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 0.001279/0.001279, allocations: 115.3 kB / 17.09 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 0.001411/0.001411, allocations: 200.2 kB / 18.03 MB, free: 5.062 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.298/1.298, allocations: 222.9 MB / 241.7 MB, free: 15.09 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7022/0.7022, allocations: 115.3 MB / 407.2 MB, free: 6.152 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001187/0.001187, allocations: 68.34 kB / 0.5585 GB, free: 32.23 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.155/0.1561, allocations: 76.19 MB / 0.6329 GB, free: 4.305 MB / 478.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02173/0.1779, allocations: 18.23 MB / 0.6507 GB, free: 2 MB / 494.1 MB Notification: Performance of NFInst.instExpressions: time 0.01174/0.1897, allocations: 6.832 MB / 0.6573 GB, free: 11.15 MB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001842/0.1916, allocations: 55.88 kB / 0.6574 GB, free: 11.09 MB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.003807/0.1954, allocations: 1.46 MB / 0.6588 GB, free: 9.629 MB / 0.4981 GB Notification: Performance of NFTyping.typeBindings: time 0.003904/0.1994, allocations: 1.432 MB / 0.6602 GB, free: 8.191 MB / 0.4981 GB Notification: Performance of NFTyping.typeClassSections: time 0.003633/0.203, allocations: 1.266 MB / 0.6614 GB, free: 6.926 MB / 0.4981 GB Notification: Performance of NFFlatten.flatten: time 0.008007/0.211, allocations: 5.46 MB / 0.6668 GB, free: 1.453 MB / 0.4981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008546/0.2196, allocations: 7.135 MB / 0.6737 GB, free: 10.21 MB / 0.5137 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003989/0.2236, allocations: 2.38 MB / 0.6761 GB, free: 7.82 MB / 0.5137 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004978/0.2286, allocations: 2.968 MB / 0.679 GB, free: 4.844 MB / 0.5137 GB Notification: Performance of NFPackage.collectConstants: time 0.001031/0.2297, allocations: 0.5117 MB / 0.6795 GB, free: 4.332 MB / 0.5137 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002805/0.2325, allocations: 1.272 MB / 0.6807 GB, free: 3.059 MB / 0.5137 GB Notification: Performance of NFScalarize.scalarize: time 0.002386/0.2349, allocations: 2.242 MB / 0.6829 GB, free: 0.8125 MB / 0.5137 GB Notification: Performance of NFVerifyModel.verify: time 0.002922/0.2379, allocations: 2.191 MB / 0.685 GB, free: 14.61 MB / 0.5294 GB Notification: Performance of NFConvertDAE.convert: time 0.008745/0.2466, allocations: 7.775 MB / 0.6926 GB, free: 6.816 MB / 0.5294 GB Notification: Performance of FrontEnd - DAE generated: time 6.162e-06/0.2466, allocations: 4 kB / 0.6926 GB, free: 6.812 MB / 0.5294 GB Notification: Performance of FrontEnd: time 2.405e-06/0.2467, allocations: 4 kB / 0.6926 GB, free: 6.809 MB / 0.5294 GB Notification: Performance of Transformations before backend: time 0.0001896/0.2469, allocations: 0 / 0.6926 GB, free: 6.809 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 0.008949/0.2558, allocations: 3.831 MB / 0.6964 GB, free: 2.918 MB / 0.5294 GB Notification: Performance of prepare preOptimizeDAE: time 4.85e-05/0.2559, allocations: 8.031 kB / 0.6964 GB, free: 2.91 MB / 0.5294 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01296/0.2688, allocations: 2.415 MB / 0.6987 GB, free: 500 kB / 0.5294 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005313/0.2742, allocations: 2.186 MB / 0.7009 GB, free: 14.25 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003076/0.2745, allocations: 271.4 kB / 0.7011 GB, free: 13.99 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001784/0.2763, allocations: 347.9 kB / 0.7015 GB, free: 13.65 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0194/0.2958, allocations: 7.159 MB / 0.7085 GB, free: 6.387 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001635/0.296, allocations: 7.938 kB / 0.7085 GB, free: 6.379 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001416/0.2974, allocations: 148 kB / 0.7086 GB, free: 6.234 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005783/0.298, allocations: 338.1 kB / 0.7089 GB, free: 5.902 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01826/0.3163, allocations: 7.048 MB / 0.7158 GB, free: 14.84 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 0.03793/0.3542, allocations: 26.55 MB / 0.7417 GB, free: 2.102 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008873/0.3631, allocations: 4.985 MB / 0.7466 GB, free: 12.82 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006279/0.3695, allocations: 2.612 MB / 0.7492 GB, free: 10.18 MB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003077/0.3698, allocations: 127 kB / 0.7493 GB, free: 10.03 MB / 0.5919 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.648e-05/0.3699, allocations: 68.48 kB / 0.7494 GB, free: 9.957 MB / 0.5919 GB Notification: Performance of pre-optimization done (n=208): time 4.92e-06/0.3699, allocations: 4 kB / 0.7494 GB, free: 9.953 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 0.4879/0.8578, allocations: 30.96 MB / 0.7796 GB, free: 110.3 MB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.712e-05/0.8579, allocations: 239.2 kB / 0.7798 GB, free: 110.1 MB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001956/0.8598, allocations: 1.474 MB / 0.7813 GB, free: 109.3 MB / 0.5919 GB Notification: Performance of collectPreVariables (initialization): time 0.0004744/0.8603, allocations: 65.55 kB / 0.7813 GB, free: 109.2 MB / 0.5919 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006085/0.8609, allocations: 1.5 MB / 0.7828 GB, free: 107.9 MB / 0.5919 GB Notification: Performance of collectInitialBindings (initialization): time 0.0007156/0.8616, allocations: 0.9185 MB / 0.7837 GB, free: 107.1 MB / 0.5919 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009319/0.8626, allocations: 0.6372 MB / 0.7843 GB, free: 106.8 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 4.309e-05/0.8626, allocations: 309.1 kB / 0.7846 GB, free: 106.5 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005004/0.8676, allocations: 2.689 MB / 0.7872 GB, free: 105.1 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005334/0.873, allocations: 3.573 MB / 0.7907 GB, free: 102.6 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01033/0.8834, allocations: 6.399 MB / 0.797 GB, free: 96.35 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.865e-05/0.8834, allocations: 4 kB / 0.797 GB, free: 96.34 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 0.02449/0.9079, allocations: 11.03 MB / 0.8077 GB, free: 85.21 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 3.547e-05/0.908, allocations: 23.75 kB / 0.8078 GB, free: 85.19 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.072e-05/0.908, allocations: 24 kB / 0.8078 GB, free: 85.17 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01721/0.9252, allocations: 5.54 MB / 0.8132 GB, free: 79.61 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004082/0.9293, allocations: 0.9913 MB / 0.8142 GB, free: 78.62 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03387/0.9632, allocations: 28.18 MB / 0.8417 GB, free: 50.04 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004686/0.968, allocations: 0.5731 MB / 0.8422 GB, free: 49.46 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004325/0.9684, allocations: 151.9 kB / 0.8424 GB, free: 49.32 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006816/0.9752, allocations: 3.98 MB / 0.8463 GB, free: 45.33 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005417/0.9807, allocations: 3.532 MB / 0.8497 GB, free: 41.42 MB / 0.5919 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07772/1.058, allocations: 24.62 MB / 0.8738 GB, free: 16.32 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.726e-05/1.058, allocations: 8 kB / 0.8738 GB, free: 16.31 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 0.02246/1.081, allocations: 10.54 MB / 0.8841 GB, free: 5.637 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 3.05e-05/1.081, allocations: 19.94 kB / 0.8841 GB, free: 5.617 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.008e-05/1.081, allocations: 24 kB / 0.8841 GB, free: 5.594 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01332/1.094, allocations: 4.319 MB / 0.8883 GB, free: 1.258 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00431/1.099, allocations: 1.044 MB / 0.8893 GB, free: 220 kB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03791/1.137, allocations: 27.12 MB / 0.9158 GB, free: 4.391 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005384/1.142, allocations: 0.5459 MB / 0.9164 GB, free: 3.844 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008617/1.143, allocations: 152 kB / 0.9165 GB, free: 3.695 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 0.001675/1.145, allocations: 402.1 kB / 0.9169 GB, free: 3.297 MB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001115/1.146, allocations: 197.7 kB / 0.9171 GB, free: 3.102 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 0.02819/1.174, allocations: 10.18 MB / 0.927 GB, free: 8.848 MB / 0.6387 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.666e-05/1.174, allocations: 15.95 kB / 0.927 GB, free: 8.832 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.198e-05/1.174, allocations: 0 / 0.927 GB, free: 8.832 MB / 0.6387 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002389/1.177, allocations: 0.7288 MB / 0.9278 GB, free: 8.082 MB / 0.6387 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009311/1.178, allocations: 51.98 kB / 0.9278 GB, free: 8.031 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004153/1.182, allocations: 0.4992 MB / 0.9283 GB, free: 7.531 MB / 0.6387 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009543/1.183, allocations: 286.8 kB / 0.9286 GB, free: 7.254 MB / 0.6387 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.02469/1.207, allocations: 9.422 MB / 0.9378 GB, free: 13.88 MB / 0.6544 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.01871/1.226, allocations: 8.89 MB / 0.9464 GB, free: 4.906 MB / 0.6544 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.005776/1.232, allocations: 2.666 MB / 0.949 GB, free: 2.242 MB / 0.6544 GB Notification: Performance of sorting global known variables: time 0.002085/1.234, allocations: 1.005 MB / 0.95 GB, free: 1.234 MB / 0.6544 GB Notification: Performance of Backend: time 6.61e-07/1.234, allocations: 0 / 0.95 GB, free: 1.234 MB / 0.6544 GB Notification: Performance of simCode: created initialization part: time 0.02777/1.262, allocations: 10.55 MB / 0.9603 GB, free: 6.637 MB / 0.67 GB Notification: Performance of SimCode: time 0.0144/1.276, allocations: 7.276 MB / 0.9674 GB, free: 15.33 MB / 0.6856 GB Notification: Performance of Templates: time 0.5116/1.788, allocations: 95.63 MB / 1.061 GB, free: 251.2 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)