Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001353/0.001353, allocations: 102.6 kB / 16.29 MB, free: 5.988 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001337/0.001337, allocations: 179.2 kB / 17.22 MB, free: 5.613 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.486/1.486, 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 1.86/1.86, allocations: 292.3 MB / 0.5495 GB, free: 17.51 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 0.001489/0.001489, allocations: 71.55 kB / 0.6722 GB, free: 6.523 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2847/0.2863, allocations: 114.5 MB / 0.7841 GB, free: 3.859 MB / 0.6544 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.4938/0.7801, allocations: 18.23 MB / 0.8019 GB, free: 40.41 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.01186/0.792, allocations: 6.864 MB / 0.8086 GB, free: 35.77 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002009/0.7941, allocations: 56.97 kB / 0.8087 GB, free: 35.77 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.003822/0.7979, allocations: 1.457 MB / 0.8101 GB, free: 34.91 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.004452/0.8024, allocations: 1.41 MB / 0.8115 GB, free: 34.12 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.004177/0.8066, allocations: 1.291 MB / 0.8127 GB, free: 33.44 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.008626/0.8152, allocations: 5.469 MB / 0.8181 GB, free: 31.12 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01019/0.8255, allocations: 7.245 MB / 0.8251 GB, free: 28.5 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00484/0.8303, allocations: 2.364 MB / 0.8275 GB, free: 27.43 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006454/0.8368, allocations: 2.96 MB / 0.8303 GB, free: 26.19 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.002037/0.8389, allocations: 0.5149 MB / 0.8308 GB, free: 26.19 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004361/0.8433, allocations: 1.272 MB / 0.8321 GB, free: 25.91 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.004747/0.848, allocations: 2.244 MB / 0.8343 GB, free: 25.05 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.007/0.855, allocations: 2.193 MB / 0.8364 GB, free: 23.64 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.01514/0.8702, allocations: 7.777 MB / 0.844 GB, free: 20.66 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 1.107e-05/0.8703, allocations: 1.438 kB / 0.844 GB, free: 20.66 MB / 0.6544 GB Notification: Performance of FrontEnd: time 2.424e-06/0.8703, allocations: 0 / 0.844 GB, free: 20.66 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 0.0002771/0.8706, allocations: 3.984 kB / 0.844 GB, free: 20.66 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: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.02033/0.8909, allocations: 3.823 MB / 0.8478 GB, free: 18.1 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 5.263e-05/0.891, allocations: 9.156 kB / 0.8478 GB, free: 18.1 MB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01323/0.9042, allocations: 2.346 MB / 0.8501 GB, free: 16.98 MB / 0.6544 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006004/0.9103, allocations: 2.168 MB / 0.8522 GB, free: 15.62 MB / 0.6544 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002685/0.9105, allocations: 267.6 kB / 0.8524 GB, free: 15.5 MB / 0.6544 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001929/0.9125, allocations: 354.3 kB / 0.8528 GB, free: 15.38 MB / 0.6544 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02083/0.9333, allocations: 7.122 MB / 0.8597 GB, free: 11.32 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.054e-05/0.9335, allocations: 2.344 kB / 0.8597 GB, free: 11.32 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005495/0.934, allocations: 151.5 kB / 0.8599 GB, free: 11.2 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005302/0.9345, allocations: 338.2 kB / 0.8602 GB, free: 11.11 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01776/0.9523, allocations: 7.001 MB / 0.867 GB, free: 5.902 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 0.04366/0.996, allocations: 26.5 MB / 0.8929 GB, free: 9.215 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008866/1.005, allocations: 4.982 MB / 0.8978 GB, free: 3.922 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006091/1.011, allocations: 2.596 MB / 0.9003 GB, free: 1.309 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004679/1.012, allocations: 135 kB / 0.9004 GB, free: 1.16 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.707e-05/1.012, allocations: 60.5 kB / 0.9005 GB, free: 1.09 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=208): time 5.841e-06/1.012, allocations: 0 / 0.9005 GB, free: 1.09 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 0.1127/1.124, allocations: 30.96 MB / 0.9307 GB, free: 2.047 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001717/1.125, allocations: 235.6 kB / 0.9309 GB, free: 1.77 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003306/1.128, allocations: 1.442 MB / 0.9324 GB, free: 328 kB / 0.7169 GB Notification: Performance of collectPreVariables (initialization): time 0.0008857/1.129, allocations: 73.7 kB / 0.9324 GB, free: 248 kB / 0.7169 GB Notification: Performance of collectInitialEqns (initialization): time 0.001469/1.13, allocations: 1.497 MB / 0.9339 GB, free: 14.72 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.001844/1.132, allocations: 0.9243 MB / 0.9348 GB, free: 13.79 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002766/1.135, allocations: 0.624 MB / 0.9354 GB, free: 13.15 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.0001381/1.135, allocations: 309 kB / 0.9357 GB, free: 12.85 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.007089/1.142, allocations: 2.676 MB / 0.9383 GB, free: 10.16 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007965/1.15, allocations: 3.552 MB / 0.9418 GB, free: 6.234 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0149/1.165, allocations: 6.383 MB / 0.948 GB, free: 15.45 MB / 0.7481 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.296e-05/1.165, allocations: 8 kB / 0.948 GB, free: 15.45 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 0.0327/1.198, allocations: 10.98 MB / 0.9587 GB, free: 4.352 MB / 0.7481 GB Notification: Performance of prepare postOptimizeDAE: time 5.817e-05/1.198, allocations: 16.56 kB / 0.9588 GB, free: 4.336 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.732e-05/1.198, allocations: 32 kB / 0.9588 GB, free: 4.305 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02023/1.218, allocations: 5.462 MB / 0.9641 GB, free: 14.83 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004602/1.223, allocations: 0.9866 MB / 0.9651 GB, free: 13.84 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05153/1.275, allocations: 28.14 MB / 0.9926 GB, free: 1.238 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004763/1.279, allocations: 0.5459 MB / 0.9931 GB, free: 0.6914 MB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009619/1.28, allocations: 155.9 kB / 0.9933 GB, free: 0.5391 MB / 0.7794 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009984/1.29, allocations: 3.96 MB / 0.9971 GB, free: 12.57 MB / 0.795 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00715/1.298, allocations: 3.513 MB / 1.001 GB, free: 8.676 MB / 0.795 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0875/1.385, allocations: 24.56 MB / 1.025 GB, free: 15.61 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.586e-05/1.385, allocations: 8 kB / 1.025 GB, free: 15.61 MB / 0.8262 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 0.0296/1.415, allocations: 10.5 MB / 1.035 GB, free: 4.957 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 5.58e-05/1.415, allocations: 18.03 kB / 1.035 GB, free: 4.941 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.598e-05/1.415, allocations: 31.94 kB / 1.035 GB, free: 4.91 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01469/1.43, allocations: 4.239 MB / 1.039 GB, free: 0.6523 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004718/1.434, allocations: 1.037 MB / 1.04 GB, free: 15.61 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03924/1.474, allocations: 27.11 MB / 1.066 GB, free: 3.773 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004921/1.479, allocations: 0.5342 MB / 1.067 GB, free: 3.238 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001113/1.48, allocations: 159.9 kB / 1.067 GB, free: 3.082 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 0.001753/1.482, allocations: 393.5 kB / 1.068 GB, free: 2.691 MB / 0.8575 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00123/1.483, allocations: 201.6 kB / 1.068 GB, free: 2.492 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 0.02821/1.511, allocations: 10.16 MB / 1.078 GB, free: 8.25 MB / 0.8731 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.398e-05/1.511, allocations: 31.94 kB / 1.078 GB, free: 8.219 MB / 0.8731 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.926e-05/1.511, allocations: 12 kB / 1.078 GB, free: 8.207 MB / 0.8731 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.914e-05/1.511, allocations: 11.95 kB / 1.078 GB, free: 8.195 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 0.04236/1.554, allocations: 16.29 MB / 1.094 GB, free: 7.656 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.222e-05/1.554, allocations: 8 kB / 1.094 GB, free: 7.648 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003476/1.557, allocations: 0.73 MB / 1.094 GB, free: 6.918 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01908/1.576, allocations: 5.103 MB / 1.099 GB, free: 1.797 MB / 0.8887 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0009287/1.577, allocations: 71.95 kB / 1.099 GB, free: 1.727 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04426/1.622, allocations: 27.21 MB / 1.126 GB, free: 6.016 MB / 0.92 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.533e-05/1.622, allocations: 19.97 kB / 1.126 GB, free: 5.996 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 0.4286/2.05, allocations: 10.09 MB / 1.136 GB, free: 289 MB / 0.92 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002093/2.052, allocations: 0.7212 MB / 1.137 GB, free: 288.9 MB / 0.92 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005308/2.053, allocations: 50.16 kB / 1.137 GB, free: 288.9 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003231/2.056, allocations: 0.5051 MB / 1.137 GB, free: 288.9 MB / 0.92 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007887/2.057, allocations: 230.9 kB / 1.137 GB, free: 288.9 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002617/2.057, allocations: 88.81 kB / 1.137 GB, free: 288.9 MB / 0.92 GB Notification: Performance of sorting global known variables: time 0.001328/2.059, allocations: 0.9805 MB / 1.138 GB, free: 288.8 MB / 0.92 GB Notification: Performance of sort global known variables: time 1.21e-07/2.059, allocations: 0 / 1.138 GB, free: 288.8 MB / 0.92 GB Notification: Performance of remove unused functions: time 0.006334/2.065, allocations: 1.84 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 0.0005196/2.065, allocations: 187.2 kB / 1.14 GB, free: 288.7 MB / 0.92 GB Notification: Performance of simCode: created initialization part: time 0.02898/2.094, allocations: 12.41 MB / 1.152 GB, free: 287.7 MB / 0.92 GB Notification: Performance of simCode: created event and clocks part: time 1.948e-05/2.095, allocations: 2.688 kB / 1.152 GB, free: 287.7 MB / 0.92 GB Notification: Performance of simCode: created simulation system equations: time 0.01124/2.106, allocations: 4.415 MB / 1.157 GB, free: 286.9 MB / 0.92 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003714/2.11, allocations: 287.5 kB / 1.157 GB, free: 286.8 MB / 0.92 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02676/2.136, allocations: 9.492 MB / 1.166 GB, free: 283.6 MB / 0.92 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004514/2.141, allocations: 2.85 MB / 1.169 GB, free: 282.4 MB / 0.92 GB Notification: Performance of simCode: alias equations: time 0.005004/2.146, allocations: 1.639 MB / 1.171 GB, free: 282.4 MB / 0.92 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008109/2.147, allocations: 173.3 kB / 1.171 GB, free: 282.4 MB / 0.92 GB Notification: Performance of SimCode: time 8.62e-07/2.147, allocations: 0 / 1.171 GB, free: 282.4 MB / 0.92 GB Notification: Performance of Templates: time 0.09508/2.242, allocations: 77.71 MB / 1.247 GB, free: 225.3 MB / 0.92 GB make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -s cvode -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)