Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.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/Buildings 11.1.0-maint.11.x/package.mo", uses=false) Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.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: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0076/0.0076, allocations: 100.8 kB / 15.73 MB, free: 6.043 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001617/0.001617, allocations: 202.4 kB / 16.68 MB, free: 5.965 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.386/1.386, allocations: 222.9 MB / 240.4 MB, free: 4.164 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.755/2.755, allocations: 469.8 MB / 0.7425 GB, free: 7.34 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.00146/0.00146, allocations: 63.89 kB / 1.065 GB, free: 12.88 MB / 0.8262 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3552/0.3566, allocations: 159.1 MB / 1.221 GB, free: 13.63 MB / 0.9825 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02248/0.3791, allocations: 18.23 MB / 1.239 GB, free: 11.33 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.0116/0.3907, allocations: 6.815 MB / 1.245 GB, free: 4.496 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001723/0.3924, allocations: 55.88 kB / 1.245 GB, free: 4.441 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.003942/0.3963, allocations: 1.474 MB / 1.247 GB, free: 2.961 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.003939/0.4003, allocations: 1.443 MB / 1.248 GB, free: 1.512 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.003445/0.4037, allocations: 1.271 MB / 1.249 GB, free: 248 kB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.7238/1.128, allocations: 5.44 MB / 1.255 GB, free: 9.035 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005772/1.133, allocations: 5.131 MB / 1.26 GB, free: 8.375 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004937/1.138, allocations: 2.365 MB / 1.262 GB, free: 8.246 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.007008/1.145, allocations: 2.954 MB / 1.265 GB, free: 8 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.002686/1.148, allocations: 0.5113 MB / 1.265 GB, free: 8 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004394/1.152, allocations: 1.254 MB / 1.267 GB, free: 8 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.004516/1.157, allocations: 2.296 MB / 1.269 GB, free: 7.812 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.005257/1.162, allocations: 2.174 MB / 1.271 GB, free: 7.301 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.01211/1.174, allocations: 7.739 MB / 1.279 GB, free: 6.375 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 6.042e-06/1.174, allocations: 1.312 kB / 1.279 GB, free: 6.375 MB / 0.9981 GB Notification: Performance of FrontEnd: time 1.743e-06/1.174, allocations: 4 kB / 1.279 GB, free: 6.371 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 0.0002541/1.174, allocations: 0 / 1.279 GB, free: 6.371 MB / 0.9981 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 0.01261/1.187, allocations: 3.873 MB / 1.282 GB, free: 4.227 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 4.4e-05/1.187, allocations: 9.75 kB / 1.282 GB, free: 4.227 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01326/1.2, allocations: 2.42 MB / 1.285 GB, free: 3.953 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006366/1.207, allocations: 2.191 MB / 1.287 GB, free: 2.945 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.00027/1.207, allocations: 262.8 kB / 1.287 GB, free: 2.836 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00226/1.209, allocations: 348.4 kB / 1.287 GB, free: 2.73 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02205/1.231, allocations: 7.129 MB / 1.294 GB, free: 376 kB / 0.9981 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001001/1.231, allocations: 7.141 kB / 1.294 GB, free: 376 kB / 0.9981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006522/1.232, allocations: 144.4 kB / 1.295 GB, free: 272 kB / 0.9981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006356/1.233, allocations: 336.7 kB / 1.295 GB, free: 228 kB / 0.9981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02417/1.257, allocations: 7.309 MB / 1.302 GB, free: 15.33 MB / 1.014 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 0.04819/1.305, allocations: 26.47 MB / 1.328 GB, free: 9.828 MB / 1.029 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009419/1.315, allocations: 4.866 MB / 1.333 GB, free: 6.504 MB / 1.029 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006619/1.321, allocations: 2.536 MB / 1.335 GB, free: 5.211 MB / 1.029 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004627/1.322, allocations: 133.8 kB / 1.335 GB, free: 5.098 MB / 1.029 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.024e-05/1.322, allocations: 62.28 kB / 1.335 GB, free: 5.043 MB / 1.029 GB Notification: Performance of pre-optimization done (n=208): time 7.614e-06/1.322, allocations: 3.984 kB / 1.335 GB, free: 5.039 MB / 1.029 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 0.106/1.428, allocations: 31.05 MB / 1.366 GB, free: 12.79 MB / 1.061 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000125/1.428, allocations: 243.5 kB / 1.366 GB, free: 12.5 MB / 1.061 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002506/1.43, allocations: 1.439 MB / 1.367 GB, free: 11.05 MB / 1.061 GB Notification: Performance of collectPreVariables (initialization): time 0.0007252/1.431, allocations: 69.7 kB / 1.367 GB, free: 10.98 MB / 1.061 GB Notification: Performance of collectInitialEqns (initialization): time 0.001098/1.432, allocations: 1.532 MB / 1.369 GB, free: 9.438 MB / 1.061 GB Notification: Performance of collectInitialBindings (initialization): time 0.001123/1.433, allocations: 0.9629 MB / 1.37 GB, free: 8.488 MB / 1.061 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001274/1.435, allocations: 0.6398 MB / 1.37 GB, free: 7.84 MB / 1.061 GB Notification: Performance of setup shared object (initialization): time 0.0001022/1.435, allocations: 301.1 kB / 1.371 GB, free: 7.543 MB / 1.061 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.007678/1.442, allocations: 2.694 MB / 1.373 GB, free: 4.84 MB / 1.061 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00773/1.45, allocations: 3.576 MB / 1.377 GB, free: 0.9023 MB / 1.061 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01371/1.464, allocations: 6.399 MB / 1.383 GB, free: 10.2 MB / 1.076 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.825e-05/1.464, allocations: 8 kB / 1.383 GB, free: 10.19 MB / 1.076 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 0.03049/1.494, allocations: 10.95 MB / 1.394 GB, free: 15.14 MB / 1.092 GB Notification: Performance of prepare postOptimizeDAE: time 3.961e-05/1.494, allocations: 16 kB / 1.394 GB, free: 15.13 MB / 1.092 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.52e-05/1.494, allocations: 31.47 kB / 1.394 GB, free: 15.1 MB / 1.092 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02081/1.515, allocations: 5.544 MB / 1.399 GB, free: 9.543 MB / 1.092 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00458/1.52, allocations: 0.9945 MB / 1.4 GB, free: 8.547 MB / 1.092 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04361/1.563, allocations: 28.23 MB / 1.428 GB, free: 11.89 MB / 1.123 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005217/1.569, allocations: 0.5655 MB / 1.428 GB, free: 11.32 MB / 1.123 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000764/1.569, allocations: 155.9 kB / 1.428 GB, free: 11.17 MB / 1.123 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009207/1.579, allocations: 3.992 MB / 1.432 GB, free: 7.176 MB / 1.123 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007146/1.586, allocations: 3.53 MB / 1.436 GB, free: 3.27 MB / 1.123 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09143/1.677, allocations: 24.64 MB / 1.46 GB, free: 10.14 MB / 1.154 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.965e-05/1.677, allocations: 8 kB / 1.46 GB, free: 10.13 MB / 1.154 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 0.0267/1.704, allocations: 10.47 MB / 1.47 GB, free: 15.5 MB / 1.17 GB Notification: Performance of prepare postOptimizeDAE: time 4.093e-05/1.704, allocations: 19.98 kB / 1.47 GB, free: 15.48 MB / 1.17 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.12e-05/1.704, allocations: 28 kB / 1.47 GB, free: 15.46 MB / 1.17 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01562/1.72, allocations: 4.322 MB / 1.474 GB, free: 11.12 MB / 1.17 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004845/1.724, allocations: 1.041 MB / 1.475 GB, free: 10.08 MB / 1.17 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0359/1.76, allocations: 27.11 MB / 1.502 GB, free: 14.27 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004733/1.765, allocations: 0.5654 MB / 1.502 GB, free: 13.71 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005038/1.766, allocations: 152 kB / 1.502 GB, free: 13.56 MB / 1.201 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 0.00102/1.767, allocations: 404.8 kB / 1.503 GB, free: 13.16 MB / 1.201 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006249/1.767, allocations: 206.7 kB / 1.503 GB, free: 12.96 MB / 1.201 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 0.02593/1.793, allocations: 10.09 MB / 1.513 GB, free: 2.797 MB / 1.201 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.38e-05/1.793, allocations: 28 kB / 1.513 GB, free: 2.77 MB / 1.201 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.83e-05/1.793, allocations: 12 kB / 1.513 GB, free: 2.758 MB / 1.201 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.587e-05/1.793, allocations: 11.95 kB / 1.513 GB, free: 2.746 MB / 1.201 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 0.03567/1.829, allocations: 16.19 MB / 1.529 GB, free: 2.371 MB / 1.217 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.937e-05/1.829, allocations: 8 kB / 1.529 GB, free: 2.363 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003363/1.832, allocations: 0.7372 MB / 1.529 GB, free: 1.625 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01858/1.851, allocations: 5.181 MB / 1.535 GB, free: 12.43 MB / 1.232 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005869/1.851, allocations: 71.95 kB / 1.535 GB, free: 12.36 MB / 1.232 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03891/1.89, allocations: 27.27 MB / 1.561 GB, free: 0.6133 MB / 1.248 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.062e-05/1.89, allocations: 12.03 kB / 1.561 GB, free: 0.6016 MB / 1.248 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 0.02544/1.916, allocations: 10.02 MB / 1.571 GB, free: 6.344 MB / 1.264 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001963/1.918, allocations: 0.726 MB / 1.572 GB, free: 5.598 MB / 1.264 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005394/1.918, allocations: 64.92 kB / 1.572 GB, free: 5.535 MB / 1.264 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00387/1.922, allocations: 0.507 MB / 1.572 GB, free: 5.027 MB / 1.264 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001039/1.923, allocations: 222.4 kB / 1.573 GB, free: 4.809 MB / 1.264 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002732/1.923, allocations: 91.94 kB / 1.573 GB, free: 4.719 MB / 1.264 GB Notification: Performance of sorting global known variables: time 0.001693/1.925, allocations: 0.98 MB / 1.574 GB, free: 3.734 MB / 1.264 GB Notification: Performance of sort global known variables: time 1.81e-07/1.925, allocations: 0 / 1.574 GB, free: 3.734 MB / 1.264 GB Notification: Performance of remove unused functions: time 0.0082/1.933, allocations: 1.848 MB / 1.575 GB, free: 1.887 MB / 1.264 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)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0005915/1.934, allocations: 174.9 kB / 1.576 GB, free: 1.707 MB / 1.264 GB Notification: Performance of simCode: created initialization part: time 0.03083/1.965, allocations: 12.02 MB / 1.587 GB, free: 5.578 MB / 1.279 GB Notification: Performance of simCode: created event and clocks part: time 1.467e-05/1.965, allocations: 0 / 1.587 GB, free: 5.578 MB / 1.279 GB Notification: Performance of simCode: created simulation system equations: time 0.01039/1.975, allocations: 4.292 MB / 1.591 GB, free: 1.254 MB / 1.279 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002267/1.977, allocations: 266.2 kB / 1.592 GB, free: 1 MB / 1.279 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02136/1.999, allocations: 9.016 MB / 1.601 GB, free: 7.867 MB / 1.295 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00319/2.002, allocations: 2.836 MB / 1.603 GB, free: 5 MB / 1.295 GB Notification: Performance of simCode: alias equations: time 0.004538/2.007, allocations: 1.66 MB / 1.605 GB, free: 3.336 MB / 1.295 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006597/2.007, allocations: 167.3 kB / 1.605 GB, free: 3.172 MB / 1.295 GB Notification: Performance of SimCode: time 9.22e-07/2.007, allocations: 0 / 1.605 GB, free: 3.172 MB / 1.295 GB Notification: Performance of Templates: time 0.1175/2.125, allocations: 79.22 MB / 1.682 GB, free: 4.152 MB / 1.373 GB make -j1 -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)