Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_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 10.1.1-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.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_10_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_10_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 0.001508/0.001508, allocations: 102.7 kB / 15.98 MB, free: 6.348 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001538/0.001539, allocations: 194.7 kB / 16.91 MB, free: 6.188 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.369/1.369, allocations: 222.9 MB / 240.6 MB, free: 15.44 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.449/2.449, allocations: 437 MB / 0.7107 GB, free: 4.699 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.0013/0.001301, allocations: 59.92 kB / 0.8694 GB, free: 2.605 MB / 0.6387 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.285/0.2863, allocations: 151.6 MB / 1.017 GB, free: 11.04 MB / 0.795 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02098/0.3073, allocations: 18.09 MB / 1.035 GB, free: 8.883 MB / 0.8106 GB Notification: Performance of NFInst.instExpressions: time 0.01183/0.3192, allocations: 6.747 MB / 1.042 GB, free: 2.117 MB / 0.8106 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001762/0.321, allocations: 43.88 kB / 1.042 GB, free: 2.074 MB / 0.8106 GB Notification: Performance of NFTyping.typeComponents: time 0.003912/0.325, allocations: 1.362 MB / 1.043 GB, free: 0.7109 MB / 0.8106 GB Notification: Performance of NFTyping.typeBindings: time 0.003864/0.3288, allocations: 1.312 MB / 1.044 GB, free: 15.39 MB / 0.8262 GB Notification: Performance of NFTyping.typeClassSections: time 0.003292/0.3322, allocations: 1.16 MB / 1.046 GB, free: 14.23 MB / 0.8262 GB Notification: Performance of NFFlatten.flatten: time 0.006082/0.3383, allocations: 5.453 MB / 1.051 GB, free: 8.77 MB / 0.8262 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01208/0.3504, allocations: 8.483 MB / 1.059 GB, free: 188 kB / 0.8262 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003793/0.3542, allocations: 2.372 MB / 1.061 GB, free: 13.8 MB / 0.8419 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004988/0.3592, allocations: 3.121 MB / 1.065 GB, free: 10.68 MB / 0.8419 GB Notification: Performance of NFPackage.collectConstants: time 0.001588/0.3608, allocations: 0.5117 MB / 1.065 GB, free: 10.16 MB / 0.8419 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003352/0.3642, allocations: 1.26 MB / 1.066 GB, free: 8.902 MB / 0.8419 GB Notification: Performance of NFScalarize.scalarize: time 0.00346/0.3677, allocations: 2.234 MB / 1.068 GB, free: 6.664 MB / 0.8419 GB Notification: Performance of NFVerifyModel.verify: time 0.004942/0.3727, allocations: 2.175 MB / 1.071 GB, free: 4.48 MB / 0.8419 GB Notification: Performance of NFConvertDAE.convert: time 0.5644/0.9371, allocations: 6.613 MB / 1.077 GB, free: 28.71 MB / 0.8419 GB Notification: Performance of FrontEnd - DAE generated: time 8.616e-06/0.9371, allocations: 0 / 1.077 GB, free: 28.71 MB / 0.8419 GB Notification: Performance of FrontEnd: time 2.935e-06/0.9372, allocations: 0 / 1.077 GB, free: 28.71 MB / 0.8419 GB Notification: Performance of Transformations before backend: time 0.0002322/0.9374, allocations: 1.891 kB / 1.077 GB, free: 28.71 MB / 0.8419 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 0.01154/0.9489, allocations: 3.784 MB / 1.081 GB, free: 27.42 MB / 0.8419 GB Notification: Performance of prepare preOptimizeDAE: time 5.156e-05/0.949, allocations: 10.45 kB / 1.081 GB, free: 27.42 MB / 0.8419 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01464/0.9637, allocations: 2.404 MB / 1.083 GB, free: 27.24 MB / 0.8419 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006712/0.9704, allocations: 2.153 MB / 1.085 GB, free: 26.79 MB / 0.8419 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003611/0.9708, allocations: 264.5 kB / 1.085 GB, free: 26.79 MB / 0.8419 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00246/0.9733, allocations: 345.9 kB / 1.086 GB, free: 26.79 MB / 0.8419 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02414/0.9974, allocations: 7.128 MB / 1.093 GB, free: 26.41 MB / 0.8419 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001393/0.9976, allocations: 5.531 kB / 1.093 GB, free: 26.41 MB / 0.8419 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001128/0.9988, allocations: 148.5 kB / 1.093 GB, free: 26.41 MB / 0.8419 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006882/0.9995, allocations: 336 kB / 1.093 GB, free: 26.41 MB / 0.8419 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01972/1.019, allocations: 7.037 MB / 1.1 GB, free: 25.59 MB / 0.8419 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 0.03575/1.055, allocations: 26.61 MB / 1.126 GB, free: 6.609 MB / 0.8419 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008029/1.063, allocations: 4.989 MB / 1.131 GB, free: 3.398 MB / 0.8419 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005942/1.069, allocations: 2.597 MB / 1.133 GB, free: 2.105 MB / 0.8419 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003349/1.069, allocations: 132.3 kB / 1.134 GB, free: 2 MB / 0.8419 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.572e-05/1.069, allocations: 67.73 kB / 1.134 GB, free: 1.934 MB / 0.8419 GB Notification: Performance of pre-optimization done (n=208): time 4.849e-06/1.069, allocations: 2.531 kB / 1.134 GB, free: 1.934 MB / 0.8419 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 0.1027/1.172, allocations: 30.89 MB / 1.164 GB, free: 296 kB / 0.8575 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001166/1.172, allocations: 247.2 kB / 1.164 GB, free: 4 kB / 0.8575 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002112/1.174, allocations: 1.427 MB / 1.165 GB, free: 14.57 MB / 0.8731 GB Notification: Performance of collectPreVariables (initialization): time 0.0006679/1.175, allocations: 73.7 kB / 1.165 GB, free: 14.49 MB / 0.8731 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009477/1.176, allocations: 1.481 MB / 1.167 GB, free: 13 MB / 0.8731 GB Notification: Performance of collectInitialBindings (initialization): time 0.001144/1.177, allocations: 0.9159 MB / 1.168 GB, free: 12.09 MB / 0.8731 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001186/1.178, allocations: 0.6374 MB / 1.168 GB, free: 11.44 MB / 0.8731 GB Notification: Performance of setup shared object (initialization): time 9.528e-05/1.179, allocations: 301.1 kB / 1.169 GB, free: 11.14 MB / 0.8731 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005898/1.184, allocations: 2.694 MB / 1.171 GB, free: 8.441 MB / 0.8731 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006751/1.191, allocations: 3.568 MB / 1.175 GB, free: 4.516 MB / 0.8731 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0127/1.204, allocations: 6.401 MB / 1.181 GB, free: 13.82 MB / 0.8887 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.157e-05/1.204, allocations: 4 kB / 1.181 GB, free: 13.82 MB / 0.8887 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 0.02934/1.233, allocations: 11.05 MB / 1.192 GB, free: 2.898 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 4.752e-05/1.233, allocations: 16 kB / 1.192 GB, free: 2.883 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.888e-05/1.233, allocations: 24 kB / 1.192 GB, free: 2.859 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02094/1.254, allocations: 5.556 MB / 1.197 GB, free: 13.29 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00463/1.259, allocations: 0.9962 MB / 1.198 GB, free: 12.33 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04578/1.305, allocations: 28.2 MB / 1.226 GB, free: 15.75 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004799/1.31, allocations: 0.5731 MB / 1.226 GB, free: 15.18 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007691/1.311, allocations: 163.5 kB / 1.227 GB, free: 15.02 MB / 0.9356 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009166/1.32, allocations: 3.98 MB / 1.23 GB, free: 11.03 MB / 0.9356 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007288/1.327, allocations: 3.537 MB / 1.234 GB, free: 7.129 MB / 0.9356 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09213/1.419, allocations: 24.67 MB / 1.258 GB, free: 14.06 MB / 0.9669 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.323e-05/1.419, allocations: 11.98 kB / 1.258 GB, free: 14.05 MB / 0.9669 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 0.02766/1.447, allocations: 10.52 MB / 1.268 GB, free: 3.598 MB / 0.9669 GB Notification: Performance of prepare postOptimizeDAE: time 4.111e-05/1.447, allocations: 20 kB / 1.268 GB, free: 3.578 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.994e-05/1.447, allocations: 24.56 kB / 1.268 GB, free: 3.555 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01601/1.463, allocations: 4.35 MB / 1.273 GB, free: 15.19 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004844/1.468, allocations: 1.037 MB / 1.274 GB, free: 14.2 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03727/1.505, allocations: 27.11 MB / 1.3 GB, free: 2.453 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004658/1.51, allocations: 0.5575 MB / 1.301 GB, free: 1.895 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007076/1.511, allocations: 151.9 kB / 1.301 GB, free: 1.746 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 0.00137/1.512, allocations: 402.9 kB / 1.301 GB, free: 1.387 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008417/1.513, allocations: 201.6 kB / 1.301 GB, free: 1.188 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 0.02738/1.54, allocations: 10.15 MB / 1.311 GB, free: 6.973 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.617e-05/1.54, allocations: 28 kB / 1.311 GB, free: 6.945 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.827e-05/1.54, allocations: 15.98 kB / 1.311 GB, free: 6.93 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.801e-05/1.541, allocations: 19.94 kB / 1.311 GB, free: 6.91 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 0.03677/1.577, allocations: 16.29 MB / 1.327 GB, free: 6.449 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.809e-05/1.577, allocations: 8.156 kB / 1.327 GB, free: 6.441 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.004017/1.581, allocations: 0.7449 MB / 1.328 GB, free: 5.695 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01952/1.601, allocations: 5.197 MB / 1.333 GB, free: 492 kB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006133/1.602, allocations: 71.95 kB / 1.333 GB, free: 420 kB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04116/1.643, allocations: 27.27 MB / 1.36 GB, free: 4.66 MB / 1.061 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.228e-05/1.643, allocations: 12.03 kB / 1.36 GB, free: 4.648 MB / 1.061 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 0.02689/1.67, allocations: 10.09 MB / 1.37 GB, free: 10.3 MB / 1.076 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001909/1.672, allocations: 0.7155 MB / 1.37 GB, free: 9.566 MB / 1.076 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000849/1.673, allocations: 59.91 kB / 1.37 GB, free: 9.508 MB / 1.076 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004027/1.677, allocations: 0.5031 MB / 1.371 GB, free: 9.004 MB / 1.076 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009752/1.678, allocations: 234.3 kB / 1.371 GB, free: 8.773 MB / 1.076 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000449/1.678, allocations: 91.95 kB / 1.371 GB, free: 8.684 MB / 1.076 GB Notification: Performance of sorting global known variables: time 0.001724/1.68, allocations: 0.9723 MB / 1.372 GB, free: 7.707 MB / 1.076 GB Notification: Performance of sort global known variables: time 2e-07/1.68, allocations: 0 / 1.372 GB, free: 7.707 MB / 1.076 GB Notification: Performance of remove unused functions: time 0.007576/1.687, allocations: 1.848 MB / 1.374 GB, free: 5.859 MB / 1.076 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 0.0006688/1.688, allocations: 181.7 kB / 1.374 GB, free: 5.676 MB / 1.076 GB Notification: Performance of simCode: created initialization part: time 0.03574/1.724, allocations: 14.4 MB / 1.388 GB, free: 7.18 MB / 1.092 GB Notification: Performance of simCode: created event and clocks part: time 1.877e-05/1.724, allocations: 4.875 kB / 1.388 GB, free: 7.176 MB / 1.092 GB Notification: Performance of simCode: created simulation system equations: time 0.01142/1.735, allocations: 4.415 MB / 1.392 GB, free: 2.715 MB / 1.092 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003256/1.739, allocations: 267.5 kB / 1.393 GB, free: 2.461 MB / 1.092 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02528/1.764, allocations: 11.13 MB / 1.404 GB, free: 7.203 MB / 1.107 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004308/1.768, allocations: 2.903 MB / 1.406 GB, free: 4.27 MB / 1.107 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001309/1.77, allocations: 209.1 kB / 1.407 GB, free: 4.07 MB / 1.107 GB Notification: Performance of SimCode: time 1.563e-06/1.77, allocations: 4 kB / 1.407 GB, free: 4.066 MB / 1.107 GB Notification: Performance of Templates: time 0.1302/1.9, allocations: 107 MB / 1.511 GB, free: 9.191 MB / 1.217 GB make -j1 -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)