Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo", uses=false)
Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo)
Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001187/0.001187, allocations: 104.5 kB / 16.39 MB, free: 5.91 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001206/0.001206, allocations: 196.1 kB / 17.33 MB, free: 5.543 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.358/1.358, allocations: 222.9 MB / 241 MB, free: 15.14 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.8195/0.8195, allocations: 122.9 MB / 414.1 MB, free: 15.85 MB / 334.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001346/0.001346, allocations: 62.69 kB / 0.568 GB, free: 28.94 MB / 446.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1534/0.1547, allocations: 77.94 MB / 0.6442 GB, free: 9.473 MB / 494.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02439/0.1792, allocations: 18.15 MB / 0.6619 GB, free: 7.258 MB / 0.4981 GB
Notification: Performance of NFInst.instExpressions: time 0.01432/0.1935, allocations: 6.801 MB / 0.6685 GB, free: 448 kB / 0.4981 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002159/0.1958, allocations: 55.88 kB / 0.6686 GB, free: 392 kB / 0.4981 GB
Notification: Performance of NFTyping.typeComponents: time 0.00485/0.2006, allocations: 1.472 MB / 0.67 GB, free: 14.91 MB / 0.5137 GB
Notification: Performance of NFTyping.typeBindings: time 0.004351/0.205, allocations: 1.443 MB / 0.6714 GB, free: 13.46 MB / 0.5137 GB
Notification: Performance of NFTyping.typeClassSections: time 0.004076/0.2091, allocations: 1.253 MB / 0.6726 GB, free: 12.2 MB / 0.5137 GB
Notification: Performance of NFFlatten.flatten: time 0.007232/0.2164, allocations: 5.449 MB / 0.678 GB, free: 6.742 MB / 0.5137 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01064/0.2271, allocations: 7.073 MB / 0.6849 GB, free: 15.56 MB / 0.5294 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004414/0.2316, allocations: 2.369 MB / 0.6872 GB, free: 13.18 MB / 0.5294 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005231/0.2369, allocations: 2.957 MB / 0.6901 GB, free: 10.22 MB / 0.5294 GB
Notification: Performance of NFPackage.collectConstants: time 0.001772/0.2387, allocations: 0.5117 MB / 0.6906 GB, free: 9.707 MB / 0.5294 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003306/0.242, allocations: 1.256 MB / 0.6918 GB, free: 8.449 MB / 0.5294 GB
Notification: Performance of NFScalarize.scalarize: time 0.003447/0.2455, allocations: 2.238 MB / 0.694 GB, free: 6.207 MB / 0.5294 GB
Notification: Performance of NFVerifyModel.verify: time 0.004658/0.2502, allocations: 2.163 MB / 0.6961 GB, free: 4.035 MB / 0.5294 GB
Notification: Performance of NFConvertDAE.convert: time 0.01125/0.2614, allocations: 7.749 MB / 0.7037 GB, free: 12.26 MB / 0.545 GB
Notification: Performance of FrontEnd - DAE generated: time 7.233e-06/0.2615, allocations: 0 / 0.7037 GB, free: 12.26 MB / 0.545 GB
Notification: Performance of FrontEnd: time 1.963e-06/0.2615, allocations: 0 / 0.7037 GB, free: 12.26 MB / 0.545 GB
Notification: Performance of Transformations before backend: time 0.000279/0.2618, allocations: 3.984 kB / 0.7037 GB, free: 12.25 MB / 0.545 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.01087/0.2727, allocations: 3.872 MB / 0.7075 GB, free: 8.316 MB / 0.545 GB
Notification: Performance of prepare preOptimizeDAE: time 6.371e-05/0.2727, allocations: 11.97 kB / 0.7075 GB, free: 8.305 MB / 0.545 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001846/0.2746, allocations: 0.5384 MB / 0.708 GB, free: 7.758 MB / 0.545 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01445/0.2891, allocations: 2.429 MB / 0.7104 GB, free: 5.324 MB / 0.545 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005869/0.295, allocations: 2.175 MB / 0.7125 GB, free: 3.105 MB / 0.545 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002544/0.2953, allocations: 271.2 kB / 0.7127 GB, free: 2.84 MB / 0.545 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001371/0.2967, allocations: 347.9 kB / 0.7131 GB, free: 2.5 MB / 0.545 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01692/0.3136, allocations: 7.122 MB / 0.72 GB, free: 11.27 MB / 0.5606 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001127/0.3138, allocations: 11.94 kB / 0.72 GB, free: 11.26 MB / 0.5606 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001009/0.3148, allocations: 152 kB / 0.7202 GB, free: 11.11 MB / 0.5606 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005101/0.3153, allocations: 326 kB / 0.7205 GB, free: 10.79 MB / 0.5606 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01797/0.3333, allocations: 7.032 MB / 0.7274 GB, free: 3.75 MB / 0.5606 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 0.4258/0.7592, allocations: 26.46 MB / 0.7532 GB, free: 81.54 MB / 0.5762 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01012/0.7693, allocations: 4.996 MB / 0.7581 GB, free: 79.79 MB / 0.5762 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.007184/0.7765, allocations: 2.612 MB / 0.7606 GB, free: 79.03 MB / 0.5762 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003534/0.7769, allocations: 128.7 kB / 0.7608 GB, free: 78.93 MB / 0.5762 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.855e-05/0.777, allocations: 66.84 kB / 0.7608 GB, free: 78.87 MB / 0.5762 GB
Notification: Performance of pre-optimization done (n=208): time 4.929e-06/0.777, allocations: 0 / 0.7608 GB, free: 78.87 MB / 0.5762 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 0.1057/0.8827, allocations: 31.14 MB / 0.7912 GB, free: 63.03 MB / 0.5762 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 9.28e-05/0.8828, allocations: 237.2 kB / 0.7915 GB, free: 62.75 MB / 0.5762 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002084/0.8849, allocations: 1.431 MB / 0.7928 GB, free: 61.3 MB / 0.5762 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007509/0.8857, allocations: 73.7 kB / 0.7929 GB, free: 61.23 MB / 0.5762 GB
Notification: Performance of collectInitialEqns (initialization): time 0.00081/0.8865, allocations: 1.534 MB / 0.7944 GB, free: 59.69 MB / 0.5762 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001167/0.8877, allocations: 0.9627 MB / 0.7954 GB, free: 58.74 MB / 0.5762 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001291/0.889, allocations: 0.636 MB / 0.796 GB, free: 58.09 MB / 0.5762 GB
Notification: Performance of setup shared object (initialization): time 9.351e-05/0.8891, allocations: 301.1 kB / 0.7963 GB, free: 57.8 MB / 0.5762 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005646/0.8947, allocations: 2.698 MB / 0.7989 GB, free: 55.09 MB / 0.5762 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006174/0.901, allocations: 3.575 MB / 0.8024 GB, free: 51.13 MB / 0.5762 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01172/0.9127, allocations: 6.403 MB / 0.8086 GB, free: 44.33 MB / 0.5762 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.927e-05/0.9128, allocations: 12 kB / 0.8087 GB, free: 44.32 MB / 0.5762 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 0.02719/0.94, allocations: 11.04 MB / 0.8194 GB, free: 33.18 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 4.046e-05/0.94, allocations: 17.19 kB / 0.8194 GB, free: 33.16 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.448e-05/0.9401, allocations: 28 kB / 0.8195 GB, free: 33.14 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01869/0.9588, allocations: 5.547 MB / 0.8249 GB, free: 27.58 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004204/0.963, allocations: 0.9906 MB / 0.8259 GB, free: 26.59 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03758/1.001, allocations: 28.21 MB / 0.8534 GB, free: 13.96 MB / 0.5919 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004823/1.006, allocations: 0.5771 MB / 0.854 GB, free: 13.38 MB / 0.5919 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004991/1.006, allocations: 151.9 kB / 0.8541 GB, free: 13.23 MB / 0.5919 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009457/1.016, allocations: 3.984 MB / 0.858 GB, free: 9.242 MB / 0.5919 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007574/1.023, allocations: 3.536 MB / 0.8615 GB, free: 5.328 MB / 0.5919 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09371/1.117, allocations: 24.65 MB / 0.8855 GB, free: 12.18 MB / 0.6231 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.017e-05/1.117, allocations: 8 kB / 0.8855 GB, free: 12.17 MB / 0.6231 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 0.02781/1.145, allocations: 10.54 MB / 0.8958 GB, free: 1.492 MB / 0.6231 GB
Notification: Performance of prepare postOptimizeDAE: time 4.998e-05/1.145, allocations: 16 kB / 0.8958 GB, free: 1.477 MB / 0.6231 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.542e-05/1.145, allocations: 28 kB / 0.8959 GB, free: 1.449 MB / 0.6231 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01617/1.161, allocations: 4.33 MB / 0.9001 GB, free: 13.11 MB / 0.6387 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005036/1.166, allocations: 1.041 MB / 0.9011 GB, free: 12.06 MB / 0.6387 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03824/1.204, allocations: 27.11 MB / 0.9276 GB, free: 256 kB / 0.6544 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005076/1.21, allocations: 0.5576 MB / 0.9281 GB, free: 15.69 MB / 0.67 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008539/1.21, allocations: 151.9 kB / 0.9283 GB, free: 15.54 MB / 0.67 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 0.001233/1.212, allocations: 407.1 kB / 0.9287 GB, free: 15.14 MB / 0.67 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008015/1.213, allocations: 202.7 kB / 0.9289 GB, free: 14.94 MB / 0.67 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 0.02893/1.241, allocations: 10.17 MB / 0.9388 GB, free: 4.691 MB / 0.67 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.476e-05/1.242, allocations: 31.94 kB / 0.9388 GB, free: 4.66 MB / 0.67 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.228e-05/1.242, allocations: 12 kB / 0.9388 GB, free: 4.648 MB / 0.67 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.429e-05/1.242, allocations: 15.94 kB / 0.9388 GB, free: 4.633 MB / 0.67 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 0.03726/1.279, allocations: 16.28 MB / 0.9547 GB, free: 4.172 MB / 0.6856 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.041e-05/1.279, allocations: 8 kB / 0.9548 GB, free: 4.164 MB / 0.6856 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003531/1.283, allocations: 0.7335 MB / 0.9555 GB, free: 3.434 MB / 0.6856 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01895/1.301, allocations: 5.185 MB / 0.9605 GB, free: 14.23 MB / 0.7012 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007174/1.302, allocations: 71.95 kB / 0.9606 GB, free: 14.16 MB / 0.7012 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04016/1.342, allocations: 27.27 MB / 0.9872 GB, free: 2.41 MB / 0.7169 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.207e-05/1.342, allocations: 15.97 kB / 0.9872 GB, free: 2.395 MB / 0.7169 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 0.02611/1.369, allocations: 10.09 MB / 0.9971 GB, free: 8.051 MB / 0.7325 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002199/1.371, allocations: 0.7298 MB / 0.9978 GB, free: 7.301 MB / 0.7325 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005429/1.371, allocations: 59.98 kB / 0.9979 GB, free: 7.242 MB / 0.7325 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003714/1.375, allocations: 0.5031 MB / 0.9984 GB, free: 6.738 MB / 0.7325 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007128/1.376, allocations: 230.4 kB / 0.9986 GB, free: 6.512 MB / 0.7325 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002317/1.376, allocations: 91.95 kB / 0.9987 GB, free: 6.422 MB / 0.7325 GB
Notification: Performance of sorting global known variables: time 0.001439/1.377, allocations: 0.9723 MB / 0.9996 GB, free: 5.445 MB / 0.7325 GB
Notification: Performance of sort global known variables: time 3.31e-07/1.377, allocations: 3.938 kB / 0.9996 GB, free: 5.441 MB / 0.7325 GB
Notification: Performance of remove unused functions: time 0.00653/1.384, allocations: 1.844 MB / 1.001 GB, free: 3.598 MB / 0.7325 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 0.02853/1.413, allocations: 10.77 MB / 1.012 GB, free: 8.574 MB / 0.7481 GB
Notification: Performance of simCode: created initialization part: time 0.03327/1.446, allocations: 12.48 MB / 1.024 GB, free: 12 MB / 0.7637 GB
Notification: Performance of simCode: created event and clocks part: time 1.703e-05/1.446, allocations: 8.062 kB / 1.024 GB, free: 11.99 MB / 0.7637 GB
Notification: Performance of simCode: created simulation system equations: time 0.01178/1.458, allocations: 4.437 MB / 1.028 GB, free: 7.516 MB / 0.7637 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00254/1.46, allocations: 255 kB / 1.029 GB, free: 7.27 MB / 0.7637 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 simCode: created linear, non-linear and system jacobian parts: time 0.4258/1.886, allocations: 41.72 MB / 1.069 GB, free: 256.3 MB / 0.7637 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002487/1.889, allocations: 2.843 MB / 1.072 GB, free: 255 MB / 0.7637 GB
Notification: Performance of simCode: alias equations: time 0.003988/1.893, allocations: 1.657 MB / 1.074 GB, free: 254.4 MB / 0.7637 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001475/1.894, allocations: 1.203 MB / 1.075 GB, free: 253.4 MB / 0.7637 GB
Notification: Performance of SimCode: time 8.82e-07/1.894, allocations: 0 / 1.075 GB, free: 253.4 MB / 0.7637 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1294/2.024, allocations: 102.5 MB / 1.175 GB, free: 155.6 MB / 0.7637 GB
Notification: Performance of buildModelFMU: Generate platform static: time 16.3/18.32, allocations: 19.89 kB / 1.175 GB, free: 155.5 MB / 0.7637 GB
(rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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_BalancedStepDown_YD.fmu > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)