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 0.001244/0.001244, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00126/0.00126, allocations: 192.3 kB / 16.53 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.639/1.639, allocations: 205.1 MB / 222.4 MB, free: 4.598 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 1.811/1.811, allocations: 292.3 MB / 0.5489 GB, free: 12.77 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 0.001486/0.001486, allocations: 76.42 kB / 0.6715 GB, free: 26.3 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2744/0.2759, allocations: 114.5 MB / 0.7834 GB, free: 13.42 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02207/0.298, allocations: 18.24 MB / 0.8012 GB, free: 11.1 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.0123/0.3103, allocations: 6.86 MB / 0.8079 GB, free: 4.219 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001961/0.3123, allocations: 55.88 kB / 0.808 GB, free: 4.164 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.003994/0.3164, allocations: 1.465 MB / 0.8094 GB, free: 2.695 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.004114/0.3205, allocations: 1.408 MB / 0.8108 GB, free: 1.281 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.003547/0.3241, allocations: 1.286 MB / 0.812 GB, free: 15.99 MB / 0.6387 GB Notification: Performance of NFFlatten.flatten: time 0.006718/0.3308, allocations: 5.464 MB / 0.8174 GB, free: 10.52 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008759/0.3396, allocations: 7.237 MB / 0.8244 GB, free: 3.164 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004658/0.3443, allocations: 2.357 MB / 0.8267 GB, free: 0.8008 MB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00504/0.3494, allocations: 2.965 MB / 0.8296 GB, free: 13.82 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.00105/0.3505, allocations: 0.5156 MB / 0.8301 GB, free: 13.31 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00377/0.3543, allocations: 1.279 MB / 0.8314 GB, free: 12.03 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.003432/0.3577, allocations: 2.242 MB / 0.8336 GB, free: 9.785 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.004592/0.3623, allocations: 2.187 MB / 0.8357 GB, free: 7.59 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.009562/0.3719, allocations: 7.74 MB / 0.8433 GB, free: 15.83 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 7.414e-06/0.372, allocations: 4 kB / 0.8433 GB, free: 15.82 MB / 0.67 GB Notification: Performance of FrontEnd: time 2.885e-06/0.372, allocations: 0 / 0.8433 GB, free: 15.82 MB / 0.67 GB Notification: Performance of Transformations before backend: time 0.0002424/0.3722, allocations: 0 / 0.8433 GB, free: 15.82 MB / 0.67 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 0.01131/0.3835, allocations: 3.819 MB / 0.847 GB, free: 11.95 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 5.708e-05/0.3836, allocations: 8.031 kB / 0.847 GB, free: 11.94 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01287/0.3965, allocations: 2.349 MB / 0.8493 GB, free: 9.582 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005764/0.4023, allocations: 2.159 MB / 0.8514 GB, free: 7.379 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002546/0.4026, allocations: 271.5 kB / 0.8517 GB, free: 7.113 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001451/0.4041, allocations: 355.9 kB / 0.852 GB, free: 6.766 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01744/0.4215, allocations: 7.12 MB / 0.859 GB, free: 15.54 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.845e-05/0.4216, allocations: 4 kB / 0.859 GB, free: 15.54 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004433/0.4221, allocations: 152 kB / 0.8591 GB, free: 15.39 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004807/0.4226, allocations: 338 kB / 0.8594 GB, free: 15.06 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01712/0.4397, allocations: 7.001 MB / 0.8663 GB, free: 8.047 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 0.04104/0.4808, allocations: 26.67 MB / 0.8923 GB, free: 11.2 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008802/0.4897, allocations: 4.996 MB / 0.8972 GB, free: 5.891 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00636/0.4961, allocations: 2.596 MB / 0.8997 GB, free: 3.281 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003849/0.4965, allocations: 139 kB / 0.8999 GB, free: 3.129 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.874e-05/0.4966, allocations: 64.5 kB / 0.8999 GB, free: 3.055 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=208): time 6.031e-06/0.4966, allocations: 0 / 0.8999 GB, free: 3.055 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 0.6235/1.12, allocations: 30.94 MB / 0.9301 GB, free: 124.1 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.273e-05/1.12, allocations: 241.1 kB / 0.9304 GB, free: 123.9 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002232/1.122, allocations: 1.45 MB / 0.9318 GB, free: 123.3 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0006854/1.123, allocations: 69.67 kB / 0.9318 GB, free: 123.3 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009448/1.124, allocations: 1.5 MB / 0.9333 GB, free: 122.1 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.001065/1.125, allocations: 0.9195 MB / 0.9342 GB, free: 121.4 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001167/1.126, allocations: 0.6275 MB / 0.9348 GB, free: 121.1 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 5.682e-05/1.126, allocations: 307.1 kB / 0.9351 GB, free: 120.8 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006162/1.133, allocations: 2.672 MB / 0.9377 GB, free: 120 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007161/1.14, allocations: 3.547 MB / 0.9412 GB, free: 118.1 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01287/1.153, allocations: 6.387 MB / 0.9474 GB, free: 115.1 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.84e-05/1.153, allocations: 9.125 kB / 0.9474 GB, free: 115.1 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 0.02915/1.182, allocations: 10.98 MB / 0.9582 GB, free: 110 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 5.639e-05/1.182, allocations: 19.69 kB / 0.9582 GB, free: 110 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.54e-05/1.182, allocations: 29.52 kB / 0.9582 GB, free: 110 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01862/1.201, allocations: 5.484 MB / 0.9636 GB, free: 107.4 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004112/1.205, allocations: 0.9831 MB / 0.9645 GB, free: 107.1 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03488/1.24, allocations: 28.17 MB / 0.992 GB, free: 80.46 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004411/1.244, allocations: 0.5535 MB / 0.9926 GB, free: 79.9 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004087/1.245, allocations: 152 kB / 0.9927 GB, free: 79.75 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007022/1.252, allocations: 3.964 MB / 0.9966 GB, free: 75.78 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005621/1.257, allocations: 3.517 MB / 1 GB, free: 71.89 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08046/1.338, allocations: 24.59 MB / 1.024 GB, free: 46.82 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.964e-05/1.338, allocations: 8 kB / 1.024 GB, free: 46.81 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 0.02261/1.36, allocations: 10.5 MB / 1.034 GB, free: 36.17 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 3.2e-05/1.361, allocations: 16 kB / 1.034 GB, free: 36.15 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.783e-05/1.361, allocations: 24.56 kB / 1.034 GB, free: 36.13 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01382/1.374, allocations: 4.267 MB / 1.039 GB, free: 31.85 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004589/1.379, allocations: 1.029 MB / 1.04 GB, free: 30.82 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0295/1.409, allocations: 27.13 MB / 1.066 GB, free: 3.008 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004301/1.413, allocations: 0.5419 MB / 1.067 GB, free: 2.465 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004473/1.413, allocations: 148 kB / 1.067 GB, free: 2.32 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 0.0008842/1.414, allocations: 404.3 kB / 1.067 GB, free: 1.918 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005782/1.415, allocations: 197.7 kB / 1.067 GB, free: 1.723 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 0.02703/1.442, allocations: 10.17 MB / 1.077 GB, free: 7.477 MB / 0.7481 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.419e-05/1.442, allocations: 30.16 kB / 1.077 GB, free: 7.453 MB / 0.7481 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.717e-05/1.442, allocations: 20 kB / 1.077 GB, free: 7.434 MB / 0.7481 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.913e-05/1.442, allocations: 11.95 kB / 1.077 GB, free: 7.422 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 0.03806/1.48, allocations: 16.31 MB / 1.093 GB, free: 6.945 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.791e-05/1.48, allocations: 8 kB / 1.093 GB, free: 6.938 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003575/1.484, allocations: 0.7336 MB / 1.094 GB, free: 6.203 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.02137/1.505, allocations: 5.118 MB / 1.099 GB, free: 1.07 MB / 0.7637 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008874/1.506, allocations: 79.89 kB / 1.099 GB, free: 0.9922 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.06389/1.57, allocations: 27.23 MB / 1.126 GB, free: 5.277 MB / 0.795 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.47e-05/1.57, allocations: 8 kB / 1.126 GB, free: 5.27 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 0.03837/1.609, allocations: 10.1 MB / 1.135 GB, free: 10.91 MB / 0.8106 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002507/1.611, allocations: 0.7171 MB / 1.136 GB, free: 10.18 MB / 0.8106 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009062/1.612, allocations: 56 kB / 1.136 GB, free: 10.12 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004058/1.616, allocations: 0.5053 MB / 1.137 GB, free: 9.617 MB / 0.8106 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001068/1.617, allocations: 226.3 kB / 1.137 GB, free: 9.398 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004309/1.618, allocations: 91.95 kB / 1.137 GB, free: 9.309 MB / 0.8106 GB Notification: Performance of sorting global known variables: time 0.001877/1.619, allocations: 0.9816 MB / 1.138 GB, free: 8.324 MB / 0.8106 GB Notification: Performance of sort global known variables: time 3.71e-07/1.619, allocations: 0 / 1.138 GB, free: 8.324 MB / 0.8106 GB Notification: Performance of remove unused functions: time 0.008665/1.628, allocations: 1.836 MB / 1.14 GB, free: 6.488 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 0.0007558/1.629, allocations: 182.9 kB / 1.14 GB, free: 6.301 MB / 0.8106 GB Notification: Performance of simCode: created initialization part: time 0.03646/1.665, allocations: 14.34 MB / 1.154 GB, free: 7.875 MB / 0.8262 GB Notification: Performance of simCode: created event and clocks part: time 1.97e-05/1.666, allocations: 4.125 kB / 1.154 GB, free: 7.871 MB / 0.8262 GB Notification: Performance of simCode: created simulation system equations: time 0.01182/1.677, allocations: 4.439 MB / 1.158 GB, free: 3.398 MB / 0.8262 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003283/1.681, allocations: 287.4 kB / 1.159 GB, free: 3.125 MB / 0.8262 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02754/1.708, allocations: 9.554 MB / 1.168 GB, free: 9.453 MB / 0.8419 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004305/1.713, allocations: 2.849 MB / 1.171 GB, free: 6.566 MB / 0.8419 GB Notification: Performance of simCode: alias equations: time 0.006051/1.719, allocations: 1.649 MB / 1.172 GB, free: 4.914 MB / 0.8419 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008757/1.72, allocations: 171.3 kB / 1.172 GB, free: 4.746 MB / 0.8419 GB Notification: Performance of SimCode: time 1.392e-06/1.72, allocations: 0 / 1.172 GB, free: 4.746 MB / 0.8419 GB Notification: Performance of Templates: time 0.1192/1.839, allocations: 77.69 MB / 1.248 GB, free: 7.254 MB / 0.92 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)