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 0.00172/0.00172, allocations: 115.3 kB / 15.34 MB, free: 0.5156 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002254/0.002254, allocations: 192.2 kB / 16.25 MB, free: 6.633 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.474/1.474, allocations: 222.9 MB / 239.9 MB, free: 4.512 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 2.464/2.464, allocations: 390.2 MB / 0.6643 GB, free: 0.6055 MB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.001439/0.001439, allocations: 71.88 kB / 0.8121 GB, free: 14.75 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7868/0.7882, allocations: 140.4 MB / 0.9491 GB, free: 9.215 MB / 0.7169 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02021/0.8085, allocations: 18.07 MB / 0.9668 GB, free: 11.5 MB / 0.7325 GB Notification: Performance of NFInst.instExpressions: time 0.01399/0.8225, allocations: 6.752 MB / 0.9734 GB, free: 6.18 MB / 0.7325 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002579/0.8251, allocations: 44.62 kB / 0.9734 GB, free: 6.172 MB / 0.7325 GB Notification: Performance of NFTyping.typeComponents: time 0.004519/0.8297, allocations: 1.363 MB / 0.9747 GB, free: 5.129 MB / 0.7325 GB Notification: Performance of NFTyping.typeBindings: time 0.004767/0.8344, allocations: 1.313 MB / 0.976 GB, free: 4.105 MB / 0.7325 GB Notification: Performance of NFTyping.typeClassSections: time 0.003831/0.8383, allocations: 1.154 MB / 0.9772 GB, free: 3.227 MB / 0.7325 GB Notification: Performance of NFFlatten.flatten: time 0.007852/0.8462, allocations: 5.465 MB / 0.9825 GB, free: 15.79 MB / 0.7481 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01496/0.8611, allocations: 8.472 MB / 0.9908 GB, free: 7.223 MB / 0.7481 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00522/0.8664, allocations: 2.376 MB / 0.9931 GB, free: 4.84 MB / 0.7481 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005402/0.8718, allocations: 3.128 MB / 0.9961 GB, free: 1.703 MB / 0.7481 GB Notification: Performance of NFPackage.collectConstants: time 0.001974/0.8738, allocations: 0.5117 MB / 0.9966 GB, free: 1.191 MB / 0.7481 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004459/0.8783, allocations: 1.256 MB / 0.9979 GB, free: 15.93 MB / 0.7637 GB Notification: Performance of NFScalarize.scalarize: time 0.003948/0.8823, allocations: 2.234 MB / 1 GB, free: 13.7 MB / 0.7637 GB Notification: Performance of NFVerifyModel.verify: time 0.005405/0.8877, allocations: 2.171 MB / 1.002 GB, free: 11.52 MB / 0.7637 GB Notification: Performance of NFConvertDAE.convert: time 0.009916/0.8977, allocations: 7.74 MB / 1.01 GB, free: 3.754 MB / 0.7637 GB Notification: Performance of FrontEnd - DAE generated: time 5.179e-06/0.8977, allocations: 0 / 1.01 GB, free: 3.754 MB / 0.7637 GB Notification: Performance of FrontEnd: time 1.543e-06/0.8977, allocations: 0 / 1.01 GB, free: 3.754 MB / 0.7637 GB Notification: Performance of Transformations before backend: time 0.0002601/0.898, allocations: 0 / 1.01 GB, free: 3.754 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 0.01045/0.9084, allocations: 3.795 MB / 1.013 GB, free: 15.9 MB / 0.7794 GB Notification: Performance of prepare preOptimizeDAE: time 4.465e-05/0.9085, allocations: 11.97 kB / 1.013 GB, free: 15.89 MB / 0.7794 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01404/0.9225, allocations: 2.403 MB / 1.016 GB, free: 13.48 MB / 0.7794 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006402/0.929, allocations: 2.151 MB / 1.018 GB, free: 11.28 MB / 0.7794 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002752/0.9293, allocations: 263.4 kB / 1.018 GB, free: 11.02 MB / 0.7794 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00126/0.9306, allocations: 347.9 kB / 1.018 GB, free: 10.68 MB / 0.7794 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01611/0.9467, allocations: 7.134 MB / 1.025 GB, free: 3.449 MB / 0.7794 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.546e-05/0.9468, allocations: 4 kB / 1.025 GB, free: 3.445 MB / 0.7794 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004603/0.9473, allocations: 148 kB / 1.026 GB, free: 3.301 MB / 0.7794 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004748/0.9477, allocations: 330 kB / 1.026 GB, free: 2.977 MB / 0.7794 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01719/0.9649, allocations: 7.032 MB / 1.033 GB, free: 11.93 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 0.03608/1.001, allocations: 26.62 MB / 1.059 GB, free: 15.14 MB / 0.8262 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008088/1.009, allocations: 4.996 MB / 1.064 GB, free: 9.832 MB / 0.8262 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005642/1.015, allocations: 2.596 MB / 1.066 GB, free: 7.223 MB / 0.8262 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002631/1.015, allocations: 135 kB / 1.066 GB, free: 7.074 MB / 0.8262 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.882e-05/1.015, allocations: 64.5 kB / 1.066 GB, free: 7 MB / 0.8262 GB Notification: Performance of pre-optimization done (n=208): time 3.938e-06/1.015, allocations: 0 / 1.066 GB, free: 7 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 0.1036/1.119, allocations: 30.89 MB / 1.097 GB, free: 8.023 MB / 0.8575 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001439/1.119, allocations: 243.6 kB / 1.097 GB, free: 7.738 MB / 0.8575 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002232/1.121, allocations: 1.427 MB / 1.098 GB, free: 6.301 MB / 0.8575 GB Notification: Performance of collectPreVariables (initialization): time 0.0005336/1.122, allocations: 69.7 kB / 1.098 GB, free: 6.227 MB / 0.8575 GB Notification: Performance of collectInitialEqns (initialization): time 0.001077/1.123, allocations: 1.485 MB / 1.1 GB, free: 4.719 MB / 0.8575 GB Notification: Performance of collectInitialBindings (initialization): time 0.001117/1.124, allocations: 0.9165 MB / 1.101 GB, free: 3.789 MB / 0.8575 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00119/1.125, allocations: 0.6318 MB / 1.101 GB, free: 3.148 MB / 0.8575 GB Notification: Performance of setup shared object (initialization): time 0.0001019/1.125, allocations: 301.1 kB / 1.101 GB, free: 2.852 MB / 0.8575 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006497/1.132, allocations: 2.698 MB / 1.104 GB, free: 148 kB / 0.8575 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007548/1.139, allocations: 3.575 MB / 1.108 GB, free: 12.2 MB / 0.8731 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01296/1.152, allocations: 6.402 MB / 1.114 GB, free: 5.395 MB / 0.8731 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.45e-05/1.152, allocations: 11.94 kB / 1.114 GB, free: 5.383 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 0.02992/1.182, allocations: 11.02 MB / 1.125 GB, free: 10.25 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 5.58e-05/1.182, allocations: 16 kB / 1.125 GB, free: 10.23 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.848e-05/1.183, allocations: 28.03 kB / 1.125 GB, free: 10.21 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02037/1.203, allocations: 5.559 MB / 1.13 GB, free: 4.629 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004537/1.207, allocations: 0.9945 MB / 1.131 GB, free: 3.633 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04507/1.253, allocations: 28.18 MB / 1.159 GB, free: 6.996 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005044/1.258, allocations: 0.573 MB / 1.159 GB, free: 6.422 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004845/1.258, allocations: 151.9 kB / 1.159 GB, free: 6.273 MB / 0.92 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008678/1.267, allocations: 3.991 MB / 1.163 GB, free: 2.273 MB / 0.92 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006623/1.274, allocations: 3.532 MB / 1.167 GB, free: 14.36 MB / 0.9356 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09203/1.366, allocations: 24.67 MB / 1.191 GB, free: 5.176 MB / 0.9512 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.568e-05/1.366, allocations: 4 kB / 1.191 GB, free: 5.172 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 0.02673/1.392, allocations: 10.54 MB / 1.201 GB, free: 10.49 MB / 0.9669 GB Notification: Performance of prepare postOptimizeDAE: time 3.763e-05/1.392, allocations: 16 kB / 1.201 GB, free: 10.47 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.247e-05/1.392, allocations: 24.19 kB / 1.201 GB, free: 10.45 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01624/1.409, allocations: 4.341 MB / 1.205 GB, free: 6.086 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004711/1.413, allocations: 1.049 MB / 1.206 GB, free: 5.035 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03621/1.45, allocations: 27.11 MB / 1.233 GB, free: 9.203 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004513/1.454, allocations: 0.5498 MB / 1.233 GB, free: 8.652 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004271/1.455, allocations: 159.9 kB / 1.234 GB, free: 8.496 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 0.0009262/1.456, allocations: 395.4 kB / 1.234 GB, free: 8.105 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005586/1.456, allocations: 197.6 kB / 1.234 GB, free: 7.91 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 0.02733/1.484, allocations: 10.17 MB / 1.244 GB, free: 13.66 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.894e-05/1.484, allocations: 28 kB / 1.244 GB, free: 13.64 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.28e-05/1.484, allocations: 12 kB / 1.244 GB, free: 13.62 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.61e-05/1.484, allocations: 19.88 kB / 1.244 GB, free: 13.61 MB / 1.014 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 0.5895/2.073, allocations: 16.3 MB / 1.26 GB, free: 275.8 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.12e-05/2.073, allocations: 7.688 kB / 1.26 GB, free: 275.8 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003839/2.077, allocations: 0.7342 MB / 1.261 GB, free: 275.8 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.02175/2.099, allocations: 5.2 MB / 1.266 GB, free: 275.8 MB / 1.014 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008705/2.1, allocations: 80.42 kB / 1.266 GB, free: 275.8 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03922/2.139, allocations: 27.25 MB / 1.292 GB, free: 263.7 MB / 1.014 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.216e-05/2.139, allocations: 8.594 kB / 1.292 GB, free: 263.7 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 0.02461/2.164, allocations: 10.1 MB / 1.302 GB, free: 258.6 MB / 1.014 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002378/2.166, allocations: 0.719 MB / 1.303 GB, free: 258.2 MB / 1.014 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007123/2.167, allocations: 59.3 kB / 1.303 GB, free: 258.1 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0036/2.17, allocations: 0.5066 MB / 1.304 GB, free: 257.9 MB / 1.014 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000889/2.171, allocations: 224.4 kB / 1.304 GB, free: 257.8 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002551/2.172, allocations: 89.61 kB / 1.304 GB, free: 257.7 MB / 1.014 GB Notification: Performance of sorting global known variables: time 0.001367/2.173, allocations: 0.9736 MB / 1.305 GB, free: 257.2 MB / 1.014 GB Notification: Performance of sort global known variables: time 1.71e-07/2.173, allocations: 3.875 kB / 1.305 GB, free: 257.2 MB / 1.014 GB Notification: Performance of remove unused functions: time 0.007036/2.18, allocations: 1.842 MB / 1.307 GB, free: 257 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 0.0005531/2.181, allocations: 189.3 kB / 1.307 GB, free: 256.9 MB / 1.014 GB Notification: Performance of simCode: created initialization part: time 0.02975/2.21, allocations: 14.38 MB / 1.321 GB, free: 245.7 MB / 1.014 GB Notification: Performance of simCode: created event and clocks part: time 2.003e-05/2.21, allocations: 4 kB / 1.321 GB, free: 245.7 MB / 1.014 GB Notification: Performance of simCode: created simulation system equations: time 0.01/2.22, allocations: 4.425 MB / 1.325 GB, free: 241.2 MB / 1.014 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002226/2.223, allocations: 277.3 kB / 1.325 GB, free: 241 MB / 1.014 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01943/2.242, allocations: 10.58 MB / 1.336 GB, free: 230.3 MB / 1.014 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002879/2.245, allocations: 2.836 MB / 1.339 GB, free: 227.4 MB / 1.014 GB Notification: Performance of simCode: alias equations: time 0.005037/2.25, allocations: 1.647 MB / 1.34 GB, free: 225.8 MB / 1.014 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006601/2.251, allocations: 171.3 kB / 1.34 GB, free: 225.6 MB / 1.014 GB Notification: Performance of SimCode: time 3.587e-06/2.251, allocations: 0 / 1.34 GB, free: 225.6 MB / 1.014 GB Notification: Performance of Templates: time 0.1007/2.352, allocations: 77.86 MB / 1.416 GB, free: 148 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)