Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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 9.1.3-maint.9.1.x/package.mo", uses=false)
Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.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.BalancedStepUp.YD,fileNamePrefix="Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_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 0.007062/0.007062, allocations: 95.83 kB / 15.73 MB, free: 6.039 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001537/0.001537, allocations: 195.9 kB / 16.68 MB, free: 5.969 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.358/1.358, allocations: 222.9 MB / 240.4 MB, free: 4.332 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.41/2.41, allocations: 390.2 MB / 0.6648 GB, free: 232 kB / 0.5137 GB
Notification: Performance of FrontEnd - loaded program: time 0.001334/0.001334, allocations: 66.77 kB / 0.9505 GB, free: 5.914 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2669/0.2682, allocations: 140.4 MB / 1.088 GB, free: 1.953 MB / 0.8419 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02031/0.2886, allocations: 18.18 MB / 1.105 GB, free: 15.7 MB / 0.8731 GB
Notification: Performance of NFInst.instExpressions: time 0.01056/0.2992, allocations: 6.801 MB / 1.112 GB, free: 8.883 MB / 0.8731 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.00145/0.3007, allocations: 55.88 kB / 1.112 GB, free: 8.828 MB / 0.8731 GB
Notification: Performance of NFTyping.typeComponents: time 0.003576/0.3043, allocations: 1.467 MB / 1.113 GB, free: 7.359 MB / 0.8731 GB
Notification: Performance of NFTyping.typeBindings: time 0.003267/0.3076, allocations: 1.443 MB / 1.115 GB, free: 5.91 MB / 0.8731 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00286/0.3104, allocations: 1.255 MB / 1.116 GB, free: 4.652 MB / 0.8731 GB
Notification: Performance of NFFlatten.flatten: time 0.005678/0.3161, allocations: 5.441 MB / 1.121 GB, free: 15.2 MB / 0.8887 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.007275/0.3234, allocations: 7.092 MB / 1.128 GB, free: 7.996 MB / 0.8887 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003612/0.3271, allocations: 2.365 MB / 1.131 GB, free: 5.625 MB / 0.8887 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004436/0.3315, allocations: 2.949 MB / 1.134 GB, free: 2.668 MB / 0.8887 GB
Notification: Performance of NFPackage.collectConstants: time 0.0009491/0.3325, allocations: 0.5078 MB / 1.134 GB, free: 2.16 MB / 0.8887 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002368/0.3348, allocations: 1.264 MB / 1.135 GB, free: 0.8945 MB / 0.8887 GB
Notification: Performance of NFScalarize.scalarize: time 0.002097/0.337, allocations: 2.242 MB / 1.137 GB, free: 14.65 MB / 0.9044 GB
Notification: Performance of NFVerifyModel.verify: time 0.002234/0.3392, allocations: 2.179 MB / 1.14 GB, free: 12.46 MB / 0.9044 GB
Notification: Performance of NFConvertDAE.convert: time 0.008997/0.3482, allocations: 7.753 MB / 1.147 GB, free: 4.684 MB / 0.9044 GB
Notification: Performance of FrontEnd - DAE generated: time 7.805e-06/0.3482, allocations: 0 / 1.147 GB, free: 4.684 MB / 0.9044 GB
Notification: Performance of FrontEnd: time 2.455e-06/0.3483, allocations: 0 / 1.147 GB, free: 4.684 MB / 0.9044 GB
Notification: Performance of Transformations before backend: time 0.0002025/0.3485, allocations: 0 / 1.147 GB, free: 4.684 MB / 0.9044 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.00833/0.3568, allocations: 3.876 MB / 1.151 GB, free: 0.7422 MB / 0.9044 GB
Notification: Performance of prepare preOptimizeDAE: time 4.772e-05/0.3569, allocations: 8.031 kB / 1.151 GB, free: 0.7344 MB / 0.9044 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0006433/0.3575, allocations: 0.5384 MB / 1.151 GB, free: 192 kB / 0.9044 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01273/0.3702, allocations: 2.427 MB / 1.154 GB, free: 13.75 MB / 0.92 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006676/0.3769, allocations: 2.187 MB / 1.156 GB, free: 11.52 MB / 0.92 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002451/0.3772, allocations: 264.5 kB / 1.156 GB, free: 11.27 MB / 0.92 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001425/0.3787, allocations: 344 kB / 1.157 GB, free: 10.93 MB / 0.92 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01634/0.395, allocations: 7.126 MB / 1.164 GB, free: 3.703 MB / 0.92 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001106/0.3952, allocations: 11.88 kB / 1.164 GB, free: 3.691 MB / 0.92 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007939/0.396, allocations: 155.9 kB / 1.164 GB, free: 3.539 MB / 0.92 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004621/0.3964, allocations: 330 kB / 1.164 GB, free: 3.215 MB / 0.92 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01608/0.4125, allocations: 7.035 MB / 1.171 GB, free: 12.16 MB / 0.9356 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03682/0.4494, allocations: 26.45 MB / 1.197 GB, free: 15.54 MB / 0.9669 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008429/0.4579, allocations: 4.995 MB / 1.202 GB, free: 10.24 MB / 0.9669 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006135/0.464, allocations: 2.612 MB / 1.204 GB, free: 7.609 MB / 0.9669 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003139/0.4644, allocations: 135 kB / 1.204 GB, free: 7.461 MB / 0.9669 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.856e-05/0.4645, allocations: 64.5 kB / 1.204 GB, free: 7.387 MB / 0.9669 GB
Notification: Performance of pre-optimization done (n=208): time 5.04e-06/0.4645, allocations: 0 / 1.204 GB, free: 7.387 MB / 0.9669 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 0.1077/0.5722, allocations: 31.13 MB / 1.235 GB, free: 8.199 MB / 0.9981 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001234/0.5724, allocations: 239.6 kB / 1.235 GB, free: 7.918 MB / 0.9981 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002445/0.5748, allocations: 1.439 MB / 1.236 GB, free: 6.469 MB / 0.9981 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005297/0.5754, allocations: 65.7 kB / 1.236 GB, free: 6.398 MB / 0.9981 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0009521/0.5763, allocations: 1.542 MB / 1.238 GB, free: 4.84 MB / 0.9981 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001029/0.5774, allocations: 0.9644 MB / 1.239 GB, free: 3.867 MB / 0.9981 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001179/0.5786, allocations: 0.632 MB / 1.239 GB, free: 3.227 MB / 0.9981 GB
Notification: Performance of setup shared object (initialization): time 9.466e-05/0.5787, allocations: 317.1 kB / 1.24 GB, free: 2.914 MB / 0.9981 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005845/0.5845, allocations: 2.694 MB / 1.242 GB, free: 216 kB / 0.9981 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.00672/0.5913, allocations: 3.567 MB / 1.246 GB, free: 12.26 MB / 1.014 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01316/0.6045, allocations: 6.399 MB / 1.252 GB, free: 5.465 MB / 1.014 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.572e-05/0.6046, allocations: 8 kB / 1.252 GB, free: 5.457 MB / 1.014 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 0.6245/1.229, allocations: 10.99 MB / 1.263 GB, free: 153.7 MB / 1.014 GB
Notification: Performance of prepare postOptimizeDAE: time 6.011e-05/1.229, allocations: 15.88 kB / 1.263 GB, free: 153.7 MB / 1.014 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.299e-05/1.229, allocations: 30.09 kB / 1.263 GB, free: 153.7 MB / 1.014 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02306/1.252, allocations: 5.559 MB / 1.268 GB, free: 153.4 MB / 1.014 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004707/1.257, allocations: 0.9925 MB / 1.269 GB, free: 153.4 MB / 1.014 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04083/1.298, allocations: 28.21 MB / 1.297 GB, free: 139 MB / 1.014 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004814/1.303, allocations: 0.5806 MB / 1.297 GB, free: 139 MB / 1.014 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00054/1.303, allocations: 154.2 kB / 1.298 GB, free: 138.9 MB / 1.014 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00762/1.311, allocations: 3.982 MB / 1.301 GB, free: 137.2 MB / 1.014 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005615/1.317, allocations: 3.535 MB / 1.305 GB, free: 134.7 MB / 1.014 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07954/1.396, allocations: 24.63 MB / 1.329 GB, free: 117 MB / 1.014 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.275e-05/1.396, allocations: 13.8 kB / 1.329 GB, free: 117 MB / 1.014 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 0.02246/1.419, allocations: 10.54 MB / 1.339 GB, free: 106.5 MB / 1.014 GB
Notification: Performance of prepare postOptimizeDAE: time 2.834e-05/1.419, allocations: 17.25 kB / 1.339 GB, free: 106.4 MB / 1.014 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.77e-05/1.419, allocations: 28 kB / 1.339 GB, free: 106.4 MB / 1.014 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0138/1.433, allocations: 4.335 MB / 1.344 GB, free: 102.1 MB / 1.014 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004352/1.437, allocations: 1.037 MB / 1.345 GB, free: 101 MB / 1.014 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02741/1.464, allocations: 27.16 MB / 1.371 GB, free: 73.19 MB / 1.014 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004461/1.469, allocations: 0.5533 MB / 1.372 GB, free: 72.64 MB / 1.014 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004489/1.469, allocations: 152 kB / 1.372 GB, free: 72.49 MB / 1.014 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.i3[2] - line2.i2[2]
         0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[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 0.001043/1.47, allocations: 405.5 kB / 1.372 GB, free: 72.11 MB / 1.014 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005742/1.471, allocations: 202.7 kB / 1.372 GB, free: 71.91 MB / 1.014 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 0.02336/1.494, allocations: 10.16 MB / 1.382 GB, free: 61.68 MB / 1.014 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.986e-05/1.494, allocations: 31.94 kB / 1.382 GB, free: 61.64 MB / 1.014 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.759e-05/1.494, allocations: 12 kB / 1.382 GB, free: 61.63 MB / 1.014 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.947e-05/1.494, allocations: 15.95 kB / 1.382 GB, free: 61.62 MB / 1.014 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 0.03116/1.526, allocations: 16.31 MB / 1.398 GB, free: 45.14 MB / 1.014 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.954e-05/1.526, allocations: 8 kB / 1.398 GB, free: 45.13 MB / 1.014 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003243/1.529, allocations: 0.7418 MB / 1.399 GB, free: 44.39 MB / 1.014 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01683/1.546, allocations: 5.181 MB / 1.404 GB, free: 39.19 MB / 1.014 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005096/1.546, allocations: 75.95 kB / 1.404 GB, free: 39.11 MB / 1.014 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03202/1.578, allocations: 27.24 MB / 1.431 GB, free: 11.39 MB / 1.014 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.274e-06/1.578, allocations: 11.94 kB / 1.431 GB, free: 11.38 MB / 1.014 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 0.02301/1.601, allocations: 10.13 MB / 1.441 GB, free: 1.008 MB / 1.014 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002057/1.604, allocations: 0.7319 MB / 1.441 GB, free: 264 kB / 1.014 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004942/1.604, allocations: 55.95 kB / 1.441 GB, free: 208 kB / 1.014 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003532/1.608, allocations: 0.5148 MB / 1.442 GB, free: 15.69 MB / 1.029 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007501/1.608, allocations: 230.3 kB / 1.442 GB, free: 15.46 MB / 1.029 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002316/1.609, allocations: 87.95 kB / 1.442 GB, free: 15.38 MB / 1.029 GB
Notification: Performance of sorting global known variables: time 0.001383/1.61, allocations: 0.9723 MB / 1.443 GB, free: 14.4 MB / 1.029 GB
Notification: Performance of sort global known variables: time 1.3e-07/1.61, allocations: 0 / 1.443 GB, free: 14.4 MB / 1.029 GB
Notification: Performance of remove unused functions: time 0.005886/1.616, allocations: 1.853 MB / 1.445 GB, free: 12.55 MB / 1.029 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 0.02577/1.642, allocations: 10.8 MB / 1.456 GB, free: 1.492 MB / 1.029 GB
Notification: Performance of simCode: created initialization part: time 0.02976/1.671, allocations: 12.47 MB / 1.468 GB, free: 4.918 MB / 1.045 GB
Notification: Performance of simCode: created event and clocks part: time 9.959e-06/1.671, allocations: 0 / 1.468 GB, free: 4.918 MB / 1.045 GB
Notification: Performance of simCode: created simulation system equations: time 0.01066/1.682, allocations: 4.401 MB / 1.472 GB, free: 488 kB / 1.045 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00218/1.684, allocations: 276.8 kB / 1.472 GB, free: 220 kB / 1.045 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 simCode: created linear, non-linear and system jacobian parts: time 0.09629/1.781, allocations: 42.27 MB / 1.514 GB, free: 4.664 MB / 1.092 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003434/1.784, allocations: 2.84 MB / 1.516 GB, free: 1.789 MB / 1.092 GB
Notification: Performance of simCode: alias equations: time 0.004368/1.789, allocations: 1.649 MB / 1.518 GB, free: 140 kB / 1.092 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001977/1.791, allocations: 1.216 MB / 1.519 GB, free: 14.96 MB / 1.107 GB
Notification: Performance of SimCode: time 6.62e-07/1.791, allocations: 0 / 1.519 GB, free: 14.96 MB / 1.107 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.162/1.953, allocations: 102.6 MB / 1.619 GB, free: 8.809 MB / 1.201 GB
Notification: Performance of buildModelFMU: Generate platform static: time 15.95/17.9, allocations: 7.438 kB / 1.619 GB, free: 8.805 MB / 1.201 GB
(rm -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & python3 -m fmpy simulate  --output-file Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD.fmu > Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)