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 0.001653/0.001653, 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 0.001877/0.001877, allocations: 195 kB / 16.14 MB, free: 6.648 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.446/1.446, allocations: 222.9 MB / 239.8 MB, free: 4.586 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.587/2.587, allocations: 390.2 MB / 0.6642 GB, free: 0.5742 MB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.001429/0.001429, allocations: 67.91 kB / 0.8119 GB, free: 14.83 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8366/0.838, allocations: 140.4 MB / 0.949 GB, free: 9.246 MB / 0.7169 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02335/0.8615, allocations: 18.06 MB / 0.9666 GB, free: 11.54 MB / 0.7325 GB Notification: Performance of NFInst.instExpressions: time 0.01418/0.8757, allocations: 6.847 MB / 0.9733 GB, free: 6.18 MB / 0.7325 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002824/0.8786, allocations: 47.81 kB / 0.9733 GB, free: 6.168 MB / 0.7325 GB Notification: Performance of NFTyping.typeComponents: time 0.004802/0.8834, allocations: 1.358 MB / 0.9746 GB, free: 5.117 MB / 0.7325 GB Notification: Performance of NFTyping.typeBindings: time 0.005259/0.8887, allocations: 1.344 MB / 0.976 GB, free: 4.07 MB / 0.7325 GB Notification: Performance of NFTyping.typeClassSections: time 0.00406/0.8928, allocations: 1.15 MB / 0.9771 GB, free: 3.188 MB / 0.7325 GB Notification: Performance of NFFlatten.flatten: time 0.01016/0.903, allocations: 8.496 MB / 0.9854 GB, free: 12.71 MB / 0.7481 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01337/0.9164, allocations: 7.894 MB / 0.9931 GB, free: 4.711 MB / 0.7481 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005254/0.9217, allocations: 1.982 MB / 0.995 GB, free: 2.723 MB / 0.7481 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006162/0.9279, allocations: 3.054 MB / 0.998 GB, free: 15.66 MB / 0.7637 GB Notification: Performance of NFPackage.collectConstants: time 0.001853/0.9298, allocations: 368 kB / 0.9984 GB, free: 15.3 MB / 0.7637 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004102/0.9339, allocations: 1.283 MB / 0.9996 GB, free: 14.02 MB / 0.7637 GB Notification: Performance of NFScalarize.scalarize: time 0.00395/0.9379, allocations: 2.097 MB / 1.002 GB, free: 11.91 MB / 0.7637 GB Notification: Performance of NFVerifyModel.verify: time 0.005902/0.9438, allocations: 1.991 MB / 1.004 GB, free: 9.914 MB / 0.7637 GB Notification: Performance of NFConvertDAE.convert: time 0.01179/0.9556, allocations: 7.611 MB / 1.011 GB, free: 2.281 MB / 0.7637 GB Notification: Performance of FrontEnd - DAE generated: time 6.903e-06/0.9556, allocations: 4 kB / 1.011 GB, free: 2.277 MB / 0.7637 GB Notification: Performance of FrontEnd: time 4.869e-06/0.9557, allocations: 0 / 1.011 GB, free: 2.277 MB / 0.7637 GB Notification: Performance of Transformations before backend: time 0.0002867/0.9559, allocations: 7.875 kB / 1.011 GB, free: 2.27 MB / 0.7637 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 0.01132/0.9673, allocations: 3.781 MB / 1.015 GB, free: 14.43 MB / 0.7794 GB Notification: Performance of prepare preOptimizeDAE: time 4.681e-05/0.9673, allocations: 8.031 kB / 1.015 GB, free: 14.42 MB / 0.7794 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01262/0.98, allocations: 2.411 MB / 1.017 GB, free: 12 MB / 0.7794 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005371/0.9854, allocations: 2.151 MB / 1.019 GB, free: 9.809 MB / 0.7794 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002505/0.9857, allocations: 267.4 kB / 1.019 GB, free: 9.547 MB / 0.7794 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001493/0.9872, allocations: 351.9 kB / 1.02 GB, free: 9.203 MB / 0.7794 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01724/1.004, allocations: 7.126 MB / 1.027 GB, free: 1.977 MB / 0.7794 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.802e-05/1.005, allocations: 11.92 kB / 1.027 GB, free: 1.965 MB / 0.7794 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005248/1.005, allocations: 144 kB / 1.027 GB, free: 1.824 MB / 0.7794 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005205/1.006, allocations: 334 kB / 1.027 GB, free: 1.496 MB / 0.7794 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01765/1.023, allocations: 7.031 MB / 1.034 GB, free: 10.45 MB / 0.795 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 0.04275/1.066, allocations: 26.62 MB / 1.06 GB, free: 13.66 MB / 0.8262 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008499/1.075, allocations: 4.99 MB / 1.065 GB, free: 8.363 MB / 0.8262 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00562/1.08, allocations: 2.6 MB / 1.067 GB, free: 5.746 MB / 0.8262 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002816/1.081, allocations: 131 kB / 1.068 GB, free: 5.602 MB / 0.8262 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.118e-05/1.081, allocations: 68.48 kB / 1.068 GB, free: 5.523 MB / 0.8262 GB Notification: Performance of pre-optimization done (n=208): time 3.747e-06/1.081, allocations: 0 / 1.068 GB, free: 5.523 MB / 0.8262 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 0.1009/1.182, allocations: 30.9 MB / 1.098 GB, free: 6.539 MB / 0.8575 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000162/1.182, allocations: 235.6 kB / 1.098 GB, free: 6.262 MB / 0.8575 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002413/1.184, allocations: 1.427 MB / 1.099 GB, free: 4.824 MB / 0.8575 GB Notification: Performance of collectPreVariables (initialization): time 0.0006355/1.185, allocations: 73.7 kB / 1.1 GB, free: 4.746 MB / 0.8575 GB Notification: Performance of collectInitialEqns (initialization): time 0.001161/1.186, allocations: 1.482 MB / 1.101 GB, free: 3.242 MB / 0.8575 GB Notification: Performance of collectInitialBindings (initialization): time 0.001933/1.188, allocations: 0.9165 MB / 1.102 GB, free: 2.312 MB / 0.8575 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001513/1.189, allocations: 0.6318 MB / 1.103 GB, free: 1.672 MB / 0.8575 GB Notification: Performance of setup shared object (initialization): time 0.0001958/1.19, allocations: 305.1 kB / 1.103 GB, free: 1.371 MB / 0.8575 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0061/1.196, allocations: 2.698 MB / 1.105 GB, free: 14.66 MB / 0.8731 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006566/1.202, allocations: 3.571 MB / 1.109 GB, free: 10.72 MB / 0.8731 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.012/1.214, allocations: 6.399 MB / 1.115 GB, free: 3.922 MB / 0.8731 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.728e-05/1.214, allocations: 8 kB / 1.115 GB, free: 3.914 MB / 0.8731 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 0.02746/1.242, allocations: 11.03 MB / 1.126 GB, free: 8.77 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 4.555e-05/1.242, allocations: 16 kB / 1.126 GB, free: 8.754 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.089e-05/1.242, allocations: 24 kB / 1.126 GB, free: 8.73 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0205/1.263, allocations: 5.54 MB / 1.131 GB, free: 3.172 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004713/1.267, allocations: 0.9984 MB / 1.132 GB, free: 2.172 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.07353/1.341, allocations: 25.78 MB / 1.158 GB, free: 7.957 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009443/1.35, allocations: 0.5692 MB / 1.158 GB, free: 7.387 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001364/1.352, allocations: 155.9 kB / 1.158 GB, free: 7.234 MB / 0.92 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01782/1.37, allocations: 3.988 MB / 1.162 GB, free: 3.238 MB / 0.92 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.01191/1.382, allocations: 3.532 MB / 1.166 GB, free: 15.32 MB / 0.9356 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09356/1.475, allocations: 24.64 MB / 1.19 GB, free: 6.176 MB / 0.9512 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.153e-05/1.475, allocations: 8 kB / 1.19 GB, free: 6.168 MB / 0.9512 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 0.02863/1.504, allocations: 10.53 MB / 1.2 GB, free: 11.48 MB / 0.9669 GB Notification: Performance of prepare postOptimizeDAE: time 3.678e-05/1.504, allocations: 18.19 kB / 1.2 GB, free: 11.47 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.235e-05/1.504, allocations: 28.03 kB / 1.2 GB, free: 11.44 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01593/1.52, allocations: 4.317 MB / 1.204 GB, free: 7.109 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004753/1.525, allocations: 1.049 MB / 1.205 GB, free: 6.062 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03793/1.563, allocations: 24.92 MB / 1.23 GB, free: 12.44 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00529/1.568, allocations: 0.5498 MB / 1.23 GB, free: 11.89 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008519/1.569, allocations: 151.9 kB / 1.23 GB, free: 11.74 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 0.001623/1.571, allocations: 404.3 kB / 1.231 GB, free: 11.34 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001015/1.572, allocations: 201.6 kB / 1.231 GB, free: 11.14 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 0.02708/1.599, allocations: 10.15 MB / 1.241 GB, free: 0.918 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.907e-05/1.599, allocations: 28 kB / 1.241 GB, free: 0.8906 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.786e-05/1.599, allocations: 12 kB / 1.241 GB, free: 0.8789 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0001231/1.599, allocations: 27.88 kB / 1.241 GB, free: 0.8516 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 0.03589/1.635, allocations: 16.3 MB / 1.257 GB, free: 304 kB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.667e-05/1.635, allocations: 8 kB / 1.257 GB, free: 296 kB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.6154/2.25, allocations: 0.7301 MB / 1.257 GB, free: 278.5 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.02192/2.272, allocations: 5.182 MB / 1.263 GB, free: 278.5 MB / 1.014 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0009335/2.273, allocations: 74.72 kB / 1.263 GB, free: 278.5 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0376/2.311, allocations: 24.86 MB / 1.287 GB, free: 267.9 MB / 1.014 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.109e-05/2.311, allocations: 13.31 kB / 1.287 GB, free: 267.9 MB / 1.014 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 0.02321/2.334, allocations: 10.1 MB / 1.297 GB, free: 263.7 MB / 1.014 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001726/2.336, allocations: 0.7262 MB / 1.297 GB, free: 263.3 MB / 1.014 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004986/2.337, allocations: 47.56 kB / 1.297 GB, free: 263.3 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003171/2.34, allocations: 0.515 MB / 1.298 GB, free: 263.1 MB / 1.014 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007709/2.341, allocations: 218.5 kB / 1.298 GB, free: 262.9 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002119/2.341, allocations: 89.83 kB / 1.298 GB, free: 262.9 MB / 1.014 GB Notification: Performance of sorting global known variables: time 0.001174/2.342, allocations: 0.9747 MB / 1.299 GB, free: 262.4 MB / 1.014 GB Notification: Performance of sort global known variables: time 1.4e-07/2.342, allocations: 0 / 1.299 GB, free: 262.4 MB / 1.014 GB Notification: Performance of remove unused functions: time 0.005752/2.348, allocations: 1.846 MB / 1.301 GB, free: 262.2 MB / 1.014 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 0.0004067/2.348, allocations: 181.5 kB / 1.301 GB, free: 262.1 MB / 1.014 GB Notification: Performance of simCode: created initialization part: time 0.02417/2.372, allocations: 12.41 MB / 1.313 GB, free: 253.6 MB / 1.014 GB Notification: Performance of simCode: created event and clocks part: time 1.247e-05/2.372, allocations: 0 / 1.313 GB, free: 253.6 MB / 1.014 GB Notification: Performance of simCode: created simulation system equations: time 0.00901/2.381, allocations: 4.404 MB / 1.318 GB, free: 249.2 MB / 1.014 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002377/2.384, allocations: 254.2 kB / 1.318 GB, free: 248.9 MB / 1.014 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0175/2.401, allocations: 10.57 MB / 1.328 GB, free: 238.3 MB / 1.014 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002364/2.404, allocations: 2.836 MB / 1.331 GB, free: 235.4 MB / 1.014 GB Notification: Performance of simCode: alias equations: time 0.004535/2.408, allocations: 1.666 MB / 1.333 GB, free: 233.8 MB / 1.014 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006271/2.409, allocations: 171.3 kB / 1.333 GB, free: 233.6 MB / 1.014 GB Notification: Performance of SimCode: time 1.352e-06/2.409, allocations: 0 / 1.333 GB, free: 233.6 MB / 1.014 GB Notification: Performance of Templates: time 0.09012/2.499, allocations: 74.98 MB / 1.406 GB, free: 158.8 MB / 1.014 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)