Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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.UnbalancedStepUp.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_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 0.001672/0.001672, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001906/0.001906, allocations: 194.9 kB / 16.53 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.589/1.589, allocations: 222.9 MB / 240.2 MB, free: 4.25 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002479/0.002479, allocations: 282.7 kB / 290.7 MB, free: 1.859 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.144/1.144, allocations: 178.6 MB / 0.5073 GB, free: 4.57 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.00265/0.00265, allocations: 105.7 kB / 0.6066 GB, free: 24.71 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1551/0.1578, allocations: 89.15 MB / 0.6936 GB, free: 4.152 MB / 494.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02366/0.1814, allocations: 18.25 MB / 0.7115 GB, free: 1.844 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.01188/0.1933, allocations: 6.862 MB / 0.7182 GB, free: 10.97 MB / 0.5137 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001502/0.1949, allocations: 55.88 kB / 0.7182 GB, free: 10.92 MB / 0.5137 GB Notification: Performance of NFTyping.typeComponents: time 0.004157/0.1991, allocations: 1.473 MB / 0.7197 GB, free: 9.441 MB / 0.5137 GB Notification: Performance of NFTyping.typeBindings: time 0.005163/0.2043, allocations: 1.447 MB / 0.7211 GB, free: 7.988 MB / 0.5137 GB Notification: Performance of NFTyping.typeClassSections: time 0.003935/0.2082, allocations: 1.273 MB / 0.7223 GB, free: 6.715 MB / 0.5137 GB Notification: Performance of NFFlatten.flatten: time 0.007382/0.2156, allocations: 5.472 MB / 0.7277 GB, free: 1.23 MB / 0.5137 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01113/0.2268, allocations: 7.233 MB / 0.7347 GB, free: 9.891 MB / 0.5294 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00401/0.2309, allocations: 2.373 MB / 0.737 GB, free: 7.512 MB / 0.5294 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005367/0.2363, allocations: 2.961 MB / 0.7399 GB, free: 4.543 MB / 0.5294 GB Notification: Performance of NFPackage.collectConstants: time 0.001878/0.2382, allocations: 0.5117 MB / 0.7404 GB, free: 4.031 MB / 0.5294 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003629/0.2418, allocations: 1.279 MB / 0.7417 GB, free: 2.75 MB / 0.5294 GB Notification: Performance of NFScalarize.scalarize: time 0.003483/0.2453, allocations: 2.246 MB / 0.7439 GB, free: 0.5 MB / 0.5294 GB Notification: Performance of NFVerifyModel.verify: time 0.003632/0.249, allocations: 2.187 MB / 0.746 GB, free: 14.3 MB / 0.545 GB Notification: Performance of NFConvertDAE.convert: time 0.009247/0.2583, allocations: 7.736 MB / 0.7536 GB, free: 6.547 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 6.332e-06/0.2583, allocations: 4 kB / 0.7536 GB, free: 6.543 MB / 0.545 GB Notification: Performance of FrontEnd: time 1.472e-06/0.2583, allocations: 0 / 0.7536 GB, free: 6.543 MB / 0.545 GB Notification: Performance of Transformations before backend: time 0.0001997/0.2585, allocations: 0 / 0.7536 GB, free: 6.543 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: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.009741/0.2683, allocations: 3.831 MB / 0.7573 GB, free: 2.652 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 5.058e-05/0.2683, allocations: 8.031 kB / 0.7573 GB, free: 2.645 MB / 0.545 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001054/0.2694, allocations: 0.5426 MB / 0.7578 GB, free: 2.094 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.2913/0.5607, allocations: 2.412 MB / 0.7602 GB, free: 61.82 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005229/0.566, allocations: 2.164 MB / 0.7623 GB, free: 61.29 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002778/0.5663, allocations: 272.9 kB / 0.7626 GB, free: 61.17 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001417/0.5677, allocations: 351.5 kB / 0.7629 GB, free: 61.06 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01609/0.5838, allocations: 7.147 MB / 0.7699 GB, free: 58.7 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.628e-05/0.5839, allocations: 10.91 kB / 0.7699 GB, free: 58.7 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004922/0.5844, allocations: 151.4 kB / 0.77 GB, free: 58.59 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005956/0.585, allocations: 331.7 kB / 0.7704 GB, free: 58.55 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.018/0.603, allocations: 7.046 MB / 0.7772 GB, free: 56.55 MB / 0.545 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03214/0.6352, allocations: 26.69 MB / 0.8033 GB, free: 34.78 MB / 0.545 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007541/0.6428, allocations: 4.988 MB / 0.8082 GB, free: 31.38 MB / 0.545 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005611/0.6484, allocations: 2.605 MB / 0.8107 GB, free: 30.09 MB / 0.545 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002343/0.6487, allocations: 130 kB / 0.8108 GB, free: 29.98 MB / 0.545 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.165e-05/0.6487, allocations: 61.47 kB / 0.8109 GB, free: 29.91 MB / 0.545 GB Notification: Performance of pre-optimization done (n=208): time 3.957e-06/0.6488, allocations: 1.031 kB / 0.8109 GB, free: 29.91 MB / 0.545 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.09745/0.7462, allocations: 30.94 MB / 0.8411 GB, free: 1.562 MB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.434e-05/0.7463, allocations: 235.6 kB / 0.8413 GB, free: 1.285 MB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001838/0.7482, allocations: 1.469 MB / 0.8428 GB, free: 15.81 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 0.0004886/0.7487, allocations: 73.7 kB / 0.8428 GB, free: 15.73 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.001111/0.7498, allocations: 1.5 MB / 0.8443 GB, free: 14.22 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.001259/0.7511, allocations: 0.9221 MB / 0.8452 GB, free: 13.3 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001255/0.7523, allocations: 0.6319 MB / 0.8458 GB, free: 12.66 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 0.0001356/0.7525, allocations: 301.1 kB / 0.8461 GB, free: 12.37 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006451/0.7589, allocations: 2.69 MB / 0.8487 GB, free: 9.668 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007211/0.7661, allocations: 3.567 MB / 0.8522 GB, free: 5.719 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01397/0.7801, allocations: 6.39 MB / 0.8585 GB, free: 14.93 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.003e-05/0.7802, allocations: 8 kB / 0.8585 GB, free: 14.93 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.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.031/0.8112, allocations: 11 MB / 0.8692 GB, free: 3.836 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 4.421e-05/0.8113, allocations: 16 kB / 0.8692 GB, free: 3.82 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.729e-05/0.8113, allocations: 31.94 kB / 0.8693 GB, free: 3.789 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02149/0.8328, allocations: 5.576 MB / 0.8747 GB, free: 14.2 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004604/0.8375, allocations: 0.9945 MB / 0.8757 GB, free: 13.2 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04753/0.885, allocations: 28.2 MB / 0.9032 GB, free: 0.5781 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00472/0.8898, allocations: 0.5731 MB / 0.9038 GB, free: 4 kB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005852/0.8904, allocations: 155.9 kB / 0.9039 GB, free: 15.85 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009075/0.8995, allocations: 3.987 MB / 0.9078 GB, free: 11.86 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007274/0.9068, allocations: 3.524 MB / 0.9113 GB, free: 7.953 MB / 0.6231 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09285/0.9997, allocations: 24.67 MB / 0.9353 GB, free: 14.78 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.253e-05/0.9997, allocations: 8 kB / 0.9353 GB, free: 14.77 MB / 0.6544 GB Warning: The linear system: 1 : transformer.conv1.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v1_n[2] ; line2.v1_p[2] ; line2.v3_p[2] ; line2.v3_n[2] ] = [ -transformer.conv1.V2[2] ; line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ; -loadRL.load3.v[2] ; line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1] ] might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ] = [ -loadRL.load1.v[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02804/1.028, allocations: 10.53 MB / 0.9456 GB, free: 4.098 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 4.108e-05/1.028, allocations: 20.09 kB / 0.9457 GB, free: 4.078 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.069e-05/1.028, allocations: 24 kB / 0.9457 GB, free: 4.055 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01635/1.044, allocations: 4.338 MB / 0.9499 GB, free: 15.7 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004834/1.049, allocations: 1.037 MB / 0.9509 GB, free: 14.66 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03835/1.088, allocations: 27.14 MB / 0.9774 GB, free: 2.797 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004603/1.092, allocations: 0.5537 MB / 0.978 GB, free: 2.242 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004396/1.093, allocations: 155.9 kB / 0.9781 GB, free: 2.09 MB / 0.6856 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i1[2]) - line2.i2[2] - line2.i3[2] 0.0 = (-line2.i1[1]) - line2.i2[1] - line2.i3[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 0.0009136/1.094, allocations: 399.4 kB / 0.9785 GB, free: 1.695 MB / 0.6856 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000606/1.094, allocations: 205.5 kB / 0.9787 GB, free: 1.492 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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02833/1.122, allocations: 10.16 MB / 0.9886 GB, free: 7.258 MB / 0.7012 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.043e-05/1.123, allocations: 28 kB / 0.9887 GB, free: 7.23 MB / 0.7012 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.735e-05/1.123, allocations: 12 kB / 0.9887 GB, free: 7.219 MB / 0.7012 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.064e-05/1.123, allocations: 23.83 kB / 0.9887 GB, free: 7.195 MB / 0.7012 GB Warning: The linear system: 1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ; line2.v2_p[1] ] = [ line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03767/1.16, allocations: 16.35 MB / 1.005 GB, free: 6.613 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.15e-05/1.16, allocations: 8 kB / 1.005 GB, free: 6.605 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003586/1.164, allocations: 0.7376 MB / 1.005 GB, free: 5.867 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01935/1.183, allocations: 5.193 MB / 1.01 GB, free: 0.6602 MB / 0.7169 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004691/1.184, allocations: 75.95 kB / 1.011 GB, free: 0.5859 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.043/1.227, allocations: 27.23 MB / 1.037 GB, free: 4.859 MB / 0.7481 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.193e-05/1.227, allocations: 12.08 kB / 1.037 GB, free: 4.848 MB / 0.7481 GB Warning: The linear system: 1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ] = [ line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.3256/1.552, allocations: 10.13 MB / 1.047 GB, free: 244.8 MB / 0.7481 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001773/1.554, allocations: 0.7213 MB / 1.048 GB, free: 244.7 MB / 0.7481 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004784/1.555, allocations: 53.34 kB / 1.048 GB, free: 244.7 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003801/1.559, allocations: 0.511 MB / 1.048 GB, free: 244.7 MB / 0.7481 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007937/1.559, allocations: 228.6 kB / 1.048 GB, free: 244.7 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002357/1.56, allocations: 93.64 kB / 1.049 GB, free: 244.7 MB / 0.7481 GB Notification: Performance of sorting global known variables: time 0.001653/1.561, allocations: 1.001 MB / 1.05 GB, free: 244.6 MB / 0.7481 GB Notification: Performance of sort global known variables: time 2.71e-07/1.561, allocations: 1 kB / 1.05 GB, free: 244.6 MB / 0.7481 GB Notification: Performance of remove unused functions: time 0.006469/1.568, allocations: 1.855 MB / 1.051 GB, free: 244.6 MB / 0.7481 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (165): * Single equations (assignments): 162 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(10,44,70.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Warning: The linear system: 1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ] = [ line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of Backend phase and start with SimCode phase: time 0.02644/1.594, allocations: 10.8 MB / 1.062 GB, free: 242.8 MB / 0.7481 GB Notification: Performance of simCode: created initialization part: time 0.03276/1.627, allocations: 14.38 MB / 1.076 GB, free: 238.6 MB / 0.7481 GB Notification: Performance of simCode: created event and clocks part: time 1.575e-05/1.627, allocations: 0 / 1.076 GB, free: 238.6 MB / 0.7481 GB Notification: Performance of simCode: created simulation system equations: time 0.009743/1.637, allocations: 4.384 MB / 1.08 GB, free: 237.1 MB / 0.7481 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002174/1.639, allocations: 295 kB / 1.081 GB, free: 236.9 MB / 0.7481 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.08567/1.725, allocations: 44.16 MB / 1.124 GB, free: 200 MB / 0.7481 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002427/1.727, allocations: 2.855 MB / 1.126 GB, free: 197.1 MB / 0.7481 GB Notification: Performance of simCode: alias equations: time 0.004662/1.732, allocations: 1.658 MB / 1.128 GB, free: 195.5 MB / 0.7481 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001444/1.733, allocations: 1.226 MB / 1.129 GB, free: 194.3 MB / 0.7481 GB Notification: Performance of SimCode: time 9.02e-07/1.733, allocations: 4 kB / 1.129 GB, free: 194.3 MB / 0.7481 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1438/1.877, allocations: 102.2 MB / 1.229 GB, free: 92.68 MB / 0.7481 GB Notification: Performance of buildModelFMU: Generate platform static: time 13.47/15.35, allocations: 9.375 kB / 1.229 GB, free: 92.67 MB / 0.7481 GB (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & python3 -m fmpy simulate --output-file BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)