Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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 0.001408/0.001408, allocations: 100.3 kB / 19.69 MB, free: 1.805 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 0.001499/0.001499, allocations: 209.6 kB / 22.99 MB, free: 4.605 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 1.446/1.446, allocations: 230.6 MB / 256.8 MB, free: 7.801 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 0.9507/0.9507, allocations: 149.9 MB / 463 MB, free: 10.39 MB / 366.1 MB
"
[Timeout remaining time 179]
Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/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(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660]
"Notification: IBPSA 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 0.002224/0.002224, allocations: 69.48 kB / 0.6412 GB, free: 10.07 MB / 478.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1658/0.168, allocations: 89.16 MB / 0.7283 GB, free: 0.9688 MB / 0.545 GB
Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02573/0.1938, allocations: 17.91 MB / 0.7457 GB, free: 15 MB / 0.5762 GB
Notification: Performance of NFInst.instExpressions: time 0.01356/0.2073, allocations: 6.785 MB / 0.7524 GB, free: 8.195 MB / 0.5762 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001572/0.2089, allocations: 67.69 kB / 0.7524 GB, free: 8.129 MB / 0.5762 GB
Notification: Performance of NFTyping.typeComponents: time 0.004359/0.2133, allocations: 1.473 MB / 0.7539 GB, free: 6.652 MB / 0.5762 GB
Notification: Performance of NFTyping.typeBindings: time 0.003795/0.2171, allocations: 1.471 MB / 0.7553 GB, free: 5.176 MB / 0.5762 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003289/0.2204, allocations: 1.27 MB / 0.7566 GB, free: 3.906 MB / 0.5762 GB
Notification: Performance of NFFlatten.flatten: time 0.34/0.5603, allocations: 5.472 MB / 0.7619 GB, free: 10.61 MB / 0.5762 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.004224/0.5646, allocations: 3.37 MB / 0.7652 GB, free: 10.29 MB / 0.5762 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003255/0.5678, allocations: 2.432 MB / 0.7676 GB, free: 10.14 MB / 0.5762 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004961/0.5728, allocations: 3.015 MB / 0.7705 GB, free: 9.895 MB / 0.5762 GB
Notification: Performance of NFPackage.collectConstants: time 0.001691/0.5745, allocations: 0.5137 MB / 0.771 GB, free: 9.895 MB / 0.5762 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003686/0.5782, allocations: 1.199 MB / 0.7722 GB, free: 9.895 MB / 0.5762 GB
Notification: Performance of NFScalarize.scalarize: time 0.004164/0.5823, allocations: 2.306 MB / 0.7744 GB, free: 9.707 MB / 0.5762 GB
Notification: Performance of NFVerifyModel.verify: time 0.004349/0.5867, allocations: 1.786 MB / 0.7762 GB, free: 9.32 MB / 0.5762 GB
Notification: Performance of NFConvertDAE.convert: time 0.01018/0.5968, allocations: 7.837 MB / 0.7838 GB, free: 8.598 MB / 0.5762 GB
Notification: Performance of FrontEnd - DAE generated: time 5.62e-06/0.5969, allocations: 1.625 kB / 0.7838 GB, free: 8.598 MB / 0.5762 GB
Notification: Performance of FrontEnd: time 1.633e-06/0.5969, allocations: 1.406 kB / 0.7838 GB, free: 8.598 MB / 0.5762 GB
Notification: Performance of Transformations before backend: time 0.0002059/0.5971, allocations: 0 / 0.7838 GB, free: 8.598 MB / 0.5762 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 0.009984/0.607, allocations: 3.839 MB / 0.7876 GB, free: 7.141 MB / 0.5762 GB
Notification: Performance of prepare preOptimizeDAE: time 4.105e-05/0.6071, allocations: 8.906 kB / 0.7876 GB, free: 7.141 MB / 0.5762 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001048/0.6081, allocations: 0.5445 MB / 0.7881 GB, free: 7.082 MB / 0.5762 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01314/0.6213, allocations: 2.433 MB / 0.7905 GB, free: 6.828 MB / 0.5762 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006373/0.6276, allocations: 2.179 MB / 0.7926 GB, free: 6.199 MB / 0.5762 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002292/0.6279, allocations: 264.6 kB / 0.7929 GB, free: 6.191 MB / 0.5762 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001607/0.6295, allocations: 349.8 kB / 0.7932 GB, free: 6.191 MB / 0.5762 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01784/0.6473, allocations: 7.236 MB / 0.8003 GB, free: 2.246 MB / 0.5762 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.467e-05/0.6474, allocations: 5.25 kB / 0.8003 GB, free: 2.242 MB / 0.5762 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005198/0.6479, allocations: 150.7 kB / 0.8004 GB, free: 2.137 MB / 0.5762 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004586/0.6484, allocations: 341.5 kB / 0.8008 GB, free: 2.039 MB / 0.5762 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01593/0.6643, allocations: 7.035 MB / 0.8076 GB, free: 14.51 MB / 0.5919 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03129/0.6956, allocations: 18.48 MB / 0.8257 GB, free: 216 kB / 0.5919 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.00821/0.7038, allocations: 3.734 MB / 0.8293 GB, free: 12.49 MB / 0.6075 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006151/0.71, allocations: 2.519 MB / 0.8318 GB, free: 9.953 MB / 0.6075 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002028/0.7102, allocations: 41.98 kB / 0.8318 GB, free: 9.914 MB / 0.6075 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.2e-05/0.7102, allocations: 72.2 kB / 0.8319 GB, free: 9.836 MB / 0.6075 GB
Notification: Performance of pre-optimization done (n=208): time 4.578e-06/0.7102, allocations: 0 / 0.8319 GB, free: 9.836 MB / 0.6075 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 0.1101/0.8203, allocations: 30.8 MB / 0.862 GB, free: 11.26 MB / 0.6387 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001627/0.8205, allocations: 239.6 kB / 0.8622 GB, free: 10.98 MB / 0.6387 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00264/0.8231, allocations: 1.516 MB / 0.8637 GB, free: 9.457 MB / 0.6387 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006155/0.8237, allocations: 73.7 kB / 0.8637 GB, free: 9.379 MB / 0.6387 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001285/0.825, allocations: 1.559 MB / 0.8653 GB, free: 7.816 MB / 0.6387 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001345/0.8264, allocations: 0.9586 MB / 0.8662 GB, free: 6.871 MB / 0.6387 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001281/0.8276, allocations: 0.6398 MB / 0.8668 GB, free: 6.223 MB / 0.6387 GB
Notification: Performance of setup shared object (initialization): time 0.0001305/0.8278, allocations: 308.6 kB / 0.8671 GB, free: 5.922 MB / 0.6387 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006525/0.8343, allocations: 2.686 MB / 0.8697 GB, free: 3.227 MB / 0.6387 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007824/0.8421, allocations: 3.64 MB / 0.8733 GB, free: 15.2 MB / 0.6544 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01415/0.8563, allocations: 6.398 MB / 0.8795 GB, free: 8.512 MB / 0.6544 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.785e-05/0.8563, allocations: 15.94 kB / 0.8796 GB, free: 8.496 MB / 0.6544 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 0.0307/0.887, allocations: 10.76 MB / 0.8901 GB, free: 13.9 MB / 0.67 GB
Notification: Performance of prepare postOptimizeDAE: time 5.09e-05/0.887, allocations: 16 kB / 0.8901 GB, free: 13.89 MB / 0.67 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.976e-05/0.8871, allocations: 28.56 kB / 0.8901 GB, free: 13.86 MB / 0.67 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02081/0.9079, allocations: 5.554 MB / 0.8955 GB, free: 8.289 MB / 0.67 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004682/0.9126, allocations: 0.9946 MB / 0.8965 GB, free: 7.332 MB / 0.67 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04845/0.961, allocations: 27.47 MB / 0.9233 GB, free: 11.58 MB / 0.7012 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005079/0.9661, allocations: 0.5693 MB / 0.9239 GB, free: 11.01 MB / 0.7012 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005571/0.9667, allocations: 155.9 kB / 0.924 GB, free: 10.86 MB / 0.7012 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009068/0.9757, allocations: 3.98 MB / 0.9279 GB, free: 6.867 MB / 0.7012 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007217/0.983, allocations: 3.605 MB / 0.9314 GB, free: 2.883 MB / 0.7012 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0934/1.076, allocations: 24.47 MB / 0.9553 GB, free: 10.05 MB / 0.7325 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.124e-05/1.076, allocations: 11.98 kB / 0.9554 GB, free: 10.04 MB / 0.7325 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 0.0281/1.105, allocations: 10.17 MB / 0.9653 GB, free: 15.88 MB / 0.7481 GB
Notification: Performance of prepare postOptimizeDAE: time 3.469e-05/1.105, allocations: 16 kB / 0.9653 GB, free: 15.86 MB / 0.7481 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.734e-05/1.105, allocations: 28 kB / 0.9653 GB, free: 15.83 MB / 0.7481 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01609/1.121, allocations: 4.32 MB / 0.9696 GB, free: 11.5 MB / 0.7481 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004959/1.126, allocations: 1.049 MB / 0.9706 GB, free: 10.45 MB / 0.7481 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04077/1.166, allocations: 26.26 MB / 0.9962 GB, free: 15.63 MB / 0.7794 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005004/1.171, allocations: 0.5614 MB / 0.9968 GB, free: 15.07 MB / 0.7794 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005474/1.172, allocations: 155.9 kB / 0.9969 GB, free: 14.92 MB / 0.7794 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 0.001036/1.173, allocations: 403.3 kB / 0.9973 GB, free: 14.52 MB / 0.7794 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006644/1.174, allocations: 214.7 kB / 0.9975 GB, free: 14.31 MB / 0.7794 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 0.02873/1.202, allocations: 9.934 MB / 1.007 GB, free: 4.336 MB / 0.7794 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.806e-05/1.202, allocations: 28 kB / 1.007 GB, free: 4.309 MB / 0.7794 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.968e-05/1.202, allocations: 15.94 kB / 1.007 GB, free: 4.293 MB / 0.7794 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.704e-05/1.203, allocations: 11.95 kB / 1.007 GB, free: 4.281 MB / 0.7794 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 0.04415/1.247, allocations: 15.39 MB / 1.022 GB, free: 4.766 MB / 0.795 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.302e-05/1.247, allocations: 8 kB / 1.022 GB, free: 4.758 MB / 0.795 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00374/1.25, allocations: 0.7411 MB / 1.023 GB, free: 4.016 MB / 0.795 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01905/1.27, allocations: 5.161 MB / 1.028 GB, free: 14.84 MB / 0.8106 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000598/1.27, allocations: 75.95 kB / 1.028 GB, free: 14.77 MB / 0.8106 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04382/1.314, allocations: 26.53 MB / 1.054 GB, free: 3.836 MB / 0.8262 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.198e-05/1.314, allocations: 12.03 kB / 1.054 GB, free: 3.824 MB / 0.8262 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 0.02712/1.341, allocations: 9.913 MB / 1.064 GB, free: 9.703 MB / 0.8419 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002396/1.343, allocations: 0.6623 MB / 1.064 GB, free: 9.039 MB / 0.8419 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005165/1.344, allocations: 48 kB / 1.064 GB, free: 8.992 MB / 0.8419 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003877/1.348, allocations: 0.5109 MB / 1.065 GB, free: 8.48 MB / 0.8419 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008086/1.349, allocations: 238.2 kB / 1.065 GB, free: 8.25 MB / 0.8419 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000266/1.349, allocations: 91.89 kB / 1.065 GB, free: 8.16 MB / 0.8419 GB
Notification: Performance of sorting global known variables: time 0.001766/1.351, allocations: 1.001 MB / 1.066 GB, free: 7.156 MB / 0.8419 GB
Notification: Performance of sort global known variables: time 1.11e-07/1.351, allocations: 0 / 1.066 GB, free: 7.156 MB / 0.8419 GB
Notification: Performance of remove unused functions: time 0.006911/1.358, allocations: 1.855 MB / 1.068 GB, free: 5.301 MB / 0.8419 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 0.02746/1.385, allocations: 10.57 MB / 1.078 GB, free: 10.5 MB / 0.8575 GB
Notification: Performance of simCode: created initialization part: time 0.391/1.776, allocations: 12.02 MB / 1.09 GB, free: 299.9 MB / 0.8575 GB
Notification: Performance of simCode: created event and clocks part: time 1.294e-05/1.776, allocations: 0.8438 kB / 1.09 GB, free: 299.9 MB / 0.8575 GB
Notification: Performance of simCode: created simulation system equations: time 0.01046/1.787, allocations: 4.24 MB / 1.094 GB, free: 299.5 MB / 0.8575 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002359/1.789, allocations: 291.8 kB / 1.095 GB, free: 299.5 MB / 0.8575 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 0.09782/1.887, allocations: 42.08 MB / 1.136 GB, free: 288.2 MB / 0.8575 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002734/1.889, allocations: 2.287 MB / 1.138 GB, free: 287 MB / 0.8575 GB
Notification: Performance of simCode: alias equations: time 0.004053/1.894, allocations: 1.664 MB / 1.139 GB, free: 286.3 MB / 0.8575 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001472/1.895, allocations: 1.223 MB / 1.141 GB, free: 285.2 MB / 0.8575 GB
Notification: Performance of SimCode: time 9.01e-07/1.895, allocations: 0 / 1.141 GB, free: 285.2 MB / 0.8575 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1388/2.034, allocations: 104.3 MB / 1.243 GB, free: 183.2 MB / 0.8575 GB
Notification: Performance of buildModelFMU: Generate platform static: time 16.33/18.37, allocations: 3.938 kB / 1.243 GB, free: 183.2 MB / 0.8575 GB
"
[Timeout remaining time 641]
(rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & python3 -m fmpy simulate  --output-file IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD.fmu > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1) [Timeout 52.5]
[Calling os._exit(0), Time elapsed: 22.220403280109167]
Failed to read output from testmodel.py, exit status != 0:
18.537099365144968 18.557989979 17.957258424
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f2a23ab2fb0>