Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+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(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.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 0.001448/0.001448, allocations: 116.7 kB / 17.08 MB, free: 6.012 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001612/0.001612, allocations: 195 kB / 18.02 MB, free: 5.094 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.373/1.373, allocations: 222.9 MB / 241.7 MB, free: 15.15 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7437/0.7437, allocations: 115.3 MB / 407.2 MB, free: 6.156 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001498/0.001498, allocations: 67.47 kB / 0.5584 GB, free: 32.17 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1446/0.1461, allocations: 76.18 MB / 0.6328 GB, free: 4.328 MB / 478.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02247/0.1686, allocations: 18.24 MB / 0.6506 GB, free: 2.016 MB / 494.1 MB Notification: Performance of NFInst.instExpressions: time 0.01231/0.181, allocations: 6.82 MB / 0.6573 GB, free: 11.18 MB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001935/0.1829, allocations: 55.88 kB / 0.6574 GB, free: 11.12 MB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.004444/0.1874, allocations: 1.461 MB / 0.6588 GB, free: 9.656 MB / 0.4981 GB Notification: Performance of NFTyping.typeBindings: time 0.004168/0.1916, allocations: 1.436 MB / 0.6602 GB, free: 8.215 MB / 0.4981 GB Notification: Performance of NFTyping.typeClassSections: time 0.003641/0.1953, allocations: 1.273 MB / 0.6614 GB, free: 6.941 MB / 0.4981 GB Notification: Performance of NFFlatten.flatten: time 0.006347/0.2016, allocations: 5.464 MB / 0.6668 GB, free: 1.465 MB / 0.4981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009542/0.2112, allocations: 7.124 MB / 0.6737 GB, free: 10.23 MB / 0.5137 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005641/0.2169, allocations: 2.376 MB / 0.676 GB, free: 7.848 MB / 0.5137 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006641/0.2236, allocations: 2.976 MB / 0.679 GB, free: 4.863 MB / 0.5137 GB Notification: Performance of NFPackage.collectConstants: time 0.001911/0.2255, allocations: 0.5117 MB / 0.6795 GB, free: 4.352 MB / 0.5137 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003831/0.2294, allocations: 1.264 MB / 0.6807 GB, free: 3.086 MB / 0.5137 GB Notification: Performance of NFScalarize.scalarize: time 0.003694/0.2331, allocations: 2.25 MB / 0.6829 GB, free: 0.832 MB / 0.5137 GB Notification: Performance of NFVerifyModel.verify: time 0.004933/0.2381, allocations: 2.187 MB / 0.685 GB, free: 14.64 MB / 0.5294 GB Notification: Performance of NFConvertDAE.convert: time 0.01048/0.2486, allocations: 7.779 MB / 0.6926 GB, free: 6.836 MB / 0.5294 GB Notification: Performance of FrontEnd - DAE generated: time 6.873e-06/0.2486, allocations: 4 kB / 0.6926 GB, free: 6.832 MB / 0.5294 GB Notification: Performance of FrontEnd: time 3.296e-06/0.2486, allocations: 0 / 0.6926 GB, free: 6.832 MB / 0.5294 GB Notification: Performance of Transformations before backend: time 0.0002611/0.2489, allocations: 0 / 0.6926 GB, free: 6.832 MB / 0.5294 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 0.01139/0.2603, allocations: 3.831 MB / 0.6964 GB, free: 2.941 MB / 0.5294 GB Notification: Performance of prepare preOptimizeDAE: time 4.185e-05/0.2604, allocations: 8.031 kB / 0.6964 GB, free: 2.934 MB / 0.5294 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01418/0.2745, allocations: 2.423 MB / 0.6987 GB, free: 0.5039 MB / 0.5294 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005107/0.2797, allocations: 2.182 MB / 0.7009 GB, free: 14.27 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003037/0.28, allocations: 271.5 kB / 0.7011 GB, free: 14.01 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001545/0.2816, allocations: 351.9 kB / 0.7015 GB, free: 13.66 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01846/0.3001, allocations: 7.155 MB / 0.7084 GB, free: 6.406 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001474/0.3002, allocations: 11.94 kB / 0.7085 GB, free: 6.395 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001201/0.3015, allocations: 148 kB / 0.7086 GB, free: 6.25 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005044/0.302, allocations: 330.1 kB / 0.7089 GB, free: 5.926 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01744/0.3194, allocations: 7.051 MB / 0.7158 GB, free: 14.86 MB / 0.5606 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 0.03624/0.3557, allocations: 26.55 MB / 0.7417 GB, free: 2.121 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008816/0.3646, allocations: 4.985 MB / 0.7466 GB, free: 12.84 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006148/0.3708, allocations: 2.616 MB / 0.7492 GB, free: 10.19 MB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003432/0.3711, allocations: 135 kB / 0.7493 GB, free: 10.04 MB / 0.5919 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.145e-05/0.3712, allocations: 56.56 kB / 0.7493 GB, free: 9.977 MB / 0.5919 GB Notification: Performance of pre-optimization done (n=208): time 4.749e-06/0.3712, allocations: 0 / 0.7493 GB, free: 9.977 MB / 0.5919 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 0.5058/0.877, allocations: 30.97 MB / 0.7796 GB, free: 110.5 MB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.094e-05/0.8772, allocations: 239.1 kB / 0.7798 GB, free: 110.2 MB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001995/0.8792, allocations: 1.466 MB / 0.7812 GB, free: 109.4 MB / 0.5919 GB Notification: Performance of collectPreVariables (initialization): time 0.0005363/0.8797, allocations: 69.58 kB / 0.7813 GB, free: 109.4 MB / 0.5919 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006478/0.8804, allocations: 1.502 MB / 0.7828 GB, free: 108 MB / 0.5919 GB Notification: Performance of collectInitialBindings (initialization): time 0.000879/0.8813, allocations: 0.9167 MB / 0.7837 GB, free: 107.2 MB / 0.5919 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009573/0.8822, allocations: 0.6381 MB / 0.7843 GB, free: 106.9 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 3.809e-05/0.8823, allocations: 305.1 kB / 0.7846 GB, free: 106.6 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005135/0.8874, allocations: 2.686 MB / 0.7872 GB, free: 105.2 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005584/0.893, allocations: 3.571 MB / 0.7907 GB, free: 102.7 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01106/0.9041, allocations: 6.401 MB / 0.797 GB, free: 96.54 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.002e-05/0.9042, allocations: 10.44 kB / 0.797 GB, free: 96.53 MB / 0.5919 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 0.02628/0.9305, allocations: 11.02 MB / 0.8077 GB, free: 85.39 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 4.072e-05/0.9305, allocations: 16 kB / 0.8077 GB, free: 85.38 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.652e-05/0.9306, allocations: 24 kB / 0.8078 GB, free: 85.35 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01821/0.9488, allocations: 5.544 MB / 0.8132 GB, free: 79.79 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004204/0.953, allocations: 0.9828 MB / 0.8141 GB, free: 78.8 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03534/0.9884, allocations: 28.2 MB / 0.8417 GB, free: 50.21 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004605/0.9931, allocations: 0.5654 MB / 0.8422 GB, free: 49.64 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004476/0.9935, allocations: 152 kB / 0.8424 GB, free: 49.5 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007232/1.001, allocations: 3.988 MB / 0.8463 GB, free: 45.5 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005822/1.007, allocations: 3.524 MB / 0.8497 GB, free: 41.6 MB / 0.5919 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08024/1.087, allocations: 24.62 MB / 0.8738 GB, free: 16.5 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.752e-05/1.087, allocations: 8 kB / 0.8738 GB, free: 16.49 MB / 0.5919 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 0.02329/1.11, allocations: 10.54 MB / 0.8841 GB, free: 5.816 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 3.193e-05/1.11, allocations: 19.94 kB / 0.8841 GB, free: 5.797 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.869e-05/1.11, allocations: 24.56 kB / 0.8841 GB, free: 5.773 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01398/1.124, allocations: 4.334 MB / 0.8883 GB, free: 1.426 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004366/1.129, allocations: 1.037 MB / 0.8893 GB, free: 396 kB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03655/1.165, allocations: 27.12 MB / 0.9158 GB, free: 4.574 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004891/1.17, allocations: 0.5576 MB / 0.9164 GB, free: 4.016 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000564/1.171, allocations: 159.9 kB / 0.9165 GB, free: 3.859 MB / 0.6231 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.i3[2] - line2.i1[2] 0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[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 0.00111/1.172, allocations: 395.2 kB / 0.9169 GB, free: 3.469 MB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007896/1.173, allocations: 205.5 kB / 0.9171 GB, free: 3.266 MB / 0.6231 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 0.02877/1.202, allocations: 10.17 MB / 0.927 GB, free: 9.02 MB / 0.6387 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.982e-05/1.202, allocations: 28 kB / 0.927 GB, free: 8.992 MB / 0.6387 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.273e-05/1.202, allocations: 12 kB / 0.9271 GB, free: 8.98 MB / 0.6387 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.079e-05/1.202, allocations: 15.95 kB / 0.9271 GB, free: 8.965 MB / 0.6387 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 0.04064/1.242, allocations: 16.27 MB / 0.943 GB, free: 8.523 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.459e-05/1.243, allocations: 11.94 kB / 0.943 GB, free: 8.512 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003657/1.246, allocations: 0.7339 MB / 0.9437 GB, free: 7.777 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0192/1.265, allocations: 5.173 MB / 0.9487 GB, free: 2.586 MB / 0.6544 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006667/1.266, allocations: 71.95 kB / 0.9488 GB, free: 2.516 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04314/1.309, allocations: 27.25 MB / 0.9754 GB, free: 6.781 MB / 0.6856 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.538e-06/1.309, allocations: 12.03 kB / 0.9754 GB, free: 6.77 MB / 0.6856 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 0.02694/1.336, allocations: 10.1 MB / 0.9853 GB, free: 12.43 MB / 0.7012 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002219/1.339, allocations: 0.7327 MB / 0.986 GB, free: 11.67 MB / 0.7012 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008462/1.339, allocations: 55.98 kB / 0.9861 GB, free: 11.62 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004067/1.344, allocations: 0.507 MB / 0.9866 GB, free: 11.11 MB / 0.7012 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009318/1.344, allocations: 226.4 kB / 0.9868 GB, free: 10.89 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004026/1.345, allocations: 95.95 kB / 0.9869 GB, free: 10.8 MB / 0.7012 GB Notification: Performance of sorting global known variables: time 0.001764/1.347, allocations: 0.9972 MB / 0.9878 GB, free: 9.797 MB / 0.7012 GB Notification: Performance of sort global known variables: time 1.4e-07/1.347, allocations: 0 / 0.9878 GB, free: 9.797 MB / 0.7012 GB Notification: Performance of remove unused functions: time 0.007643/1.354, allocations: 1.859 MB / 0.9897 GB, free: 7.941 MB / 0.7012 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 0.0006963/1.355, allocations: 176.5 kB / 0.9898 GB, free: 7.758 MB / 0.7012 GB Notification: Performance of simCode: created initialization part: time 0.03046/1.386, allocations: 12.46 MB / 1.002 GB, free: 11.2 MB / 0.7169 GB Notification: Performance of simCode: created event and clocks part: time 1.402e-05/1.386, allocations: 4.188 kB / 1.002 GB, free: 11.19 MB / 0.7169 GB Notification: Performance of simCode: created simulation system equations: time 0.01127/1.397, allocations: 4.414 MB / 1.006 GB, free: 6.738 MB / 0.7169 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00288/1.4, allocations: 292.7 kB / 1.007 GB, free: 6.453 MB / 0.7169 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02638/1.426, allocations: 10.06 MB / 1.016 GB, free: 12.28 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004103/1.43, allocations: 2.916 MB / 1.019 GB, free: 9.324 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001212/1.432, allocations: 207.3 kB / 1.019 GB, free: 9.121 MB / 0.7325 GB Notification: Performance of SimCode: time 9.01e-07/1.432, allocations: 4 kB / 1.019 GB, free: 9.117 MB / 0.7325 GB Notification: Performance of Templates: time 0.4094/1.841, allocations: 108.1 MB / 1.125 GB, free: 195.4 MB / 0.7481 GB make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)