Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00136/0.00136, allocations: 103.5 kB / 15.98 MB, free: 5.891 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001296/0.001296, allocations: 191.9 kB / 16.91 MB, free: 5.746 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.505/1.505, allocations: 205.1 MB / 222.8 MB, free: 4.652 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.724/1.724, allocations: 292.3 MB / 0.5492 GB, free: 13.61 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001783/0.001783, allocations: 75.2 kB / 0.6717 GB, free: 26.27 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2458/0.2476, allocations: 114.6 MB / 0.7836 GB, free: 13.84 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02095/0.2687, allocations: 18.12 MB / 0.8012 GB, free: 11.65 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.01098/0.2797, allocations: 6.821 MB / 0.8079 GB, free: 4.805 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001805/0.2815, allocations: 47.88 kB / 0.808 GB, free: 4.758 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.003499/0.2851, allocations: 1.353 MB / 0.8093 GB, free: 3.402 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.003613/0.2887, allocations: 1.308 MB / 0.8106 GB, free: 2.09 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.003249/0.292, allocations: 1.177 MB / 0.8117 GB, free: 0.9141 MB / 0.6231 GB Notification: Performance of NFFlatten.flatten: time 0.00611/0.2981, allocations: 5.484 MB / 0.8171 GB, free: 11.42 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01074/0.3089, allocations: 8.526 MB / 0.8254 GB, free: 2.789 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003671/0.3126, allocations: 2.388 MB / 0.8277 GB, free: 404 kB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004766/0.3174, allocations: 3.136 MB / 0.8308 GB, free: 13.25 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.001481/0.3189, allocations: 0.5117 MB / 0.8313 GB, free: 12.73 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002983/0.3219, allocations: 1.279 MB / 0.8325 GB, free: 11.46 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.002659/0.3246, allocations: 2.242 MB / 0.8347 GB, free: 9.211 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.002582/0.3272, allocations: 2.191 MB / 0.8369 GB, free: 7.012 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.006293/0.3335, allocations: 6.649 MB / 0.8433 GB, free: 356 kB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 6.753e-06/0.3335, allocations: 4 kB / 0.8434 GB, free: 352 kB / 0.6544 GB Notification: Performance of FrontEnd: time 3.036e-06/0.3335, allocations: 3.938 kB / 0.8434 GB, free: 348 kB / 0.6544 GB Notification: Performance of Transformations before backend: time 0.0002026/0.3337, allocations: 7.938 kB / 0.8434 GB, free: 340 kB / 0.6544 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 0.009255/0.343, allocations: 3.819 MB / 0.8471 GB, free: 12.45 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 5.227e-05/0.343, allocations: 8.031 kB / 0.8471 GB, free: 12.45 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01214/0.3552, allocations: 2.341 MB / 0.8494 GB, free: 10.1 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005153/0.3604, allocations: 2.167 MB / 0.8515 GB, free: 7.887 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002453/0.3607, allocations: 267.5 kB / 0.8518 GB, free: 7.625 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001428/0.3621, allocations: 351.9 kB / 0.8521 GB, free: 7.281 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01764/0.3797, allocations: 7.128 MB / 0.8591 GB, free: 56 kB / 0.67 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001184/0.3799, allocations: 4 kB / 0.8591 GB, free: 52 kB / 0.67 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009092/0.3808, allocations: 148 kB / 0.8592 GB, free: 15.9 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004665/0.3813, allocations: 330 kB / 0.8595 GB, free: 15.58 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01663/0.3979, allocations: 7.005 MB / 0.8664 GB, free: 8.562 MB / 0.6856 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 0.03713/0.4351, allocations: 26.69 MB / 0.8924 GB, free: 11.69 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008511/0.4436, allocations: 4.984 MB / 0.8973 GB, free: 6.402 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005788/0.4495, allocations: 2.604 MB / 0.8998 GB, free: 3.777 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003285/0.4498, allocations: 127 kB / 0.8999 GB, free: 3.637 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.127e-05/0.4499, allocations: 68.5 kB / 0.9 GB, free: 3.559 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=208): time 4.058e-06/0.4499, allocations: 0 / 0.9 GB, free: 3.559 MB / 0.7169 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 0.4998/0.9497, allocations: 30.95 MB / 0.9302 GB, free: 124.6 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.1e-05/0.9499, allocations: 238.5 kB / 0.9305 GB, free: 124.3 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002184/0.9521, allocations: 1.447 MB / 0.9319 GB, free: 123.8 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0005676/0.9526, allocations: 72.14 kB / 0.9319 GB, free: 123.7 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009197/0.9536, allocations: 1.494 MB / 0.9334 GB, free: 122.6 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.001026/0.9546, allocations: 0.9255 MB / 0.9343 GB, free: 121.8 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001151/0.9558, allocations: 0.6299 MB / 0.9349 GB, free: 121.6 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 4.819e-05/0.9558, allocations: 305.6 kB / 0.9352 GB, free: 121.3 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006254/0.9621, allocations: 2.671 MB / 0.9378 GB, free: 120.4 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007199/0.9693, allocations: 3.553 MB / 0.9413 GB, free: 118.6 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01231/0.9817, allocations: 6.383 MB / 0.9475 GB, free: 115.5 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.665e-05/0.9818, allocations: 8.734 kB / 0.9475 GB, free: 115.5 MB / 0.7325 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 0.02963/1.011, allocations: 10.99 MB / 0.9583 GB, free: 110.5 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 6.343e-05/1.012, allocations: 16.19 kB / 0.9583 GB, free: 110.5 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.124e-05/1.012, allocations: 31.56 kB / 0.9583 GB, free: 110.5 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01871/1.03, allocations: 5.484 MB / 0.9637 GB, free: 107.9 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004046/1.034, allocations: 0.9876 MB / 0.9646 GB, free: 107.6 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03677/1.071, allocations: 28.16 MB / 0.9921 GB, free: 81.05 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004541/1.076, allocations: 0.5536 MB / 0.9927 GB, free: 80.5 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008197/1.077, allocations: 148 kB / 0.9928 GB, free: 80.36 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007883/1.085, allocations: 3.964 MB / 0.9967 GB, free: 76.38 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005765/1.09, allocations: 3.524 MB / 1 GB, free: 72.48 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08327/1.174, allocations: 24.59 MB / 1.024 GB, free: 47.42 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.281e-05/1.174, allocations: 8 kB / 1.024 GB, free: 47.41 MB / 0.7325 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 0.02459/1.198, allocations: 10.5 MB / 1.034 GB, free: 36.77 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 3.137e-05/1.198, allocations: 16.56 kB / 1.034 GB, free: 36.75 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.385e-05/1.198, allocations: 24 kB / 1.034 GB, free: 36.73 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01337/1.212, allocations: 4.266 MB / 1.039 GB, free: 32.46 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004117/1.216, allocations: 1.028 MB / 1.04 GB, free: 31.43 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02921/1.245, allocations: 27.13 MB / 1.066 GB, free: 3.609 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004345/1.25, allocations: 0.538 MB / 1.067 GB, free: 3.07 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006524/1.25, allocations: 148 kB / 1.067 GB, free: 2.926 MB / 0.7325 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 0.001269/1.252, allocations: 401.6 kB / 1.067 GB, free: 2.527 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008439/1.252, allocations: 197.7 kB / 1.067 GB, free: 2.332 MB / 0.7325 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 0.02689/1.279, allocations: 10.16 MB / 1.077 GB, free: 8.094 MB / 0.7481 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.489e-05/1.279, allocations: 32 kB / 1.077 GB, free: 8.062 MB / 0.7481 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.427e-05/1.279, allocations: 12 kB / 1.077 GB, free: 8.051 MB / 0.7481 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.619e-05/1.279, allocations: 14.58 kB / 1.077 GB, free: 8.039 MB / 0.7481 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 0.03813/1.318, allocations: 16.31 MB / 1.093 GB, free: 7.551 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.034e-05/1.318, allocations: 12 kB / 1.093 GB, free: 7.539 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003476/1.321, allocations: 0.7375 MB / 1.094 GB, free: 6.801 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01895/1.34, allocations: 5.115 MB / 1.099 GB, free: 1.668 MB / 0.7637 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006871/1.341, allocations: 75.89 kB / 1.099 GB, free: 1.594 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04106/1.382, allocations: 27.24 MB / 1.126 GB, free: 5.875 MB / 0.795 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.297e-05/1.382, allocations: 18.27 kB / 1.126 GB, free: 5.859 MB / 0.795 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 0.0259/1.408, allocations: 10.09 MB / 1.136 GB, free: 11.52 MB / 0.8106 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001687/1.41, allocations: 0.7159 MB / 1.136 GB, free: 10.79 MB / 0.8106 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007112/1.41, allocations: 60 kB / 1.136 GB, free: 10.73 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003539/1.414, allocations: 0.507 MB / 1.137 GB, free: 10.22 MB / 0.8106 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008122/1.415, allocations: 226.3 kB / 1.137 GB, free: 10 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000326/1.415, allocations: 87.95 kB / 1.137 GB, free: 9.918 MB / 0.8106 GB Notification: Performance of sorting global known variables: time 0.001591/1.417, allocations: 0.9816 MB / 1.138 GB, free: 8.934 MB / 0.8106 GB Notification: Performance of sort global known variables: time 2.1e-07/1.417, allocations: 0 / 1.138 GB, free: 8.934 MB / 0.8106 GB Notification: Performance of remove unused functions: time 0.007249/1.424, allocations: 1.844 MB / 1.14 GB, free: 7.09 MB / 0.8106 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 0.0006051/1.425, allocations: 186.8 kB / 1.14 GB, free: 6.898 MB / 0.8106 GB Notification: Performance of simCode: created initialization part: time 0.03359/1.458, allocations: 14.34 MB / 1.154 GB, free: 8.469 MB / 0.8262 GB Notification: Performance of simCode: created event and clocks part: time 1.391e-05/1.458, allocations: 4 kB / 1.154 GB, free: 8.465 MB / 0.8262 GB Notification: Performance of simCode: created simulation system equations: time 0.01056/1.469, allocations: 4.418 MB / 1.158 GB, free: 4.008 MB / 0.8262 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002804/1.472, allocations: 293.5 kB / 1.159 GB, free: 3.727 MB / 0.8262 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02626/1.498, allocations: 11.7 MB / 1.17 GB, free: 7.91 MB / 0.8419 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003991/1.502, allocations: 2.912 MB / 1.173 GB, free: 4.961 MB / 0.8419 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001187/1.503, allocations: 211.3 kB / 1.173 GB, free: 4.754 MB / 0.8419 GB Notification: Performance of SimCode: time 8.52e-07/1.503, allocations: 0 / 1.173 GB, free: 4.754 MB / 0.8419 GB Notification: Performance of Templates: time 0.5168/2.02, allocations: 107.4 MB / 1.278 GB, free: 305.9 MB / 0.9356 GB make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)