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 0.00161/0.00161, allocations: 111.3 kB / 15.23 MB, free: 0.6602 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00158/0.00158, allocations: 194.9 kB / 16.14 MB, free: 6.645 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.418/1.418, allocations: 222.9 MB / 239.8 MB, free: 4.602 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.793/2.793, allocations: 461.9 MB / 0.7342 GB, free: 14.97 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001514/0.001514, allocations: 76.59 kB / 0.8984 GB, free: 37.2 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3619/0.3635, allocations: 157.4 MB / 1.052 GB, free: 8.816 MB / 0.8106 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02143/0.3849, allocations: 18.16 MB / 1.07 GB, free: 6.582 MB / 0.8262 GB Notification: Performance of NFInst.instExpressions: time 0.01319/0.3982, allocations: 6.859 MB / 1.077 GB, free: 15.71 MB / 0.8419 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002323/0.4005, allocations: 43.88 kB / 1.077 GB, free: 15.66 MB / 0.8419 GB Notification: Performance of NFTyping.typeComponents: time 0.004057/0.4047, allocations: 1.357 MB / 1.078 GB, free: 14.3 MB / 0.8419 GB Notification: Performance of NFTyping.typeBindings: time 0.004148/0.4088, allocations: 1.347 MB / 1.079 GB, free: 12.95 MB / 0.8419 GB Notification: Performance of NFTyping.typeClassSections: time 0.003605/0.4125, allocations: 1.169 MB / 1.08 GB, free: 11.79 MB / 0.8419 GB Notification: Performance of NFFlatten.flatten: time 0.008442/0.4209, allocations: 8.514 MB / 1.089 GB, free: 3.254 MB / 0.8419 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01391/0.4349, allocations: 7.946 MB / 1.096 GB, free: 11.21 MB / 0.8575 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004592/0.4395, allocations: 1.986 MB / 1.098 GB, free: 9.215 MB / 0.8575 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005994/0.4456, allocations: 3.074 MB / 1.101 GB, free: 6.133 MB / 0.8575 GB Notification: Performance of NFPackage.collectConstants: time 0.001962/0.4476, allocations: 368 kB / 1.102 GB, free: 5.773 MB / 0.8575 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004067/0.4516, allocations: 1.299 MB / 1.103 GB, free: 4.473 MB / 0.8575 GB Notification: Performance of NFScalarize.scalarize: time 0.004118/0.4558, allocations: 2.086 MB / 1.105 GB, free: 2.383 MB / 0.8575 GB Notification: Performance of NFVerifyModel.verify: time 0.005445/0.4613, allocations: 2.026 MB / 1.107 GB, free: 356 kB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.01155/0.4728, allocations: 7.67 MB / 1.115 GB, free: 8.656 MB / 0.8731 GB Notification: Performance of FrontEnd - DAE generated: time 1.055e-05/0.4729, allocations: 0 / 1.115 GB, free: 8.656 MB / 0.8731 GB Notification: Performance of FrontEnd: time 2.945e-06/0.4729, allocations: 0 / 1.115 GB, free: 8.656 MB / 0.8731 GB Notification: Performance of Transformations before backend: time 0.0004131/0.4734, allocations: 4 kB / 1.115 GB, free: 8.652 MB / 0.8731 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 0.01439/0.4878, allocations: 3.823 MB / 1.118 GB, free: 4.77 MB / 0.8731 GB Notification: Performance of prepare preOptimizeDAE: time 4.846e-05/0.4878, allocations: 8.031 kB / 1.118 GB, free: 4.762 MB / 0.8731 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01418/0.502, allocations: 2.415 MB / 1.121 GB, free: 2.34 MB / 0.8731 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005678/0.5077, allocations: 2.163 MB / 1.123 GB, free: 136 kB / 0.8731 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003248/0.5081, allocations: 271.5 kB / 1.123 GB, free: 15.87 MB / 0.8887 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001841/0.51, allocations: 355.9 kB / 1.123 GB, free: 15.52 MB / 0.8887 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01986/0.5298, allocations: 7.152 MB / 1.13 GB, free: 8.266 MB / 0.8887 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.551e-05/0.53, allocations: 7.844 kB / 1.13 GB, free: 8.258 MB / 0.8887 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005133/0.5305, allocations: 152 kB / 1.13 GB, free: 8.109 MB / 0.8887 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005197/0.531, allocations: 330.1 kB / 1.131 GB, free: 7.785 MB / 0.8887 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01799/0.5491, allocations: 7.051 MB / 1.138 GB, free: 0.7188 MB / 0.8887 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 0.03744/0.5865, allocations: 26.74 MB / 1.164 GB, free: 3.789 MB / 0.92 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008584/0.5952, allocations: 4.983 MB / 1.169 GB, free: 14.5 MB / 0.9356 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00616/0.6014, allocations: 2.6 MB / 1.171 GB, free: 11.89 MB / 0.9356 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000448/0.6019, allocations: 135 kB / 1.171 GB, free: 11.74 MB / 0.9356 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 9.819e-05/0.602, allocations: 56.56 kB / 1.171 GB, free: 11.67 MB / 0.9356 GB Notification: Performance of pre-optimization done (n=208): time 4.718e-06/0.602, allocations: 0 / 1.171 GB, free: 11.67 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 0.1084/0.7104, allocations: 30.95 MB / 1.202 GB, free: 12.64 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001449/0.7106, allocations: 247.5 kB / 1.202 GB, free: 12.35 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003065/0.7137, allocations: 1.469 MB / 1.203 GB, free: 10.87 MB / 0.9669 GB Notification: Performance of collectPreVariables (initialization): time 0.0006927/0.7144, allocations: 69.7 kB / 1.203 GB, free: 10.8 MB / 0.9669 GB Notification: Performance of collectInitialEqns (initialization): time 0.001187/0.7156, allocations: 1.497 MB / 1.205 GB, free: 9.277 MB / 0.9669 GB Notification: Performance of collectInitialBindings (initialization): time 0.001685/0.7173, allocations: 0.9203 MB / 1.206 GB, free: 8.344 MB / 0.9669 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002327/0.7196, allocations: 0.6358 MB / 1.206 GB, free: 7.699 MB / 0.9669 GB Notification: Performance of setup shared object (initialization): time 0.0001156/0.7198, allocations: 305.1 kB / 1.207 GB, free: 7.398 MB / 0.9669 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006779/0.7266, allocations: 2.686 MB / 1.209 GB, free: 4.703 MB / 0.9669 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.008/0.7346, allocations: 3.571 MB / 1.213 GB, free: 0.7539 MB / 0.9669 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01435/0.749, allocations: 6.403 MB / 1.219 GB, free: 9.949 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.928e-05/0.7491, allocations: 8 kB / 1.219 GB, free: 9.941 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 0.03032/0.7794, allocations: 11.03 MB / 1.23 GB, free: 14.82 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 5.318e-05/0.7795, allocations: 17.09 kB / 1.23 GB, free: 14.8 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.874e-05/0.7796, allocations: 24 kB / 1.23 GB, free: 14.78 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02079/0.8003, allocations: 5.536 MB / 1.235 GB, free: 9.223 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004572/0.805, allocations: 0.9905 MB / 1.236 GB, free: 8.23 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.7209/1.526, allocations: 25.78 MB / 1.261 GB, free: 168.1 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005278/1.531, allocations: 0.5791 MB / 1.262 GB, free: 168.1 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007949/1.532, allocations: 151.8 kB / 1.262 GB, free: 168.1 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01042/1.542, allocations: 3.983 MB / 1.266 GB, free: 168 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.008211/1.551, allocations: 3.531 MB / 1.269 GB, free: 166.3 MB / 0.9981 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09008/1.641, allocations: 24.62 MB / 1.293 GB, free: 159 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.679e-05/1.641, allocations: 19.3 kB / 1.293 GB, free: 159 MB / 0.9981 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 0.02593/1.667, allocations: 10.52 MB / 1.304 GB, free: 153.2 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 6.96e-05/1.667, allocations: 15.41 kB / 1.304 GB, free: 153.2 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.935e-05/1.667, allocations: 26.88 kB / 1.304 GB, free: 153.2 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.015/1.682, allocations: 4.335 MB / 1.308 GB, free: 149.3 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004705/1.687, allocations: 1.037 MB / 1.309 GB, free: 148.2 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02948/1.716, allocations: 24.95 MB / 1.333 GB, free: 122.7 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004936/1.721, allocations: 0.5537 MB / 1.334 GB, free: 122.2 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008478/1.722, allocations: 147.9 kB / 1.334 GB, free: 122 MB / 0.9981 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.i1[2] - line2.i3[2] 0.0 = (-line2.i2[1]) - line2.i1[1] - line2.i3[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 0.001756/1.724, allocations: 401.5 kB / 1.334 GB, free: 121.7 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001013/1.725, allocations: 201.6 kB / 1.335 GB, free: 121.5 MB / 0.9981 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 0.02532/1.75, allocations: 10.17 MB / 1.345 GB, free: 111.2 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.176e-05/1.75, allocations: 28 kB / 1.345 GB, free: 111.2 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.691e-05/1.751, allocations: 12 kB / 1.345 GB, free: 111.2 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.506e-05/1.751, allocations: 15.94 kB / 1.345 GB, free: 111.2 MB / 0.9981 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 0.04413/1.795, allocations: 16.31 MB / 1.361 GB, free: 94.68 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.773e-05/1.795, allocations: 12 kB / 1.361 GB, free: 94.67 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003339/1.798, allocations: 0.7339 MB / 1.361 GB, free: 93.94 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01776/1.816, allocations: 5.173 MB / 1.366 GB, free: 88.75 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000746/1.817, allocations: 71.95 kB / 1.366 GB, free: 88.68 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03278/1.85, allocations: 24.86 MB / 1.391 GB, free: 63.36 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.103e-05/1.85, allocations: 16.03 kB / 1.391 GB, free: 63.34 MB / 0.9981 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 0.02365/1.873, allocations: 10.1 MB / 1.401 GB, free: 53 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001832/1.875, allocations: 0.7318 MB / 1.401 GB, free: 52.25 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008174/1.876, allocations: 52 kB / 1.401 GB, free: 52.2 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003643/1.88, allocations: 0.5109 MB / 1.402 GB, free: 51.69 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001024/1.881, allocations: 226.3 kB / 1.402 GB, free: 51.47 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003863/1.881, allocations: 91.95 kB / 1.402 GB, free: 51.38 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.001751/1.883, allocations: 1.005 MB / 1.403 GB, free: 50.37 MB / 0.9981 GB Notification: Performance of sort global known variables: time 4.11e-07/1.883, allocations: 0 / 1.403 GB, free: 50.37 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.007724/1.891, allocations: 1.856 MB / 1.405 GB, free: 48.52 MB / 0.9981 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 0.0005788/1.891, allocations: 174.5 kB / 1.405 GB, free: 48.34 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.02661/1.918, allocations: 12.4 MB / 1.417 GB, free: 35.84 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 1.245e-05/1.918, allocations: 4.938 kB / 1.417 GB, free: 35.83 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.009509/1.927, allocations: 4.405 MB / 1.422 GB, free: 31.39 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002888/1.93, allocations: 289.1 kB / 1.422 GB, free: 31.11 MB / 0.9981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02325/1.954, allocations: 11.13 MB / 1.433 GB, free: 19.87 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003611/1.957, allocations: 2.846 MB / 1.435 GB, free: 16.99 MB / 0.9981 GB Notification: Performance of simCode: alias equations: time 0.005524/1.963, allocations: 1.665 MB / 1.437 GB, free: 15.32 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008929/1.964, allocations: 171.3 kB / 1.437 GB, free: 15.15 MB / 0.9981 GB Notification: Performance of SimCode: time 1.072e-06/1.964, allocations: 0 / 1.437 GB, free: 15.15 MB / 0.9981 GB Notification: Performance of Templates: time 0.111/2.075, allocations: 75.51 MB / 1.511 GB, free: 3.816 MB / 1.061 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)