Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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.BalancedStepUp.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.BalancedStepUp.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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.BalancedStepUp.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.004755/0.004755, allocations: 96.56 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 0.001137/0.001137, allocations: 197.1 kB / 16.67 MB, free: 5.969 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.364/1.364, allocations: 222.9 MB / 240.4 MB, free: 4.316 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 2.675/2.675, allocations: 469.8 MB / 0.7425 GB, free: 7.363 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001295/0.001295, allocations: 63.91 kB / 1.065 GB, free: 12.92 MB / 0.8262 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3146/0.3159, allocations: 159.1 MB / 1.221 GB, free: 13.66 MB / 0.9825 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02135/0.3372, allocations: 18.23 MB / 1.239 GB, free: 11.38 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.01151/0.3487, allocations: 6.816 MB / 1.245 GB, free: 4.543 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001506/0.3502, allocations: 55.88 kB / 1.245 GB, free: 4.488 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.003698/0.3539, allocations: 1.489 MB / 1.247 GB, free: 2.996 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.003335/0.3573, allocations: 1.443 MB / 1.248 GB, free: 1.547 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.002911/0.3602, allocations: 1.271 MB / 1.249 GB, free: 280 kB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.6624/1.023, allocations: 5.433 MB / 1.255 GB, free: 9.059 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005881/1.028, allocations: 5.133 MB / 1.26 GB, free: 8.395 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005075/1.034, allocations: 2.37 MB / 1.262 GB, free: 8.262 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006657/1.04, allocations: 2.951 MB / 1.265 GB, free: 8.016 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.002361/1.043, allocations: 0.5111 MB / 1.265 GB, free: 8.016 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00449/1.047, allocations: 1.265 MB / 1.267 GB, free: 8.016 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.004382/1.051, allocations: 2.295 MB / 1.269 GB, free: 7.828 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.005768/1.057, allocations: 2.172 MB / 1.271 GB, free: 7.316 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.01465/1.072, allocations: 7.756 MB / 1.279 GB, free: 6.391 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 6.522e-06/1.072, allocations: 4 kB / 1.279 GB, free: 6.387 MB / 0.9981 GB Notification: Performance of FrontEnd: time 2.164e-06/1.072, allocations: 1.375 kB / 1.279 GB, free: 6.387 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 0.0003142/1.072, allocations: 0.7969 kB / 1.279 GB, free: 6.387 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 0.01925/1.091, allocations: 3.876 MB / 1.282 GB, free: 4.238 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 6.396e-05/1.092, allocations: 9.938 kB / 1.282 GB, free: 4.238 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01587/1.107, allocations: 2.426 MB / 1.285 GB, free: 3.965 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.009247/1.117, allocations: 2.186 MB / 1.287 GB, free: 2.957 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006559/1.117, allocations: 270.5 kB / 1.287 GB, free: 2.844 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.003617/1.121, allocations: 344.3 kB / 1.287 GB, free: 2.742 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02748/1.148, allocations: 7.13 MB / 1.294 GB, free: 392 kB / 0.9981 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002473/1.149, allocations: 1.094 kB / 1.294 GB, free: 392 kB / 0.9981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002565/1.151, allocations: 150.4 kB / 1.295 GB, free: 284 kB / 0.9981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006918/1.152, allocations: 337.3 kB / 1.295 GB, free: 244 kB / 0.9981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02423/1.176, allocations: 7.303 MB / 1.302 GB, free: 15.33 MB / 1.014 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04249/1.219, allocations: 26.47 MB / 1.328 GB, free: 9.836 MB / 1.029 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00907/1.228, allocations: 4.878 MB / 1.333 GB, free: 6.5 MB / 1.029 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006155/1.234, allocations: 2.53 MB / 1.335 GB, free: 5.207 MB / 1.029 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003259/1.234, allocations: 137 kB / 1.335 GB, free: 5.094 MB / 1.029 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.44e-05/1.234, allocations: 57.41 kB / 1.335 GB, free: 5.039 MB / 1.029 GB Notification: Performance of pre-optimization done (n=208): time 4.649e-06/1.234, allocations: 3.75 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.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 0.1078/1.342, allocations: 31.04 MB / 1.366 GB, free: 12.8 MB / 1.061 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001216/1.342, allocations: 247.2 kB / 1.366 GB, free: 12.52 MB / 1.061 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0026/1.345, allocations: 1.435 MB / 1.367 GB, free: 11.07 MB / 1.061 GB Notification: Performance of collectPreVariables (initialization): time 0.0006261/1.345, allocations: 69.7 kB / 1.367 GB, free: 11 MB / 1.061 GB Notification: Performance of collectInitialEqns (initialization): time 0.001004/1.346, allocations: 1.535 MB / 1.369 GB, free: 9.457 MB / 1.061 GB Notification: Performance of collectInitialBindings (initialization): time 0.001326/1.348, allocations: 0.9639 MB / 1.37 GB, free: 8.504 MB / 1.061 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001881/1.35, allocations: 0.6398 MB / 1.37 GB, free: 7.855 MB / 1.061 GB Notification: Performance of setup shared object (initialization): time 8.939e-05/1.35, allocations: 301.1 kB / 1.371 GB, free: 7.559 MB / 1.061 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006097/1.356, allocations: 2.693 MB / 1.373 GB, free: 4.859 MB / 1.061 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006578/1.362, allocations: 3.571 MB / 1.377 GB, free: 0.9219 MB / 1.061 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01257/1.375, allocations: 6.41 MB / 1.383 GB, free: 10.2 MB / 1.076 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.262e-05/1.375, allocations: 4 kB / 1.383 GB, free: 10.2 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.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 0.02956/1.405, allocations: 10.91 MB / 1.394 GB, free: 15.18 MB / 1.092 GB Notification: Performance of prepare postOptimizeDAE: time 5.756e-05/1.405, allocations: 16 kB / 1.394 GB, free: 15.17 MB / 1.092 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.654e-05/1.405, allocations: 28 kB / 1.394 GB, free: 15.14 MB / 1.092 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02075/1.425, allocations: 5.56 MB / 1.399 GB, free: 9.566 MB / 1.092 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004608/1.43, allocations: 0.9906 MB / 1.4 GB, free: 8.574 MB / 1.092 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04354/1.474, allocations: 28.22 MB / 1.428 GB, free: 11.93 MB / 1.123 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004994/1.479, allocations: 0.5732 MB / 1.428 GB, free: 11.36 MB / 1.123 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008953/1.479, allocations: 155.9 kB / 1.428 GB, free: 11.2 MB / 1.123 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008915/1.488, allocations: 3.984 MB / 1.432 GB, free: 7.211 MB / 1.123 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00662/1.495, allocations: 3.536 MB / 1.436 GB, free: 3.297 MB / 1.123 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08831/1.583, allocations: 24.64 MB / 1.46 GB, free: 10.17 MB / 1.154 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.981e-05/1.583, allocations: 8 kB / 1.46 GB, free: 10.16 MB / 1.154 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 0.02589/1.609, allocations: 10.47 MB / 1.47 GB, free: 15.54 MB / 1.17 GB Notification: Performance of prepare postOptimizeDAE: time 3.431e-05/1.609, allocations: 16 kB / 1.47 GB, free: 15.52 MB / 1.17 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.392e-05/1.609, allocations: 28.19 kB / 1.47 GB, free: 15.49 MB / 1.17 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01518/1.624, allocations: 4.327 MB / 1.474 GB, free: 11.16 MB / 1.17 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0049/1.629, allocations: 1.053 MB / 1.475 GB, free: 10.11 MB / 1.17 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03503/1.664, allocations: 27.16 MB / 1.502 GB, free: 14.24 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004729/1.669, allocations: 0.5537 MB / 1.502 GB, free: 13.69 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004747/1.67, allocations: 151.9 kB / 1.503 GB, free: 13.54 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.i1[2]) - line2.i3[2] - line2.i2[2] 0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[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 0.00101/1.671, allocations: 400.5 kB / 1.503 GB, free: 13.14 MB / 1.201 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006046/1.671, allocations: 206.7 kB / 1.503 GB, free: 12.94 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 : 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 0.02613/1.697, allocations: 10.08 MB / 1.513 GB, free: 2.789 MB / 1.201 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.464e-05/1.697, allocations: 28 kB / 1.513 GB, free: 2.762 MB / 1.201 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.926e-05/1.697, allocations: 12 kB / 1.513 GB, free: 2.75 MB / 1.201 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.567e-05/1.697, allocations: 15.94 kB / 1.513 GB, free: 2.734 MB / 1.201 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 0.03726/1.735, allocations: 16.23 MB / 1.529 GB, free: 2.324 MB / 1.217 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.828e-05/1.735, allocations: 8 kB / 1.529 GB, free: 2.316 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003508/1.738, allocations: 0.7371 MB / 1.53 GB, free: 1.578 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01923/1.757, allocations: 5.177 MB / 1.535 GB, free: 12.38 MB / 1.232 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007219/1.758, allocations: 75.95 kB / 1.535 GB, free: 12.31 MB / 1.232 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03883/1.797, allocations: 27.23 MB / 1.561 GB, free: 0.5977 MB / 1.248 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.598e-06/1.797, allocations: 12.03 kB / 1.561 GB, free: 0.5859 MB / 1.248 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 0.02606/1.823, allocations: 10.05 MB / 1.571 GB, free: 6.293 MB / 1.264 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002311/1.825, allocations: 0.7337 MB / 1.572 GB, free: 5.539 MB / 1.264 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005226/1.826, allocations: 52 kB / 1.572 GB, free: 5.488 MB / 1.264 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003544/1.829, allocations: 0.507 MB / 1.572 GB, free: 4.98 MB / 1.264 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007674/1.83, allocations: 226.3 kB / 1.573 GB, free: 4.758 MB / 1.264 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002471/1.83, allocations: 91.95 kB / 1.573 GB, free: 4.668 MB / 1.264 GB Notification: Performance of sorting global known variables: time 0.001526/1.832, allocations: 0.9801 MB / 1.574 GB, free: 3.684 MB / 1.264 GB Notification: Performance of sort global known variables: time 9e-08/1.832, allocations: 0 / 1.574 GB, free: 3.684 MB / 1.264 GB Notification: Performance of remove unused functions: time 0.006342/1.838, allocations: 1.84 MB / 1.575 GB, free: 1.844 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 0.0004391/1.839, allocations: 190.3 kB / 1.576 GB, free: 1.652 MB / 1.264 GB Notification: Performance of simCode: created initialization part: time 0.03058/1.869, allocations: 12.03 MB / 1.587 GB, free: 5.516 MB / 1.279 GB Notification: Performance of simCode: created event and clocks part: time 1.299e-05/1.869, allocations: 4 kB / 1.587 GB, free: 5.512 MB / 1.279 GB Notification: Performance of simCode: created simulation system equations: time 0.01113/1.88, allocations: 4.239 MB / 1.592 GB, free: 1.234 MB / 1.279 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003193/1.884, allocations: 265.7 kB / 1.592 GB, free: 0.9844 MB / 1.279 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02397/1.908, allocations: 9.538 MB / 1.601 GB, free: 7.332 MB / 1.295 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003308/1.911, allocations: 2.837 MB / 1.604 GB, free: 4.465 MB / 1.295 GB Notification: Performance of simCode: alias equations: time 0.004645/1.916, allocations: 1.649 MB / 1.605 GB, free: 2.812 MB / 1.295 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006554/1.916, allocations: 171.3 kB / 1.606 GB, free: 2.645 MB / 1.295 GB Notification: Performance of SimCode: time 1.343e-06/1.916, allocations: 0 / 1.606 GB, free: 2.645 MB / 1.295 GB Notification: Performance of Templates: time 0.1203/2.037, allocations: 79.29 MB / 1.683 GB, free: 3.555 MB / 1.373 GB make -j1 -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.makefile (rm -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & ./Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)