Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.001332/0.001332, allocations: 110.3 kB / 18.94 MB, free: 2.789 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.001481/0.001481, allocations: 218.1 kB / 22.26 MB, free: 5.215 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 1.417/1.417, allocations: 230.6 MB / 256 MB, free: 8.016 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/package.mo): time 2.762/2.762, allocations: 476.7 MB / 0.7707 GB, free: 4.273 MB / 0.6231 GB
"
[Timeout remaining time 177]
Using package Buildings with version 11.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/package.mo)
Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo)
Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo)
Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_11_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_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.002048/0.002048, allocations: 65.36 kB / 1.118 GB, free: 8.98 MB / 0.8419 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3528/0.3548, allocations: 169.9 MB / 1.283 GB, free: 3.781 MB / 0.9825 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02541/0.3802, allocations: 19.3 MB / 1.302 GB, free: 428 kB / 0.9981 GB
Notification: Performance of NFInst.instExpressions: time 0.01344/0.3937, allocations: 7.073 MB / 1.309 GB, free: 9.328 MB / 1.014 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002377/0.396, allocations: 63.75 kB / 1.309 GB, free: 9.266 MB / 1.014 GB
Notification: Performance of NFTyping.typeComponents: time 0.004451/0.4005, allocations: 1.546 MB / 1.311 GB, free: 7.715 MB / 1.014 GB
Notification: Performance of NFTyping.typeBindings: time 0.004751/0.4052, allocations: 1.451 MB / 1.312 GB, free: 6.258 MB / 1.014 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003931/0.4092, allocations: 1.292 MB / 1.313 GB, free: 4.965 MB / 1.014 GB
Notification: Performance of NFFlatten.flatten: time 0.007765/0.4169, allocations: 5.48 MB / 1.319 GB, free: 15.47 MB / 1.029 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.005435/0.4224, allocations: 3.41 MB / 1.322 GB, free: 11.97 MB / 1.029 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004057/0.4264, allocations: 2.4 MB / 1.325 GB, free: 9.562 MB / 1.029 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005834/0.4323, allocations: 3.171 MB / 1.328 GB, free: 6.383 MB / 1.029 GB
Notification: Performance of NFPackage.collectConstants: time 0.001577/0.4338, allocations: 0.5117 MB / 1.328 GB, free: 5.871 MB / 1.029 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003488/0.4373, allocations: 1.295 MB / 1.329 GB, free: 4.574 MB / 1.029 GB
Notification: Performance of NFScalarize.scalarize: time 0.003319/0.4406, allocations: 2.299 MB / 1.332 GB, free: 2.27 MB / 1.029 GB
Notification: Performance of NFVerifyModel.verify: time 0.003869/0.4445, allocations: 2.194 MB / 1.334 GB, free: 68 kB / 1.029 GB
Notification: Performance of NFConvertDAE.convert: time 0.01028/0.4548, allocations: 7.804 MB / 1.341 GB, free: 8.238 MB / 1.045 GB
Notification: Performance of FrontEnd - DAE generated: time 7.364e-06/0.4548, allocations: 0 / 1.341 GB, free: 8.238 MB / 1.045 GB
Notification: Performance of FrontEnd: time 2.034e-06/0.4548, allocations: 0 / 1.341 GB, free: 8.238 MB / 1.045 GB
Notification: Performance of Transformations before backend: time 0.0002277/0.455, allocations: 0 / 1.341 GB, free: 8.238 MB / 1.045 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 0.01016/0.4652, allocations: 3.84 MB / 1.345 GB, free: 4.352 MB / 1.045 GB
Notification: Performance of prepare preOptimizeDAE: time 5.579e-05/0.4652, allocations: 12.03 kB / 1.345 GB, free: 4.34 MB / 1.045 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000963/0.4662, allocations: 0.5465 MB / 1.346 GB, free: 3.785 MB / 1.045 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01261/0.4788, allocations: 2.433 MB / 1.348 GB, free: 1.348 MB / 1.045 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00578/0.4846, allocations: 2.169 MB / 1.35 GB, free: 15.14 MB / 1.061 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002712/0.4849, allocations: 275.2 kB / 1.35 GB, free: 14.88 MB / 1.061 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001324/0.4862, allocations: 352 kB / 1.351 GB, free: 14.53 MB / 1.061 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01614/0.5023, allocations: 7.158 MB / 1.358 GB, free: 7.27 MB / 1.061 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.169e-05/0.5024, allocations: 3.938 kB / 1.358 GB, free: 7.266 MB / 1.061 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005232/0.5029, allocations: 152 kB / 1.358 GB, free: 7.117 MB / 1.061 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004938/0.5034, allocations: 338 kB / 1.358 GB, free: 6.785 MB / 1.061 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01698/0.5204, allocations: 7.043 MB / 1.365 GB, free: 15.73 MB / 1.076 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 0.0391/0.5595, allocations: 26.1 MB / 1.391 GB, free: 3.492 MB / 1.092 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008525/0.568, allocations: 3.74 MB / 1.394 GB, free: 15.73 MB / 1.107 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006218/0.5743, allocations: 2.518 MB / 1.397 GB, free: 13.19 MB / 1.107 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003081/0.5746, allocations: 57.92 kB / 1.397 GB, free: 13.13 MB / 1.107 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.004e-05/0.5746, allocations: 64.5 kB / 1.397 GB, free: 13.06 MB / 1.107 GB
Notification: Performance of pre-optimization done (n=208): time 4.279e-06/0.5746, allocations: 0 / 1.397 GB, free: 13.06 MB / 1.107 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 0.1076/0.6822, allocations: 30.8 MB / 1.427 GB, free: 14.27 MB / 1.139 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001568/0.6823, allocations: 235.6 kB / 1.427 GB, free: 13.99 MB / 1.139 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002723/0.6851, allocations: 1.473 MB / 1.429 GB, free: 12.51 MB / 1.139 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005641/0.6856, allocations: 69.7 kB / 1.429 GB, free: 12.43 MB / 1.139 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001317/0.6869, allocations: 1.55 MB / 1.43 GB, free: 10.87 MB / 1.139 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001505/0.6884, allocations: 0.9683 MB / 1.431 GB, free: 9.891 MB / 1.139 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001868/0.6903, allocations: 0.636 MB / 1.432 GB, free: 9.246 MB / 1.139 GB
Notification: Performance of setup shared object (initialization): time 0.0001506/0.6905, allocations: 313.1 kB / 1.432 GB, free: 8.938 MB / 1.139 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006326/0.6968, allocations: 2.686 MB / 1.435 GB, free: 6.242 MB / 1.139 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007187/0.704, allocations: 3.575 MB / 1.438 GB, free: 2.289 MB / 1.139 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01377/0.7177, allocations: 6.399 MB / 1.444 GB, free: 11.49 MB / 1.154 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.428e-05/0.7178, allocations: 11.94 kB / 1.444 GB, free: 11.48 MB / 1.154 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 0.0305/0.7483, allocations: 10.81 MB / 1.455 GB, free: 0.6094 MB / 1.154 GB
Notification: Performance of prepare postOptimizeDAE: time 5.02e-05/0.7483, allocations: 16 kB / 1.455 GB, free: 0.5938 MB / 1.154 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.728e-05/0.7484, allocations: 24 kB / 1.455 GB, free: 0.5703 MB / 1.154 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02085/0.7692, allocations: 5.54 MB / 1.46 GB, free: 11.01 MB / 1.17 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004553/0.7738, allocations: 0.9906 MB / 1.461 GB, free: 10.02 MB / 1.17 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04873/0.8225, allocations: 27.9 MB / 1.489 GB, free: 13.75 MB / 1.201 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004736/0.8273, allocations: 0.5694 MB / 1.489 GB, free: 13.18 MB / 1.201 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006981/0.8279, allocations: 151.9 kB / 1.489 GB, free: 13.03 MB / 1.201 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009319/0.8373, allocations: 3.988 MB / 1.493 GB, free: 9.035 MB / 1.201 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007593/0.8449, allocations: 3.532 MB / 1.497 GB, free: 5.125 MB / 1.201 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09281/0.9377, allocations: 24.45 MB / 1.521 GB, free: 12.19 MB / 1.232 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.519e-05/0.9377, allocations: 11.98 kB / 1.521 GB, free: 12.18 MB / 1.232 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 0.02964/0.9674, allocations: 10.17 MB / 1.53 GB, free: 1.938 MB / 1.232 GB
Notification: Performance of prepare postOptimizeDAE: time 5.202e-05/0.9674, allocations: 19.94 kB / 1.53 GB, free: 1.918 MB / 1.232 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.636e-05/0.9675, allocations: 28 kB / 1.531 GB, free: 1.891 MB / 1.232 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01612/0.9836, allocations: 4.322 MB / 1.535 GB, free: 13.55 MB / 1.248 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004723/0.9883, allocations: 1.045 MB / 1.536 GB, free: 12.5 MB / 1.248 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04152/1.03, allocations: 26.73 MB / 1.562 GB, free: 1.156 MB / 1.264 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004966/1.035, allocations: 0.5576 MB / 1.562 GB, free: 0.5977 MB / 1.264 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007256/1.036, allocations: 148 kB / 1.563 GB, free: 464 kB / 1.264 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 0.001353/1.037, allocations: 403.9 kB / 1.563 GB, free: 52 kB / 1.264 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.7113/1.748, allocations: 207.2 kB / 1.563 GB, free: 260.9 MB / 1.264 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 0.02851/1.777, allocations: 9.923 MB / 1.573 GB, free: 260.7 MB / 1.264 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.485e-05/1.777, allocations: 27.53 kB / 1.573 GB, free: 260.7 MB / 1.264 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.108e-05/1.777, allocations: 17.17 kB / 1.573 GB, free: 260.7 MB / 1.264 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.902e-05/1.777, allocations: 15.62 kB / 1.573 GB, free: 260.7 MB / 1.264 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 0.035/1.812, allocations: 16 MB / 1.588 GB, free: 255.7 MB / 1.264 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.968e-05/1.812, allocations: 11.72 kB / 1.589 GB, free: 255.7 MB / 1.264 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003286/1.815, allocations: 0.7316 MB / 1.589 GB, free: 255.7 MB / 1.264 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01689/1.832, allocations: 5.173 MB / 1.594 GB, free: 255.1 MB / 1.264 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000561/1.833, allocations: 72.89 kB / 1.594 GB, free: 255.1 MB / 1.264 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03226/1.865, allocations: 26.97 MB / 1.621 GB, free: 238.4 MB / 1.264 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.643e-06/1.865, allocations: 8.031 kB / 1.621 GB, free: 238.4 MB / 1.264 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 0.02348/1.888, allocations: 9.88 MB / 1.63 GB, free: 228.4 MB / 1.264 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002283/1.891, allocations: 0.6604 MB / 1.631 GB, free: 227.7 MB / 1.264 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000812/1.891, allocations: 55.98 kB / 1.631 GB, free: 227.7 MB / 1.264 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003415/1.895, allocations: 0.507 MB / 1.632 GB, free: 227.2 MB / 1.264 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008447/1.896, allocations: 238.2 kB / 1.632 GB, free: 226.9 MB / 1.264 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000341/1.896, allocations: 98.95 kB / 1.632 GB, free: 226.8 MB / 1.264 GB
Notification: Performance of sorting global known variables: time 0.001588/1.898, allocations: 1.001 MB / 1.633 GB, free: 225.8 MB / 1.264 GB
Notification: Performance of sort global known variables: time 9e-08/1.898, allocations: 2.953 kB / 1.633 GB, free: 225.8 MB / 1.264 GB
Notification: Performance of remove unused functions: time 0.006922/1.905, allocations: 1.852 MB / 1.635 GB, free: 224 MB / 1.264 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 0.02193/1.926, allocations: 10.53 MB / 1.645 GB, free: 213.2 MB / 1.264 GB
Notification: Performance of simCode: created initialization part: time 0.02479/1.951, allocations: 12.02 MB / 1.657 GB, free: 201.1 MB / 1.264 GB
Notification: Performance of simCode: created event and clocks part: time 1.521e-05/1.951, allocations: 8.25 kB / 1.657 GB, free: 201.1 MB / 1.264 GB
Notification: Performance of simCode: created simulation system equations: time 0.009255/1.961, allocations: 4.258 MB / 1.661 GB, free: 196.8 MB / 1.264 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002605/1.963, allocations: 300.3 kB / 1.661 GB, free: 196.5 MB / 1.264 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 0.08623/2.049, allocations: 42.13 MB / 1.702 GB, free: 153.2 MB / 1.264 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003635/2.053, allocations: 2.843 MB / 1.705 GB, free: 150.3 MB / 1.264 GB
Notification: Performance of simCode: alias equations: time 0.004277/2.057, allocations: 1.656 MB / 1.707 GB, free: 148.7 MB / 1.264 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001717/2.059, allocations: 1.226 MB / 1.708 GB, free: 147.5 MB / 1.264 GB
Notification: Performance of SimCode: time 1.793e-06/2.059, allocations: 4 kB / 1.708 GB, free: 147.5 MB / 1.264 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1786/2.238, allocations: 107.8 MB / 1.813 GB, free: 40.07 MB / 1.264 GB
Notification: Performance of buildModelFMU: Generate platform static: time 17.43/19.67, allocations: 10.92 kB / 1.813 GB, free: 40.06 MB / 1.264 GB
"
[Timeout remaining time 280]
(rm -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 420.0]
[Calling os._exit(0), Time elapsed: 26.156793000000107]
Failed to read output from testmodel.py, exit status != 0:
19.826070635001088 19.834768835 19.377488645
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f686897ef50>