Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.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 0.001772/0.001772, allocations: 111.3 kB / 15.23 MB, free: 0.6602 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002012/0.002012, allocations: 193 kB / 16.13 MB, free: 6.645 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.436/1.436, allocations: 222.9 MB / 239.8 MB, free: 4.598 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002549/0.002549, allocations: 286 kB / 290.2 MB, free: 2.203 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.092/1.092, allocations: 178.6 MB / 0.5068 GB, free: 4.797 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.00276/0.00276, allocations: 98.33 kB / 0.6058 GB, free: 25.22 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1785/0.1812, allocations: 89.16 MB / 0.6928 GB, free: 4.805 MB / 494.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02292/0.2042, allocations: 18.13 MB / 0.7105 GB, free: 2.617 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.01235/0.2166, allocations: 6.877 MB / 0.7173 GB, free: 11.72 MB / 0.5137 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001658/0.2183, allocations: 43.88 kB / 0.7173 GB, free: 11.68 MB / 0.5137 GB Notification: Performance of NFTyping.typeComponents: time 0.003703/0.222, allocations: 1.353 MB / 0.7186 GB, free: 10.32 MB / 0.5137 GB Notification: Performance of NFTyping.typeBindings: time 0.003661/0.2257, allocations: 1.351 MB / 0.7199 GB, free: 8.965 MB / 0.5137 GB Notification: Performance of NFTyping.typeClassSections: time 0.003148/0.2288, allocations: 1.162 MB / 0.7211 GB, free: 7.801 MB / 0.5137 GB Notification: Performance of NFFlatten.flatten: time 0.00957/0.2384, allocations: 8.518 MB / 0.7294 GB, free: 15.27 MB / 0.5294 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01254/0.251, allocations: 7.938 MB / 0.7371 GB, free: 7.234 MB / 0.5294 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004516/0.2556, allocations: 1.982 MB / 0.7391 GB, free: 5.246 MB / 0.5294 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00579/0.2614, allocations: 3.066 MB / 0.7421 GB, free: 2.172 MB / 0.5294 GB Notification: Performance of NFPackage.collectConstants: time 0.001338/0.2627, allocations: 368 kB / 0.7424 GB, free: 1.812 MB / 0.5294 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003492/0.2663, allocations: 1.307 MB / 0.7437 GB, free: 0.5039 MB / 0.5294 GB Notification: Performance of NFScalarize.scalarize: time 0.003366/0.2696, allocations: 2.097 MB / 0.7457 GB, free: 14.4 MB / 0.545 GB Notification: Performance of NFVerifyModel.verify: time 0.003519/0.2732, allocations: 2.019 MB / 0.7477 GB, free: 12.38 MB / 0.545 GB Notification: Performance of NFConvertDAE.convert: time 0.009111/0.2823, allocations: 7.666 MB / 0.7552 GB, free: 4.688 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 5.791e-06/0.2823, allocations: 0 / 0.7552 GB, free: 4.688 MB / 0.545 GB Notification: Performance of FrontEnd: time 1.954e-06/0.2823, allocations: 0 / 0.7552 GB, free: 4.688 MB / 0.545 GB Notification: Performance of Transformations before backend: time 0.0002207/0.2826, allocations: 0 / 0.7552 GB, free: 4.688 MB / 0.545 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 0.00996/0.2925, allocations: 3.835 MB / 0.759 GB, free: 0.793 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 4.255e-05/0.2926, allocations: 11.97 kB / 0.759 GB, free: 0.7812 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.3184/0.611, allocations: 2.406 MB / 0.7613 GB, free: 63.57 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004325/0.6153, allocations: 2.167 MB / 0.7634 GB, free: 62.66 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001852/0.6155, allocations: 272.3 kB / 0.7637 GB, free: 62.55 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006993/0.6162, allocations: 355.5 kB / 0.764 GB, free: 62.44 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01343/0.6297, allocations: 7.153 MB / 0.771 GB, free: 60.08 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.535e-05/0.6298, allocations: 6.75 kB / 0.771 GB, free: 60.07 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003899/0.6302, allocations: 150.8 kB / 0.7712 GB, free: 59.97 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004406/0.6306, allocations: 336.3 kB / 0.7715 GB, free: 59.93 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01436/0.645, allocations: 7.048 MB / 0.7784 GB, free: 57.92 MB / 0.545 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 0.02577/0.6708, allocations: 26.73 MB / 0.8045 GB, free: 35.21 MB / 0.545 GB Notification: Performance of preOpt comSubExp (simulation): time 0.006966/0.6778, allocations: 4.988 MB / 0.8093 GB, free: 31.83 MB / 0.545 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.004854/0.6827, allocations: 2.604 MB / 0.8119 GB, free: 30.54 MB / 0.545 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001927/0.6829, allocations: 134.3 kB / 0.812 GB, free: 30.43 MB / 0.545 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.602e-05/0.6829, allocations: 60.44 kB / 0.8121 GB, free: 30.37 MB / 0.545 GB Notification: Performance of pre-optimization done (n=208): time 3.777e-06/0.6829, allocations: 0 / 0.8121 GB, free: 30.37 MB / 0.545 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 0.09236/0.7753, allocations: 30.95 MB / 0.8423 GB, free: 0.7734 MB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.626e-05/0.7754, allocations: 235.6 kB / 0.8425 GB, free: 0.4961 MB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002174/0.7775, allocations: 1.473 MB / 0.844 GB, free: 15.02 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 0.0005396/0.7781, allocations: 69.7 kB / 0.844 GB, free: 14.94 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.001142/0.7792, allocations: 1.492 MB / 0.8455 GB, free: 13.44 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.00102/0.7803, allocations: 0.934 MB / 0.8464 GB, free: 12.51 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001208/0.7815, allocations: 0.6357 MB / 0.847 GB, free: 11.87 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 0.000128/0.7816, allocations: 301.1 kB / 0.8473 GB, free: 11.57 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005842/0.7875, allocations: 2.686 MB / 0.8499 GB, free: 8.875 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006565/0.794, allocations: 3.567 MB / 0.8534 GB, free: 4.93 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0124/0.8065, allocations: 6.395 MB / 0.8597 GB, free: 14.14 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.89e-05/0.8065, allocations: 8 kB / 0.8597 GB, free: 14.13 MB / 0.5762 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 0.02862/0.8351, allocations: 11.03 MB / 0.8704 GB, free: 3 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 4.007e-05/0.8352, allocations: 19.94 kB / 0.8705 GB, free: 2.98 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.66e-05/0.8352, allocations: 28 kB / 0.8705 GB, free: 2.953 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02066/0.8559, allocations: 5.54 MB / 0.8759 GB, free: 13.4 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004654/0.8606, allocations: 0.9906 MB / 0.8769 GB, free: 12.41 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.044/0.9046, allocations: 25.78 MB / 0.902 GB, free: 2.211 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004401/0.9091, allocations: 0.5692 MB / 0.9026 GB, free: 1.641 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003791/0.9094, allocations: 151.9 kB / 0.9027 GB, free: 1.492 MB / 0.6075 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008303/0.9178, allocations: 3.987 MB / 0.9066 GB, free: 13.5 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006977/0.9248, allocations: 3.532 MB / 0.9101 GB, free: 9.59 MB / 0.6231 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09416/1.019, allocations: 24.62 MB / 0.9341 GB, free: 476 kB / 0.6387 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.329e-05/1.019, allocations: 8 kB / 0.9341 GB, free: 468 kB / 0.6387 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 0.02846/1.048, allocations: 10.53 MB / 0.9444 GB, free: 5.781 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 3.855e-05/1.048, allocations: 16 kB / 0.9444 GB, free: 5.766 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.205e-05/1.048, allocations: 31.92 kB / 0.9445 GB, free: 5.734 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01635/1.064, allocations: 4.324 MB / 0.9487 GB, free: 1.398 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004937/1.069, allocations: 1.045 MB / 0.9497 GB, free: 360 kB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0373/1.106, allocations: 24.95 MB / 0.9741 GB, free: 6.695 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004642/1.111, allocations: 0.5575 MB / 0.9746 GB, free: 6.137 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006025/1.112, allocations: 151.9 kB / 0.9748 GB, free: 5.988 MB / 0.6856 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 0.001083/1.113, allocations: 403.5 kB / 0.9751 GB, free: 5.594 MB / 0.6856 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006763/1.113, allocations: 197.8 kB / 0.9753 GB, free: 5.398 MB / 0.6856 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 0.02752/1.141, allocations: 10.18 MB / 0.9853 GB, free: 11.15 MB / 0.7012 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.064e-05/1.141, allocations: 28 kB / 0.9853 GB, free: 11.12 MB / 0.7012 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.519e-05/1.141, allocations: 12 kB / 0.9853 GB, free: 11.11 MB / 0.7012 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.483e-05/1.141, allocations: 15.94 kB / 0.9853 GB, free: 11.1 MB / 0.7012 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 0.0376/1.179, allocations: 16.31 MB / 1.001 GB, free: 10.54 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.619e-05/1.179, allocations: 8 kB / 1.001 GB, free: 10.54 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00342/1.182, allocations: 0.7338 MB / 1.002 GB, free: 9.801 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01965/1.202, allocations: 5.177 MB / 1.007 GB, free: 4.605 MB / 0.7169 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005609/1.202, allocations: 75.95 kB / 1.007 GB, free: 4.531 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04105/1.243, allocations: 24.86 MB / 1.031 GB, free: 11.19 MB / 0.7481 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.578e-06/1.244, allocations: 8 kB / 1.031 GB, free: 11.18 MB / 0.7481 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 0.02676/1.27, allocations: 10.1 MB / 1.041 GB, free: 0.8242 MB / 0.7481 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001771/1.272, allocations: 0.721 MB / 1.042 GB, free: 84 kB / 0.7481 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004209/1.273, allocations: 56 kB / 1.042 GB, free: 28 kB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.3017/1.574, allocations: 0.5023 MB / 1.043 GB, free: 247.7 MB / 0.7481 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008683/1.575, allocations: 227.2 kB / 1.043 GB, free: 247.7 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002544/1.575, allocations: 93.39 kB / 1.043 GB, free: 247.7 MB / 0.7481 GB Notification: Performance of sorting global known variables: time 0.001513/1.577, allocations: 1.004 MB / 1.044 GB, free: 247.6 MB / 0.7481 GB Notification: Performance of sort global known variables: time 1.51e-07/1.577, allocations: 0 / 1.044 GB, free: 247.6 MB / 0.7481 GB Notification: Performance of remove unused functions: time 0.005637/1.583, allocations: 1.854 MB / 1.046 GB, free: 247.6 MB / 0.7481 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 0.0003742/1.583, allocations: 172.6 kB / 1.046 GB, free: 247.5 MB / 0.7481 GB Notification: Performance of simCode: created initialization part: time 0.03131/1.614, allocations: 12.4 MB / 1.058 GB, free: 246.1 MB / 0.7481 GB Notification: Performance of simCode: created event and clocks part: time 1.564e-05/1.614, allocations: 1.094 kB / 1.058 GB, free: 246.1 MB / 0.7481 GB Notification: Performance of simCode: created simulation system equations: time 0.01076/1.625, allocations: 4.404 MB / 1.062 GB, free: 244.6 MB / 0.7481 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00239/1.628, allocations: 275.6 kB / 1.062 GB, free: 244.5 MB / 0.7481 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02269/1.65, allocations: 11.13 MB / 1.073 GB, free: 239.7 MB / 0.7481 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002821/1.653, allocations: 2.848 MB / 1.076 GB, free: 238.5 MB / 0.7481 GB Notification: Performance of simCode: alias equations: time 0.005366/1.659, allocations: 1.665 MB / 1.078 GB, free: 238.4 MB / 0.7481 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007062/1.659, allocations: 171.6 kB / 1.078 GB, free: 238.4 MB / 0.7481 GB Notification: Performance of SimCode: time 6.91e-07/1.659, allocations: 0 / 1.078 GB, free: 238.4 MB / 0.7481 GB Notification: Performance of Templates: time 0.095/1.754, allocations: 75.51 MB / 1.152 GB, free: 174.4 MB / 0.7481 GB make -j1 -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)