Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_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 10.1.1-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.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_10_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_10_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 0.00158/0.00158, allocations: 109.3 kB / 16.41 MB, free: 6.512 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00168/0.001679, allocations: 189.5 kB / 17.35 MB, free: 5.738 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.45/1.45, allocations: 222.9 MB / 241.1 MB, free: 15.15 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.61/2.61, allocations: 437 MB / 0.7112 GB, free: 4.371 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.001547/0.001547, allocations: 71.89 kB / 1.019 GB, free: 9.332 MB / 0.795 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.108/1.11, allocations: 151.6 MB / 1.167 GB, free: 3.848 MB / 0.8887 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02247/1.132, allocations: 18.19 MB / 1.185 GB, free: 1.59 MB / 0.9044 GB Notification: Performance of NFInst.instExpressions: time 0.01266/1.145, allocations: 6.801 MB / 1.192 GB, free: 10.77 MB / 0.92 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002161/1.147, allocations: 55.88 kB / 1.192 GB, free: 10.71 MB / 0.92 GB Notification: Performance of NFTyping.typeComponents: time 0.00425/1.151, allocations: 1.464 MB / 1.193 GB, free: 9.242 MB / 0.92 GB Notification: Performance of NFTyping.typeBindings: time 0.004641/1.156, allocations: 1.443 MB / 1.195 GB, free: 7.793 MB / 0.92 GB Notification: Performance of NFTyping.typeClassSections: time 0.004086/1.16, allocations: 1.266 MB / 1.196 GB, free: 6.527 MB / 0.92 GB Notification: Performance of NFFlatten.flatten: time 0.007517/1.168, allocations: 5.445 MB / 1.201 GB, free: 1.07 MB / 0.92 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01132/1.179, allocations: 7.061 MB / 1.208 GB, free: 9.902 MB / 0.9356 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005277/1.184, allocations: 2.373 MB / 1.21 GB, free: 7.523 MB / 0.9356 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005947/1.19, allocations: 2.945 MB / 1.213 GB, free: 4.57 MB / 0.9356 GB Notification: Performance of NFPackage.collectConstants: time 0.002385/1.193, allocations: 0.5156 MB / 1.214 GB, free: 4.055 MB / 0.9356 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004675/1.197, allocations: 1.252 MB / 1.215 GB, free: 2.801 MB / 0.9356 GB Notification: Performance of NFScalarize.scalarize: time 0.004634/1.202, allocations: 2.238 MB / 1.217 GB, free: 0.5586 MB / 0.9356 GB Notification: Performance of NFVerifyModel.verify: time 0.006032/1.208, allocations: 2.171 MB / 1.219 GB, free: 14.38 MB / 0.9512 GB Notification: Performance of NFConvertDAE.convert: time 0.01167/1.22, allocations: 7.726 MB / 1.227 GB, free: 6.633 MB / 0.9512 GB Notification: Performance of FrontEnd - DAE generated: time 7.885e-06/1.22, allocations: 0 / 1.227 GB, free: 6.633 MB / 0.9512 GB Notification: Performance of FrontEnd: time 2.304e-06/1.22, allocations: 4 kB / 1.227 GB, free: 6.629 MB / 0.9512 GB Notification: Performance of Transformations before backend: time 0.0002618/1.22, allocations: 0 / 1.227 GB, free: 6.629 MB / 0.9512 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 0.01322/1.233, allocations: 3.788 MB / 1.231 GB, free: 2.781 MB / 0.9512 GB Notification: Performance of prepare preOptimizeDAE: time 5.463e-05/1.233, allocations: 8.922 kB / 1.231 GB, free: 2.773 MB / 0.9512 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01385/1.247, allocations: 2.403 MB / 1.233 GB, free: 372 kB / 0.9512 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006133/1.253, allocations: 2.178 MB / 1.235 GB, free: 14.13 MB / 0.9669 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002342/1.254, allocations: 267.3 kB / 1.235 GB, free: 13.88 MB / 0.9669 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001388/1.255, allocations: 351.8 kB / 1.236 GB, free: 13.53 MB / 0.9669 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01627/1.271, allocations: 7.126 MB / 1.243 GB, free: 6.301 MB / 0.9669 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.374e-05/1.271, allocations: 3.938 kB / 1.243 GB, free: 6.297 MB / 0.9669 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004406/1.272, allocations: 151.9 kB / 1.243 GB, free: 6.148 MB / 0.9669 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004763/1.272, allocations: 334 kB / 1.243 GB, free: 5.82 MB / 0.9669 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.017/1.289, allocations: 7.028 MB / 1.25 GB, free: 14.78 MB / 0.9825 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 0.03876/1.328, allocations: 26.44 MB / 1.276 GB, free: 2.168 MB / 0.9981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009499/1.338, allocations: 4.984 MB / 1.281 GB, free: 12.89 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006675/1.344, allocations: 2.608 MB / 1.283 GB, free: 10.25 MB / 1.014 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003618/1.345, allocations: 127 kB / 1.283 GB, free: 10.11 MB / 1.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.658e-05/1.345, allocations: 68.5 kB / 1.283 GB, free: 10.04 MB / 1.014 GB Notification: Performance of pre-optimization done (n=208): time 6.041e-06/1.345, allocations: 0 / 1.283 GB, free: 10.04 MB / 1.014 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.1132/1.458, allocations: 30.91 MB / 1.314 GB, free: 11.04 MB / 1.045 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001446/1.458, allocations: 243.6 kB / 1.314 GB, free: 10.75 MB / 1.045 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002838/1.461, allocations: 1.427 MB / 1.315 GB, free: 9.316 MB / 1.045 GB Notification: Performance of collectPreVariables (initialization): time 0.0006299/1.462, allocations: 73.7 kB / 1.315 GB, free: 9.238 MB / 1.045 GB Notification: Performance of collectInitialEqns (initialization): time 0.001243/1.463, allocations: 1.485 MB / 1.317 GB, free: 7.73 MB / 1.045 GB Notification: Performance of collectInitialBindings (initialization): time 0.001508/1.465, allocations: 0.9126 MB / 1.318 GB, free: 6.805 MB / 1.045 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001894/1.467, allocations: 0.6357 MB / 1.318 GB, free: 6.16 MB / 1.045 GB Notification: Performance of setup shared object (initialization): time 0.0001186/1.467, allocations: 313.1 kB / 1.319 GB, free: 5.852 MB / 1.045 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006819/1.474, allocations: 2.694 MB / 1.321 GB, free: 3.148 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007433/1.481, allocations: 3.571 MB / 1.325 GB, free: 15.2 MB / 1.061 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01394/1.495, allocations: 6.406 MB / 1.331 GB, free: 8.395 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.881e-05/1.495, allocations: 8 kB / 1.331 GB, free: 8.387 MB / 1.061 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 0.03122/1.526, allocations: 11.03 MB / 1.342 GB, free: 13.25 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 5.58e-05/1.526, allocations: 20.03 kB / 1.342 GB, free: 13.23 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.635e-05/1.526, allocations: 28 kB / 1.342 GB, free: 13.2 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02133/1.548, allocations: 5.54 MB / 1.347 GB, free: 7.648 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00459/1.552, allocations: 0.9906 MB / 1.348 GB, free: 6.656 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04617/1.599, allocations: 28.19 MB / 1.376 GB, free: 10.01 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004977/1.604, allocations: 0.5731 MB / 1.376 GB, free: 9.434 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007551/1.604, allocations: 151.9 kB / 1.376 GB, free: 9.285 MB / 1.107 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00911/1.613, allocations: 3.984 MB / 1.38 GB, free: 5.293 MB / 1.107 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007489/1.621, allocations: 3.536 MB / 1.384 GB, free: 1.375 MB / 1.107 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0941/1.715, allocations: 24.64 MB / 1.408 GB, free: 8.223 MB / 1.139 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.545e-05/1.715, allocations: 4 kB / 1.408 GB, free: 8.219 MB / 1.139 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 0.02733/1.743, allocations: 10.53 MB / 1.418 GB, free: 13.54 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 4.36e-05/1.743, allocations: 24.48 kB / 1.418 GB, free: 13.52 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.614e-05/1.743, allocations: 28 kB / 1.418 GB, free: 13.49 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01613/1.759, allocations: 4.328 MB / 1.422 GB, free: 9.148 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004829/1.764, allocations: 1.041 MB / 1.423 GB, free: 8.105 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03721/1.801, allocations: 27.1 MB / 1.45 GB, free: 12.28 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004713/1.806, allocations: 0.5614 MB / 1.45 GB, free: 11.71 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007449/1.806, allocations: 144 kB / 1.45 GB, free: 11.57 MB / 1.186 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 0.001498/1.808, allocations: 400.5 kB / 1.451 GB, free: 11.18 MB / 1.186 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009009/1.809, allocations: 197.7 kB / 1.451 GB, free: 10.98 MB / 1.186 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 0.02802/1.837, allocations: 10.17 MB / 1.461 GB, free: 0.7383 MB / 1.186 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.685e-05/1.837, allocations: 11.95 kB / 1.461 GB, free: 0.7266 MB / 1.186 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.037e-06/1.837, allocations: 4 kB / 1.461 GB, free: 0.7227 MB / 1.186 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00196/1.839, allocations: 0.7288 MB / 1.462 GB, free: 15.97 MB / 1.201 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007785/1.84, allocations: 48 kB / 1.462 GB, free: 15.93 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003935/1.844, allocations: 0.5031 MB / 1.462 GB, free: 15.42 MB / 1.201 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008785/1.845, allocations: 289.4 kB / 1.463 GB, free: 15.14 MB / 1.201 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.02487/1.869, allocations: 9.407 MB / 1.472 GB, free: 5.703 MB / 1.201 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.01899/1.888, allocations: 8.89 MB / 1.48 GB, free: 12.73 MB / 1.217 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.006119/1.895, allocations: 2.666 MB / 1.483 GB, free: 10.06 MB / 1.217 GB Notification: Performance of sorting global known variables: time 0.002664/1.897, allocations: 0.9723 MB / 1.484 GB, free: 9.086 MB / 1.217 GB Notification: Performance of Backend: time 1.754e-06/1.897, allocations: 7.938 kB / 1.484 GB, free: 9.078 MB / 1.217 GB Notification: Performance of simCode: created initialization part: time 0.02894/1.926, allocations: 10.55 MB / 1.494 GB, free: 14.43 MB / 1.232 GB Notification: Performance of SimCode: time 0.01506/1.941, allocations: 7.212 MB / 1.501 GB, free: 7.172 MB / 1.232 GB Notification: Performance of Templates: time 0.8753/2.817, allocations: 95.06 MB / 1.594 GB, free: 347.3 MB / 1.279 GB make -j1 -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)