Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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/Buildings 10.1.1-maint.10.0.x/package.mo", uses=false)
Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/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: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001242/0.001242, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001279/0.001279, allocations: 196.6 kB / 16.53 MB, free: 6.664 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.328/1.328, allocations: 222.9 MB / 240.2 MB, free: 4.395 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.641/2.641, allocations: 437.1 MB / 0.7104 GB, free: 5.109 MB / 0.5606 GB
Notification: Performance of FrontEnd - loaded program: time 0.001407/0.001407, allocations: 63.91 kB / 0.8694 GB, free: 4.512 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.5666/0.568, allocations: 151.6 MB / 1.017 GB, free: 2.449 MB / 0.7637 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02026/0.5883, allocations: 18.27 MB / 1.035 GB, free: 104 kB / 0.7794 GB
Notification: Performance of NFInst.instExpressions: time 0.01103/0.5993, allocations: 6.867 MB / 1.042 GB, free: 9.215 MB / 0.795 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001436/0.6008, allocations: 55.88 kB / 1.042 GB, free: 9.16 MB / 0.795 GB
Notification: Performance of NFTyping.typeComponents: time 0.003748/0.6046, allocations: 1.468 MB / 1.043 GB, free: 7.688 MB / 0.795 GB
Notification: Performance of NFTyping.typeBindings: time 0.003516/0.6081, allocations: 1.451 MB / 1.045 GB, free: 6.23 MB / 0.795 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003013/0.6112, allocations: 1.267 MB / 1.046 GB, free: 4.965 MB / 0.795 GB
Notification: Performance of NFFlatten.flatten: time 0.005627/0.6168, allocations: 5.468 MB / 1.051 GB, free: 15.48 MB / 0.8106 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.008347/0.6252, allocations: 7.239 MB / 1.059 GB, free: 8.141 MB / 0.8106 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.00337/0.6286, allocations: 2.369 MB / 1.061 GB, free: 5.766 MB / 0.8106 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004432/0.633, allocations: 2.968 MB / 1.064 GB, free: 2.789 MB / 0.8106 GB
Notification: Performance of NFPackage.collectConstants: time 0.00139/0.6344, allocations: 0.5156 MB / 1.064 GB, free: 2.273 MB / 0.8106 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003031/0.6375, allocations: 1.268 MB / 1.065 GB, free: 1.004 MB / 0.8106 GB
Notification: Performance of NFScalarize.scalarize: time 0.00292/0.6404, allocations: 2.246 MB / 1.068 GB, free: 14.75 MB / 0.8262 GB
Notification: Performance of NFVerifyModel.verify: time 0.003489/0.6439, allocations: 2.194 MB / 1.07 GB, free: 12.55 MB / 0.8262 GB
Notification: Performance of NFConvertDAE.convert: time 0.007285/0.6512, allocations: 7.728 MB / 1.077 GB, free: 4.801 MB / 0.8262 GB
Notification: Performance of FrontEnd - DAE generated: time 3.857e-06/0.6512, allocations: 0 / 1.077 GB, free: 4.801 MB / 0.8262 GB
Notification: Performance of FrontEnd: time 1.302e-06/0.6513, allocations: 4 kB / 1.077 GB, free: 4.797 MB / 0.8262 GB
Notification: Performance of Transformations before backend: time 0.0001205/0.6514, allocations: 0 / 1.077 GB, free: 4.797 MB / 0.8262 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 0.007174/0.6586, allocations: 3.824 MB / 1.081 GB, free: 0.9141 MB / 0.8262 GB
Notification: Performance of prepare preOptimizeDAE: time 4.071e-05/0.6586, allocations: 12.03 kB / 1.081 GB, free: 0.9023 MB / 0.8262 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0006893/0.6593, allocations: 0.5426 MB / 1.082 GB, free: 360 kB / 0.8262 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01299/0.6723, allocations: 2.415 MB / 1.084 GB, free: 13.93 MB / 0.8419 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004293/0.6766, allocations: 2.167 MB / 1.086 GB, free: 11.72 MB / 0.8419 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001769/0.6768, allocations: 271.2 kB / 1.086 GB, free: 11.45 MB / 0.8419 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006523/0.6775, allocations: 352 kB / 1.087 GB, free: 11.11 MB / 0.8419 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01414/0.6916, allocations: 7.147 MB / 1.094 GB, free: 3.863 MB / 0.8419 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001017/0.6918, allocations: 7.938 kB / 1.094 GB, free: 3.855 MB / 0.8419 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007251/0.6925, allocations: 155.9 kB / 1.094 GB, free: 3.703 MB / 0.8419 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004674/0.693, allocations: 338.1 kB / 1.094 GB, free: 3.371 MB / 0.8419 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01629/0.7093, allocations: 7.04 MB / 1.101 GB, free: 12.31 MB / 0.8575 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0344/0.7437, allocations: 26.69 MB / 1.127 GB, free: 15.45 MB / 0.8887 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008292/0.7521, allocations: 4.988 MB / 1.132 GB, free: 10.15 MB / 0.8887 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005845/0.7579, allocations: 2.596 MB / 1.135 GB, free: 7.531 MB / 0.8887 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002627/0.7582, allocations: 131 kB / 1.135 GB, free: 7.387 MB / 0.8887 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.059e-05/0.7583, allocations: 68.45 kB / 1.135 GB, free: 7.309 MB / 0.8887 GB
Notification: Performance of pre-optimization done (n=208): time 3.987e-06/0.7583, allocations: 0 / 1.135 GB, free: 7.309 MB / 0.8887 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.conv2.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.conv2.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 0.1043/0.8626, allocations: 30.93 MB / 1.165 GB, free: 8.289 MB / 0.92 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001218/0.8628, allocations: 247.5 kB / 1.165 GB, free: 8 MB / 0.92 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002196/0.865, allocations: 1.473 MB / 1.167 GB, free: 6.52 MB / 0.92 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004208/0.8654, allocations: 69.64 kB / 1.167 GB, free: 6.445 MB / 0.92 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0008619/0.8663, allocations: 1.497 MB / 1.168 GB, free: 4.926 MB / 0.92 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001027/0.8673, allocations: 0.9203 MB / 1.169 GB, free: 3.992 MB / 0.92 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001314/0.8686, allocations: 0.6396 MB / 1.17 GB, free: 3.344 MB / 0.92 GB
Notification: Performance of setup shared object (initialization): time 8.932e-05/0.8687, allocations: 305.1 kB / 1.17 GB, free: 3.043 MB / 0.92 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005901/0.8747, allocations: 2.69 MB / 1.173 GB, free: 352 kB / 0.92 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006537/0.8812, allocations: 3.563 MB / 1.176 GB, free: 12.4 MB / 0.9356 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01251/0.8937, allocations: 6.399 MB / 1.182 GB, free: 5.605 MB / 0.9356 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.741e-05/0.8938, allocations: 8 kB / 1.182 GB, free: 5.598 MB / 0.9356 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.conv2.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.conv2.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 0.02826/0.922, allocations: 10.98 MB / 1.193 GB, free: 10.51 MB / 0.9512 GB
Notification: Performance of prepare postOptimizeDAE: time 3.676e-05/0.9221, allocations: 20 kB / 1.193 GB, free: 10.49 MB / 0.9512 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.6e-05/0.9222, allocations: 24 kB / 1.193 GB, free: 10.47 MB / 0.9512 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0199/0.9421, allocations: 5.583 MB / 1.199 GB, free: 4.867 MB / 0.9512 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004517/0.9466, allocations: 0.9945 MB / 1.2 GB, free: 3.871 MB / 0.9512 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04299/0.9896, allocations: 28.2 MB / 1.227 GB, free: 7.215 MB / 0.9825 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004563/0.9942, allocations: 0.5693 MB / 1.228 GB, free: 6.645 MB / 0.9825 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006281/0.9949, allocations: 155.9 kB / 1.228 GB, free: 6.492 MB / 0.9825 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008407/1.003, allocations: 3.976 MB / 1.232 GB, free: 2.508 MB / 0.9825 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00746/1.011, allocations: 3.532 MB / 1.235 GB, free: 14.59 MB / 0.9981 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.5738/1.585, allocations: 24.65 MB / 1.259 GB, free: 208.7 MB / 0.9981 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.676e-05/1.585, allocations: 7.812 kB / 1.259 GB, free: 208.7 MB / 0.9981 GB
Warning: The linear system: 
1 : transformer.conv1.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.conv1.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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1]
]
  =
[
  -loadRL.load1.v[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.conv2.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]
]
 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_lambda0): time 0.02505/1.61, allocations: 10.53 MB / 1.269 GB, free: 206.3 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 3.762e-05/1.61, allocations: 16.5 kB / 1.269 GB, free: 206.3 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.892e-05/1.61, allocations: 30.06 kB / 1.269 GB, free: 206.3 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01418/1.624, allocations: 4.339 MB / 1.274 GB, free: 205.6 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004297/1.628, allocations: 1.046 MB / 1.275 GB, free: 205.6 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0279/1.656, allocations: 27.15 MB / 1.301 GB, free: 186.6 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0042/1.661, allocations: 0.5544 MB / 1.302 GB, free: 186.4 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003136/1.661, allocations: 152 kB / 1.302 GB, free: 186.3 MB / 0.9981 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.i1[2]) - line2.i2[2] - line2.i3[2]
         0.0 = (-line2.i1[1]) - line2.i2[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 0.0007239/1.662, allocations: 402 kB / 1.302 GB, free: 186 MB / 0.9981 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004969/1.662, allocations: 202.7 kB / 1.303 GB, free: 186 MB / 0.9981 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 : transformer.conv2.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.conv2.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 postOpt wrapFunctionCalls (simulation): time 0.02329/1.685, allocations: 10.17 MB / 1.312 GB, free: 176.1 MB / 0.9981 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.446e-05/1.685, allocations: 27.94 kB / 1.312 GB, free: 176.1 MB / 0.9981 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.655e-05/1.685, allocations: 16 kB / 1.312 GB, free: 176.1 MB / 0.9981 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.937e-05/1.686, allocations: 11.95 kB / 1.313 GB, free: 176.1 MB / 0.9981 GB
Warning: The linear system: 
1 : 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]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : 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]
4 : transformer.conv2.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.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1] ;
  line2.v2_p[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] ;
  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.conv2.V2[1]
]
 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 0.02934/1.715, allocations: 16.34 MB / 1.328 GB, free: 159.6 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.402e-05/1.715, allocations: 8 kB / 1.328 GB, free: 159.6 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003141/1.718, allocations: 0.7379 MB / 1.329 GB, free: 158.8 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01639/1.734, allocations: 5.2 MB / 1.334 GB, free: 153.6 MB / 0.9981 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006015/1.735, allocations: 71.95 kB / 1.334 GB, free: 153.5 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03131/1.766, allocations: 27.23 MB / 1.361 GB, free: 125.8 MB / 0.9981 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.071e-06/1.766, allocations: 11.94 kB / 1.361 GB, free: 125.8 MB / 0.9981 GB
Warning: The linear system: 
1 : 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]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : 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]
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.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[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.conv2.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]
]
 might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02234/1.789, allocations: 10.14 MB / 1.371 GB, free: 115.4 MB / 0.9981 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002071/1.791, allocations: 0.7241 MB / 1.372 GB, free: 114.7 MB / 0.9981 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007161/1.792, allocations: 59.98 kB / 1.372 GB, free: 114.6 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003742/1.795, allocations: 0.5031 MB / 1.372 GB, free: 114.1 MB / 0.9981 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007476/1.796, allocations: 230.3 kB / 1.372 GB, free: 113.9 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002413/1.796, allocations: 91.95 kB / 1.372 GB, free: 113.8 MB / 0.9981 GB
Notification: Performance of sorting global known variables: time 0.001423/1.798, allocations: 1.009 MB / 1.373 GB, free: 112.8 MB / 0.9981 GB
Notification: Performance of sort global known variables: time 1.4e-07/1.798, allocations: 0 / 1.373 GB, free: 112.8 MB / 0.9981 GB
Notification: Performance of remove unused functions: time 0.006229/1.804, allocations: 1.852 MB / 1.375 GB, free: 111 MB / 0.9981 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 : 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]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : 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]
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.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[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.conv2.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]
]
 might be structurally or numerically singular for variable line2.v2_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 0.02249/1.827, allocations: 10.79 MB / 1.386 GB, free: 99.91 MB / 0.9981 GB
Notification: Performance of simCode: created initialization part: time 0.02904/1.856, allocations: 14.39 MB / 1.4 GB, free: 85.45 MB / 0.9981 GB
Notification: Performance of simCode: created event and clocks part: time 1.131e-05/1.856, allocations: 0 / 1.4 GB, free: 85.45 MB / 0.9981 GB
Notification: Performance of simCode: created simulation system equations: time 0.009247/1.865, allocations: 4.391 MB / 1.404 GB, free: 81.01 MB / 0.9981 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002588/1.868, allocations: 298.3 kB / 1.404 GB, free: 80.73 MB / 0.9981 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.conv2.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.conv2.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.conv2.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.conv2.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 0.08605/1.954, allocations: 44.16 MB / 1.447 GB, free: 34.57 MB / 0.9981 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003165/1.957, allocations: 2.846 MB / 1.45 GB, free: 31.7 MB / 0.9981 GB
Notification: Performance of simCode: alias equations: time 0.005084/1.962, allocations: 1.653 MB / 1.452 GB, free: 30.04 MB / 0.9981 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001716/1.964, allocations: 1.226 MB / 1.453 GB, free: 28.81 MB / 0.9981 GB
Notification: Performance of SimCode: time 1.203e-06/1.964, allocations: 0 / 1.453 GB, free: 28.81 MB / 0.9981 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.218/2.182, allocations: 102.1 MB / 1.553 GB, free: 7.09 MB / 1.076 GB
Notification: Performance of buildModelFMU: Generate platform static: time 12.79/14.98, allocations: 12.75 kB / 1.553 GB, free: 7.078 MB / 1.076 GB
(rm -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & python3 -m fmpy simulate  --output-file Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD.fmu > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)