Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/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.UnbalancedStepDown.YD,fileNamePrefix="Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_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 0.007779/0.007779, allocations: 96.2 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 0.001904/0.001905, allocations: 198.2 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 1.346/1.346, allocations: 222.9 MB / 240.4 MB, free: 4.301 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 2.38/2.38, allocations: 390.2 MB / 0.6648 GB, free: 184 kB / 0.5137 GB
Notification: Performance of FrontEnd - loaded program: time 0.001267/0.001267, allocations: 66.95 kB / 0.9505 GB, free: 5.906 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2524/0.2536, allocations: 140.4 MB / 1.088 GB, free: 1.891 MB / 0.8419 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02088/0.2746, allocations: 18.26 MB / 1.105 GB, free: 15.57 MB / 0.8731 GB
Notification: Performance of NFInst.instExpressions: time 0.01076/0.2854, allocations: 6.82 MB / 1.112 GB, free: 8.727 MB / 0.8731 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001406/0.2868, allocations: 55.88 kB / 1.112 GB, free: 8.672 MB / 0.8731 GB
Notification: Performance of NFTyping.typeComponents: time 0.003675/0.2905, allocations: 1.472 MB / 1.114 GB, free: 7.195 MB / 0.8731 GB
Notification: Performance of NFTyping.typeBindings: time 0.003477/0.294, allocations: 1.459 MB / 1.115 GB, free: 5.73 MB / 0.8731 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002969/0.297, allocations: 1.262 MB / 1.116 GB, free: 4.469 MB / 0.8731 GB
Notification: Performance of NFFlatten.flatten: time 0.005598/0.3026, allocations: 5.469 MB / 1.122 GB, free: 14.99 MB / 0.8887 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.007561/0.3102, allocations: 7.12 MB / 1.129 GB, free: 7.758 MB / 0.8887 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003211/0.3134, allocations: 2.38 MB / 1.131 GB, free: 5.371 MB / 0.8887 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004211/0.3176, allocations: 2.972 MB / 1.134 GB, free: 2.391 MB / 0.8887 GB
Notification: Performance of NFPackage.collectConstants: time 0.001214/0.3189, allocations: 0.5156 MB / 1.134 GB, free: 1.875 MB / 0.8887 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002703/0.3216, allocations: 1.264 MB / 1.135 GB, free: 0.6094 MB / 0.8887 GB
Notification: Performance of NFScalarize.scalarize: time 0.002363/0.324, allocations: 2.25 MB / 1.138 GB, free: 14.35 MB / 0.9044 GB
Notification: Performance of NFVerifyModel.verify: time 0.002403/0.3264, allocations: 2.191 MB / 1.14 GB, free: 12.15 MB / 0.9044 GB
Notification: Performance of NFConvertDAE.convert: time 0.007485/0.3339, allocations: 7.804 MB / 1.147 GB, free: 4.328 MB / 0.9044 GB
Notification: Performance of FrontEnd - DAE generated: time 5.049e-06/0.3339, allocations: 0 / 1.147 GB, free: 4.328 MB / 0.9044 GB
Notification: Performance of FrontEnd: time 2.104e-06/0.3339, allocations: 0 / 1.147 GB, free: 4.328 MB / 0.9044 GB
Notification: Performance of Transformations before backend: time 0.0001415/0.3341, allocations: 0 / 1.147 GB, free: 4.328 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: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.007207/0.3413, allocations: 3.913 MB / 1.151 GB, free: 360 kB / 0.9044 GB
Notification: Performance of prepare preOptimizeDAE: time 3.627e-05/0.3413, allocations: 12.03 kB / 1.151 GB, free: 348 kB / 0.9044 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0006755/0.342, allocations: 0.5348 MB / 1.152 GB, free: 15.8 MB / 0.92 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01292/0.3549, allocations: 2.44 MB / 1.154 GB, free: 13.35 MB / 0.92 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005616/0.3606, allocations: 2.199 MB / 1.156 GB, free: 11.11 MB / 0.92 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002192/0.3608, allocations: 271.2 kB / 1.157 GB, free: 10.84 MB / 0.92 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008834/0.3617, allocations: 352 kB / 1.157 GB, free: 10.5 MB / 0.92 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01483/0.3765, allocations: 7.159 MB / 1.164 GB, free: 3.242 MB / 0.92 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.625e-05/0.3767, allocations: 4 kB / 1.164 GB, free: 3.238 MB / 0.92 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004917/0.3772, allocations: 148 kB / 1.164 GB, free: 3.094 MB / 0.92 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005617/0.3777, allocations: 338.1 kB / 1.164 GB, free: 2.762 MB / 0.92 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0162/0.3939, allocations: 7.044 MB / 1.171 GB, free: 11.7 MB / 0.9356 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 0.03463/0.4286, allocations: 26.59 MB / 1.197 GB, free: 14.93 MB / 0.9669 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008614/0.4372, allocations: 4.995 MB / 1.202 GB, free: 9.629 MB / 0.9669 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006075/0.4433, allocations: 2.62 MB / 1.205 GB, free: 6.988 MB / 0.9669 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002603/0.4436, allocations: 131 kB / 1.205 GB, free: 6.844 MB / 0.9669 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.722e-05/0.4437, allocations: 64.5 kB / 1.205 GB, free: 6.77 MB / 0.9669 GB
Notification: Performance of pre-optimization done (n=208): time 3.958e-06/0.4437, allocations: 0 / 1.205 GB, free: 6.77 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.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 0.1071/0.5508, allocations: 31.19 MB / 1.235 GB, free: 7.512 MB / 0.9981 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001277/0.5509, allocations: 235.6 kB / 1.236 GB, free: 7.234 MB / 0.9981 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002311/0.5533, allocations: 1.473 MB / 1.237 GB, free: 5.754 MB / 0.9981 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004039/0.5537, allocations: 69.7 kB / 1.237 GB, free: 5.68 MB / 0.9981 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0009556/0.5547, allocations: 1.55 MB / 1.239 GB, free: 4.113 MB / 0.9981 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001014/0.5557, allocations: 0.9644 MB / 1.239 GB, free: 3.141 MB / 0.9981 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001244/0.5569, allocations: 0.636 MB / 1.24 GB, free: 2.496 MB / 0.9981 GB
Notification: Performance of setup shared object (initialization): time 0.0001048/0.557, allocations: 305.1 kB / 1.24 GB, free: 2.195 MB / 0.9981 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005962/0.563, allocations: 2.686 MB / 1.243 GB, free: 15.5 MB / 1.014 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006537/0.5696, allocations: 3.571 MB / 1.247 GB, free: 11.55 MB / 1.014 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01258/0.5822, allocations: 6.41 MB / 1.253 GB, free: 4.742 MB / 1.014 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.441e-05/0.5822, allocations: 8 kB / 1.253 GB, free: 4.734 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.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 0.4856/1.068, allocations: 11.03 MB / 1.264 GB, free: 153.5 MB / 1.014 GB
Notification: Performance of prepare postOptimizeDAE: time 4.192e-05/1.068, allocations: 17.09 kB / 1.264 GB, free: 153.5 MB / 1.014 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.77e-05/1.068, allocations: 32.62 kB / 1.264 GB, free: 153.5 MB / 1.014 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02106/1.089, allocations: 5.534 MB / 1.269 GB, free: 153.1 MB / 1.014 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00455/1.094, allocations: 0.9942 MB / 1.27 GB, free: 153.1 MB / 1.014 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03822/1.132, allocations: 28.2 MB / 1.298 GB, free: 138.7 MB / 1.014 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004373/1.136, allocations: 0.5711 MB / 1.298 GB, free: 138.7 MB / 1.014 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003374/1.137, allocations: 156.2 kB / 1.298 GB, free: 138.7 MB / 1.014 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007232/1.144, allocations: 3.983 MB / 1.302 GB, free: 136.7 MB / 1.014 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005437/1.149, allocations: 3.535 MB / 1.306 GB, free: 134.2 MB / 1.014 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08057/1.23, allocations: 24.61 MB / 1.33 GB, free: 116.2 MB / 1.014 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.136e-05/1.23, allocations: 11.67 kB / 1.33 GB, free: 116.2 MB / 1.014 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 0.02257/1.253, allocations: 10.54 MB / 1.34 GB, free: 105.6 MB / 1.014 GB
Notification: Performance of prepare postOptimizeDAE: time 2.38e-05/1.253, allocations: 16 kB / 1.34 GB, free: 105.6 MB / 1.014 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.056e-05/1.253, allocations: 24.19 kB / 1.34 GB, free: 105.6 MB / 1.014 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01368/1.266, allocations: 4.321 MB / 1.344 GB, free: 101.2 MB / 1.014 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00417/1.27, allocations: 1.045 MB / 1.345 GB, free: 100.2 MB / 1.014 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02802/1.299, allocations: 27.15 MB / 1.372 GB, free: 72.38 MB / 1.014 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004249/1.303, allocations: 0.5535 MB / 1.372 GB, free: 71.83 MB / 1.014 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000353/1.303, allocations: 155.9 kB / 1.372 GB, free: 71.68 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.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 0.0009225/1.304, allocations: 396.2 kB / 1.373 GB, free: 71.3 MB / 1.014 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005523/1.305, allocations: 210.7 kB / 1.373 GB, free: 71.09 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.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 0.02368/1.328, allocations: 10.17 MB / 1.383 GB, free: 60.86 MB / 1.014 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.517e-05/1.328, allocations: 31.94 kB / 1.383 GB, free: 60.83 MB / 1.014 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.833e-05/1.328, allocations: 12 kB / 1.383 GB, free: 60.82 MB / 1.014 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.129e-05/1.328, allocations: 19.94 kB / 1.383 GB, free: 60.8 MB / 1.014 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 0.03071/1.359, allocations: 16.27 MB / 1.399 GB, free: 44.34 MB / 1.014 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.909e-05/1.359, allocations: 8 kB / 1.399 GB, free: 44.33 MB / 1.014 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003122/1.362, allocations: 0.7298 MB / 1.4 GB, free: 43.6 MB / 1.014 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01662/1.379, allocations: 5.181 MB / 1.405 GB, free: 38.4 MB / 1.014 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004664/1.379, allocations: 75.89 kB / 1.405 GB, free: 38.32 MB / 1.014 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03186/1.411, allocations: 27.27 MB / 1.431 GB, free: 10.59 MB / 1.014 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.125e-06/1.411, allocations: 27.94 kB / 1.431 GB, free: 10.56 MB / 1.014 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 0.02255/1.434, allocations: 10.11 MB / 1.441 GB, free: 216 kB / 1.014 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002075/1.436, allocations: 0.7299 MB / 1.442 GB, free: 15.46 MB / 1.029 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005311/1.437, allocations: 66.47 kB / 1.442 GB, free: 15.4 MB / 1.029 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003671/1.44, allocations: 0.5031 MB / 1.442 GB, free: 14.89 MB / 1.029 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007092/1.441, allocations: 230.3 kB / 1.443 GB, free: 14.67 MB / 1.029 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002391/1.441, allocations: 91.95 kB / 1.443 GB, free: 14.58 MB / 1.029 GB
Notification: Performance of sorting global known variables: time 0.001471/1.443, allocations: 1.001 MB / 1.444 GB, free: 13.57 MB / 1.029 GB
Notification: Performance of sort global known variables: time 2.6e-07/1.443, allocations: 0 / 1.444 GB, free: 13.57 MB / 1.029 GB
Notification: Performance of remove unused functions: time 0.006/1.449, allocations: 1.855 MB / 1.446 GB, free: 11.72 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 : 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 0.0259/1.475, allocations: 10.77 MB / 1.456 GB, free: 0.6875 MB / 1.029 GB
Notification: Performance of simCode: created initialization part: time 0.02926/1.504, allocations: 12.46 MB / 1.468 GB, free: 4.121 MB / 1.045 GB
Notification: Performance of simCode: created event and clocks part: time 1.338e-05/1.504, allocations: 4.25 kB / 1.468 GB, free: 4.117 MB / 1.045 GB
Notification: Performance of simCode: created simulation system equations: time 0.01082/1.515, allocations: 4.436 MB / 1.473 GB, free: 15.64 MB / 1.061 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002325/1.517, allocations: 287.4 kB / 1.473 GB, free: 15.36 MB / 1.061 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 0.09919/1.616, allocations: 42.51 MB / 1.514 GB, free: 3.566 MB / 1.092 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003499/1.62, allocations: 2.846 MB / 1.517 GB, free: 0.6836 MB / 1.092 GB
Notification: Performance of simCode: alias equations: time 0.004681/1.625, allocations: 1.657 MB / 1.519 GB, free: 15.02 MB / 1.107 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001866/1.626, allocations: 1.225 MB / 1.52 GB, free: 13.8 MB / 1.107 GB
Notification: Performance of SimCode: time 8.51e-07/1.627, allocations: 4 kB / 1.52 GB, free: 13.79 MB / 1.107 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1573/1.784, allocations: 103.4 MB / 1.621 GB, free: 6.801 MB / 1.201 GB
Notification: Performance of buildModelFMU: Generate platform static: time 15.76/17.55, allocations: 19.59 kB / 1.621 GB, free: 6.785 MB / 1.201 GB
(rm -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file Buildings_9_Buildings.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 Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)