, 49, 61] 500000 x [26, 52, 59] 500000 x [27, 38, 79] 500000 x [27, 54, 56] 500000 x [28, 36, 85] 500000 x [28, 52, 57] 400000 x [29, 39, 72] 400000 x [29, 45, 63] 200000 x [29, 50, 58] 1000000 x [30, 51, 55] 100000 x [31, 39, 68] 900000 x [31, 43, 62] 500000 x [32, 36, 70] 500000 x [32, 45, 54] 200000 x [33, 35, 74] 500000 x [33, 41, 59] 300000 x [33, 47, 49] 500000 x [34, 46, 49] 500000 x [34, 47, 48] 800000 x [35, 37, 62] 100000 x [37, 40, 49] 100000 x [37, 43, 45] 500000 x [38, 39, 48] 500000 x [40, 42, 44]