Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00112/0.00112, allocations: 100.6 kB / 16.27 MB, free: 6.418 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001176/0.001176, allocations: 190.3 kB / 17.2 MB, free: 5.953 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.353/1.353, allocations: 205.1 MB / 223.1 MB, free: 12.31 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.862/1.862, allocations: 292.3 MB / 0.5495 GB, free: 17.57 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001569/0.001569, allocations: 72.47 kB / 0.6722 GB, free: 6.508 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2378/0.2393, allocations: 114.6 MB / 0.7841 GB, free: 3.836 MB / 0.6544 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.4217/0.6611, allocations: 18.14 MB / 0.8018 GB, free: 40.4 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.01147/0.6726, allocations: 6.845 MB / 0.8085 GB, free: 35.78 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00262/0.6753, allocations: 55.38 kB / 0.8085 GB, free: 35.77 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.004171/0.6795, allocations: 1.457 MB / 0.8099 GB, free: 34.91 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.004393/0.6839, allocations: 1.396 MB / 0.8113 GB, free: 34.14 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.004028/0.688, allocations: 1.286 MB / 0.8126 GB, free: 33.46 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.008988/0.697, allocations: 5.443 MB / 0.8179 GB, free: 31.17 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009556/0.7066, allocations: 7.195 MB / 0.8249 GB, free: 28.58 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00497/0.7116, allocations: 2.339 MB / 0.8272 GB, free: 27.52 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00605/0.7177, allocations: 2.951 MB / 0.8301 GB, free: 26.29 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.002296/0.72, allocations: 0.5107 MB / 0.8306 GB, free: 26.29 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004579/0.7246, allocations: 1.259 MB / 0.8318 GB, free: 26.02 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.005049/0.7297, allocations: 2.238 MB / 0.834 GB, free: 25.16 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.006142/0.7358, allocations: 2.173 MB / 0.8361 GB, free: 23.75 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.01421/0.7501, allocations: 7.679 MB / 0.8436 GB, free: 20.96 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 1.234e-05/0.7501, allocations: 4 kB / 0.8436 GB, free: 20.96 MB / 0.6544 GB Notification: Performance of FrontEnd: time 3.336e-06/0.7502, allocations: 1.156 kB / 0.8436 GB, free: 20.96 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 0.0003063/0.7505, allocations: 0 / 0.8436 GB, free: 20.96 MB / 0.6544 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01429/0.7648, allocations: 3.783 MB / 0.8473 GB, free: 18.42 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 5.748e-05/0.7648, allocations: 10.5 kB / 0.8473 GB, free: 18.42 MB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0143/0.7791, allocations: 2.33 MB / 0.8496 GB, free: 17.31 MB / 0.6544 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006618/0.7858, allocations: 2.155 MB / 0.8517 GB, free: 15.96 MB / 0.6544 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002607/0.7861, allocations: 265.3 kB / 0.8519 GB, free: 15.84 MB / 0.6544 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002063/0.7882, allocations: 348.7 kB / 0.8523 GB, free: 15.72 MB / 0.6544 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02085/0.809, allocations: 7.091 MB / 0.8592 GB, free: 11.68 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001082/0.8092, allocations: 6.469 kB / 0.8592 GB, free: 11.68 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007549/0.81, allocations: 147.6 kB / 0.8594 GB, free: 11.56 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005774/0.8105, allocations: 331.7 kB / 0.8597 GB, free: 11.47 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01855/0.8291, allocations: 6.988 MB / 0.8665 GB, free: 6.395 MB / 0.6544 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04404/0.8732, allocations: 26.54 MB / 0.8924 GB, free: 9.68 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009404/0.8826, allocations: 5 MB / 0.8973 GB, free: 4.371 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006405/0.8891, allocations: 2.597 MB / 0.8998 GB, free: 1.758 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003538/0.8895, allocations: 135 kB / 0.9 GB, free: 1.609 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.81e-05/0.8896, allocations: 64.5 kB / 0.9 GB, free: 1.535 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=208): time 3.557e-06/0.8896, allocations: 0 / 0.9 GB, free: 1.535 MB / 0.6856 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.1119/1.001, allocations: 30.9 MB / 0.9302 GB, free: 2.543 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0003182/1.002, allocations: 235.6 kB / 0.9304 GB, free: 2.266 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00282/1.005, allocations: 1.408 MB / 0.9318 GB, free: 0.8477 MB / 0.7169 GB Notification: Performance of collectPreVariables (initialization): time 0.0008383/1.006, allocations: 69.7 kB / 0.9319 GB, free: 0.7734 MB / 0.7169 GB Notification: Performance of collectInitialEqns (initialization): time 0.001317/1.007, allocations: 1.482 MB / 0.9333 GB, free: 15.27 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.00165/1.008, allocations: 0.9204 MB / 0.9342 GB, free: 14.33 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001364/1.01, allocations: 0.6318 MB / 0.9348 GB, free: 13.69 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.0001173/1.01, allocations: 301.1 kB / 0.9351 GB, free: 13.39 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006653/1.017, allocations: 2.676 MB / 0.9377 GB, free: 10.71 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007849/1.025, allocations: 3.544 MB / 0.9412 GB, free: 6.789 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0145/1.039, allocations: 6.387 MB / 0.9474 GB, free: 4 kB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.999e-05/1.039, allocations: 8.047 kB / 0.9474 GB, free: 15.99 MB / 0.7481 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.03341/1.073, allocations: 10.99 MB / 0.9582 GB, free: 4.898 MB / 0.7481 GB Notification: Performance of prepare postOptimizeDAE: time 5.673e-05/1.073, allocations: 16 kB / 0.9582 GB, free: 4.883 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.558e-05/1.073, allocations: 28.5 kB / 0.9582 GB, free: 4.855 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02211/1.095, allocations: 5.485 MB / 0.9636 GB, free: 15.36 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005045/1.1, allocations: 0.9828 MB / 0.9645 GB, free: 14.37 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05109/1.151, allocations: 28.15 MB / 0.992 GB, free: 1.766 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005222/1.156, allocations: 0.5619 MB / 0.9926 GB, free: 1.203 MB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009237/1.157, allocations: 151.9 kB / 0.9927 GB, free: 1.055 MB / 0.7794 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01107/1.168, allocations: 3.968 MB / 0.9966 GB, free: 13.08 MB / 0.795 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.008369/1.177, allocations: 3.505 MB / 1 GB, free: 9.195 MB / 0.795 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09765/1.275, allocations: 24.61 MB / 1.024 GB, free: 80 kB / 0.8106 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.583e-05/1.275, allocations: 8 kB / 1.024 GB, free: 72 kB / 0.8106 GB Warning: The linear system: 1 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v1_n[2] ; line2.v1_p[2] ; line2.v3_p[2] ; line2.v3_n[2] ] = [ -transformer.conv3.V2[2] ; line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ; -loadRL.load3.v[2] ; line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1] ] might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.03065/1.305, allocations: 10.5 MB / 1.034 GB, free: 5.438 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 7.079e-05/1.305, allocations: 16 kB / 1.034 GB, free: 5.422 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.806e-05/1.306, allocations: 24 kB / 1.034 GB, free: 5.398 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01673/1.322, allocations: 4.262 MB / 1.038 GB, free: 1.117 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005092/1.327, allocations: 1.034 MB / 1.04 GB, free: 84 kB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04019/1.368, allocations: 27.1 MB / 1.066 GB, free: 4.254 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005293/1.373, allocations: 0.5419 MB / 1.066 GB, free: 3.711 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001013/1.374, allocations: 151.9 kB / 1.067 GB, free: 3.562 MB / 0.8575 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i2[2]) - line2.i1[2] - line2.i3[2] 0.0 = (-line2.i2[1]) - line2.i1[1] - line2.i3[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.001904/1.376, allocations: 387.3 kB / 1.067 GB, free: 3.176 MB / 0.8575 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001138/1.377, allocations: 201.7 kB / 1.067 GB, free: 2.977 MB / 0.8575 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02967/1.407, allocations: 10.16 MB / 1.077 GB, free: 8.742 MB / 0.8731 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.166e-05/1.407, allocations: 28 kB / 1.077 GB, free: 8.715 MB / 0.8731 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.346e-05/1.407, allocations: 12 kB / 1.077 GB, free: 8.703 MB / 0.8731 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.044e-05/1.407, allocations: 11.95 kB / 1.077 GB, free: 8.691 MB / 0.8731 GB Warning: The linear system: 1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 2 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 3 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 4 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ] = [ -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.04352/1.451, allocations: 16.29 MB / 1.093 GB, free: 8.156 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.352e-05/1.451, allocations: 9 kB / 1.093 GB, free: 8.148 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003885/1.455, allocations: 0.741 MB / 1.094 GB, free: 7.406 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01987/1.474, allocations: 5.115 MB / 1.099 GB, free: 2.273 MB / 0.8887 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0009159/1.475, allocations: 67.95 kB / 1.099 GB, free: 2.207 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04488/1.52, allocations: 27.23 MB / 1.125 GB, free: 6.477 MB / 0.92 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.078e-05/1.52, allocations: 15.94 kB / 1.125 GB, free: 6.461 MB / 0.92 GB Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.5697/2.09, allocations: 10.08 MB / 1.135 GB, free: 289 MB / 0.92 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002299/2.092, allocations: 0.7184 MB / 1.136 GB, free: 288.9 MB / 0.92 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006911/2.093, allocations: 57.69 kB / 1.136 GB, free: 288.9 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003764/2.097, allocations: 0.4983 MB / 1.137 GB, free: 288.9 MB / 0.92 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008395/2.098, allocations: 231.1 kB / 1.137 GB, free: 288.9 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002313/2.098, allocations: 90.42 kB / 1.137 GB, free: 288.9 MB / 0.92 GB Notification: Performance of sorting global known variables: time 0.001531/2.099, allocations: 0.9506 MB / 1.138 GB, free: 288.8 MB / 0.92 GB Notification: Performance of sort global known variables: time 3.71e-07/2.099, allocations: 0 / 1.138 GB, free: 288.8 MB / 0.92 GB Notification: Performance of remove unused functions: time 0.008359/2.108, allocations: 1.828 MB / 1.14 GB, free: 288.8 MB / 0.92 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (165): * Single equations (assignments): 162 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(10,44,70.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0005899/2.108, allocations: 182.1 kB / 1.14 GB, free: 288.7 MB / 0.92 GB Notification: Performance of simCode: created initialization part: time 0.04022/2.149, allocations: 14.35 MB / 1.154 GB, free: 287.6 MB / 0.92 GB Notification: Performance of simCode: created event and clocks part: time 1.698e-05/2.149, allocations: 1.25 kB / 1.154 GB, free: 287.6 MB / 0.92 GB Notification: Performance of simCode: created simulation system equations: time 0.0128/2.162, allocations: 4.414 MB / 1.158 GB, free: 287.1 MB / 0.92 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00304/2.165, allocations: 268 kB / 1.158 GB, free: 287 MB / 0.92 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02711/2.192, allocations: 9.591 MB / 1.168 GB, free: 283.5 MB / 0.92 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.006599/2.199, allocations: 2.901 MB / 1.171 GB, free: 282.3 MB / 0.92 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001664/2.2, allocations: 213.5 kB / 1.171 GB, free: 282.3 MB / 0.92 GB Notification: Performance of SimCode: time 1.804e-06/2.2, allocations: 1.125 kB / 1.171 GB, free: 282.3 MB / 0.92 GB Notification: Performance of Templates: time 0.1155/2.316, allocations: 106.6 MB / 1.275 GB, free: 196.3 MB / 0.92 GB make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)