Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_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 11.0.1-master/package.mo", uses=false) Using package Buildings with version 11.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: 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_latest_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_latest_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 0.004619/0.004619, allocations: 102.3 kB / 15.73 MB, free: 5.578 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001092/0.001092, allocations: 195.9 kB / 16.67 MB, free: 5.52 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.388/1.388, allocations: 222.9 MB / 240.4 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.615/2.615, allocations: 461.9 MB / 0.7348 GB, free: 11.05 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.0012/0.0012, allocations: 60.14 kB / 1.054 GB, free: 7.594 MB / 0.8262 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.9001/0.9013, allocations: 157.4 MB / 1.208 GB, free: 13.53 MB / 0.9356 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02183/0.9232, allocations: 18.18 MB / 1.226 GB, free: 11.29 MB / 0.9512 GB Notification: Performance of NFInst.instExpressions: time 0.01224/0.9355, allocations: 6.792 MB / 1.232 GB, free: 4.477 MB / 0.9512 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001973/0.9375, allocations: 55.88 kB / 1.232 GB, free: 4.422 MB / 0.9512 GB Notification: Performance of NFTyping.typeComponents: time 0.004146/0.9417, allocations: 1.474 MB / 1.234 GB, free: 2.941 MB / 0.9512 GB Notification: Performance of NFTyping.typeBindings: time 0.004021/0.9458, allocations: 1.424 MB / 1.235 GB, free: 1.512 MB / 0.9512 GB Notification: Performance of NFTyping.typeClassSections: time 0.003595/0.9494, allocations: 1.266 MB / 1.236 GB, free: 252 kB / 0.9512 GB Notification: Performance of NFFlatten.flatten: time 0.006605/0.956, allocations: 5.433 MB / 1.242 GB, free: 10.8 MB / 0.9669 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008345/0.9644, allocations: 7.061 MB / 1.249 GB, free: 3.629 MB / 0.9669 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004265/0.9687, allocations: 2.369 MB / 1.251 GB, free: 1.254 MB / 0.9669 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004961/0.9737, allocations: 2.953 MB / 1.254 GB, free: 14.29 MB / 0.9825 GB Notification: Performance of NFPackage.collectConstants: time 0.001102/0.9748, allocations: 0.5117 MB / 1.254 GB, free: 13.78 MB / 0.9825 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002684/0.9775, allocations: 1.26 MB / 1.255 GB, free: 12.52 MB / 0.9825 GB Notification: Performance of NFScalarize.scalarize: time 0.002352/0.9799, allocations: 2.238 MB / 1.258 GB, free: 10.28 MB / 0.9825 GB Notification: Performance of NFVerifyModel.verify: time 0.002807/0.9827, allocations: 2.171 MB / 1.26 GB, free: 8.098 MB / 0.9825 GB Notification: Performance of NFConvertDAE.convert: time 0.008617/0.9913, allocations: 7.719 MB / 1.267 GB, free: 368 kB / 0.9825 GB Notification: Performance of FrontEnd - DAE generated: time 7.344e-06/0.9914, allocations: 4 kB / 1.267 GB, free: 364 kB / 0.9825 GB Notification: Performance of FrontEnd: time 2.224e-06/0.9914, allocations: 0 / 1.267 GB, free: 364 kB / 0.9825 GB Notification: Performance of Transformations before backend: time 0.0001916/0.9916, allocations: 0 / 1.267 GB, free: 364 kB / 0.9825 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 0.008686/1, allocations: 3.791 MB / 1.271 GB, free: 12.5 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 4.182e-05/1, allocations: 8.031 kB / 1.271 GB, free: 12.5 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01314/1.013, allocations: 2.407 MB / 1.273 GB, free: 10.08 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004711/1.018, allocations: 2.175 MB / 1.275 GB, free: 7.863 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002122/1.018, allocations: 267.4 kB / 1.276 GB, free: 7.602 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000962/1.019, allocations: 347.8 kB / 1.276 GB, free: 7.262 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01516/1.035, allocations: 7.134 MB / 1.283 GB, free: 24 kB / 0.9981 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.903e-05/1.035, allocations: 7.938 kB / 1.283 GB, free: 16 kB / 0.9981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004745/1.035, allocations: 140 kB / 1.283 GB, free: 15.88 MB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004873/1.036, allocations: 330 kB / 1.283 GB, free: 15.55 MB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01613/1.052, allocations: 7.031 MB / 1.29 GB, free: 8.512 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 0.03888/1.091, allocations: 26.43 MB / 1.316 GB, free: 11.91 MB / 1.045 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01415/1.105, allocations: 4.984 MB / 1.321 GB, free: 6.621 MB / 1.045 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01201/1.117, allocations: 2.612 MB / 1.324 GB, free: 3.984 MB / 1.045 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005546/1.118, allocations: 131 kB / 1.324 GB, free: 3.84 MB / 1.045 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001115/1.118, allocations: 64.5 kB / 1.324 GB, free: 3.766 MB / 1.045 GB Notification: Performance of pre-optimization done (n=208): time 1.161e-05/1.118, allocations: 0 / 1.324 GB, free: 3.766 MB / 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. Notification: Performance of matching and sorting (n=271): time 0.1693/1.287, allocations: 30.91 MB / 1.354 GB, free: 4.77 MB / 1.076 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002154/1.287, allocations: 243.5 kB / 1.354 GB, free: 4.484 MB / 1.076 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002729/1.29, allocations: 1.431 MB / 1.356 GB, free: 3.043 MB / 1.076 GB Notification: Performance of collectPreVariables (initialization): time 0.0006041/1.291, allocations: 69.7 kB / 1.356 GB, free: 2.969 MB / 1.076 GB Notification: Performance of collectInitialEqns (initialization): time 0.001309/1.292, allocations: 1.482 MB / 1.357 GB, free: 1.465 MB / 1.076 GB Notification: Performance of collectInitialBindings (initialization): time 0.001182/1.293, allocations: 0.9243 MB / 1.358 GB, free: 0.5273 MB / 1.076 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001641/1.295, allocations: 0.6357 MB / 1.359 GB, free: 15.88 MB / 1.092 GB Notification: Performance of setup shared object (initialization): time 0.0001251/1.295, allocations: 309.1 kB / 1.359 GB, free: 15.58 MB / 1.092 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00642/1.301, allocations: 2.69 MB / 1.362 GB, free: 12.88 MB / 1.092 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007372/1.309, allocations: 3.571 MB / 1.365 GB, free: 8.934 MB / 1.092 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01356/1.322, allocations: 6.406 MB / 1.371 GB, free: 2.129 MB / 1.092 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.645e-05/1.322, allocations: 8 kB / 1.371 GB, free: 2.121 MB / 1.092 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 0.02924/1.352, allocations: 11.03 MB / 1.382 GB, free: 6.984 MB / 1.107 GB Notification: Performance of prepare postOptimizeDAE: time 5.549e-05/1.352, allocations: 20 kB / 1.382 GB, free: 6.965 MB / 1.107 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.574e-05/1.352, allocations: 24 kB / 1.382 GB, free: 6.941 MB / 1.107 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01989/1.372, allocations: 5.54 MB / 1.388 GB, free: 1.383 MB / 1.107 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004636/1.376, allocations: 0.9945 MB / 1.388 GB, free: 396 kB / 1.107 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04407/1.42, allocations: 28.2 MB / 1.416 GB, free: 3.738 MB / 1.139 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004527/1.425, allocations: 0.577 MB / 1.417 GB, free: 3.16 MB / 1.139 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005813/1.426, allocations: 147.9 kB / 1.417 GB, free: 3.016 MB / 1.139 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008275/1.434, allocations: 3.991 MB / 1.421 GB, free: 15.02 MB / 1.154 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006744/1.441, allocations: 3.532 MB / 1.424 GB, free: 11.11 MB / 1.154 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0864/1.527, allocations: 24.64 MB / 1.448 GB, free: 1.953 MB / 1.17 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.917e-05/1.527, allocations: 8 kB / 1.448 GB, free: 1.945 MB / 1.17 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 0.02758/1.555, allocations: 10.52 MB / 1.458 GB, free: 7.281 MB / 1.186 GB Notification: Performance of prepare postOptimizeDAE: time 4.004e-05/1.555, allocations: 16.56 kB / 1.458 GB, free: 7.266 MB / 1.186 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.998e-05/1.555, allocations: 32.05 kB / 1.458 GB, free: 7.234 MB / 1.186 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01619/1.571, allocations: 4.33 MB / 1.463 GB, free: 2.887 MB / 1.186 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0047/1.576, allocations: 1.037 MB / 1.464 GB, free: 1.848 MB / 1.186 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03749/1.613, allocations: 27.11 MB / 1.49 GB, free: 6.008 MB / 1.217 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005842/1.619, allocations: 0.5614 MB / 1.491 GB, free: 5.445 MB / 1.217 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001222/1.621, allocations: 148 kB / 1.491 GB, free: 5.301 MB / 1.217 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 0.002361/1.623, allocations: 391.3 kB / 1.491 GB, free: 4.91 MB / 1.217 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001208/1.624, allocations: 201.7 kB / 1.491 GB, free: 4.711 MB / 1.217 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 0.02835/1.653, allocations: 10.16 MB / 1.501 GB, free: 10.48 MB / 1.232 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.532e-05/1.653, allocations: 28 kB / 1.501 GB, free: 10.45 MB / 1.232 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.596e-05/1.653, allocations: 12 kB / 1.501 GB, free: 10.44 MB / 1.232 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.634e-05/1.653, allocations: 19.95 kB / 1.501 GB, free: 10.42 MB / 1.232 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 0.0369/1.69, allocations: 16.27 MB / 1.517 GB, free: 9.902 MB / 1.248 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.022e-05/1.69, allocations: 11.98 kB / 1.517 GB, free: 9.891 MB / 1.248 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003455/1.693, allocations: 0.7301 MB / 1.518 GB, free: 9.16 MB / 1.248 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01884/1.712, allocations: 5.185 MB / 1.523 GB, free: 3.961 MB / 1.248 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007201/1.713, allocations: 75.94 kB / 1.523 GB, free: 3.887 MB / 1.248 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04248/1.755, allocations: 27.24 MB / 1.55 GB, free: 8.145 MB / 1.279 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.547e-05/1.755, allocations: 12.03 kB / 1.55 GB, free: 8.133 MB / 1.279 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 0.7749/2.53, allocations: 10.09 MB / 1.56 GB, free: 324.1 MB / 1.279 GB Notification: Performance of postOpt removeConstants (simulation): time 0.003258/2.534, allocations: 0.72 MB / 1.56 GB, free: 324 MB / 1.279 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001143/2.535, allocations: 53.08 kB / 1.56 GB, free: 324 MB / 1.279 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.007138/2.542, allocations: 0.5069 MB / 1.561 GB, free: 324 MB / 1.279 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001597/2.544, allocations: 224.1 kB / 1.561 GB, free: 324 MB / 1.279 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0006907/2.544, allocations: 91.56 kB / 1.561 GB, free: 324 MB / 1.279 GB Notification: Performance of sorting global known variables: time 0.00301/2.547, allocations: 0.9783 MB / 1.562 GB, free: 323.9 MB / 1.279 GB Notification: Performance of sort global known variables: time 4.81e-07/2.547, allocations: 3.844 kB / 1.562 GB, free: 323.9 MB / 1.279 GB Notification: Performance of remove unused functions: time 0.01066/2.558, allocations: 1.845 MB / 1.564 GB, free: 323.9 MB / 1.279 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 0.0008899/2.559, allocations: 181.3 kB / 1.564 GB, free: 323.8 MB / 1.279 GB Notification: Performance of simCode: created initialization part: time 0.04572/2.605, allocations: 12.46 MB / 1.576 GB, free: 322.1 MB / 1.279 GB Notification: Performance of simCode: created event and clocks part: time 1.203e-05/2.605, allocations: 0 / 1.576 GB, free: 322.1 MB / 1.279 GB Notification: Performance of simCode: created simulation system equations: time 0.01623/2.621, allocations: 4.421 MB / 1.581 GB, free: 320.5 MB / 1.279 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00369/2.625, allocations: 273.8 kB / 1.581 GB, free: 320.4 MB / 1.279 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02241/2.647, allocations: 8.939 MB / 1.59 GB, free: 317.2 MB / 1.279 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00313/2.65, allocations: 2.828 MB / 1.592 GB, free: 316 MB / 1.279 GB Notification: Performance of simCode: alias equations: time 0.004247/2.655, allocations: 1.661 MB / 1.594 GB, free: 315.9 MB / 1.279 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007461/2.655, allocations: 170.8 kB / 1.594 GB, free: 315.9 MB / 1.279 GB Notification: Performance of SimCode: time 8.12e-07/2.655, allocations: 0 / 1.594 GB, free: 315.9 MB / 1.279 GB Notification: Performance of Templates: time 0.08692/2.742, allocations: 78.73 MB / 1.671 GB, free: 240.6 MB / 1.279 GB make -j1 -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)