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 0.007287/0.007287, allocations: 101.3 kB / 15.73 MB, free: 6.031 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001571/0.001572, allocations: 194.8 kB / 16.67 MB, free: 5.969 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.397/1.397, allocations: 222.9 MB / 240.4 MB, free: 4.324 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.657/2.657, allocations: 461.9 MB / 0.7348 GB, free: 14.65 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001353/0.001353, allocations: 59.91 kB / 1.054 GB, free: 7.055 MB / 0.8106 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3777/0.3791, allocations: 157.4 MB / 1.208 GB, free: 9.551 MB / 0.9669 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02428/0.4034, allocations: 18.18 MB / 1.226 GB, free: 7.301 MB / 0.9825 GB Notification: Performance of NFInst.instExpressions: time 0.01272/0.4162, allocations: 6.815 MB / 1.232 GB, free: 480 kB / 0.9825 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002143/0.4184, allocations: 59.88 kB / 1.232 GB, free: 420 kB / 0.9825 GB Notification: Performance of NFTyping.typeComponents: time 0.004363/0.4227, allocations: 1.454 MB / 1.234 GB, free: 14.95 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.004824/0.4276, allocations: 1.428 MB / 1.235 GB, free: 13.52 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.003918/0.4315, allocations: 1.257 MB / 1.236 GB, free: 12.26 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.007683/0.4392, allocations: 5.437 MB / 1.242 GB, free: 6.812 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.6854/1.125, allocations: 7.066 MB / 1.249 GB, free: 12.44 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004104/1.129, allocations: 2.36 MB / 1.251 GB, free: 12.39 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004479/1.133, allocations: 2.956 MB / 1.254 GB, free: 12.15 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.0007772/1.134, allocations: 0.5109 MB / 1.254 GB, free: 12.15 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002142/1.136, allocations: 1.258 MB / 1.255 GB, free: 12.15 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.002175/1.138, allocations: 2.242 MB / 1.258 GB, free: 12.02 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.003222/1.142, allocations: 2.163 MB / 1.26 GB, free: 11.52 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.01132/1.153, allocations: 7.723 MB / 1.267 GB, free: 10.88 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 5.32e-06/1.153, allocations: 2.094 kB / 1.267 GB, free: 10.88 MB / 0.9981 GB Notification: Performance of FrontEnd: time 1.793e-06/1.153, allocations: 0 / 1.267 GB, free: 10.88 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 0.0002471/1.153, allocations: 0.5 kB / 1.267 GB, free: 10.88 MB / 0.9981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01248/1.166, allocations: 3.791 MB / 1.271 GB, free: 9.465 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 4.444e-05/1.166, allocations: 10.59 kB / 1.271 GB, free: 9.465 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01443/1.18, allocations: 2.397 MB / 1.273 GB, free: 9.27 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.008035/1.188, allocations: 2.181 MB / 1.275 GB, free: 8.816 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003335/1.189, allocations: 266.6 kB / 1.276 GB, free: 8.809 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00277/1.191, allocations: 346.9 kB / 1.276 GB, free: 8.809 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02091/1.212, allocations: 7.131 MB / 1.283 GB, free: 8.438 MB / 0.9981 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001006/1.213, allocations: 2.797 kB / 1.283 GB, free: 8.438 MB / 0.9981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007259/1.213, allocations: 147.4 kB / 1.283 GB, free: 8.438 MB / 0.9981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005016/1.214, allocations: 334.4 kB / 1.283 GB, free: 8.43 MB / 0.9981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01842/1.232, allocations: 7.031 MB / 1.29 GB, free: 7.703 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 0.04087/1.273, allocations: 26.42 MB / 1.316 GB, free: 3.387 MB / 1.014 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008575/1.282, allocations: 4.994 MB / 1.321 GB, free: 15.99 MB / 1.029 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00622/1.288, allocations: 2.605 MB / 1.324 GB, free: 14.67 MB / 1.029 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002483/1.288, allocations: 133.2 kB / 1.324 GB, free: 14.56 MB / 1.029 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.591e-05/1.288, allocations: 70.44 kB / 1.324 GB, free: 14.5 MB / 1.029 GB Notification: Performance of pre-optimization done (n=208): time 4.248e-06/1.288, allocations: 0.8438 kB / 1.324 GB, free: 14.5 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 0.1065/1.395, allocations: 30.92 MB / 1.354 GB, free: 12.66 MB / 1.045 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001363/1.395, allocations: 239.2 kB / 1.354 GB, free: 12.39 MB / 1.045 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002228/1.397, allocations: 1.427 MB / 1.356 GB, free: 10.95 MB / 1.045 GB Notification: Performance of collectPreVariables (initialization): time 0.0006291/1.398, allocations: 77.64 kB / 1.356 GB, free: 10.87 MB / 1.045 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009175/1.399, allocations: 1.487 MB / 1.357 GB, free: 9.367 MB / 1.045 GB Notification: Performance of collectInitialBindings (initialization): time 0.00113/1.4, allocations: 0.92 MB / 1.358 GB, free: 8.457 MB / 1.045 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001211/1.401, allocations: 0.6357 MB / 1.359 GB, free: 7.812 MB / 1.045 GB Notification: Performance of setup shared object (initialization): time 9.182e-05/1.401, allocations: 301.1 kB / 1.359 GB, free: 7.516 MB / 1.045 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00614/1.407, allocations: 2.694 MB / 1.362 GB, free: 4.812 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006981/1.414, allocations: 3.572 MB / 1.365 GB, free: 0.8789 MB / 1.045 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01296/1.427, allocations: 6.409 MB / 1.371 GB, free: 10.18 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.218e-05/1.427, allocations: 8 kB / 1.371 GB, free: 10.17 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 0.02934/1.457, allocations: 11.03 MB / 1.382 GB, free: 15.28 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 7.003e-05/1.457, allocations: 16.78 kB / 1.382 GB, free: 15.26 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.399e-05/1.457, allocations: 28 kB / 1.382 GB, free: 15.23 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02037/1.477, allocations: 5.539 MB / 1.388 GB, free: 9.68 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004752/1.482, allocations: 0.9943 MB / 1.389 GB, free: 8.723 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04265/1.525, allocations: 28.19 MB / 1.416 GB, free: 12.17 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005022/1.53, allocations: 0.5692 MB / 1.417 GB, free: 11.6 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004641/1.53, allocations: 155.9 kB / 1.417 GB, free: 11.45 MB / 1.107 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008504/1.539, allocations: 3.984 MB / 1.421 GB, free: 7.453 MB / 1.107 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006686/1.545, allocations: 3.536 MB / 1.424 GB, free: 3.551 MB / 1.107 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09376/1.639, allocations: 24.63 MB / 1.448 GB, free: 10.52 MB / 1.139 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.278e-05/1.639, allocations: 8 kB / 1.448 GB, free: 10.51 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 0.02896/1.668, allocations: 10.54 MB / 1.458 GB, free: 48 kB / 1.139 GB Notification: Performance of prepare postOptimizeDAE: time 3.419e-05/1.668, allocations: 16 kB / 1.458 GB, free: 32 kB / 1.139 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.89e-05/1.668, allocations: 24 kB / 1.458 GB, free: 8 kB / 1.139 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01651/1.685, allocations: 4.323 MB / 1.463 GB, free: 11.67 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005141/1.69, allocations: 1.044 MB / 1.464 GB, free: 10.66 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03793/1.728, allocations: 27.11 MB / 1.49 GB, free: 14.85 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005445/1.734, allocations: 0.5575 MB / 1.491 GB, free: 14.29 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005833/1.734, allocations: 155.9 kB / 1.491 GB, free: 14.14 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 0.001019/1.735, allocations: 393.6 kB / 1.491 GB, free: 13.75 MB / 1.186 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00067/1.736, allocations: 201.6 kB / 1.491 GB, free: 13.55 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 0.02762/1.764, allocations: 10.15 MB / 1.501 GB, free: 3.328 MB / 1.186 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.326e-05/1.764, allocations: 30.91 kB / 1.501 GB, free: 3.301 MB / 1.186 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.514e-05/1.764, allocations: 12 kB / 1.501 GB, free: 3.289 MB / 1.186 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.02e-05/1.764, allocations: 19.94 kB / 1.501 GB, free: 3.27 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 0.03907/1.803, allocations: 16.27 MB / 1.517 GB, free: 2.801 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.839e-05/1.803, allocations: 8.156 kB / 1.517 GB, free: 2.793 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00369/1.807, allocations: 0.7411 MB / 1.518 GB, free: 2.051 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01926/1.826, allocations: 5.181 MB / 1.523 GB, free: 12.85 MB / 1.217 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007661/1.827, allocations: 71.95 kB / 1.523 GB, free: 12.78 MB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04144/1.868, allocations: 27.23 MB / 1.55 GB, free: 1.074 MB / 1.232 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.102e-05/1.868, allocations: 12.03 kB / 1.55 GB, free: 1.062 MB / 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 0.02726/1.895, allocations: 10.1 MB / 1.56 GB, free: 6.727 MB / 1.248 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002651/1.898, allocations: 0.7249 MB / 1.56 GB, free: 5.98 MB / 1.248 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006725/1.899, allocations: 56 kB / 1.56 GB, free: 5.926 MB / 1.248 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004038/1.903, allocations: 0.503 MB / 1.561 GB, free: 5.422 MB / 1.248 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000896/1.904, allocations: 234.3 kB / 1.561 GB, free: 5.195 MB / 1.248 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002761/1.904, allocations: 91.95 kB / 1.561 GB, free: 5.105 MB / 1.248 GB Notification: Performance of sorting global known variables: time 0.00169/1.906, allocations: 0.9723 MB / 1.562 GB, free: 4.129 MB / 1.248 GB Notification: Performance of sort global known variables: time 5.71e-07/1.906, allocations: 0 / 1.562 GB, free: 4.129 MB / 1.248 GB Notification: Performance of remove unused functions: time 0.007271/1.913, allocations: 1.848 MB / 1.564 GB, free: 2.281 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 0.0005263/1.914, allocations: 183.4 kB / 1.564 GB, free: 2.09 MB / 1.248 GB Notification: Performance of simCode: created initialization part: time 0.03166/1.945, allocations: 12.46 MB / 1.576 GB, free: 5.516 MB / 1.264 GB Notification: Performance of simCode: created event and clocks part: time 1.162e-05/1.945, allocations: 0 / 1.576 GB, free: 5.516 MB / 1.264 GB Notification: Performance of simCode: created simulation system equations: time 0.01162/1.957, allocations: 4.415 MB / 1.581 GB, free: 1.07 MB / 1.264 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002491/1.959, allocations: 269.8 kB / 1.581 GB, free: 0.8086 MB / 1.264 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02306/1.982, allocations: 8.949 MB / 1.59 GB, free: 7.754 MB / 1.279 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003591/1.986, allocations: 2.836 MB / 1.592 GB, free: 4.883 MB / 1.279 GB Notification: Performance of simCode: alias equations: time 0.004688/1.991, allocations: 1.66 MB / 1.594 GB, free: 3.219 MB / 1.279 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006844/1.992, allocations: 171.3 kB / 1.594 GB, free: 3.051 MB / 1.279 GB Notification: Performance of SimCode: time 1.012e-06/1.992, allocations: 0 / 1.594 GB, free: 3.051 MB / 1.279 GB Notification: Performance of Templates: time 0.1257/2.117, allocations: 80.34 MB / 1.673 GB, free: 2.926 MB / 1.357 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)