Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.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/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-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(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_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: 112.5 kB / 15.74 MB, free: 68 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001343/0.001342, allocations: 198 kB / 16.67 MB, free: 6.582 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.541/1.541, allocations: 222.9 MB / 240.4 MB, free: 4.336 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002486/0.002485, allocations: 278.5 kB / 290.8 MB, free: 1.926 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.059/1.059, allocations: 169.3 MB / 0.4983 GB, free: 13.82 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002771/0.002771, allocations: 99.84 kB / 0.6811 GB, free: 15.88 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1743/0.1771, allocations: 86.98 MB / 0.766 GB, free: 8.828 MB / 0.5606 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.356/0.5332, allocations: 18.16 MB / 0.7837 GB, free: 7.508 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.01002/0.5432, allocations: 6.806 MB / 0.7904 GB, free: 2.902 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002276/0.5455, allocations: 54.91 kB / 0.7904 GB, free: 2.895 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.003933/0.5495, allocations: 1.449 MB / 0.7918 GB, free: 2.035 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.003962/0.5535, allocations: 1.397 MB / 0.7932 GB, free: 1.254 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.003503/0.557, allocations: 1.288 MB / 0.7945 GB, free: 0.5586 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.006965/0.564, allocations: 5.443 MB / 0.7998 GB, free: 14.26 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01023/0.5742, allocations: 7.063 MB / 0.8067 GB, free: 11.54 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005129/0.5794, allocations: 2.35 MB / 0.809 GB, free: 10.48 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006121/0.5855, allocations: 2.958 MB / 0.8119 GB, free: 9.242 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.001774/0.5873, allocations: 0.512 MB / 0.8124 GB, free: 9.242 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004154/0.5915, allocations: 1.253 MB / 0.8136 GB, free: 8.973 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.004518/0.596, allocations: 2.232 MB / 0.8158 GB, free: 8.121 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.006801/0.6029, allocations: 2.176 MB / 0.8179 GB, free: 6.711 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.01358/0.6165, allocations: 7.741 MB / 0.8255 GB, free: 1.762 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 6.031e-06/0.6165, allocations: 0 / 0.8255 GB, free: 1.762 MB / 0.5762 GB Notification: Performance of FrontEnd: time 2.074e-06/0.6165, allocations: 1.688 kB / 0.8255 GB, free: 1.762 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 0.000264/0.6168, allocations: 0 / 0.8255 GB, free: 1.762 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: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01357/0.6304, allocations: 3.871 MB / 0.8292 GB, free: 15.13 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 4.391e-05/0.6304, allocations: 9.75 kB / 0.8292 GB, free: 15.13 MB / 0.5919 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001701/0.6321, allocations: 0.5524 MB / 0.8298 GB, free: 14.74 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01364/0.6458, allocations: 2.348 MB / 0.8321 GB, free: 13.61 MB / 0.5919 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005965/0.6518, allocations: 2.175 MB / 0.8342 GB, free: 12.25 MB / 0.5919 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002914/0.6521, allocations: 274.9 kB / 0.8345 GB, free: 12.12 MB / 0.5919 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001667/0.6538, allocations: 347.8 kB / 0.8348 GB, free: 12 MB / 0.5919 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01912/0.6729, allocations: 7.095 MB / 0.8417 GB, free: 6.289 MB / 0.5919 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.708e-05/0.6731, allocations: 0 / 0.8417 GB, free: 6.289 MB / 0.5919 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006386/0.6737, allocations: 155.9 kB / 0.8419 GB, free: 6.137 MB / 0.5919 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005421/0.6742, allocations: 334 kB / 0.8422 GB, free: 5.809 MB / 0.5919 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0186/0.6929, allocations: 6.985 MB / 0.849 GB, free: 14.82 MB / 0.6075 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 0.04222/0.7351, allocations: 26.4 MB / 0.8748 GB, free: 2.234 MB / 0.6231 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009724/0.7449, allocations: 4.984 MB / 0.8797 GB, free: 12.96 MB / 0.6387 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006729/0.7516, allocations: 2.616 MB / 0.8822 GB, free: 10.32 MB / 0.6387 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003668/0.752, allocations: 131 kB / 0.8823 GB, free: 10.17 MB / 0.6387 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.171e-05/0.7521, allocations: 60.56 kB / 0.8824 GB, free: 10.1 MB / 0.6387 GB Notification: Performance of pre-optimization done (n=208): time 4.278e-06/0.7521, allocations: 0 / 0.8824 GB, free: 10.1 MB / 0.6387 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 0.1154/0.8676, allocations: 31.14 MB / 0.9128 GB, free: 10.9 MB / 0.67 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001592/0.8677, allocations: 247.6 kB / 0.913 GB, free: 10.61 MB / 0.67 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002378/0.8701, allocations: 1.404 MB / 0.9144 GB, free: 9.195 MB / 0.67 GB Notification: Performance of collectPreVariables (initialization): time 0.0004971/0.8706, allocations: 65.7 kB / 0.9145 GB, free: 9.125 MB / 0.67 GB Notification: Performance of collectInitialEqns (initialization): time 0.001326/0.872, allocations: 1.534 MB / 0.916 GB, free: 7.574 MB / 0.67 GB Notification: Performance of collectInitialBindings (initialization): time 0.00142/0.8734, allocations: 0.9644 MB / 0.9169 GB, free: 6.602 MB / 0.67 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001796/0.8752, allocations: 0.6321 MB / 0.9175 GB, free: 5.961 MB / 0.67 GB Notification: Performance of setup shared object (initialization): time 0.00014/0.8754, allocations: 301.1 kB / 0.9178 GB, free: 5.664 MB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006634/0.882, allocations: 2.678 MB / 0.9204 GB, free: 2.977 MB / 0.67 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007557/0.8896, allocations: 3.552 MB / 0.9239 GB, free: 15.04 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01495/0.9046, allocations: 6.387 MB / 0.9301 GB, free: 8.258 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.982e-05/0.9046, allocations: 8 kB / 0.9302 GB, free: 8.25 MB / 0.6856 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 0.03195/0.9366, allocations: 11 MB / 0.9409 GB, free: 13.14 MB / 0.7012 GB Notification: Performance of prepare postOptimizeDAE: time 4.43e-05/0.9366, allocations: 16 kB / 0.9409 GB, free: 13.13 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.89e-05/0.9367, allocations: 24 kB / 0.9409 GB, free: 13.11 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02115/0.9579, allocations: 5.466 MB / 0.9463 GB, free: 7.629 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004541/0.9624, allocations: 0.9828 MB / 0.9472 GB, free: 6.645 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04939/1.012, allocations: 28.18 MB / 0.9748 GB, free: 10.02 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004642/1.017, allocations: 0.5538 MB / 0.9753 GB, free: 9.461 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007012/1.017, allocations: 148 kB / 0.9754 GB, free: 9.316 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0096/1.027, allocations: 3.964 MB / 0.9793 GB, free: 5.344 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007927/1.035, allocations: 3.517 MB / 0.9827 GB, free: 1.449 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09514/1.13, allocations: 24.56 MB / 1.007 GB, free: 8.379 MB / 0.7637 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.997e-05/1.13, allocations: 8 kB / 1.007 GB, free: 8.371 MB / 0.7637 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 0.02838/1.158, allocations: 10.51 MB / 1.017 GB, free: 13.72 MB / 0.7794 GB Notification: Performance of prepare postOptimizeDAE: time 4.085e-05/1.159, allocations: 16 kB / 1.017 GB, free: 13.7 MB / 0.7794 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.621e-05/1.159, allocations: 31.94 kB / 1.017 GB, free: 13.67 MB / 0.7794 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01584/1.174, allocations: 4.239 MB / 1.021 GB, free: 9.418 MB / 0.7794 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0049/1.179, allocations: 1.026 MB / 1.022 GB, free: 8.391 MB / 0.7794 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04061/1.22, allocations: 27.12 MB / 1.049 GB, free: 12.55 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0045/1.225, allocations: 0.5383 MB / 1.049 GB, free: 12.01 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006315/1.225, allocations: 152 kB / 1.049 GB, free: 11.86 MB / 0.8106 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 0.001131/1.226, allocations: 403.2 kB / 1.05 GB, free: 11.46 MB / 0.8106 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007071/1.227, allocations: 202.7 kB / 1.05 GB, free: 11.26 MB / 0.8106 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 0.02855/1.256, allocations: 10.18 MB / 1.06 GB, free: 1.008 MB / 0.8106 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.391e-05/1.256, allocations: 28 kB / 1.06 GB, free: 0.9805 MB / 0.8106 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.486e-05/1.256, allocations: 12 kB / 1.06 GB, free: 0.9688 MB / 0.8106 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.663e-05/1.256, allocations: 15.95 kB / 1.06 GB, free: 0.9531 MB / 0.8106 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 0.03949/1.295, allocations: 16.24 MB / 1.076 GB, free: 476 kB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.122e-05/1.295, allocations: 8 kB / 1.076 GB, free: 468 kB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003557/1.299, allocations: 0.7336 MB / 1.076 GB, free: 15.72 MB / 0.8419 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01888/1.318, allocations: 5.107 MB / 1.081 GB, free: 10.6 MB / 0.8419 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005632/1.318, allocations: 75.95 kB / 1.082 GB, free: 10.53 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.4108/1.729, allocations: 27.23 MB / 1.108 GB, free: 267 MB / 0.8419 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.356e-06/1.729, allocations: 7.656 kB / 1.108 GB, free: 267 MB / 0.8419 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 0.02712/1.756, allocations: 10.11 MB / 1.118 GB, free: 263.9 MB / 0.8419 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001782/1.758, allocations: 0.7238 MB / 1.119 GB, free: 263.6 MB / 0.8419 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005638/1.759, allocations: 58.34 kB / 1.119 GB, free: 263.6 MB / 0.8419 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003581/1.762, allocations: 0.4967 MB / 1.119 GB, free: 263.5 MB / 0.8419 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008033/1.763, allocations: 234.7 kB / 1.119 GB, free: 263.5 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002609/1.763, allocations: 89.56 kB / 1.12 GB, free: 263.5 MB / 0.8419 GB Notification: Performance of sorting global known variables: time 0.001338/1.765, allocations: 0.9514 MB / 1.121 GB, free: 263.1 MB / 0.8419 GB Notification: Performance of sort global known variables: time 2.21e-07/1.765, allocations: 0 / 1.121 GB, free: 263.1 MB / 0.8419 GB Notification: Performance of remove unused functions: time 0.006368/1.771, allocations: 1.829 MB / 1.122 GB, free: 262.9 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 : 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 0.025/1.796, allocations: 10.76 MB / 1.133 GB, free: 259.2 MB / 0.8419 GB Notification: Performance of simCode: created initialization part: time 0.02853/1.825, allocations: 12.45 MB / 1.145 GB, free: 254.9 MB / 0.8419 GB Notification: Performance of simCode: created event and clocks part: time 1.22e-05/1.825, allocations: 0 / 1.145 GB, free: 254.9 MB / 0.8419 GB Notification: Performance of simCode: created simulation system equations: time 0.01006/1.835, allocations: 4.426 MB / 1.149 GB, free: 253.3 MB / 0.8419 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002767/1.838, allocations: 264.9 kB / 1.15 GB, free: 253.1 MB / 0.8419 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 0.08769/1.925, allocations: 41.62 MB / 1.19 GB, free: 214.5 MB / 0.8419 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003678/1.929, allocations: 2.838 MB / 1.193 GB, free: 211.6 MB / 0.8419 GB Notification: Performance of simCode: alias equations: time 0.00417/1.933, allocations: 1.643 MB / 1.195 GB, free: 210 MB / 0.8419 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001664/1.935, allocations: 1.202 MB / 1.196 GB, free: 208.8 MB / 0.8419 GB Notification: Performance of SimCode: time 7.42e-07/1.935, allocations: 4 kB / 1.196 GB, free: 208.8 MB / 0.8419 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1383/2.073, allocations: 102.1 MB / 1.295 GB, free: 107.3 MB / 0.8419 GB Notification: Performance of buildModelFMU: Generate platform static: time 16.26/18.33, allocations: 14.38 kB / 1.295 GB, free: 107.2 MB / 0.8419 GB (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file BuildingSystems_BuildingSystems.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 BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)