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 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.001128/0.001128, allocations: 76.5 kB / 19.93 MB, free: 4.629 MB / 18.57 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.000828/0.000828, allocations: 173.9 kB / 23.21 MB, free: 1.352 MB / 18.57 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 0.9117/0.9117, allocations: 177.1 MB / 203.5 MB, free: 5.734 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 0.5768/0.5768, allocations: 114 MB / 373.9 MB, free: 8.723 MB / 346.7 MB
"
[Timeout remaining time 179]
Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo)
Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo)
Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo)
Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 2.144e-06/2.144e-06, allocations: 0 / 0.5543 GB, free: 2.664 MB / 0.5105 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 2.403e-05/2.617e-05, allocations: 2.281 kB / 0.5543 GB, free: 2.66 MB / 0.5105 GB
Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01653/0.01655, allocations: 17.5 MB / 0.5714 GB, free: 1.094 MB / 0.5261 GB
Notification: Performance of NFInst.instExpressions: time 0.008255/0.02481, allocations: 6.663 MB / 0.5779 GB, free: 10.41 MB / 0.5417 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0007022/0.02551, allocations: 63.75 kB / 0.578 GB, free: 10.35 MB / 0.5417 GB
Notification: Performance of NFTyping.typeComponents: time 0.001832/0.02734, allocations: 1.48 MB / 0.5794 GB, free: 8.867 MB / 0.5417 GB
Notification: Performance of NFTyping.typeBindings: time 0.001716/0.02906, allocations: 1.496 MB / 0.5809 GB, free: 7.363 MB / 0.5417 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001695/0.03075, allocations: 1.278 MB / 0.5821 GB, free: 6.082 MB / 0.5417 GB
Notification: Performance of NFFlatten.flatten: time 0.003164/0.03392, allocations: 5.553 MB / 0.5875 GB, free: 0.5156 MB / 0.5417 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.002728/0.03664, allocations: 3.39 MB / 0.5909 GB, free: 13.03 MB / 0.5573 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002662/0.03931, allocations: 3.329 MB / 0.5941 GB, free: 9.695 MB / 0.5573 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003592/0.0429, allocations: 2.88 MB / 0.5969 GB, free: 6.809 MB / 0.5573 GB
Notification: Performance of NFPackage.collectConstants: time 0.001272/0.04417, allocations: 0.5195 MB / 0.5974 GB, free: 6.289 MB / 0.5573 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002168/0.04634, allocations: 1.221 MB / 0.5986 GB, free: 5.066 MB / 0.5573 GB
Notification: Performance of NFScalarize.scalarize: time 0.002293/0.04863, allocations: 2.405 MB / 0.601 GB, free: 2.656 MB / 0.5573 GB
Notification: Performance of NFVerifyModel.verify: time 0.002184/0.05082, allocations: 1.556 MB / 0.6025 GB, free: 1.098 MB / 0.5573 GB
Notification: Performance of NFConvertDAE.convert: time 0.005646/0.05646, allocations: 7.987 MB / 0.6103 GB, free: 9.09 MB / 0.573 GB
Notification: Performance of FrontEnd - DAE generated: time 3.267e-06/0.05647, allocations: 0 / 0.6103 GB, free: 9.09 MB / 0.573 GB
Notification: Performance of FrontEnd: time 1.924e-06/0.05647, allocations: 0 / 0.6103 GB, free: 9.09 MB / 0.573 GB
Notification: Performance of Transformations before backend: time 0.0001667/0.05663, allocations: 0 / 0.6103 GB, free: 9.09 MB / 0.573 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 0.005662/0.0623, allocations: 3.801 MB / 0.614 GB, free: 5.242 MB / 0.573 GB
Notification: Performance of prepare preOptimizeDAE: time 4.726e-05/0.06234, allocations: 12.03 kB / 0.614 GB, free: 5.23 MB / 0.573 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0005129/0.06286, allocations: 0.5465 MB / 0.6145 GB, free: 4.676 MB / 0.573 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006246/0.0691, allocations: 2.44 MB / 0.6169 GB, free: 2.23 MB / 0.573 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.002649/0.07175, allocations: 2.169 MB / 0.619 GB, free: 28 kB / 0.573 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001462/0.0719, allocations: 275.5 kB / 0.6193 GB, free: 15.75 MB / 0.5886 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004248/0.07232, allocations: 348.3 kB / 0.6196 GB, free: 15.41 MB / 0.5886 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.00827/0.08059, allocations: 7.242 MB / 0.6267 GB, free: 8.055 MB / 0.5886 GB
Notification: Performance of preOpt findStateOrder (simulation): time 5.265e-05/0.08064, allocations: 7.891 kB / 0.6267 GB, free: 8.047 MB / 0.5886 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003132/0.08096, allocations: 144 kB / 0.6269 GB, free: 7.906 MB / 0.5886 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003052/0.08126, allocations: 338.1 kB / 0.6272 GB, free: 7.574 MB / 0.5886 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.009143/0.09041, allocations: 7.032 MB / 0.634 GB, free: 0.5312 MB / 0.5886 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 0.02311/0.1135, allocations: 18.5 MB / 0.6521 GB, free: 13.44 MB / 0.6198 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.004952/0.1185, allocations: 3.726 MB / 0.6557 GB, free: 9.699 MB / 0.6198 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003388/0.1219, allocations: 2.522 MB / 0.6582 GB, free: 7.156 MB / 0.6198 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000153/0.122, allocations: 49.97 kB / 0.6583 GB, free: 7.105 MB / 0.6198 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.463e-05/0.122, allocations: 60.5 kB / 0.6583 GB, free: 7.039 MB / 0.6198 GB
Notification: Performance of pre-optimization done (n=208): time 4.008e-06/0.122, allocations: 0 / 0.6583 GB, free: 7.039 MB / 0.6198 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 0.3071/0.4292, allocations: 30.8 MB / 0.6884 GB, free: 150.5 MB / 0.6355 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 6.069e-05/0.4292, allocations: 244.6 kB / 0.6886 GB, free: 150.2 MB / 0.6355 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00135/0.4306, allocations: 1.521 MB / 0.6901 GB, free: 149.7 MB / 0.6355 GB
Notification: Performance of collectPreVariables (initialization): time 0.0003814/0.431, allocations: 71.06 kB / 0.6902 GB, free: 149.6 MB / 0.6355 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0004707/0.4314, allocations: 1.544 MB / 0.6917 GB, free: 148.7 MB / 0.6355 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0005246/0.4319, allocations: 0.9488 MB / 0.6926 GB, free: 148.1 MB / 0.6355 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006975/0.4326, allocations: 0.6313 MB / 0.6932 GB, free: 147.8 MB / 0.6355 GB
Notification: Performance of setup shared object (initialization): time 3.161e-05/0.4327, allocations: 305.1 kB / 0.6935 GB, free: 147.5 MB / 0.6355 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.003209/0.4359, allocations: 2.695 MB / 0.6962 GB, free: 146.7 MB / 0.6355 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.003445/0.4393, allocations: 3.637 MB / 0.6997 GB, free: 144.7 MB / 0.6355 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006532/0.4459, allocations: 6.403 MB / 0.706 GB, free: 141.7 MB / 0.6355 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.943e-05/0.4459, allocations: 7.906 kB / 0.706 GB, free: 141.7 MB / 0.6355 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 0.01641/0.4623, allocations: 10.8 MB / 0.7165 GB, free: 138.7 MB / 0.6355 GB
Notification: Performance of prepare postOptimizeDAE: time 3.686e-05/0.4623, allocations: 16.34 kB / 0.7165 GB, free: 138.7 MB / 0.6355 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.247e-05/0.4624, allocations: 30.44 kB / 0.7166 GB, free: 138.7 MB / 0.6355 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01138/0.4738, allocations: 5.536 MB / 0.722 GB, free: 138 MB / 0.6355 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002508/0.4763, allocations: 0.9945 MB / 0.7229 GB, free: 138 MB / 0.6355 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02403/0.5003, allocations: 27.48 MB / 0.7498 GB, free: 121.2 MB / 0.6355 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002832/0.5031, allocations: 0.578 MB / 0.7503 GB, free: 120.9 MB / 0.6355 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000249/0.5034, allocations: 150 kB / 0.7505 GB, free: 120.9 MB / 0.6355 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.004437/0.5078, allocations: 3.982 MB / 0.7544 GB, free: 117.9 MB / 0.6355 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.003223/0.511, allocations: 3.611 MB / 0.7579 GB, free: 113.9 MB / 0.6355 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.04207/0.5531, allocations: 24.46 MB / 0.7818 GB, free: 88.96 MB / 0.6355 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.758e-05/0.5531, allocations: 8 kB / 0.7818 GB, free: 88.95 MB / 0.6355 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 0.01446/0.5676, allocations: 10.18 MB / 0.7917 GB, free: 78.71 MB / 0.6355 GB
Notification: Performance of prepare postOptimizeDAE: time 2.877e-05/0.5676, allocations: 19.94 kB / 0.7918 GB, free: 78.69 MB / 0.6355 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.281e-05/0.5677, allocations: 25.22 kB / 0.7918 GB, free: 78.67 MB / 0.6355 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.007513/0.5752, allocations: 4.325 MB / 0.796 GB, free: 74.33 MB / 0.6355 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002586/0.5778, allocations: 1.039 MB / 0.797 GB, free: 73.29 MB / 0.6355 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01856/0.5963, allocations: 26.25 MB / 0.8226 GB, free: 46.48 MB / 0.6355 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002866/0.5992, allocations: 0.5568 MB / 0.8232 GB, free: 45.93 MB / 0.6355 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002268/0.5994, allocations: 157.2 kB / 0.8233 GB, free: 45.78 MB / 0.6355 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 0.0008014/0.6002, allocations: 406.3 kB / 0.8237 GB, free: 45.38 MB / 0.6355 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003737/0.6006, allocations: 206.7 kB / 0.8239 GB, free: 45.18 MB / 0.6355 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 0.01329/0.6139, allocations: 9.935 MB / 0.8336 GB, free: 35.21 MB / 0.6355 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.003e-05/0.6139, allocations: 28 kB / 0.8337 GB, free: 35.18 MB / 0.6355 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.756e-05/0.6139, allocations: 15.94 kB / 0.8337 GB, free: 35.17 MB / 0.6355 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.697e-05/0.614, allocations: 15.95 kB / 0.8337 GB, free: 35.15 MB / 0.6355 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 0.01952/0.6335, allocations: 15.36 MB / 0.8487 GB, free: 19.7 MB / 0.6355 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.806e-05/0.6335, allocations: 4.938 kB / 0.8487 GB, free: 19.69 MB / 0.6355 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001856/0.6354, allocations: 0.741 MB / 0.8494 GB, free: 18.95 MB / 0.6355 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.009105/0.6445, allocations: 5.172 MB / 0.8545 GB, free: 13.77 MB / 0.6355 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006499/0.6451, allocations: 73.45 kB / 0.8545 GB, free: 13.7 MB / 0.6355 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02403/0.6692, allocations: 26.56 MB / 0.8805 GB, free: 2.734 MB / 0.6511 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.325e-06/0.6692, allocations: 20.03 kB / 0.8805 GB, free: 2.715 MB / 0.6511 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 0.01451/0.6837, allocations: 9.85 MB / 0.8901 GB, free: 8.652 MB / 0.6667 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001419/0.6851, allocations: 0.6547 MB / 0.8908 GB, free: 7.996 MB / 0.6667 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002391/0.6853, allocations: 67.92 kB / 0.8908 GB, free: 7.93 MB / 0.6667 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001707/0.687, allocations: 0.5031 MB / 0.8913 GB, free: 7.426 MB / 0.6667 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005975/0.6876, allocations: 242.3 kB / 0.8915 GB, free: 7.188 MB / 0.6667 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001374/0.6878, allocations: 91.95 kB / 0.8916 GB, free: 7.098 MB / 0.6667 GB
Notification: Performance of sorting global known variables: time 0.001026/0.6888, allocations: 1.001 MB / 0.8926 GB, free: 6.094 MB / 0.6667 GB
Notification: Performance of sort global known variables: time 9e-08/0.6888, allocations: 0 / 0.8926 GB, free: 6.094 MB / 0.6667 GB
Notification: Performance of remove unused functions: time 0.004161/0.693, allocations: 1.856 MB / 0.8944 GB, free: 4.238 MB / 0.6667 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)}
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 Backend phase and start with SimCode phase: time 0.01436/0.7073, allocations: 10.51 MB / 0.9047 GB, free: 9.508 MB / 0.6823 GB
Notification: Performance of simCode: created initialization part: time 0.01932/0.7266, allocations: 12.01 MB / 0.9164 GB, free: 13.39 MB / 0.698 GB
Notification: Performance of simCode: created event and clocks part: time 1.285e-05/0.7267, allocations: 4 kB / 0.9164 GB, free: 13.39 MB / 0.698 GB
Notification: Performance of simCode: created simulation system equations: time 0.006625/0.7333, allocations: 4.263 MB / 0.9206 GB, free: 9.082 MB / 0.698 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001622/0.7349, allocations: 283.3 kB / 0.9209 GB, free: 8.816 MB / 0.698 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.
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 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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_p[1] ;
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[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] ;
  -transformer.conv1.V2[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] ;
  -loadRL.load1.v[1]
]
 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 simCode: created linear, non-linear and system jacobian parts: time 0.3014/1.036, allocations: 42.18 MB / 0.962 GB, free: 224.8 MB / 0.7292 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001836/1.038, allocations: 2.29 MB / 0.9643 GB, free: 224.5 MB / 0.7292 GB
Notification: Performance of simCode: alias equations: time 0.002891/1.041, allocations: 1.654 MB / 0.9659 GB, free: 224.5 MB / 0.7292 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001068/1.042, allocations: 1.225 MB / 0.9671 GB, free: 224.5 MB / 0.7292 GB
Notification: Performance of SimCode: time 1.422e-06/1.042, allocations: 0 / 0.9671 GB, free: 224.5 MB / 0.7292 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1063/1.148, allocations: 104.4 MB / 1.069 GB, free: 166.9 MB / 0.7292 GB
Notification: Performance of buildModelFMU: Generate platform static: time 10.18/11.33, allocations: 7.484 kB / 1.069 GB, free: 166.9 MB / 0.7292 GB
"
[Timeout remaining time 649]
(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 & python3 -m fmpy simulate  --output-file IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 52.5]
[Calling os._exit(0), Time elapsed: 14.049951486289501]
Failed to read output from testmodel.py, exit status != 0:
11.454316212795675 11.461817363 11.403750589
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x77f9ed35ee40>