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 0.005027/0.005027, allocations: 95.98 kB / 15.73 MB, free: 6.039 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001302/0.001302, allocations: 200.9 kB / 16.68 MB, free: 5.969 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.424/1.424, allocations: 222.9 MB / 240.4 MB, free: 4.305 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002472/0.002472, allocations: 278.8 kB / 290.8 MB, free: 1.906 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.141/1.141, allocations: 178.6 MB / 0.5074 GB, free: 4.477 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002795/0.002795, allocations: 96.62 kB / 0.6944 GB, free: 3.492 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5016/0.5044, allocations: 89.14 MB / 0.7814 GB, free: 13.84 MB / 0.5606 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02458/0.529, allocations: 18.18 MB / 0.7992 GB, free: 1.734 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.01241/0.5415, allocations: 6.799 MB / 0.8058 GB, free: 12.55 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001568/0.5431, allocations: 56.09 kB / 0.8059 GB, free: 12.55 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.003802/0.5469, allocations: 1.466 MB / 0.8073 GB, free: 11.4 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.003586/0.5505, allocations: 1.425 MB / 0.8087 GB, free: 10.27 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.003239/0.5538, allocations: 1.262 MB / 0.8099 GB, free: 9.27 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.006259/0.5601, allocations: 5.445 MB / 0.8153 GB, free: 6.238 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008329/0.5684, allocations: 7.061 MB / 0.8221 GB, free: 3.066 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004241/0.5727, allocations: 2.352 MB / 0.8244 GB, free: 1.715 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005283/0.578, allocations: 2.954 MB / 0.8273 GB, free: 15.93 MB / 0.5919 GB Notification: Performance of NFPackage.collectConstants: time 0.001413/0.5794, allocations: 0.5123 MB / 0.8278 GB, free: 15.56 MB / 0.5919 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003114/0.5826, allocations: 1.26 MB / 0.8291 GB, free: 14.3 MB / 0.5919 GB Notification: Performance of NFScalarize.scalarize: time 0.003048/0.5856, allocations: 2.242 MB / 0.8312 GB, free: 12.05 MB / 0.5919 GB Notification: Performance of NFVerifyModel.verify: time 0.003326/0.589, allocations: 2.163 MB / 0.8334 GB, free: 9.883 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.01065/0.5996, allocations: 7.753 MB / 0.8409 GB, free: 2.109 MB / 0.5919 GB Notification: Performance of FrontEnd - DAE generated: time 5.771e-06/0.5997, allocations: 0 / 0.8409 GB, free: 2.109 MB / 0.5919 GB Notification: Performance of FrontEnd: time 1.844e-06/0.5997, allocations: 0 / 0.8409 GB, free: 2.109 MB / 0.5919 GB Notification: Performance of Transformations before backend: time 0.000192/0.5999, allocations: 0 / 0.8409 GB, free: 2.109 MB / 0.5919 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 0.009392/0.6093, allocations: 3.872 MB / 0.8447 GB, free: 14.17 MB / 0.6075 GB Notification: Performance of prepare preOptimizeDAE: time 4.513e-05/0.6093, allocations: 8.031 kB / 0.8447 GB, free: 14.16 MB / 0.6075 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0009775/0.6103, allocations: 0.5462 MB / 0.8453 GB, free: 13.61 MB / 0.6075 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01393/0.6243, allocations: 2.413 MB / 0.8476 GB, free: 11.19 MB / 0.6075 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005092/0.6294, allocations: 2.187 MB / 0.8497 GB, free: 8.961 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002382/0.6297, allocations: 271.2 kB / 0.85 GB, free: 8.695 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001012/0.6307, allocations: 351.8 kB / 0.8503 GB, free: 8.352 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01643/0.6471, allocations: 7.126 MB / 0.8573 GB, free: 1.121 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.685e-05/0.6472, allocations: 3.938 kB / 0.8573 GB, free: 1.117 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005145/0.6478, allocations: 148 kB / 0.8574 GB, free: 0.9727 MB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005077/0.6483, allocations: 334 kB / 0.8578 GB, free: 0.6445 MB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01869/0.667, allocations: 7.032 MB / 0.8646 GB, free: 9.602 MB / 0.6231 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 0.04248/0.7095, allocations: 26.46 MB / 0.8905 GB, free: 12.97 MB / 0.6544 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01036/0.7199, allocations: 4.992 MB / 0.8953 GB, free: 7.676 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00732/0.7272, allocations: 2.616 MB / 0.8979 GB, free: 5.039 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003458/0.7276, allocations: 131 kB / 0.898 GB, free: 4.895 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.59e-05/0.7277, allocations: 72.48 kB / 0.8981 GB, free: 4.812 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=208): time 4.468e-06/0.7277, allocations: 0 / 0.8981 GB, free: 4.812 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.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 0.1143/0.842, allocations: 31.13 MB / 0.9285 GB, free: 5.621 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.00016/0.8422, allocations: 239.6 kB / 0.9287 GB, free: 5.34 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00231/0.8445, allocations: 1.427 MB / 0.9301 GB, free: 3.902 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 0.0004871/0.845, allocations: 69.7 kB / 0.9302 GB, free: 3.828 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.001213/0.8462, allocations: 1.538 MB / 0.9317 GB, free: 2.273 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.001195/0.8474, allocations: 0.9644 MB / 0.9326 GB, free: 1.301 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001245/0.8487, allocations: 0.636 MB / 0.9332 GB, free: 0.6562 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 0.0001528/0.8488, allocations: 305.1 kB / 0.9335 GB, free: 364 kB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006778/0.8557, allocations: 2.694 MB / 0.9362 GB, free: 13.65 MB / 0.7012 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00764/0.8633, allocations: 3.571 MB / 0.9397 GB, free: 9.699 MB / 0.7012 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01484/0.8782, allocations: 6.406 MB / 0.9459 GB, free: 2.895 MB / 0.7012 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.517e-05/0.8782, allocations: 8 kB / 0.9459 GB, free: 2.887 MB / 0.7012 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 0.03232/0.9106, allocations: 11.04 MB / 0.9567 GB, free: 7.746 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 4.248e-05/0.9106, allocations: 16 kB / 0.9567 GB, free: 7.73 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.822e-05/0.9107, allocations: 28 kB / 0.9567 GB, free: 7.703 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02206/0.9328, allocations: 5.54 MB / 0.9621 GB, free: 2.145 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004803/0.9376, allocations: 0.9906 MB / 0.9631 GB, free: 1.152 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04893/0.9866, allocations: 28.21 MB / 0.9907 GB, free: 4.496 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004963/0.9916, allocations: 0.5694 MB / 0.9912 GB, free: 3.926 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000664/0.9923, allocations: 155.9 kB / 0.9914 GB, free: 3.773 MB / 0.7481 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009847/1.002, allocations: 3.984 MB / 0.9953 GB, free: 15.78 MB / 0.7637 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.01104/1.013, allocations: 3.54 MB / 0.9987 GB, free: 11.86 MB / 0.7637 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09777/1.111, allocations: 24.64 MB / 1.023 GB, free: 2.711 MB / 0.7794 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.377e-05/1.111, allocations: 8 kB / 1.023 GB, free: 2.703 MB / 0.7794 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 0.02966/1.141, allocations: 10.54 MB / 1.033 GB, free: 8.008 MB / 0.795 GB Notification: Performance of prepare postOptimizeDAE: time 4.006e-05/1.141, allocations: 20 kB / 1.033 GB, free: 7.988 MB / 0.795 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.771e-05/1.141, allocations: 28 kB / 1.033 GB, free: 7.961 MB / 0.795 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01673/1.158, allocations: 4.326 MB / 1.037 GB, free: 3.621 MB / 0.795 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004915/1.163, allocations: 1.037 MB / 1.038 GB, free: 2.582 MB / 0.795 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04073/1.203, allocations: 27.12 MB / 1.065 GB, free: 6.738 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004803/1.208, allocations: 0.5538 MB / 1.065 GB, free: 6.184 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005261/1.209, allocations: 151.9 kB / 1.066 GB, free: 6.035 MB / 0.8262 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 0.0009878/1.21, allocations: 391.9 kB / 1.066 GB, free: 5.645 MB / 0.8262 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006505/1.21, allocations: 206.7 kB / 1.066 GB, free: 5.441 MB / 0.8262 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 0.415/1.625, allocations: 10.17 MB / 1.076 GB, free: 253.2 MB / 0.8262 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.919e-05/1.625, allocations: 28.06 kB / 1.076 GB, free: 253.2 MB / 0.8262 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.645e-05/1.626, allocations: 12.81 kB / 1.076 GB, free: 253.2 MB / 0.8262 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.721e-05/1.626, allocations: 17.73 kB / 1.076 GB, free: 253.2 MB / 0.8262 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 0.03899/1.665, allocations: 16.27 MB / 1.092 GB, free: 249.1 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.546e-05/1.665, allocations: 7.75 kB / 1.092 GB, free: 249.1 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003674/1.668, allocations: 0.7356 MB / 1.093 GB, free: 249.1 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01849/1.687, allocations: 5.179 MB / 1.098 GB, free: 248.1 MB / 0.8262 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006078/1.688, allocations: 80.8 kB / 1.098 GB, free: 248.1 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03538/1.723, allocations: 27.27 MB / 1.124 GB, free: 229.9 MB / 0.8262 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.913e-06/1.723, allocations: 11.66 kB / 1.124 GB, free: 229.9 MB / 0.8262 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 0.02292/1.746, allocations: 10.1 MB / 1.134 GB, free: 223.1 MB / 0.8262 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001454/1.747, allocations: 0.731 MB / 1.135 GB, free: 222.4 MB / 0.8262 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006351/1.748, allocations: 55.98 kB / 1.135 GB, free: 222.4 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003578/1.752, allocations: 0.5031 MB / 1.136 GB, free: 221.9 MB / 0.8262 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007279/1.752, allocations: 226.3 kB / 1.136 GB, free: 221.7 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002739/1.753, allocations: 91.95 kB / 1.136 GB, free: 221.6 MB / 0.8262 GB Notification: Performance of sorting global known variables: time 0.001728/1.754, allocations: 0.9782 MB / 1.137 GB, free: 220.6 MB / 0.8262 GB Notification: Performance of sort global known variables: time 4.1e-07/1.754, allocations: 0 / 1.137 GB, free: 220.6 MB / 0.8262 GB Notification: Performance of remove unused functions: time 0.008394/1.763, allocations: 1.846 MB / 1.139 GB, free: 218.8 MB / 0.8262 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 0.02433/1.787, allocations: 10.76 MB / 1.149 GB, free: 207.7 MB / 0.8262 GB Notification: Performance of simCode: created initialization part: time 0.02637/1.814, allocations: 12.48 MB / 1.161 GB, free: 195.2 MB / 0.8262 GB Notification: Performance of simCode: created event and clocks part: time 1.51e-05/1.814, allocations: 4 kB / 1.161 GB, free: 195.2 MB / 0.8262 GB Notification: Performance of simCode: created simulation system equations: time 0.009842/1.823, allocations: 4.438 MB / 1.166 GB, free: 190.7 MB / 0.8262 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002479/1.826, allocations: 264.5 kB / 1.166 GB, free: 190.4 MB / 0.8262 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 0.08845/1.914, allocations: 41.73 MB / 1.207 GB, free: 147.4 MB / 0.8262 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003954/1.918, allocations: 2.84 MB / 1.209 GB, free: 144.6 MB / 0.8262 GB Notification: Performance of simCode: alias equations: time 0.003916/1.922, allocations: 1.654 MB / 1.211 GB, free: 142.9 MB / 0.8262 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001589/1.924, allocations: 1.206 MB / 1.212 GB, free: 141.7 MB / 0.8262 GB Notification: Performance of SimCode: time 8.32e-07/1.924, allocations: 0 / 1.212 GB, free: 141.7 MB / 0.8262 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1385/2.063, allocations: 102.5 MB / 1.312 GB, free: 39.64 MB / 0.8262 GB Notification: Performance of buildModelFMU: Generate platform static: time 16.27/18.33, allocations: 14 kB / 1.312 GB, free: 39.64 MB / 0.8262 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)