Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo", uses=false) Using package Buildings with version 11.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001364/0.001364, allocations: 110.8 kB / 16.41 MB, free: 5.973 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001418/0.001418, allocations: 187.1 kB / 17.35 MB, free: 5.586 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.393/1.393, allocations: 222.9 MB / 241 MB, free: 15.07 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.747/2.747, allocations: 469.4 MB / 0.7428 GB, free: 3.438 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.002584/0.002584, allocations: 63.91 kB / 1.066 GB, free: 13.62 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8232/0.8258, allocations: 159.1 MB / 1.221 GB, free: 2.277 MB / 0.9356 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02104/0.8468, allocations: 18.27 MB / 1.239 GB, free: 15.94 MB / 0.9669 GB Notification: Performance of NFInst.instExpressions: time 0.01092/0.8578, allocations: 6.874 MB / 1.246 GB, free: 9.051 MB / 0.9669 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001579/0.8594, allocations: 55.88 kB / 1.246 GB, free: 8.996 MB / 0.9669 GB Notification: Performance of NFTyping.typeComponents: time 0.003789/0.8632, allocations: 1.47 MB / 1.247 GB, free: 7.523 MB / 0.9669 GB Notification: Performance of NFTyping.typeBindings: time 0.00357/0.8668, allocations: 1.467 MB / 1.248 GB, free: 6.051 MB / 0.9669 GB Notification: Performance of NFTyping.typeClassSections: time 0.003323/0.8701, allocations: 1.259 MB / 1.25 GB, free: 4.789 MB / 0.9669 GB Notification: Performance of NFFlatten.flatten: time 0.005932/0.8761, allocations: 5.472 MB / 1.255 GB, free: 15.3 MB / 0.9825 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00838/0.8845, allocations: 7.127 MB / 1.262 GB, free: 8.066 MB / 0.9825 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003249/0.8878, allocations: 2.384 MB / 1.264 GB, free: 5.676 MB / 0.9825 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004408/0.8922, allocations: 2.968 MB / 1.267 GB, free: 2.699 MB / 0.9825 GB Notification: Performance of NFPackage.collectConstants: time 0.001272/0.8935, allocations: 0.5156 MB / 1.268 GB, free: 2.184 MB / 0.9825 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003007/0.8965, allocations: 1.268 MB / 1.269 GB, free: 0.9141 MB / 0.9825 GB Notification: Performance of NFScalarize.scalarize: time 0.003057/0.8996, allocations: 2.25 MB / 1.271 GB, free: 14.66 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.00373/0.9033, allocations: 2.187 MB / 1.273 GB, free: 12.46 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.009556/0.9129, allocations: 7.785 MB / 1.281 GB, free: 4.66 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 4.91e-06/0.9129, allocations: 0 / 1.281 GB, free: 4.66 MB / 0.9981 GB Notification: Performance of FrontEnd: time 1.643e-06/0.9129, allocations: 0 / 1.281 GB, free: 4.66 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 0.0002578/0.9132, allocations: 0 / 1.281 GB, free: 4.66 MB / 0.9981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.01011/0.9233, allocations: 3.819 MB / 1.285 GB, free: 0.7812 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 4.345e-05/0.9233, allocations: 8.625 kB / 1.285 GB, free: 0.7734 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01378/0.9371, allocations: 2.419 MB / 1.287 GB, free: 14.35 MB / 1.014 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005288/0.9424, allocations: 2.186 MB / 1.289 GB, free: 12.11 MB / 1.014 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000229/0.9427, allocations: 271.5 kB / 1.289 GB, free: 11.85 MB / 1.014 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001104/0.9438, allocations: 347.9 kB / 1.29 GB, free: 11.51 MB / 1.014 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01562/0.9594, allocations: 7.162 MB / 1.297 GB, free: 4.242 MB / 1.014 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.062e-05/0.9595, allocations: 7.938 kB / 1.297 GB, free: 4.234 MB / 1.014 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007467/0.9603, allocations: 152 kB / 1.297 GB, free: 4.086 MB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005313/0.9608, allocations: 334.1 kB / 1.297 GB, free: 3.758 MB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01645/0.9773, allocations: 7.047 MB / 1.304 GB, free: 12.7 MB / 1.029 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03743/1.015, allocations: 26.49 MB / 1.33 GB, free: 44 kB / 1.045 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008503/1.023, allocations: 4.993 MB / 1.335 GB, free: 10.75 MB / 1.061 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005912/1.029, allocations: 2.612 MB / 1.337 GB, free: 8.125 MB / 1.061 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002453/1.03, allocations: 131 kB / 1.337 GB, free: 7.977 MB / 1.061 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.033e-05/1.03, allocations: 56.56 kB / 1.338 GB, free: 7.914 MB / 1.061 GB Notification: Performance of pre-optimization done (n=208): time 5.661e-06/1.03, allocations: 4 kB / 1.338 GB, free: 7.91 MB / 1.061 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.conv2.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.conv2.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 0.109/1.139, allocations: 30.97 MB / 1.368 GB, free: 8.844 MB / 1.092 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001087/1.139, allocations: 239.5 kB / 1.368 GB, free: 8.559 MB / 1.092 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002402/1.141, allocations: 1.473 MB / 1.369 GB, free: 7.078 MB / 1.092 GB Notification: Performance of collectPreVariables (initialization): time 0.0005159/1.142, allocations: 69.7 kB / 1.37 GB, free: 7.004 MB / 1.092 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009721/1.143, allocations: 1.497 MB / 1.371 GB, free: 5.484 MB / 1.092 GB Notification: Performance of collectInitialBindings (initialization): time 0.001158/1.144, allocations: 0.9165 MB / 1.372 GB, free: 4.555 MB / 1.092 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001622/1.146, allocations: 0.6357 MB / 1.373 GB, free: 3.91 MB / 1.092 GB Notification: Performance of setup shared object (initialization): time 8.858e-05/1.146, allocations: 301.1 kB / 1.373 GB, free: 3.613 MB / 1.092 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006239/1.152, allocations: 2.69 MB / 1.375 GB, free: 0.9141 MB / 1.092 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006875/1.159, allocations: 3.567 MB / 1.379 GB, free: 12.97 MB / 1.107 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01308/1.172, allocations: 6.399 MB / 1.385 GB, free: 6.176 MB / 1.107 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.913e-05/1.172, allocations: 8 kB / 1.385 GB, free: 6.168 MB / 1.107 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv2.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.conv2.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 0.02966/1.202, allocations: 11 MB / 1.396 GB, free: 11.06 MB / 1.123 GB Notification: Performance of prepare postOptimizeDAE: time 5.145e-05/1.202, allocations: 16 kB / 1.396 GB, free: 11.05 MB / 1.123 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.11e-05/1.202, allocations: 36.53 kB / 1.396 GB, free: 11.01 MB / 1.123 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02047/1.222, allocations: 5.556 MB / 1.401 GB, free: 5.438 MB / 1.123 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00459/1.227, allocations: 0.9945 MB / 1.402 GB, free: 4.441 MB / 1.123 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04423/1.271, allocations: 28.19 MB / 1.43 GB, free: 7.801 MB / 1.154 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004825/1.276, allocations: 0.5769 MB / 1.43 GB, free: 7.223 MB / 1.154 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001001/1.277, allocations: 151.9 kB / 1.431 GB, free: 7.074 MB / 1.154 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009536/1.287, allocations: 3.98 MB / 1.434 GB, free: 3.086 MB / 1.154 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006923/1.293, allocations: 3.532 MB / 1.438 GB, free: 15.18 MB / 1.17 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09147/1.385, allocations: 24.61 MB / 1.462 GB, free: 6.051 MB / 1.186 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.633e-05/1.385, allocations: 8.375 kB / 1.462 GB, free: 6.043 MB / 1.186 GB Warning: The linear system: 1 : transformer.conv1.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.conv1.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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ] = [ -loadRL.load1.v[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] ; -transformer.conv2.V2[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_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_lambda0): time 0.0275/1.413, allocations: 10.54 MB / 1.472 GB, free: 11.36 MB / 1.201 GB Notification: Performance of prepare postOptimizeDAE: time 3.936e-05/1.413, allocations: 19.94 kB / 1.472 GB, free: 11.34 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.671e-05/1.413, allocations: 24 kB / 1.472 GB, free: 11.32 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0154/1.428, allocations: 4.333 MB / 1.477 GB, free: 6.965 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004783/1.433, allocations: 1.037 MB / 1.478 GB, free: 5.926 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03779/1.471, allocations: 27.14 MB / 1.504 GB, free: 10.05 MB / 1.232 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004909/1.476, allocations: 0.5498 MB / 1.505 GB, free: 9.5 MB / 1.232 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000694/1.476, allocations: 152 kB / 1.505 GB, free: 9.352 MB / 1.232 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.i1[2]) - line2.i3[2] - line2.i2[2] 0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[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 0.001347/1.478, allocations: 406.2 kB / 1.505 GB, free: 8.949 MB / 1.232 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008728/1.479, allocations: 197.8 kB / 1.505 GB, free: 8.754 MB / 1.232 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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[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] ; -transformer.conv2.V2[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] ; -loadRL.load1.v[1] ] 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 wrapFunctionCalls (simulation): time 0.02781/1.506, allocations: 10.18 MB / 1.515 GB, free: 14.5 MB / 1.248 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.21e-05/1.507, allocations: 19.89 kB / 1.515 GB, free: 14.48 MB / 1.248 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.185e-06/1.507, allocations: 0 / 1.515 GB, free: 14.48 MB / 1.248 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002017/1.509, allocations: 0.7249 MB / 1.516 GB, free: 13.74 MB / 1.248 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007699/1.509, allocations: 47.98 kB / 1.516 GB, free: 13.69 MB / 1.248 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003962/1.513, allocations: 0.5031 MB / 1.517 GB, free: 13.19 MB / 1.248 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008119/1.514, allocations: 281.4 kB / 1.517 GB, free: 12.91 MB / 1.248 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.0247/1.539, allocations: 9.426 MB / 1.526 GB, free: 3.453 MB / 1.248 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.01877/1.558, allocations: 8.898 MB / 1.535 GB, free: 10.48 MB / 1.264 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.005996/1.564, allocations: 2.666 MB / 1.537 GB, free: 7.805 MB / 1.264 GB Notification: Performance of sorting global known variables: time 0.00187/1.566, allocations: 1.001 MB / 1.538 GB, free: 6.801 MB / 1.264 GB Notification: Performance of Backend: time 6.31e-07/1.566, allocations: 0 / 1.538 GB, free: 6.801 MB / 1.264 GB Notification: Performance of simCode: created initialization part: time 0.029/1.595, allocations: 10.56 MB / 1.549 GB, free: 12.14 MB / 1.279 GB Notification: Performance of SimCode: time 0.0136/1.608, allocations: 7.27 MB / 1.556 GB, free: 4.824 MB / 1.279 GB Notification: Performance of Templates: time 0.8194/2.428, allocations: 95.67 MB / 1.649 GB, free: 254.8 MB / 1.279 GB make -j1 -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.makefile (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & ./Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)