>D:\glpk\gusek\glpsol.exe --cover --clique --gomory --mir -m "_lt_lotsizing.mod" GLPSOL: GLPK LP/MIP Solver, v4.65 Parameter(s) specified in the command line: --cover --clique --gomory --mir -m _lt_lotsizing.mod Reading model section from _lt_lotsizing.mod... Reading data section from _lt_lotsizing.mod... 63 lines were read Generating totalcost... Generating y_0... Generating balance... Generating u_cap1... Generating u_cap2... Generating u_cap3... Generating y_T... Model has been successfully generated GLPK Integer Optimizer, v4.65 47 rows, 78 columns, 200 non-zeros 33 integer variables, all of which are binary Preprocessing... 6 constraint coefficient(s) were reduced 44 rows, 76 columns, 119 non-zeros 33 integer variables, all of which are binary Scaling... A: min|aij| = 1.000e+00 max|aij| = 2.810e+03 ratio = 2.810e+03 GM: min|aij| = 1.000e+00 max|aij| = 1.000e+00 ratio = 1.000e+00 EQ: min|aij| = 1.000e+00 max|aij| = 1.000e+00 ratio = 1.000e+00 2N: min|aij| = 6.860e-01 max|aij| = 1.000e+00 ratio = 1.458e+00 Constructing initial basis... Size of triangular part is 44 Solving LP relaxation... GLPK Simplex Optimizer, v4.65 44 rows, 76 columns, 119 non-zeros 0: obj = 3.755150000e+03 inf = 4.860e+03 (10) 33: obj = 3.081810841e+04 inf = 5.684e-14 (0) * 49: obj = 1.825854436e+04 inf = 0.000e+00 (0) OPTIMAL LP SOLUTION FOUND Integer optimization begins... Long-step dual simplex will be used Gomory's cuts enabled MIR cuts enabled Cover cuts enabled No 0-1 knapsack inequalities detected Clique cuts enabled Constructing conflict graph... No conflicts found + 49: mip = not found yet >= -inf (1; 0) Cuts on level 0: gmi = 1; mir = 36; + 92: >>>>> 1.834450000e+04 >= 1.834450000e+04 0.0% (1; 0) + 92: mip = 1.834450000e+04 >= tree is empty 0.0% (0; 1) INTEGER OPTIMAL SOLUTION FOUND Time used: 0.0 secs Memory used: 0.3 Mb (317779 bytes) //Input data for Online Solver at https://www.lutanho.net/plt/lotsize_mcm.html //I u_0 y_0 y_I 11; 0; 725; 0; startup x_min fix var x_max fix var x_max fix var x_max demand y_min fix var y_max 0; 0, 291600,62,970,597300,62,1950,887600,62,2810; 498; 0, 0, 5, 9999; 0; 0, 308600,94,970,602700,94,1950,914500,94,2810; 528; 0, 0, 5, 9999; 0; 0, 312400,69,970,603100,69,1950,881800,69,2810; 570; 0, 0, 5, 9999; 0; 0, 294200,81,970,615900,81,1950,911400,81,2810; 413; 0, 0, 5, 9999; 0; 0, 314700,83,970,585500,83,1950,882700,83,2810; 513; 0, 0, 5, 9999; 0; 0, 293600,65,970,585900,65,1950,907600,65,2810; 514; 0, 0, 5, 9999; 0; 0, 290000,62,970,600200,62,1950,897700,62,2810; 499; 0, 0, 5, 9999; 0; 0, 312600,77,970,600700,77,1950,895600,77,2810; 491; 0, 0, 5, 9999; 0; 0, 306900,99,970,596200,99,1950,918500,99,2810; 567; 0, 0, 5, 9999; 0; 0, 304000,74,970,588800,74,1950,909000,74,2810; 506; 0, 0, 5, 9999; 0; 0, 290600,72,970,590300,72,1950,895500,72,2810; 486; 0, 0, 5, 9999; --------------------------------------------------------- Total Cost: 18344.5 Model has been successfully processed >Exit code: 0 Time: 0.518