Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 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.UnbalancedStepDown.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.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001533/0.001533, allocations: 107.7 kB / 16.41 MB, free: 6.504 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001571/0.001571, allocations: 193.6 kB / 17.35 MB, free: 5.762 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.375/1.375, allocations: 222.9 MB / 241 MB, free: 15.18 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.57/2.57, allocations: 461.9 MB / 0.7355 GB, free: 11.08 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.001511/0.001511, allocations: 68.12 kB / 1.055 GB, free: 7.613 MB / 0.8262 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.9104/0.912, allocations: 157.4 MB / 1.209 GB, free: 13.74 MB / 0.9356 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02235/0.9343, allocations: 18.27 MB / 1.226 GB, free: 11.41 MB / 0.9512 GB Notification: Performance of NFInst.instExpressions: time 0.01174/0.9461, allocations: 6.831 MB / 1.233 GB, free: 4.566 MB / 0.9512 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00188/0.948, allocations: 55.88 kB / 1.233 GB, free: 4.512 MB / 0.9512 GB Notification: Performance of NFTyping.typeComponents: time 0.004087/0.9521, allocations: 1.473 MB / 1.235 GB, free: 3.035 MB / 0.9512 GB Notification: Performance of NFTyping.typeBindings: time 0.003768/0.9559, allocations: 1.432 MB / 1.236 GB, free: 1.598 MB / 0.9512 GB Notification: Performance of NFTyping.typeClassSections: time 0.003172/0.9591, allocations: 1.268 MB / 1.237 GB, free: 336 kB / 0.9512 GB Notification: Performance of NFFlatten.flatten: time 0.005716/0.9648, allocations: 5.464 MB / 1.243 GB, free: 10.85 MB / 0.9669 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008535/0.9734, allocations: 7.098 MB / 1.249 GB, free: 3.641 MB / 0.9669 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003398/0.9768, allocations: 2.392 MB / 1.252 GB, free: 1.242 MB / 0.9669 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004439/0.9813, allocations: 2.961 MB / 1.255 GB, free: 14.27 MB / 0.9825 GB Notification: Performance of NFPackage.collectConstants: time 0.001441/0.9827, allocations: 0.5117 MB / 1.255 GB, free: 13.76 MB / 0.9825 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003138/0.9859, allocations: 1.276 MB / 1.256 GB, free: 12.48 MB / 0.9825 GB Notification: Performance of NFScalarize.scalarize: time 0.003069/0.989, allocations: 2.246 MB / 1.259 GB, free: 10.23 MB / 0.9825 GB Notification: Performance of NFVerifyModel.verify: time 0.004391/0.9934, allocations: 2.19 MB / 1.261 GB, free: 8.035 MB / 0.9825 GB Notification: Performance of NFConvertDAE.convert: time 0.009803/1.003, allocations: 7.787 MB / 1.268 GB, free: 232 kB / 0.9825 GB Notification: Performance of FrontEnd - DAE generated: time 4.388e-06/1.003, allocations: 0 / 1.268 GB, free: 232 kB / 0.9825 GB Notification: Performance of FrontEnd: time 1.713e-06/1.003, allocations: 4 kB / 1.268 GB, free: 228 kB / 0.9825 GB Notification: Performance of Transformations before backend: time 0.0002612/1.003, allocations: 0 / 1.268 GB, free: 228 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: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.009689/1.013, allocations: 3.823 MB / 1.272 GB, free: 12.34 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 3.444e-05/1.013, allocations: 8.031 kB / 1.272 GB, free: 12.33 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01246/1.026, allocations: 2.407 MB / 1.274 GB, free: 9.918 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00473/1.03, allocations: 2.198 MB / 1.277 GB, free: 7.676 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001976/1.031, allocations: 267.5 kB / 1.277 GB, free: 7.414 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009619/1.032, allocations: 355.9 kB / 1.277 GB, free: 7.066 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01519/1.047, allocations: 7.155 MB / 1.284 GB, free: 15.81 MB / 1.014 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001282/1.047, allocations: 7.938 kB / 1.284 GB, free: 15.8 MB / 1.014 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009375/1.048, allocations: 148 kB / 1.284 GB, free: 15.66 MB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004948/1.048, allocations: 338.1 kB / 1.285 GB, free: 15.32 MB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01599/1.064, allocations: 7.044 MB / 1.292 GB, free: 8.27 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 0.03471/1.099, allocations: 26.55 MB / 1.317 GB, free: 11.54 MB / 1.045 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007839/1.107, allocations: 4.992 MB / 1.322 GB, free: 6.242 MB / 1.045 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005541/1.113, allocations: 2.612 MB / 1.325 GB, free: 3.605 MB / 1.045 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002504/1.113, allocations: 135 kB / 1.325 GB, free: 3.457 MB / 1.045 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.364e-05/1.113, allocations: 60.5 kB / 1.325 GB, free: 3.387 MB / 1.045 GB Notification: Performance of pre-optimization done (n=208): time 3.938e-06/1.113, allocations: 0 / 1.325 GB, free: 3.387 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 0.1019/1.215, allocations: 30.97 MB / 1.355 GB, free: 4.332 MB / 1.076 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001238/1.215, allocations: 231.6 kB / 1.356 GB, free: 4.059 MB / 1.076 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002828/1.218, allocations: 1.469 MB / 1.357 GB, free: 2.582 MB / 1.076 GB Notification: Performance of collectPreVariables (initialization): time 0.0005943/1.219, allocations: 77.64 kB / 1.357 GB, free: 2.5 MB / 1.076 GB Notification: Performance of collectInitialEqns (initialization): time 0.001165/1.22, allocations: 1.497 MB / 1.358 GB, free: 0.9805 MB / 1.076 GB Notification: Performance of collectInitialBindings (initialization): time 0.001244/1.221, allocations: 0.9204 MB / 1.359 GB, free: 48 kB / 1.076 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00178/1.223, allocations: 0.6357 MB / 1.36 GB, free: 15.4 MB / 1.092 GB Notification: Performance of setup shared object (initialization): time 0.0001185/1.223, allocations: 301.1 kB / 1.36 GB, free: 15.11 MB / 1.092 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006041/1.229, allocations: 2.694 MB / 1.363 GB, free: 12.4 MB / 1.092 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006663/1.236, allocations: 3.567 MB / 1.366 GB, free: 8.461 MB / 1.092 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01302/1.249, allocations: 6.399 MB / 1.373 GB, free: 1.664 MB / 1.092 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.303e-05/1.249, allocations: 7.938 kB / 1.373 GB, free: 1.656 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 0.02809/1.277, allocations: 11.03 MB / 1.383 GB, free: 6.52 MB / 1.107 GB Notification: Performance of prepare postOptimizeDAE: time 4.613e-05/1.277, allocations: 19.94 kB / 1.383 GB, free: 6.5 MB / 1.107 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.815e-05/1.277, allocations: 24 kB / 1.383 GB, free: 6.477 MB / 1.107 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01951/1.296, allocations: 5.536 MB / 1.389 GB, free: 0.9219 MB / 1.107 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004816/1.301, allocations: 0.9946 MB / 1.39 GB, free: 15.92 MB / 1.123 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04568/1.347, allocations: 28.19 MB / 1.417 GB, free: 3.281 MB / 1.139 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004706/1.352, allocations: 0.5769 MB / 1.418 GB, free: 2.703 MB / 1.139 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006892/1.352, allocations: 155.9 kB / 1.418 GB, free: 2.551 MB / 1.139 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008866/1.361, allocations: 3.983 MB / 1.422 GB, free: 14.56 MB / 1.154 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006881/1.368, allocations: 3.532 MB / 1.425 GB, free: 10.65 MB / 1.154 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0872/1.455, allocations: 24.62 MB / 1.449 GB, free: 1.516 MB / 1.17 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.983e-05/1.456, allocations: 8 kB / 1.449 GB, free: 1.508 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 0.02732/1.483, allocations: 10.53 MB / 1.46 GB, free: 6.836 MB / 1.186 GB Notification: Performance of prepare postOptimizeDAE: time 4.111e-05/1.483, allocations: 16 kB / 1.46 GB, free: 6.82 MB / 1.186 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.759e-05/1.483, allocations: 24 kB / 1.46 GB, free: 6.797 MB / 1.186 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01542/1.498, allocations: 4.322 MB / 1.464 GB, free: 2.457 MB / 1.186 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005244/1.504, allocations: 1.049 MB / 1.465 GB, free: 1.41 MB / 1.186 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03768/1.541, allocations: 27.12 MB / 1.492 GB, free: 5.547 MB / 1.217 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004755/1.546, allocations: 0.5537 MB / 1.492 GB, free: 4.992 MB / 1.217 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007572/1.547, allocations: 152 kB / 1.492 GB, free: 4.844 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 0.001464/1.548, allocations: 402.6 kB / 1.493 GB, free: 4.445 MB / 1.217 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009521/1.549, allocations: 197.7 kB / 1.493 GB, free: 4.25 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 0.02793/1.577, allocations: 10.17 MB / 1.503 GB, free: 10.01 MB / 1.232 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0001241/1.578, allocations: 15.95 kB / 1.503 GB, free: 9.992 MB / 1.232 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.573e-05/1.578, allocations: 3.938 kB / 1.503 GB, free: 9.988 MB / 1.232 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002559/1.58, allocations: 0.7288 MB / 1.503 GB, free: 9.238 MB / 1.232 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001143/1.581, allocations: 44 kB / 1.504 GB, free: 9.195 MB / 1.232 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004115/1.585, allocations: 0.5031 MB / 1.504 GB, free: 8.691 MB / 1.232 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001029/1.586, allocations: 289.4 kB / 1.504 GB, free: 8.41 MB / 1.232 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.02598/1.612, allocations: 9.414 MB / 1.513 GB, free: 14.96 MB / 1.248 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.02319/1.636, allocations: 8.883 MB / 1.522 GB, free: 6.004 MB / 1.248 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.006359/1.642, allocations: 2.665 MB / 1.525 GB, free: 3.336 MB / 1.248 GB Notification: Performance of sorting global known variables: time 0.002165/1.644, allocations: 1.009 MB / 1.526 GB, free: 2.324 MB / 1.248 GB Notification: Performance of Backend: time 4.41e-07/1.644, allocations: 0 / 1.526 GB, free: 2.324 MB / 1.248 GB Notification: Performance of simCode: created initialization part: time 0.0319/1.676, allocations: 10.56 MB / 1.536 GB, free: 7.652 MB / 1.264 GB Notification: Performance of SimCode: time 0.01544/1.692, allocations: 7.281 MB / 1.543 GB, free: 336 kB / 1.264 GB Notification: Performance of Templates: time 0.8842/2.576, allocations: 97.56 MB / 1.638 GB, free: 274.1 MB / 1.279 GB make -j1 -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)