Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_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 9.1.3-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.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.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_9_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_9_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 0.001132/0.001132, allocations: 114.6 kB / 16.42 MB, free: 6.5 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001656/0.001657, allocations: 187.9 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 1.413/1.413, allocations: 222.9 MB / 241.1 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.241/2.241, allocations: 390.3 MB / 0.6655 GB, free: 0.5977 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.001414/0.001414, allocations: 67.89 kB / 0.9516 GB, free: 7.508 MB / 0.7325 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8421/0.8435, allocations: 140.4 MB / 1.089 GB, free: 5.75 MB / 0.8575 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02436/0.8679, allocations: 18.26 MB / 1.107 GB, free: 9.594 MB / 0.8731 GB Notification: Performance of NFInst.instExpressions: time 0.01392/0.8819, allocations: 6.816 MB / 1.113 GB, free: 4.949 MB / 0.8731 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002415/0.8844, allocations: 56.72 kB / 1.113 GB, free: 4.941 MB / 0.8731 GB Notification: Performance of NFTyping.typeComponents: time 0.004137/0.8885, allocations: 1.476 MB / 1.115 GB, free: 4.059 MB / 0.8731 GB Notification: Performance of NFTyping.typeBindings: time 0.004512/0.893, allocations: 1.46 MB / 1.116 GB, free: 3.234 MB / 0.8731 GB Notification: Performance of NFTyping.typeClassSections: time 0.004199/0.8973, allocations: 1.27 MB / 1.117 GB, free: 2.547 MB / 0.8731 GB Notification: Performance of NFFlatten.flatten: time 0.008226/0.9055, allocations: 5.461 MB / 1.123 GB, free: 252 kB / 0.8731 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01131/0.9168, allocations: 7.124 MB / 1.13 GB, free: 13.43 MB / 0.8887 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005613/0.9225, allocations: 2.382 MB / 1.132 GB, free: 12.36 MB / 0.8887 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006663/0.9292, allocations: 2.975 MB / 1.135 GB, free: 11.11 MB / 0.8887 GB Notification: Performance of NFPackage.collectConstants: time 0.002274/0.9315, allocations: 0.5138 MB / 1.135 GB, free: 11.11 MB / 0.8887 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005293/0.9368, allocations: 1.268 MB / 1.137 GB, free: 10.84 MB / 0.8887 GB Notification: Performance of NFScalarize.scalarize: time 0.005108/0.9419, allocations: 2.243 MB / 1.139 GB, free: 9.977 MB / 0.8887 GB Notification: Performance of NFVerifyModel.verify: time 0.007387/0.9493, allocations: 2.184 MB / 1.141 GB, free: 8.566 MB / 0.8887 GB Notification: Performance of NFConvertDAE.convert: time 0.01331/0.9627, allocations: 7.785 MB / 1.149 GB, free: 5.531 MB / 0.8887 GB Notification: Performance of FrontEnd - DAE generated: time 5.37e-06/0.9627, allocations: 4 kB / 1.149 GB, free: 5.527 MB / 0.8887 GB Notification: Performance of FrontEnd: time 2.895e-06/0.9627, allocations: 0.9062 kB / 1.149 GB, free: 5.527 MB / 0.8887 GB Notification: Performance of Transformations before backend: time 0.0002681/0.963, allocations: 0 / 1.149 GB, free: 5.527 MB / 0.8887 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 0.01746/0.9805, allocations: 3.833 MB / 1.152 GB, free: 2.957 MB / 0.8887 GB Notification: Performance of prepare preOptimizeDAE: time 5.733e-05/0.9806, allocations: 8.688 kB / 1.152 GB, free: 2.957 MB / 0.8887 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01573/0.9963, allocations: 2.41 MB / 1.155 GB, free: 1.805 MB / 0.8887 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007594/1.004, allocations: 2.19 MB / 1.157 GB, free: 448 kB / 0.8887 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003824/1.004, allocations: 263 kB / 1.157 GB, free: 328 kB / 0.8887 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002229/1.007, allocations: 359.5 kB / 1.157 GB, free: 200 kB / 0.8887 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02214/1.029, allocations: 7.16 MB / 1.164 GB, free: 12.11 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001749/1.029, allocations: 2.156 kB / 1.164 GB, free: 12.11 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00146/1.03, allocations: 143.8 kB / 1.165 GB, free: 12 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006423/1.031, allocations: 336.8 kB / 1.165 GB, free: 11.91 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02114/1.052, allocations: 7.053 MB / 1.172 GB, free: 8.344 MB / 0.9044 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 0.04175/1.094, allocations: 26.54 MB / 1.198 GB, free: 12.25 MB / 0.9356 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0087/1.103, allocations: 4.984 MB / 1.203 GB, free: 6.957 MB / 0.9356 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006087/1.109, allocations: 2.623 MB / 1.205 GB, free: 4.316 MB / 0.9356 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002776/1.109, allocations: 135 kB / 1.205 GB, free: 4.168 MB / 0.9356 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.025e-05/1.109, allocations: 64.48 kB / 1.205 GB, free: 4.094 MB / 0.9356 GB Notification: Performance of pre-optimization done (n=208): time 4.738e-06/1.109, allocations: 4 kB / 1.205 GB, free: 4.09 MB / 0.9356 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 0.1106/1.22, allocations: 30.98 MB / 1.236 GB, free: 5.016 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001137/1.22, allocations: 235.6 kB / 1.236 GB, free: 4.738 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002568/1.223, allocations: 1.473 MB / 1.237 GB, free: 3.258 MB / 0.9669 GB Notification: Performance of collectPreVariables (initialization): time 0.0004948/1.223, allocations: 69.7 kB / 1.237 GB, free: 3.184 MB / 0.9669 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009823/1.224, allocations: 1.497 MB / 1.239 GB, free: 1.664 MB / 0.9669 GB Notification: Performance of collectInitialBindings (initialization): time 0.001239/1.225, allocations: 0.9242 MB / 1.24 GB, free: 0.7266 MB / 0.9669 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001547/1.227, allocations: 0.6318 MB / 1.24 GB, free: 88 kB / 0.9669 GB Notification: Performance of setup shared object (initialization): time 0.0001194/1.227, allocations: 301.1 kB / 1.241 GB, free: 15.79 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006233/1.233, allocations: 2.69 MB / 1.243 GB, free: 13.09 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006698/1.24, allocations: 3.571 MB / 1.247 GB, free: 9.141 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01307/1.253, allocations: 6.402 MB / 1.253 GB, free: 2.34 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.509e-05/1.253, allocations: 8 kB / 1.253 GB, free: 2.332 MB / 0.9825 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 0.03024/1.283, allocations: 11.03 MB / 1.264 GB, free: 7.199 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 4.256e-05/1.283, allocations: 16 kB / 1.264 GB, free: 7.184 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.519e-05/1.283, allocations: 28.56 kB / 1.264 GB, free: 7.156 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02058/1.304, allocations: 5.532 MB / 1.269 GB, free: 1.605 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004708/1.309, allocations: 0.9945 MB / 1.27 GB, free: 0.6094 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0452/1.354, allocations: 28.17 MB / 1.298 GB, free: 3.977 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005217/1.359, allocations: 0.5769 MB / 1.298 GB, free: 3.398 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007734/1.36, allocations: 155.9 kB / 1.298 GB, free: 3.246 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009192/1.369, allocations: 3.98 MB / 1.302 GB, free: 15.25 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007079/1.376, allocations: 3.532 MB / 1.306 GB, free: 11.35 MB / 1.045 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09058/1.467, allocations: 24.62 MB / 1.33 GB, free: 2.219 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.003e-05/1.467, allocations: 8 kB / 1.33 GB, free: 2.211 MB / 1.061 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 0.02716/1.494, allocations: 10.53 MB / 1.34 GB, free: 7.531 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 5.089e-05/1.494, allocations: 16 kB / 1.34 GB, free: 7.516 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.756e-05/1.494, allocations: 28 kB / 1.34 GB, free: 7.488 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01585/1.51, allocations: 4.326 MB / 1.344 GB, free: 3.145 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005203/1.515, allocations: 1.037 MB / 1.345 GB, free: 2.105 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03921/1.555, allocations: 27.12 MB / 1.372 GB, free: 6.258 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005475/1.56, allocations: 0.5574 MB / 1.372 GB, free: 5.699 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009419/1.561, allocations: 156 kB / 1.372 GB, free: 5.547 MB / 1.107 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 0.001705/1.563, allocations: 408.9 kB / 1.373 GB, free: 5.141 MB / 1.107 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001039/1.564, allocations: 197.7 kB / 1.373 GB, free: 4.945 MB / 1.107 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 0.02798/1.592, allocations: 10.17 MB / 1.383 GB, free: 10.7 MB / 1.123 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.025e-05/1.592, allocations: 15.89 kB / 1.383 GB, free: 10.68 MB / 1.123 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.146e-05/1.592, allocations: 4 kB / 1.383 GB, free: 10.68 MB / 1.123 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002475/1.595, allocations: 0.721 MB / 1.384 GB, free: 9.934 MB / 1.123 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009318/1.595, allocations: 44 kB / 1.384 GB, free: 9.891 MB / 1.123 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004085/1.6, allocations: 0.507 MB / 1.384 GB, free: 9.383 MB / 1.123 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008874/1.6, allocations: 285.5 kB / 1.384 GB, free: 9.105 MB / 1.123 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.02539/1.626, allocations: 9.418 MB / 1.394 GB, free: 15.66 MB / 1.139 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.01912/1.645, allocations: 8.89 MB / 1.402 GB, free: 6.688 MB / 1.139 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.006139/1.651, allocations: 2.665 MB / 1.405 GB, free: 4.023 MB / 1.139 GB Notification: Performance of sorting global known variables: time 0.00268/1.654, allocations: 1.001 MB / 1.406 GB, free: 3.02 MB / 1.139 GB Notification: Performance of Backend: time 5.81e-07/1.654, allocations: 0 / 1.406 GB, free: 3.02 MB / 1.139 GB Notification: Performance of simCode: created initialization part: time 0.03013/1.684, allocations: 10.56 MB / 1.416 GB, free: 8.375 MB / 1.154 GB Notification: Performance of SimCode: time 0.0154/1.7, allocations: 7.285 MB / 1.423 GB, free: 1.039 MB / 1.154 GB Notification: Performance of Templates: time 0.148/1.848, allocations: 95.64 MB / 1.517 GB, free: 1.566 MB / 1.248 GB make -j1 -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)