Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_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 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.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_9_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_9_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 0.00141/0.00141, allocations: 118.1 kB / 16.42 MB, free: 6.012 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001676/0.001676, allocations: 183.4 kB / 17.35 MB, free: 5.629 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.409/1.409, allocations: 222.9 MB / 241.1 MB, free: 15.14 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 2.254/2.254, allocations: 390.3 MB / 0.6655 GB, free: 0.6523 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.001497/0.001497, allocations: 63.91 kB / 0.9516 GB, free: 7.57 MB / 0.7325 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8692/0.8707, allocations: 140.4 MB / 1.089 GB, free: 5.516 MB / 0.8575 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02256/0.8933, allocations: 18.19 MB / 1.106 GB, free: 9.406 MB / 0.8731 GB Notification: Performance of NFInst.instExpressions: time 0.01232/0.9057, allocations: 6.792 MB / 1.113 GB, free: 4.781 MB / 0.8731 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002242/0.908, allocations: 59.75 kB / 1.113 GB, free: 4.77 MB / 0.8731 GB Notification: Performance of NFTyping.typeComponents: time 0.00407/0.9121, allocations: 1.464 MB / 1.115 GB, free: 3.898 MB / 0.8731 GB Notification: Performance of NFTyping.typeBindings: time 0.004302/0.9164, allocations: 1.447 MB / 1.116 GB, free: 3.086 MB / 0.8731 GB Notification: Performance of NFTyping.typeClassSections: time 0.00382/0.9202, allocations: 1.265 MB / 1.117 GB, free: 2.402 MB / 0.8731 GB Notification: Performance of NFFlatten.flatten: time 0.007444/0.9277, allocations: 5.438 MB / 1.123 GB, free: 116 kB / 0.8731 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01051/0.9382, allocations: 7.082 MB / 1.129 GB, free: 13.32 MB / 0.8887 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004568/0.9428, allocations: 2.365 MB / 1.132 GB, free: 12.26 MB / 0.8887 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005903/0.9487, allocations: 2.955 MB / 1.135 GB, free: 11.02 MB / 0.8887 GB Notification: Performance of NFPackage.collectConstants: time 0.002426/0.9512, allocations: 0.5115 MB / 1.135 GB, free: 11.02 MB / 0.8887 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004588/0.9558, allocations: 1.256 MB / 1.136 GB, free: 10.75 MB / 0.8887 GB Notification: Performance of NFScalarize.scalarize: time 0.004793/0.9606, allocations: 2.234 MB / 1.139 GB, free: 9.898 MB / 0.8887 GB Notification: Performance of NFVerifyModel.verify: time 0.005048/0.9657, allocations: 2.176 MB / 1.141 GB, free: 8.488 MB / 0.8887 GB Notification: Performance of NFConvertDAE.convert: time 0.01193/0.9776, allocations: 7.722 MB / 1.148 GB, free: 5.555 MB / 0.8887 GB Notification: Performance of FrontEnd - DAE generated: time 4.769e-06/0.9776, allocations: 0 / 1.148 GB, free: 5.555 MB / 0.8887 GB Notification: Performance of FrontEnd: time 1.823e-06/0.9776, allocations: 5.188 kB / 1.148 GB, free: 5.551 MB / 0.8887 GB Notification: Performance of Transformations before backend: time 0.0002664/0.9779, allocations: 4 kB / 1.148 GB, free: 5.547 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: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01329/0.9912, allocations: 3.78 MB / 1.152 GB, free: 3.016 MB / 0.8887 GB Notification: Performance of prepare preOptimizeDAE: time 5.026e-05/0.9913, allocations: 8.625 kB / 1.152 GB, free: 3.016 MB / 0.8887 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0139/1.005, allocations: 2.405 MB / 1.154 GB, free: 1.863 MB / 0.8887 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006901/1.012, allocations: 2.182 MB / 1.156 GB, free: 0.5 MB / 0.8887 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003677/1.013, allocations: 265.7 kB / 1.157 GB, free: 388 kB / 0.8887 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002282/1.015, allocations: 344.5 kB / 1.157 GB, free: 272 kB / 0.8887 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02255/1.037, allocations: 7.122 MB / 1.164 GB, free: 12.21 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001774/1.038, allocations: 10.25 kB / 1.164 GB, free: 12.2 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001861/1.039, allocations: 151 kB / 1.164 GB, free: 12.08 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006374/1.04, allocations: 327.7 kB / 1.164 GB, free: 11.99 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0196/1.06, allocations: 7.036 MB / 1.171 GB, free: 8.438 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 0.04456/1.104, allocations: 26.41 MB / 1.197 GB, free: 12.72 MB / 0.9356 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008951/1.113, allocations: 4.998 MB / 1.202 GB, free: 7.414 MB / 0.9356 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006185/1.12, allocations: 2.616 MB / 1.205 GB, free: 4.781 MB / 0.9356 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003126/1.12, allocations: 131 kB / 1.205 GB, free: 4.637 MB / 0.9356 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.312e-05/1.12, allocations: 60.5 kB / 1.205 GB, free: 4.566 MB / 0.9356 GB Notification: Performance of pre-optimization done (n=208): time 4.538e-06/1.12, allocations: 0 / 1.205 GB, free: 4.566 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 0.1119/1.232, allocations: 30.92 MB / 1.235 GB, free: 5.551 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001266/1.232, allocations: 235.6 kB / 1.235 GB, free: 5.273 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002855/1.235, allocations: 1.427 MB / 1.237 GB, free: 3.836 MB / 0.9669 GB Notification: Performance of collectPreVariables (initialization): time 0.0006675/1.236, allocations: 77.7 kB / 1.237 GB, free: 3.754 MB / 0.9669 GB Notification: Performance of collectInitialEqns (initialization): time 0.001123/1.237, allocations: 1.478 MB / 1.238 GB, free: 2.254 MB / 0.9669 GB Notification: Performance of collectInitialBindings (initialization): time 0.001352/1.238, allocations: 0.9242 MB / 1.239 GB, free: 1.316 MB / 0.9669 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001903/1.24, allocations: 0.628 MB / 1.24 GB, free: 0.6797 MB / 0.9669 GB Notification: Performance of setup shared object (initialization): time 0.0001092/1.24, allocations: 309.1 kB / 1.24 GB, free: 384 kB / 0.9669 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006595/1.247, allocations: 2.694 MB / 1.242 GB, free: 13.67 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007359/1.254, allocations: 3.567 MB / 1.246 GB, free: 9.727 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01401/1.268, allocations: 6.41 MB / 1.252 GB, free: 2.918 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.721e-05/1.268, allocations: 8 kB / 1.252 GB, free: 2.91 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 0.03166/1.3, allocations: 11.03 MB / 1.263 GB, free: 7.777 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 5.633e-05/1.3, allocations: 18.5 kB / 1.263 GB, free: 7.762 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.084e-05/1.3, allocations: 24.75 kB / 1.263 GB, free: 7.738 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02075/1.321, allocations: 5.544 MB / 1.268 GB, free: 2.176 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004835/1.326, allocations: 0.9906 MB / 1.269 GB, free: 1.184 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04856/1.374, allocations: 28.19 MB / 1.297 GB, free: 4.535 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005446/1.38, allocations: 0.5693 MB / 1.298 GB, free: 3.965 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00113/1.381, allocations: 151.9 kB / 1.298 GB, free: 3.816 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01032/1.391, allocations: 3.984 MB / 1.302 GB, free: 15.82 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007774/1.399, allocations: 3.536 MB / 1.305 GB, free: 11.91 MB / 1.045 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09388/1.493, allocations: 24.64 MB / 1.329 GB, free: 2.762 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.964e-05/1.493, allocations: 8 kB / 1.329 GB, free: 2.754 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 0.02892/1.522, allocations: 10.54 MB / 1.339 GB, free: 8.062 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 4.228e-05/1.522, allocations: 16 kB / 1.339 GB, free: 8.047 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.258e-05/1.522, allocations: 24 kB / 1.339 GB, free: 8.023 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01638/1.538, allocations: 4.323 MB / 1.344 GB, free: 3.684 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005295/1.544, allocations: 1.045 MB / 1.345 GB, free: 2.637 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04003/1.584, allocations: 27.1 MB / 1.371 GB, free: 6.812 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005154/1.589, allocations: 0.5497 MB / 1.372 GB, free: 6.262 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007808/1.59, allocations: 151.9 kB / 1.372 GB, free: 6.113 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 0.001414/1.591, allocations: 406.3 kB / 1.372 GB, free: 5.711 MB / 1.107 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008735/1.592, allocations: 197.7 kB / 1.372 GB, free: 5.516 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 0.02926/1.621, allocations: 10.17 MB / 1.382 GB, free: 11.27 MB / 1.123 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.202e-05/1.622, allocations: 15.95 kB / 1.382 GB, free: 11.25 MB / 1.123 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.087e-06/1.622, allocations: 4 kB / 1.382 GB, free: 11.25 MB / 1.123 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002511/1.624, allocations: 0.7289 MB / 1.383 GB, free: 10.5 MB / 1.123 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001132/1.625, allocations: 44 kB / 1.383 GB, free: 10.46 MB / 1.123 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004563/1.63, allocations: 0.5031 MB / 1.384 GB, free: 9.953 MB / 1.123 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001069/1.631, allocations: 285.4 kB / 1.384 GB, free: 9.676 MB / 1.123 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.02582/1.657, allocations: 9.414 MB / 1.393 GB, free: 240 kB / 1.123 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.02022/1.677, allocations: 8.89 MB / 1.402 GB, free: 7.262 MB / 1.139 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.006682/1.684, allocations: 2.666 MB / 1.404 GB, free: 4.598 MB / 1.139 GB Notification: Performance of sorting global known variables: time 0.002148/1.686, allocations: 0.9723 MB / 1.405 GB, free: 3.621 MB / 1.139 GB Notification: Performance of Backend: time 3.31e-07/1.686, allocations: 0 / 1.405 GB, free: 3.621 MB / 1.139 GB Notification: Performance of simCode: created initialization part: time 0.03218/1.718, allocations: 10.55 MB / 1.416 GB, free: 8.98 MB / 1.154 GB Notification: Performance of SimCode: time 0.01547/1.734, allocations: 7.224 MB / 1.423 GB, free: 1.707 MB / 1.154 GB Notification: Performance of Templates: time 0.1505/1.884, allocations: 95.07 MB / 1.515 GB, free: 2.793 MB / 1.248 GB make -j1 -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)