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 0.001771/0.001771, allocations: 108.7 kB / 16.41 MB, free: 6.027 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002007/0.002007, allocations: 186.2 kB / 17.34 MB, free: 5.633 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.36/1.36, allocations: 222.9 MB / 241 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 2.231/2.231, allocations: 390.2 MB / 0.6655 GB, free: 0.6484 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.001537/0.001537, allocations: 63.89 kB / 0.9516 GB, free: 7.566 MB / 0.7325 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.9039/0.9054, 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.UnbalancedStepDown.YD): time 0.02246/0.9279, allocations: 18.26 MB / 1.107 GB, free: 9.355 MB / 0.8731 GB Notification: Performance of NFInst.instExpressions: time 0.01329/0.9413, allocations: 6.816 MB / 1.113 GB, free: 4.711 MB / 0.8731 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002502/0.9438, allocations: 61.38 kB / 1.113 GB, free: 4.699 MB / 0.8731 GB Notification: Performance of NFTyping.typeComponents: time 0.004459/0.9483, allocations: 1.464 MB / 1.115 GB, free: 3.824 MB / 0.8731 GB Notification: Performance of NFTyping.typeBindings: time 0.004846/0.9531, allocations: 1.439 MB / 1.116 GB, free: 3.016 MB / 0.8731 GB Notification: Performance of NFTyping.typeClassSections: time 0.004191/0.9573, allocations: 1.256 MB / 1.117 GB, free: 2.344 MB / 0.8731 GB Notification: Performance of NFFlatten.flatten: time 0.008478/0.9658, allocations: 5.467 MB / 1.123 GB, free: 32 kB / 0.8731 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01105/0.9769, allocations: 7.137 MB / 1.13 GB, free: 13.21 MB / 0.8887 GB Notification: Performance of NFEvalConstants.evaluate: time 0.006546/0.9835, allocations: 2.375 MB / 1.132 GB, free: 12.14 MB / 0.8887 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006395/0.99, allocations: 2.968 MB / 1.135 GB, free: 10.9 MB / 0.8887 GB Notification: Performance of NFPackage.collectConstants: time 0.001918/0.9919, allocations: 0.5134 MB / 1.135 GB, free: 10.9 MB / 0.8887 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004285/0.9962, allocations: 1.268 MB / 1.137 GB, free: 10.62 MB / 0.8887 GB Notification: Performance of NFScalarize.scalarize: time 0.004287/1.001, allocations: 2.247 MB / 1.139 GB, free: 9.762 MB / 0.8887 GB Notification: Performance of NFVerifyModel.verify: time 0.006238/1.007, allocations: 2.189 MB / 1.141 GB, free: 8.348 MB / 0.8887 GB Notification: Performance of NFConvertDAE.convert: time 0.01787/1.025, allocations: 7.78 MB / 1.149 GB, free: 5.352 MB / 0.8887 GB Notification: Performance of FrontEnd - DAE generated: time 8.126e-06/1.025, allocations: 1.156 kB / 1.149 GB, free: 5.352 MB / 0.8887 GB Notification: Performance of FrontEnd: time 1.823e-06/1.025, allocations: 3.938 kB / 1.149 GB, free: 5.348 MB / 0.8887 GB Notification: Performance of Transformations before backend: time 0.0002917/1.025, allocations: 0 / 1.149 GB, free: 5.348 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 0.01436/1.039, allocations: 3.824 MB / 1.152 GB, free: 2.785 MB / 0.8887 GB Notification: Performance of prepare preOptimizeDAE: time 5.136e-05/1.039, allocations: 8.75 kB / 1.152 GB, free: 2.785 MB / 0.8887 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01405/1.054, allocations: 2.419 MB / 1.155 GB, free: 1.625 MB / 0.8887 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005916/1.059, allocations: 2.185 MB / 1.157 GB, free: 268 kB / 0.8887 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002417/1.06, allocations: 272.1 kB / 1.157 GB, free: 140 kB / 0.8887 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001707/1.061, allocations: 354.5 kB / 1.157 GB, free: 16 kB / 0.8887 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01957/1.081, allocations: 7.157 MB / 1.164 GB, free: 11.94 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.86e-05/1.081, allocations: 6.188 kB / 1.164 GB, free: 11.93 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006979/1.082, allocations: 151.2 kB / 1.164 GB, free: 11.82 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005474/1.082, allocations: 337.3 kB / 1.165 GB, free: 11.72 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01903/1.101, allocations: 7.041 MB / 1.172 GB, free: 8.168 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 0.04649/1.148, allocations: 26.54 MB / 1.198 GB, free: 12.16 MB / 0.9356 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009023/1.157, allocations: 4.996 MB / 1.202 GB, free: 6.863 MB / 0.9356 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006112/1.163, allocations: 2.619 MB / 1.205 GB, free: 4.227 MB / 0.9356 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003446/1.164, allocations: 127 kB / 1.205 GB, free: 4.086 MB / 0.9356 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.611e-05/1.164, allocations: 64.5 kB / 1.205 GB, free: 4.012 MB / 0.9356 GB Notification: Performance of pre-optimization done (n=208): time 3.767e-06/1.164, allocations: 0 / 1.205 GB, free: 4.012 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 0.1126/1.276, allocations: 30.98 MB / 1.235 GB, free: 4.938 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001286/1.276, allocations: 235.6 kB / 1.236 GB, free: 4.66 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003085/1.28, allocations: 1.477 MB / 1.237 GB, free: 3.176 MB / 0.9669 GB Notification: Performance of collectPreVariables (initialization): time 0.0007147/1.28, allocations: 65.7 kB / 1.237 GB, free: 3.105 MB / 0.9669 GB Notification: Performance of collectInitialEqns (initialization): time 0.001167/1.281, allocations: 1.497 MB / 1.239 GB, free: 1.586 MB / 0.9669 GB Notification: Performance of collectInitialBindings (initialization): time 0.001473/1.283, allocations: 0.9203 MB / 1.24 GB, free: 0.6523 MB / 0.9669 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002369/1.285, allocations: 0.6357 MB / 1.24 GB, free: 8 kB / 0.9669 GB Notification: Performance of setup shared object (initialization): time 0.0001187/1.285, allocations: 305.1 kB / 1.24 GB, free: 15.71 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006529/1.292, allocations: 2.694 MB / 1.243 GB, free: 13 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007106/1.299, allocations: 3.571 MB / 1.247 GB, free: 9.055 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01348/1.313, allocations: 6.399 MB / 1.253 GB, free: 2.258 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.71e-05/1.313, allocations: 8 kB / 1.253 GB, free: 2.25 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 0.03174/1.344, allocations: 11.03 MB / 1.264 GB, free: 7.121 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 5.31e-05/1.344, allocations: 20.84 kB / 1.264 GB, free: 7.102 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.948e-05/1.345, allocations: 28 kB / 1.264 GB, free: 7.074 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02081/1.365, allocations: 5.54 MB / 1.269 GB, free: 1.512 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00482/1.37, allocations: 0.9983 MB / 1.27 GB, free: 0.5117 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04741/1.418, allocations: 28.17 MB / 1.298 GB, free: 3.895 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005506/1.423, allocations: 0.5808 MB / 1.298 GB, free: 3.312 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009723/1.424, allocations: 147.9 kB / 1.298 GB, free: 3.168 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01002/1.434, allocations: 3.984 MB / 1.302 GB, free: 15.18 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007384/1.442, allocations: 3.536 MB / 1.306 GB, free: 11.27 MB / 1.045 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09168/1.533, allocations: 24.62 MB / 1.33 GB, free: 2.129 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.151e-05/1.533, allocations: 8 kB / 1.33 GB, free: 2.121 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 0.0311/1.565, allocations: 10.52 MB / 1.34 GB, free: 7.449 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 4.121e-05/1.565, allocations: 16 kB / 1.34 GB, free: 7.434 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.942e-05/1.565, allocations: 31.94 kB / 1.34 GB, free: 7.402 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01561/1.58, allocations: 4.319 MB / 1.344 GB, free: 3.066 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005046/1.585, allocations: 1.045 MB / 1.345 GB, free: 2.02 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03813/1.624, allocations: 27.11 MB / 1.372 GB, free: 6.172 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005276/1.629, allocations: 0.5575 MB / 1.372 GB, free: 5.613 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008603/1.63, allocations: 151.9 kB / 1.372 GB, free: 5.465 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 0.001621/1.631, allocations: 409.5 kB / 1.373 GB, free: 5.059 MB / 1.107 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00101/1.632, allocations: 197.7 kB / 1.373 GB, free: 4.863 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 0.02859/1.661, allocations: 10.17 MB / 1.383 GB, free: 10.61 MB / 1.123 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.533e-05/1.661, allocations: 31.94 kB / 1.383 GB, free: 10.58 MB / 1.123 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.448e-05/1.661, allocations: 12 kB / 1.383 GB, free: 10.57 MB / 1.123 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.125e-05/1.661, allocations: 15.94 kB / 1.383 GB, free: 10.55 MB / 1.123 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 0.04481/1.706, allocations: 16.27 MB / 1.399 GB, free: 10.03 MB / 1.139 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.382e-05/1.706, allocations: 8 kB / 1.399 GB, free: 10.02 MB / 1.139 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003683/1.71, allocations: 0.7217 MB / 1.4 GB, free: 9.301 MB / 1.139 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01909/1.729, allocations: 5.181 MB / 1.405 GB, free: 4.105 MB / 1.139 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007945/1.73, allocations: 79.95 kB / 1.405 GB, free: 4.027 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04182/1.772, allocations: 27.24 MB / 1.431 GB, free: 8.281 MB / 1.17 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.358e-05/1.772, allocations: 15.97 kB / 1.431 GB, free: 8.266 MB / 1.17 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 0.02856/1.8, allocations: 10.1 MB / 1.441 GB, free: 13.91 MB / 1.186 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002249/1.803, allocations: 0.7249 MB / 1.442 GB, free: 13.16 MB / 1.186 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001046/1.804, allocations: 55.98 kB / 1.442 GB, free: 13.11 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00431/1.808, allocations: 0.507 MB / 1.442 GB, free: 12.6 MB / 1.186 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001052/1.809, allocations: 226.4 kB / 1.443 GB, free: 12.38 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004825/1.809, allocations: 87.95 kB / 1.443 GB, free: 12.3 MB / 1.186 GB Notification: Performance of sorting global known variables: time 0.00205/1.812, allocations: 1.005 MB / 1.444 GB, free: 11.29 MB / 1.186 GB Notification: Performance of sort global known variables: time 1.7e-07/1.812, allocations: 3.938 kB / 1.444 GB, free: 11.29 MB / 1.186 GB Notification: Performance of remove unused functions: time 0.009269/1.821, allocations: 1.855 MB / 1.446 GB, free: 9.43 MB / 1.186 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 0.000799/1.822, allocations: 183 kB / 1.446 GB, free: 9.242 MB / 1.186 GB Notification: Performance of simCode: created initialization part: time 0.03123/1.853, allocations: 12.45 MB / 1.458 GB, free: 12.68 MB / 1.201 GB Notification: Performance of simCode: created event and clocks part: time 2.602e-05/1.853, allocations: 4 kB / 1.458 GB, free: 12.68 MB / 1.201 GB Notification: Performance of simCode: created simulation system equations: time 0.01127/1.864, allocations: 4.429 MB / 1.462 GB, free: 8.199 MB / 1.201 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003343/1.868, allocations: 285.9 kB / 1.462 GB, free: 7.926 MB / 1.201 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0284/1.896, allocations: 10.06 MB / 1.472 GB, free: 13.74 MB / 1.217 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004461/1.901, allocations: 2.912 MB / 1.475 GB, free: 10.79 MB / 1.217 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001311/1.902, allocations: 211.3 kB / 1.475 GB, free: 10.58 MB / 1.217 GB Notification: Performance of SimCode: time 7.11e-07/1.902, allocations: 0 / 1.475 GB, free: 10.58 MB / 1.217 GB Notification: Performance of Templates: time 0.785/2.687, allocations: 108.1 MB / 1.581 GB, free: 431.2 MB / 1.311 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)