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 0.008006/0.008006, allocations: 104.5 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 0.001825/0.001825, allocations: 192.1 kB / 16.67 MB, free: 5.973 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.389/1.389, allocations: 222.9 MB / 240.4 MB, free: 4.328 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.782/2.782, allocations: 461.9 MB / 0.7348 GB, free: 14.71 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001254/0.001255, allocations: 67.89 kB / 1.054 GB, free: 7.078 MB / 0.8106 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3322/0.3335, allocations: 157.4 MB / 1.208 GB, free: 9.578 MB / 0.9669 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02041/0.3539, allocations: 18.27 MB / 1.226 GB, free: 7.234 MB / 0.9825 GB Notification: Performance of NFInst.instExpressions: time 0.0121/0.3661, allocations: 6.831 MB / 1.232 GB, free: 396 kB / 0.9825 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002371/0.3685, allocations: 55.88 kB / 1.232 GB, free: 340 kB / 0.9825 GB Notification: Performance of NFTyping.typeComponents: time 0.004208/0.3727, allocations: 1.467 MB / 1.234 GB, free: 14.86 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.004141/0.3769, allocations: 1.432 MB / 1.235 GB, free: 13.43 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.003717/0.3806, allocations: 1.269 MB / 1.236 GB, free: 12.16 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.006779/0.3874, allocations: 5.468 MB / 1.242 GB, free: 6.676 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.7629/1.15, allocations: 7.115 MB / 1.249 GB, free: 11.8 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.006558/1.157, allocations: 2.383 MB / 1.251 GB, free: 11.75 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006634/1.164, allocations: 2.962 MB / 1.254 GB, free: 11.5 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.001508/1.165, allocations: 0.5142 MB / 1.254 GB, free: 11.5 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003608/1.169, allocations: 1.272 MB / 1.256 GB, free: 11.5 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.003787/1.173, allocations: 2.243 MB / 1.258 GB, free: 11.38 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.005656/1.178, allocations: 2.188 MB / 1.26 GB, free: 10.86 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.01597/1.194, allocations: 7.778 MB / 1.268 GB, free: 10.22 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 7.073e-06/1.194, allocations: 3.938 kB / 1.268 GB, free: 10.21 MB / 0.9981 GB Notification: Performance of FrontEnd: time 2.575e-06/1.194, allocations: 6.125 kB / 1.268 GB, free: 10.21 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 0.0003648/1.195, allocations: 0 / 1.268 GB, free: 10.21 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: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.01917/1.214, allocations: 3.824 MB / 1.271 GB, free: 8.777 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 5.576e-05/1.214, allocations: 9.062 kB / 1.271 GB, free: 8.777 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01511/1.229, allocations: 2.411 MB / 1.274 GB, free: 8.578 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00807/1.237, allocations: 2.19 MB / 1.276 GB, free: 8.121 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003837/1.238, allocations: 270.2 kB / 1.276 GB, free: 8.113 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.003205/1.241, allocations: 347.1 kB / 1.276 GB, free: 8.113 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02712/1.268, allocations: 7.161 MB / 1.283 GB, free: 7.742 MB / 0.9981 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001507/1.268, allocations: 6.438 kB / 1.283 GB, free: 7.742 MB / 0.9981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001366/1.27, allocations: 146.5 kB / 1.284 GB, free: 7.742 MB / 0.9981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006658/1.27, allocations: 338.4 kB / 1.284 GB, free: 7.73 MB / 0.9981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02336/1.294, allocations: 7.05 MB / 1.291 GB, free: 7.324 MB / 0.9981 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 0.05117/1.345, allocations: 26.54 MB / 1.317 GB, free: 2.898 MB / 1.014 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0106/1.355, allocations: 4.99 MB / 1.322 GB, free: 15.5 MB / 1.029 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.007288/1.363, allocations: 2.616 MB / 1.324 GB, free: 14.18 MB / 1.029 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004215/1.363, allocations: 131.5 kB / 1.324 GB, free: 14.07 MB / 1.029 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.419e-05/1.363, allocations: 59.72 kB / 1.324 GB, free: 14.02 MB / 1.029 GB Notification: Performance of pre-optimization done (n=208): time 5.04e-06/1.363, allocations: 0 / 1.324 GB, free: 14.02 MB / 1.029 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.1157/1.479, allocations: 30.98 MB / 1.355 GB, free: 11.88 MB / 1.045 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000154/1.479, allocations: 242.9 kB / 1.355 GB, free: 11.6 MB / 1.045 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003309/1.483, allocations: 1.469 MB / 1.356 GB, free: 10.12 MB / 1.045 GB Notification: Performance of collectPreVariables (initialization): time 0.0008543/1.483, allocations: 65.7 kB / 1.356 GB, free: 10.05 MB / 1.045 GB Notification: Performance of collectInitialEqns (initialization): time 0.001302/1.485, allocations: 1.504 MB / 1.358 GB, free: 8.535 MB / 1.045 GB Notification: Performance of collectInitialBindings (initialization): time 0.001648/1.486, allocations: 0.9148 MB / 1.359 GB, free: 7.629 MB / 1.045 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002591/1.489, allocations: 0.6357 MB / 1.359 GB, free: 6.984 MB / 1.045 GB Notification: Performance of setup shared object (initialization): time 0.0001272/1.489, allocations: 301.1 kB / 1.36 GB, free: 6.688 MB / 1.045 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006831/1.496, allocations: 2.69 MB / 1.362 GB, free: 3.988 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007645/1.504, allocations: 3.575 MB / 1.366 GB, free: 48 kB / 1.045 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01447/1.518, allocations: 6.397 MB / 1.372 GB, free: 9.359 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.733e-05/1.518, allocations: 8 kB / 1.372 GB, free: 9.352 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 0.03211/1.55, allocations: 11.03 MB / 1.383 GB, free: 14.45 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 7.413e-05/1.55, allocations: 16 kB / 1.383 GB, free: 14.44 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.507e-05/1.551, allocations: 28 kB / 1.383 GB, free: 14.41 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02075/1.571, allocations: 5.535 MB / 1.388 GB, free: 8.859 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004982/1.576, allocations: 0.9942 MB / 1.389 GB, free: 7.902 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04857/1.625, allocations: 28.2 MB / 1.417 GB, free: 11.35 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00554/1.631, allocations: 0.577 MB / 1.417 GB, free: 10.77 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001085/1.632, allocations: 151.9 kB / 1.417 GB, free: 10.62 MB / 1.107 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01109/1.643, allocations: 3.984 MB / 1.421 GB, free: 6.629 MB / 1.107 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007859/1.651, allocations: 3.53 MB / 1.425 GB, free: 2.73 MB / 1.107 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08955/1.74, allocations: 24.61 MB / 1.449 GB, free: 9.719 MB / 1.139 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.3e-05/1.74, allocations: 8 kB / 1.449 GB, free: 9.711 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 0.02942/1.77, allocations: 10.54 MB / 1.459 GB, free: 15.25 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 6.073e-05/1.77, allocations: 16.84 kB / 1.459 GB, free: 15.23 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.371e-05/1.77, allocations: 28 kB / 1.459 GB, free: 15.21 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01516/1.785, allocations: 4.325 MB / 1.463 GB, free: 10.87 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005045/1.79, allocations: 1.039 MB / 1.464 GB, free: 9.867 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03841/1.829, allocations: 27.12 MB / 1.491 GB, free: 14.04 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00592/1.835, allocations: 0.5576 MB / 1.491 GB, free: 13.48 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001493/1.836, allocations: 151.9 kB / 1.492 GB, free: 13.33 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 0.002627/1.839, allocations: 409.6 kB / 1.492 GB, free: 12.93 MB / 1.186 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001496/1.84, allocations: 204.8 kB / 1.492 GB, free: 12.73 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 0.03072/1.871, allocations: 10.16 MB / 1.502 GB, free: 2.496 MB / 1.186 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.278e-05/1.871, allocations: 28 kB / 1.502 GB, free: 2.469 MB / 1.186 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.942e-05/1.871, allocations: 12 kB / 1.502 GB, free: 2.457 MB / 1.186 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.086e-05/1.871, allocations: 19.88 kB / 1.502 GB, free: 2.438 MB / 1.186 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 0.04537/1.917, allocations: 16.28 MB / 1.518 GB, free: 1.957 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.301e-05/1.917, allocations: 8 kB / 1.518 GB, free: 1.949 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00391/1.921, allocations: 0.7372 MB / 1.519 GB, free: 1.211 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01915/1.94, allocations: 5.173 MB / 1.524 GB, free: 12.02 MB / 1.217 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0009538/1.941, allocations: 71.95 kB / 1.524 GB, free: 11.95 MB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04811/1.989, allocations: 27.24 MB / 1.55 GB, free: 232 kB / 1.232 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.086e-05/1.989, allocations: 12.03 kB / 1.55 GB, free: 220 kB / 1.232 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 0.02878/2.018, allocations: 10.11 MB / 1.56 GB, free: 5.875 MB / 1.248 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00243/2.02, allocations: 0.7249 MB / 1.561 GB, free: 5.129 MB / 1.248 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001165/2.021, allocations: 63.92 kB / 1.561 GB, free: 5.066 MB / 1.248 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004473/2.026, allocations: 0.507 MB / 1.562 GB, free: 4.559 MB / 1.248 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001184/2.027, allocations: 222.4 kB / 1.562 GB, free: 4.344 MB / 1.248 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000565/2.028, allocations: 91.95 kB / 1.562 GB, free: 4.254 MB / 1.248 GB Notification: Performance of sorting global known variables: time 0.002222/2.03, allocations: 1.013 MB / 1.563 GB, free: 3.238 MB / 1.248 GB Notification: Performance of sort global known variables: time 2.7e-07/2.03, allocations: 0 / 1.563 GB, free: 3.238 MB / 1.248 GB Notification: Performance of remove unused functions: time 0.01087/2.041, allocations: 1.852 MB / 1.565 GB, free: 1.387 MB / 1.248 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 0.0009144/2.042, allocations: 184.3 kB / 1.565 GB, free: 1.195 MB / 1.248 GB Notification: Performance of simCode: created initialization part: time 0.03219/2.074, allocations: 12.45 MB / 1.577 GB, free: 4.629 MB / 1.264 GB Notification: Performance of simCode: created event and clocks part: time 1.543e-05/2.074, allocations: 4 kB / 1.577 GB, free: 4.625 MB / 1.264 GB Notification: Performance of simCode: created simulation system equations: time 0.01168/2.086, allocations: 4.407 MB / 1.581 GB, free: 192 kB / 1.264 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003718/2.09, allocations: 291.1 kB / 1.582 GB, free: 15.91 MB / 1.279 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02852/2.118, allocations: 9.49 MB / 1.591 GB, free: 6.305 MB / 1.279 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004995/2.123, allocations: 2.857 MB / 1.594 GB, free: 3.41 MB / 1.279 GB Notification: Performance of simCode: alias equations: time 0.005369/2.128, allocations: 1.653 MB / 1.595 GB, free: 1.754 MB / 1.279 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000953/2.129, allocations: 171.3 kB / 1.595 GB, free: 1.586 MB / 1.279 GB Notification: Performance of SimCode: time 8.11e-07/2.129, allocations: 0 / 1.595 GB, free: 1.586 MB / 1.279 GB Notification: Performance of Templates: time 0.1235/2.253, allocations: 79.28 MB / 1.673 GB, free: 2.512 MB / 1.357 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)