Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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 0.0008093/0.0008093, allocations: 80.44 kB / 19.17 MB, free: 0.7344 MB / 13.93 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 0.0007925/0.0007925, allocations: 165.9 kB / 22.45 MB, free: 2.098 MB / 18.57 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 0.8822/0.8822, allocations: 177.1 MB / 202.8 MB, free: 5.746 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo): time 1.639/1.639, allocations: 359 MB / 0.6037 GB, free: 11.1 MB / 0.573 GB
"
[Timeout remaining time 178]
Using package Buildings with version 11.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-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.UnbalancedStepUp.YD,fileNamePrefix="Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Performance of FrontEnd - loaded program: time 1.383e-06/1.383e-06, allocations: 0 / 0.9506 GB, free: 3.387 MB / 0.9011 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 1.942e-05/2.08e-05, allocations: 6.219 kB / 0.9506 GB, free: 3.379 MB / 0.9011 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.01305/0.01307, allocations: 17.52 MB / 0.9677 GB, free: 1.785 MB / 0.9167 GB
Notification: Performance of NFInst.instExpressions: time 0.008143/0.02122, allocations: 6.714 MB / 0.9743 GB, free: 11.05 MB / 0.9323 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001035/0.02225, allocations: 63.75 kB / 0.9743 GB, free: 10.99 MB / 0.9323 GB
Notification: Performance of NFTyping.typeComponents: time 0.001928/0.02418, allocations: 1.486 MB / 0.9758 GB, free: 9.5 MB / 0.9323 GB
Notification: Performance of NFTyping.typeBindings: time 0.002067/0.02625, allocations: 1.5 MB / 0.9772 GB, free: 7.992 MB / 0.9323 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001766/0.02801, allocations: 1.282 MB / 0.9785 GB, free: 6.707 MB / 0.9323 GB
Notification: Performance of NFFlatten.flatten: time 0.003727/0.03174, allocations: 5.557 MB / 0.9839 GB, free: 1.137 MB / 0.9323 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.003844/0.03558, allocations: 3.394 MB / 0.9872 GB, free: 13.65 MB / 0.948 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.00321/0.03879, allocations: 3.329 MB / 0.9905 GB, free: 10.31 MB / 0.948 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003412/0.04221, allocations: 2.892 MB / 0.9933 GB, free: 7.414 MB / 0.948 GB
Notification: Performance of NFPackage.collectConstants: time 0.0007204/0.04293, allocations: 0.5156 MB / 0.9938 GB, free: 6.898 MB / 0.948 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.001906/0.04483, allocations: 1.224 MB / 0.995 GB, free: 5.672 MB / 0.948 GB
Notification: Performance of NFScalarize.scalarize: time 0.001657/0.04649, allocations: 2.413 MB / 0.9974 GB, free: 3.254 MB / 0.948 GB
Notification: Performance of NFVerifyModel.verify: time 0.001618/0.04811, allocations: 1.544 MB / 0.9989 GB, free: 1.707 MB / 0.948 GB
Notification: Performance of NFConvertDAE.convert: time 0.005086/0.05319, allocations: 7.987 MB / 1.007 GB, free: 9.699 MB / 0.9636 GB
Notification: Performance of FrontEnd - DAE generated: time 5.089e-06/0.0532, allocations: 4 kB / 1.007 GB, free: 9.695 MB / 0.9636 GB
Notification: Performance of FrontEnd: time 1.563e-06/0.0532, allocations: 0 / 1.007 GB, free: 9.695 MB / 0.9636 GB
Notification: Performance of Transformations before backend: time 7.7e-05/0.05328, allocations: 4 kB / 1.007 GB, free: 9.691 MB / 0.9636 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 0.004628/0.05791, allocations: 3.797 MB / 1.01 GB, free: 5.848 MB / 0.9636 GB
Notification: Performance of prepare preOptimizeDAE: time 3.906e-05/0.05795, allocations: 11.97 kB / 1.01 GB, free: 5.836 MB / 0.9636 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0004828/0.05843, allocations: 0.5426 MB / 1.011 GB, free: 5.285 MB / 0.9636 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006276/0.0647, allocations: 2.44 MB / 1.013 GB, free: 2.84 MB / 0.9636 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.002727/0.06743, allocations: 2.177 MB / 1.015 GB, free: 0.6289 MB / 0.9636 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001185/0.06755, allocations: 267.5 kB / 1.016 GB, free: 376 kB / 0.9636 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004261/0.06798, allocations: 344.3 kB / 1.016 GB, free: 32 kB / 0.9636 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.008197/0.07617, allocations: 7.234 MB / 1.023 GB, free: 8.676 MB / 0.9792 GB
Notification: Performance of preOpt findStateOrder (simulation): time 5.006e-05/0.07622, allocations: 3.938 kB / 1.023 GB, free: 8.672 MB / 0.9792 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003062/0.07653, allocations: 152 kB / 1.023 GB, free: 8.523 MB / 0.9792 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002698/0.0768, allocations: 334.1 kB / 1.024 GB, free: 8.195 MB / 0.9792 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.008954/0.08575, allocations: 7.032 MB / 1.03 GB, free: 1.152 MB / 0.9792 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.4389/0.5247, allocations: 18.5 MB / 1.048 GB, free: 120.5 MB / 0.9948 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.004648/0.5293, allocations: 3.721 MB / 1.052 GB, free: 120.3 MB / 0.9948 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003211/0.5326, allocations: 2.526 MB / 1.055 GB, free: 120.1 MB / 0.9948 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001516/0.5327, allocations: 42.75 kB / 1.055 GB, free: 120.1 MB / 0.9948 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.267e-05/0.5327, allocations: 70.33 kB / 1.055 GB, free: 120 MB / 0.9948 GB
Notification: Performance of pre-optimization done (n=208): time 4.589e-06/0.5327, allocations: 1.156 kB / 1.055 GB, free: 120 MB / 0.9948 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 0.05551/0.5883, allocations: 30.79 MB / 1.085 GB, free: 113.4 MB / 0.9948 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 8.345e-05/0.5883, allocations: 236.4 kB / 1.085 GB, free: 113.1 MB / 0.9948 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001989/0.5903, allocations: 1.527 MB / 1.086 GB, free: 112.6 MB / 0.9948 GB
Notification: Performance of collectPreVariables (initialization): time 0.0003064/0.5906, allocations: 68.23 kB / 1.087 GB, free: 112.5 MB / 0.9948 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0006154/0.5912, allocations: 1.549 MB / 1.088 GB, free: 111.5 MB / 0.9948 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0006473/0.5919, allocations: 0.9507 MB / 1.089 GB, free: 110.8 MB / 0.9948 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008357/0.5927, allocations: 0.6342 MB / 1.09 GB, free: 110.5 MB / 0.9948 GB
Notification: Performance of setup shared object (initialization): time 3.707e-05/0.5928, allocations: 306.9 kB / 1.09 GB, free: 110.2 MB / 0.9948 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.003962/0.5967, allocations: 2.688 MB / 1.093 GB, free: 109.3 MB / 0.9948 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.004253/0.601, allocations: 3.644 MB / 1.096 GB, free: 107.4 MB / 0.9948 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007817/0.6088, allocations: 6.402 MB / 1.102 GB, free: 104.3 MB / 0.9948 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.719e-05/0.6088, allocations: 7.469 kB / 1.102 GB, free: 104.3 MB / 0.9948 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 0.01713/0.626, allocations: 10.76 MB / 1.113 GB, free: 101.4 MB / 0.9948 GB
Notification: Performance of prepare postOptimizeDAE: time 3.657e-05/0.626, allocations: 16.28 kB / 1.113 GB, free: 101.4 MB / 0.9948 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.226e-05/0.626, allocations: 26.81 kB / 1.113 GB, free: 101.4 MB / 0.9948 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01007/0.6361, allocations: 5.561 MB / 1.118 GB, free: 99.16 MB / 0.9948 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002475/0.6386, allocations: 0.9949 MB / 1.119 GB, free: 98.84 MB / 0.9948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02198/0.6606, allocations: 27.49 MB / 1.146 GB, free: 77.67 MB / 0.9948 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00275/0.6633, allocations: 0.5693 MB / 1.147 GB, free: 77.1 MB / 0.9948 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002096/0.6635, allocations: 155.9 kB / 1.147 GB, free: 76.95 MB / 0.9948 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.004525/0.668, allocations: 3.984 MB / 1.151 GB, free: 72.96 MB / 0.9948 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.003174/0.6712, allocations: 3.604 MB / 1.154 GB, free: 68.95 MB / 0.9948 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.04143/0.7126, allocations: 24.47 MB / 1.178 GB, free: 44.02 MB / 0.9948 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.832e-05/0.7127, allocations: 12 kB / 1.178 GB, free: 44 MB / 0.9948 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 0.01316/0.7258, allocations: 10.17 MB / 1.188 GB, free: 33.77 MB / 0.9948 GB
Notification: Performance of prepare postOptimizeDAE: time 1.794e-05/0.7258, allocations: 19.94 kB / 1.188 GB, free: 33.75 MB / 0.9948 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.974e-05/0.7259, allocations: 28 kB / 1.188 GB, free: 33.73 MB / 0.9948 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.00712/0.733, allocations: 4.32 MB / 1.192 GB, free: 29.39 MB / 0.9948 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002075/0.7351, allocations: 1.042 MB / 1.193 GB, free: 28.36 MB / 0.9948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01747/0.7525, allocations: 26.26 MB / 1.219 GB, free: 1.527 MB / 0.9948 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002397/0.7549, allocations: 0.5616 MB / 1.22 GB, free: 0.9648 MB / 0.9948 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001996/0.7551, allocations: 159.9 kB / 1.22 GB, free: 0.8086 MB / 0.9948 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 0.000666/0.7558, allocations: 391.2 kB / 1.22 GB, free: 428 kB / 0.9948 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000339/0.7561, allocations: 210.7 kB / 1.22 GB, free: 216 kB / 0.9948 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 0.01466/0.7708, allocations: 9.945 MB / 1.23 GB, free: 6.281 MB / 1.01 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.17e-05/0.7708, allocations: 28 kB / 1.23 GB, free: 6.254 MB / 1.01 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.492e-05/0.7708, allocations: 15.66 kB / 1.23 GB, free: 6.242 MB / 1.01 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.922e-05/0.7708, allocations: 15.95 kB / 1.23 GB, free: 6.227 MB / 1.01 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 0.02031/0.7912, allocations: 15.4 MB / 1.245 GB, free: 6.711 MB / 1.026 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.048e-05/0.7912, allocations: 8 kB / 1.245 GB, free: 6.703 MB / 1.026 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001637/0.7928, allocations: 0.734 MB / 1.246 GB, free: 5.969 MB / 1.026 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.009425/0.8022, allocations: 5.172 MB / 1.251 GB, free: 0.7852 MB / 1.026 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002393/0.8025, allocations: 75.95 kB / 1.251 GB, free: 0.7109 MB / 1.026 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02445/0.8269, allocations: 26.54 MB / 1.277 GB, free: 5.762 MB / 1.057 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.801e-06/0.8269, allocations: 12.03 kB / 1.277 GB, free: 5.75 MB / 1.057 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 0.01417/0.8411, allocations: 9.884 MB / 1.287 GB, free: 11.65 MB / 1.073 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001193/0.8423, allocations: 0.6585 MB / 1.287 GB, free: 10.99 MB / 1.073 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002511/0.8425, allocations: 56 kB / 1.287 GB, free: 10.94 MB / 1.073 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001789/0.8443, allocations: 0.5084 MB / 1.288 GB, free: 10.43 MB / 1.073 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005468/0.8449, allocations: 242.3 kB / 1.288 GB, free: 10.2 MB / 1.073 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000143/0.845, allocations: 91.95 kB / 1.288 GB, free: 10.11 MB / 1.073 GB
Notification: Performance of sorting global known variables: time 0.001027/0.846, allocations: 1.001 MB / 1.289 GB, free: 9.102 MB / 1.073 GB
Notification: Performance of sort global known variables: time 9e-08/0.846, allocations: 0 / 1.289 GB, free: 9.102 MB / 1.073 GB
Notification: Performance of remove unused functions: time 0.004404/0.8504, allocations: 1.855 MB / 1.291 GB, free: 7.246 MB / 1.073 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 0.0144/0.8649, allocations: 10.56 MB / 1.301 GB, free: 12.46 MB / 1.089 GB
Notification: Performance of simCode: created initialization part: time 0.01628/0.8811, allocations: 12.01 MB / 1.313 GB, free: 360 kB / 1.089 GB
Notification: Performance of simCode: created event and clocks part: time 9.458e-06/0.8811, allocations: 4 kB / 1.313 GB, free: 356 kB / 1.089 GB
Notification: Performance of simCode: created simulation system equations: time 0.005831/0.887, allocations: 4.242 MB / 1.317 GB, free: 12.07 MB / 1.104 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00143/0.8884, allocations: 297.9 kB / 1.317 GB, free: 11.79 MB / 1.104 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0563/0.9447, allocations: 42.15 MB / 1.358 GB, free: 420 kB / 1.135 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002252/0.947, allocations: 2.278 MB / 1.361 GB, free: 14.09 MB / 1.151 GB
Notification: Performance of simCode: alias equations: time 0.002838/0.9498, allocations: 1.657 MB / 1.362 GB, free: 12.43 MB / 1.151 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001182/0.951, allocations: 1.227 MB / 1.364 GB, free: 11.21 MB / 1.151 GB
Notification: Performance of SimCode: time 1.302e-06/0.951, allocations: 4 kB / 1.364 GB, free: 11.2 MB / 1.151 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1086/1.06, allocations: 104.5 MB / 1.466 GB, free: 3.277 MB / 1.245 GB
Notification: Performance of buildModelFMU: Generate platform static: time 10.64/11.7, allocations: 0 / 1.466 GB, free: 3.277 MB / 1.245 GB
"
[Timeout remaining time 288]
(rm -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & python3 -m fmpy simulate  --output-file Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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_UnbalancedStepUp_YD.fmu > Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1) [Timeout 420.0]
[Calling os._exit(0), Time elapsed: 15.746509462594986]
Failed to read output from testmodel.py, exit status != 0:
11.823494258336723 11.835048928 11.780042277
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7e4db34cd400>