Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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/Buildings 9.1.3-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/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(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_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 0.005081/0.005081, allocations: 103.5 kB / 15.74 MB, free: 6.488 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001212/0.001213, allocations: 195.2 kB / 16.68 MB, free: 6.375 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.338/1.338, allocations: 222.9 MB / 240.4 MB, free: 4.324 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.309/2.309, allocations: 390.2 MB / 0.6648 GB, free: 220 kB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.001322/0.001322, allocations: 68.27 kB / 0.9505 GB, free: 5.887 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2491/0.2505, allocations: 140.4 MB / 1.088 GB, free: 1.938 MB / 0.8419 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.0217/0.2722, allocations: 18.26 MB / 1.105 GB, free: 15.6 MB / 0.8731 GB Notification: Performance of NFInst.instExpressions: time 0.01126/0.2835, allocations: 6.824 MB / 1.112 GB, free: 8.758 MB / 0.8731 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001582/0.2851, allocations: 55.88 kB / 1.112 GB, free: 8.703 MB / 0.8731 GB Notification: Performance of NFTyping.typeComponents: time 0.003957/0.2892, allocations: 1.463 MB / 1.114 GB, free: 7.234 MB / 0.8731 GB Notification: Performance of NFTyping.typeBindings: time 0.003673/0.2928, allocations: 1.424 MB / 1.115 GB, free: 5.805 MB / 0.8731 GB Notification: Performance of NFTyping.typeClassSections: time 0.003173/0.296, allocations: 1.272 MB / 1.116 GB, free: 4.531 MB / 0.8731 GB Notification: Performance of NFFlatten.flatten: time 0.005585/0.3016, allocations: 5.465 MB / 1.122 GB, free: 15.05 MB / 0.8887 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008274/0.3099, allocations: 7.107 MB / 1.128 GB, free: 7.84 MB / 0.8887 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003461/0.3134, allocations: 2.369 MB / 1.131 GB, free: 5.465 MB / 0.8887 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004442/0.3179, allocations: 2.972 MB / 1.134 GB, free: 2.484 MB / 0.8887 GB Notification: Performance of NFPackage.collectConstants: time 0.001467/0.3194, allocations: 0.5117 MB / 1.134 GB, free: 1.973 MB / 0.8887 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003181/0.3225, allocations: 1.272 MB / 1.135 GB, free: 0.6992 MB / 0.8887 GB Notification: Performance of NFScalarize.scalarize: time 0.003077/0.3256, allocations: 2.254 MB / 1.138 GB, free: 14.44 MB / 0.9044 GB Notification: Performance of NFVerifyModel.verify: time 0.003821/0.3295, allocations: 2.187 MB / 1.14 GB, free: 12.25 MB / 0.9044 GB Notification: Performance of NFConvertDAE.convert: time 0.008659/0.3382, allocations: 7.772 MB / 1.147 GB, free: 4.453 MB / 0.9044 GB Notification: Performance of FrontEnd - DAE generated: time 4.559e-06/0.3382, allocations: 0 / 1.147 GB, free: 4.453 MB / 0.9044 GB Notification: Performance of FrontEnd: time 1.653e-06/0.3382, allocations: 4 kB / 1.147 GB, free: 4.449 MB / 0.9044 GB Notification: Performance of Transformations before backend: time 0.0001908/0.3384, allocations: 0 / 1.147 GB, free: 4.449 MB / 0.9044 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 0.009503/0.3479, allocations: 3.831 MB / 1.151 GB, free: 0.5586 MB / 0.9044 GB Notification: Performance of prepare preOptimizeDAE: time 4.563e-05/0.348, allocations: 11.97 kB / 1.151 GB, free: 0.5469 MB / 0.9044 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0009631/0.3489, allocations: 0.5504 MB / 1.152 GB, free: 15.98 MB / 0.92 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0131/0.3621, allocations: 2.407 MB / 1.154 GB, free: 13.57 MB / 0.92 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005293/0.3674, allocations: 2.19 MB / 1.156 GB, free: 11.34 MB / 0.92 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002307/0.3676, allocations: 271.3 kB / 1.156 GB, free: 11.07 MB / 0.92 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001197/0.3688, allocations: 351.9 kB / 1.157 GB, free: 10.73 MB / 0.92 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01652/0.3854, allocations: 7.163 MB / 1.164 GB, free: 3.469 MB / 0.92 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.000123/0.3855, allocations: 7.938 kB / 1.164 GB, free: 3.461 MB / 0.92 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009238/0.3865, allocations: 148 kB / 1.164 GB, free: 3.316 MB / 0.92 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004793/0.387, allocations: 334.1 kB / 1.164 GB, free: 2.988 MB / 0.92 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01671/0.4037, allocations: 7.047 MB / 1.171 GB, free: 11.93 MB / 0.9356 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 0.03444/0.4382, allocations: 26.55 MB / 1.197 GB, free: 15.2 MB / 0.9669 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008724/0.4469, allocations: 4.984 MB / 1.202 GB, free: 9.902 MB / 0.9669 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006122/0.4531, allocations: 2.616 MB / 1.204 GB, free: 7.266 MB / 0.9669 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002969/0.4534, allocations: 127 kB / 1.205 GB, free: 7.125 MB / 0.9669 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.653e-05/0.4535, allocations: 68.48 kB / 1.205 GB, free: 7.047 MB / 0.9669 GB Notification: Performance of pre-optimization done (n=208): time 5.019e-06/0.4535, allocations: 4 kB / 1.205 GB, free: 7.043 MB / 0.9669 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 0.1086/0.5621, allocations: 30.97 MB / 1.235 GB, free: 7.98 MB / 0.9981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001294/0.5623, allocations: 239.6 kB / 1.235 GB, free: 7.699 MB / 0.9981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002645/0.565, allocations: 1.477 MB / 1.237 GB, free: 6.215 MB / 0.9981 GB Notification: Performance of collectPreVariables (initialization): time 0.0006232/0.5656, allocations: 69.7 kB / 1.237 GB, free: 6.141 MB / 0.9981 GB Notification: Performance of collectInitialEqns (initialization): time 0.001054/0.5667, allocations: 1.493 MB / 1.238 GB, free: 4.625 MB / 0.9981 GB Notification: Performance of collectInitialBindings (initialization): time 0.001103/0.5678, allocations: 0.932 MB / 1.239 GB, free: 3.68 MB / 0.9981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001581/0.5694, allocations: 0.6279 MB / 1.24 GB, free: 3.043 MB / 0.9981 GB Notification: Performance of setup shared object (initialization): time 0.0001073/0.5695, allocations: 309.1 kB / 1.24 GB, free: 2.738 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006176/0.5757, allocations: 2.69 MB / 1.242 GB, free: 40 kB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006928/0.5826, allocations: 3.567 MB / 1.246 GB, free: 12.09 MB / 1.014 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01327/0.5959, allocations: 6.399 MB / 1.252 GB, free: 5.297 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.064e-05/0.596, allocations: 12 kB / 1.252 GB, free: 5.285 MB / 1.014 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 0.5072/1.103, allocations: 11.02 MB / 1.263 GB, free: 153.8 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 4.461e-05/1.103, allocations: 20.84 kB / 1.263 GB, free: 153.8 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.259e-05/1.103, allocations: 26.59 kB / 1.263 GB, free: 153.8 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0217/1.125, allocations: 5.533 MB / 1.268 GB, free: 153.4 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004416/1.13, allocations: 0.9953 MB / 1.269 GB, free: 153.4 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04072/1.17, allocations: 28.18 MB / 1.297 GB, free: 139.1 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004525/1.175, allocations: 0.5692 MB / 1.297 GB, free: 139 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005598/1.175, allocations: 158 kB / 1.298 GB, free: 139 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007797/1.183, allocations: 3.978 MB / 1.302 GB, free: 137.2 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005812/1.189, allocations: 3.535 MB / 1.305 GB, free: 134.7 MB / 1.014 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08261/1.272, allocations: 24.62 MB / 1.329 GB, free: 117 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.822e-05/1.272, allocations: 8 kB / 1.329 GB, free: 117 MB / 1.014 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 0.02395/1.296, allocations: 10.53 MB / 1.339 GB, free: 106.4 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 3.271e-05/1.296, allocations: 16 kB / 1.339 GB, free: 106.4 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.492e-05/1.296, allocations: 27.98 kB / 1.339 GB, free: 106.4 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01413/1.31, allocations: 4.32 MB / 1.344 GB, free: 102 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004279/1.314, allocations: 1.037 MB / 1.345 GB, free: 101 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02853/1.343, allocations: 27.13 MB / 1.371 GB, free: 73.18 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00443/1.347, allocations: 0.5648 MB / 1.372 GB, free: 72.62 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005444/1.348, allocations: 155.9 kB / 1.372 GB, free: 72.47 MB / 1.014 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 0.001065/1.349, allocations: 395.3 kB / 1.372 GB, free: 72.09 MB / 1.014 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006512/1.35, allocations: 197.7 kB / 1.372 GB, free: 71.9 MB / 1.014 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 0.02464/1.374, allocations: 10.17 MB / 1.382 GB, free: 61.66 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.802e-05/1.374, allocations: 35.94 kB / 1.382 GB, free: 61.62 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.723e-05/1.374, allocations: 12 kB / 1.382 GB, free: 61.61 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.326e-05/1.374, allocations: 19.94 kB / 1.382 GB, free: 61.59 MB / 1.014 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 0.03296/1.407, allocations: 16.26 MB / 1.398 GB, free: 45.15 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.164e-05/1.408, allocations: 9 kB / 1.398 GB, free: 45.14 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003182/1.411, allocations: 0.741 MB / 1.399 GB, free: 44.4 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01687/1.428, allocations: 5.169 MB / 1.404 GB, free: 39.21 MB / 1.014 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005117/1.428, allocations: 71.89 kB / 1.404 GB, free: 39.14 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03401/1.462, allocations: 27.25 MB / 1.431 GB, free: 11.42 MB / 1.014 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.047e-06/1.462, allocations: 19.97 kB / 1.431 GB, free: 11.4 MB / 1.014 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 0.02411/1.486, allocations: 10.09 MB / 1.441 GB, free: 1.066 MB / 1.014 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001794/1.488, allocations: 0.733 MB / 1.441 GB, free: 324 kB / 1.014 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004971/1.489, allocations: 63.98 kB / 1.441 GB, free: 260 kB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003735/1.492, allocations: 0.4992 MB / 1.442 GB, free: 15.75 MB / 1.029 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008319/1.493, allocations: 226.3 kB / 1.442 GB, free: 15.53 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002747/1.494, allocations: 99.94 kB / 1.442 GB, free: 15.43 MB / 1.029 GB Notification: Performance of sorting global known variables: time 0.001538/1.495, allocations: 1.001 MB / 1.443 GB, free: 14.43 MB / 1.029 GB Notification: Performance of sort global known variables: time 3.11e-07/1.495, allocations: 0 / 1.443 GB, free: 14.43 MB / 1.029 GB Notification: Performance of remove unused functions: time 0.006633/1.502, allocations: 1.852 MB / 1.445 GB, free: 12.58 MB / 1.029 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 0.02703/1.529, allocations: 10.77 MB / 1.455 GB, free: 1.551 MB / 1.029 GB Notification: Performance of simCode: created initialization part: time 0.03031/1.559, allocations: 12.45 MB / 1.468 GB, free: 5.008 MB / 1.045 GB Notification: Performance of simCode: created event and clocks part: time 1.123e-05/1.559, allocations: 0 / 1.468 GB, free: 5.008 MB / 1.045 GB Notification: Performance of simCode: created simulation system equations: time 0.01099/1.57, allocations: 4.425 MB / 1.472 GB, free: 0.543 MB / 1.045 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002522/1.573, allocations: 286 kB / 1.472 GB, free: 276 kB / 1.045 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. 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.conv1.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.conv1.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 0.1019/1.675, allocations: 42.39 MB / 1.514 GB, free: 4.598 MB / 1.092 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004112/1.679, allocations: 2.856 MB / 1.516 GB, free: 1.707 MB / 1.092 GB Notification: Performance of simCode: alias equations: time 0.004845/1.684, allocations: 1.661 MB / 1.518 GB, free: 44 kB / 1.092 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002229/1.686, allocations: 1.225 MB / 1.519 GB, free: 14.83 MB / 1.107 GB Notification: Performance of SimCode: time 7.92e-07/1.686, allocations: 0 / 1.519 GB, free: 14.83 MB / 1.107 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1636/1.85, allocations: 103.4 MB / 1.62 GB, free: 7.844 MB / 1.201 GB Notification: Performance of buildModelFMU: Generate platform static: time 15.98/17.83, allocations: 4.812 kB / 1.62 GB, free: 7.84 MB / 1.201 GB (rm -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)