Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_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 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.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_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 0.001269/0.001269, allocations: 111.3 kB / 15.23 MB, free: 0.6406 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001115/0.001115, allocations: 192 kB / 16.14 MB, free: 6.711 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.449/1.449, allocations: 205.1 MB / 222 MB, free: 4.766 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 1.831/1.831, allocations: 292.2 MB / 0.5484 GB, free: 13.66 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 0.001267/0.001267, allocations: 63.31 kB / 0.6708 GB, free: 26.23 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2376/0.2389, allocations: 114.6 MB / 0.7827 GB, free: 13.96 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02051/0.2594, allocations: 18.04 MB / 0.8003 GB, free: 11.84 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.01263/0.2721, allocations: 6.884 MB / 0.8071 GB, free: 4.938 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00239/0.2746, allocations: 47.88 kB / 0.8071 GB, free: 4.891 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.004272/0.2789, allocations: 1.35 MB / 0.8084 GB, free: 3.539 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.005125/0.284, allocations: 1.32 MB / 0.8097 GB, free: 2.215 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.004787/0.2888, allocations: 1.173 MB / 0.8108 GB, free: 1.043 MB / 0.6231 GB Notification: Performance of NFFlatten.flatten: time 0.009289/0.2981, allocations: 8.487 MB / 0.8191 GB, free: 8.539 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01335/0.3115, allocations: 7.903 MB / 0.8269 GB, free: 0.5312 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004588/0.3161, allocations: 1.97 MB / 0.8288 GB, free: 14.55 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006043/0.3222, allocations: 3.066 MB / 0.8318 GB, free: 11.48 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.002094/0.3243, allocations: 364 kB / 0.8321 GB, free: 11.12 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005197/0.3296, allocations: 1.287 MB / 0.8334 GB, free: 9.836 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.00477/0.3344, allocations: 2.082 MB / 0.8354 GB, free: 7.75 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.00718/0.3416, allocations: 2.003 MB / 0.8374 GB, free: 5.738 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.01321/0.3548, allocations: 7.619 MB / 0.8448 GB, free: 14.09 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 6.903e-06/0.3549, allocations: 0 / 0.8448 GB, free: 14.09 MB / 0.67 GB Notification: Performance of FrontEnd: time 2.655e-06/0.3549, allocations: 0 / 0.8448 GB, free: 14.09 MB / 0.67 GB Notification: Performance of Transformations before backend: time 0.000311/0.3552, allocations: 0 / 0.8448 GB, free: 14.09 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: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01398/0.3692, allocations: 3.788 MB / 0.8485 GB, free: 10.25 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 5.339e-05/0.3693, allocations: 8.031 kB / 0.8485 GB, free: 10.24 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01334/0.3826, allocations: 2.341 MB / 0.8508 GB, free: 7.895 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006297/0.389, allocations: 2.151 MB / 0.8529 GB, free: 5.699 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003559/0.3894, allocations: 259.4 kB / 0.8531 GB, free: 5.445 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002435/0.3918, allocations: 355.8 kB / 0.8535 GB, free: 5.098 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02401/0.4158, allocations: 7.099 MB / 0.8604 GB, free: 13.9 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001031/0.416, allocations: 4 kB / 0.8604 GB, free: 13.89 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005547/0.4166, allocations: 140 kB / 0.8606 GB, free: 13.76 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005896/0.4172, allocations: 338 kB / 0.8609 GB, free: 13.43 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01854/0.4357, allocations: 6.981 MB / 0.8677 GB, free: 6.43 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 0.04199/0.4778, allocations: 26.54 MB / 0.8936 GB, free: 9.715 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008883/0.4867, allocations: 4.994 MB / 0.8985 GB, free: 4.41 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006076/0.4928, allocations: 2.591 MB / 0.901 GB, free: 1.805 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002928/0.4931, allocations: 139 kB / 0.9012 GB, free: 1.652 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.531e-05/0.4932, allocations: 60.5 kB / 0.9012 GB, free: 1.582 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=208): time 3.888e-06/0.4932, allocations: 0 / 0.9012 GB, free: 1.582 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 0.4791/0.9723, allocations: 30.9 MB / 0.9314 GB, free: 124.4 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001066/0.9725, allocations: 244.7 kB / 0.9316 GB, free: 124.1 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002168/0.9747, allocations: 1.398 MB / 0.933 GB, free: 123.6 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0006195/0.9753, allocations: 70.28 kB / 0.9331 GB, free: 123.6 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.000944/0.9762, allocations: 1.487 MB / 0.9345 GB, free: 122.4 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.001129/0.9774, allocations: 0.9162 MB / 0.9354 GB, free: 121.7 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001315/0.9787, allocations: 0.6293 MB / 0.936 GB, free: 121.4 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 5.199e-05/0.9788, allocations: 302.5 kB / 0.9363 GB, free: 121.1 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006419/0.9852, allocations: 2.675 MB / 0.9389 GB, free: 120.3 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007078/0.9923, allocations: 3.549 MB / 0.9424 GB, free: 118.4 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01253/1.005, allocations: 6.382 MB / 0.9486 GB, free: 115.4 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.525e-05/1.005, allocations: 15.5 kB / 0.9486 GB, free: 115.4 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 0.02818/1.033, allocations: 10.98 MB / 0.9594 GB, free: 110.1 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 4.014e-05/1.033, allocations: 19.59 kB / 0.9594 GB, free: 110.1 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.372e-05/1.033, allocations: 23.66 kB / 0.9594 GB, free: 110.1 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01813/1.051, allocations: 5.46 MB / 0.9647 GB, free: 107.5 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004028/1.055, allocations: 0.9837 MB / 0.9657 GB, free: 107.2 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03328/1.089, allocations: 25.76 MB / 0.9908 GB, free: 81.8 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004743/1.094, allocations: 0.5498 MB / 0.9914 GB, free: 81.25 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007623/1.094, allocations: 144 kB / 0.9915 GB, free: 81.11 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006818/1.101, allocations: 3.968 MB / 0.9954 GB, free: 77.13 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.004794/1.106, allocations: 3.513 MB / 0.9988 GB, free: 73.24 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07605/1.182, allocations: 24.56 MB / 1.023 GB, free: 48.21 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.399e-05/1.182, allocations: 8 kB / 1.023 GB, free: 48.2 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 0.02219/1.204, allocations: 10.49 MB / 1.033 GB, free: 37.57 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 2.827e-05/1.204, allocations: 16 kB / 1.033 GB, free: 37.55 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.216e-05/1.204, allocations: 24 kB / 1.033 GB, free: 37.53 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01326/1.218, allocations: 4.26 MB / 1.037 GB, free: 33.26 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004143/1.222, allocations: 1.031 MB / 1.038 GB, free: 32.23 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0259/1.248, allocations: 24.91 MB / 1.063 GB, free: 6.656 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00457/1.252, allocations: 0.5381 MB / 1.063 GB, free: 6.117 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003687/1.253, allocations: 155.9 kB / 1.063 GB, free: 5.965 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 0.001016/1.254, allocations: 392.2 kB / 1.064 GB, free: 5.574 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005689/1.254, allocations: 201.3 kB / 1.064 GB, free: 5.379 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 0.02348/1.278, allocations: 10.17 MB / 1.074 GB, free: 11.14 MB / 0.7481 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.447e-05/1.278, allocations: 28 kB / 1.074 GB, free: 11.11 MB / 0.7481 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.5e-05/1.278, allocations: 12 kB / 1.074 GB, free: 11.1 MB / 0.7481 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.264e-05/1.278, allocations: 15.95 kB / 1.074 GB, free: 11.08 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 0.03672/1.315, allocations: 16.28 MB / 1.09 GB, free: 10.63 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.66e-05/1.315, allocations: 12.06 kB / 1.09 GB, free: 10.62 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003285/1.318, allocations: 0.7333 MB / 1.09 GB, free: 9.883 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01775/1.336, allocations: 5.103 MB / 1.095 GB, free: 4.766 MB / 0.7637 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000597/1.337, allocations: 75.95 kB / 1.095 GB, free: 4.691 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03638/1.373, allocations: 24.84 MB / 1.12 GB, free: 11.39 MB / 0.795 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.117e-05/1.373, allocations: 12.03 kB / 1.12 GB, free: 11.38 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 0.02425/1.397, allocations: 10.08 MB / 1.13 GB, free: 1.051 MB / 0.795 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001865/1.399, allocations: 0.721 MB / 1.13 GB, free: 316 kB / 0.795 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008479/1.4, allocations: 55.98 kB / 1.13 GB, free: 260 kB / 0.795 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003618/1.404, allocations: 0.5031 MB / 1.131 GB, free: 15.75 MB / 0.8106 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009141/1.405, allocations: 234.3 kB / 1.131 GB, free: 15.52 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000263/1.405, allocations: 91.95 kB / 1.131 GB, free: 15.43 MB / 0.8106 GB Notification: Performance of sorting global known variables: time 0.001328/1.406, allocations: 0.9489 MB / 1.132 GB, free: 14.48 MB / 0.8106 GB Notification: Performance of sort global known variables: time 1.3e-07/1.406, allocations: 0 / 1.132 GB, free: 14.48 MB / 0.8106 GB Notification: Performance of remove unused functions: time 0.006236/1.412, allocations: 1.828 MB / 1.134 GB, free: 12.65 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 0.0004196/1.413, allocations: 179.8 kB / 1.134 GB, free: 12.47 MB / 0.8106 GB Notification: Performance of simCode: created initialization part: time 0.0279/1.441, allocations: 12.35 MB / 1.146 GB, free: 12 kB / 0.8106 GB Notification: Performance of simCode: created event and clocks part: time 1.85e-05/1.441, allocations: 4.875 kB / 1.146 GB, free: 8 kB / 0.8106 GB Notification: Performance of simCode: created simulation system equations: time 0.01099/1.452, allocations: 4.413 MB / 1.15 GB, free: 11.55 MB / 0.8262 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003062/1.455, allocations: 263.1 kB / 1.151 GB, free: 11.3 MB / 0.8262 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02402/1.479, allocations: 10.56 MB / 1.161 GB, free: 0.6211 MB / 0.8262 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003718/1.483, allocations: 2.836 MB / 1.164 GB, free: 13.75 MB / 0.8419 GB Notification: Performance of simCode: alias equations: time 0.005093/1.488, allocations: 1.649 MB / 1.165 GB, free: 12.1 MB / 0.8419 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006492/1.488, allocations: 171.3 kB / 1.166 GB, free: 11.93 MB / 0.8419 GB Notification: Performance of SimCode: time 1.232e-06/1.488, allocations: 0 / 1.166 GB, free: 11.93 MB / 0.8419 GB Notification: Performance of Templates: time 0.1137/1.602, allocations: 74.56 MB / 1.238 GB, free: 1.543 MB / 0.9044 GB make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)