Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_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 7.0.3-maint.7.0.x/package.mo", uses=false) Using package Buildings with version 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.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_maint.7.0.x_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_maint.7.0.x_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 0.001287/0.001287, 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 0.001597/0.001597, allocations: 194.7 kB / 16.14 MB, free: 6.703 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.401/1.401, allocations: 205.1 MB / 222 MB, free: 4.996 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.503/1.503, allocations: 251.6 MB / 0.5088 GB, free: 3.352 MB / 414.1 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 0.001331/0.001331, allocations: 67.89 kB / 0.6216 GB, free: 1.953 MB / 0.5137 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5878/0.5891, allocations: 104.7 MB / 0.7238 GB, free: 13.15 MB / 0.545 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02046/0.6097, allocations: 18.13 MB / 0.7416 GB, free: 10.95 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.01183/0.6215, allocations: 6.892 MB / 0.7483 GB, free: 4.031 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001774/0.6233, allocations: 47.88 kB / 0.7483 GB, free: 3.984 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.003645/0.6271, allocations: 1.35 MB / 0.7496 GB, free: 2.633 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.003872/0.6309, allocations: 1.327 MB / 0.7509 GB, free: 1.301 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.00309/0.634, allocations: 1.182 MB / 0.7521 GB, free: 120 kB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.008399/0.6425, allocations: 8.499 MB / 0.7604 GB, free: 7.602 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0111/0.6536, allocations: 7.94 MB / 0.7681 GB, free: 15.56 MB / 0.5919 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004348/0.658, allocations: 1.982 MB / 0.7701 GB, free: 13.57 MB / 0.5919 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00558/0.6636, allocations: 3.058 MB / 0.7731 GB, free: 10.5 MB / 0.5919 GB Notification: Performance of NFPackage.collectConstants: time 0.001103/0.6647, allocations: 368 kB / 0.7734 GB, free: 10.14 MB / 0.5919 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002887/0.6676, allocations: 1.299 MB / 0.7747 GB, free: 8.844 MB / 0.5919 GB Notification: Performance of NFScalarize.scalarize: time 0.002706/0.6704, allocations: 2.097 MB / 0.7767 GB, free: 6.742 MB / 0.5919 GB Notification: Performance of NFVerifyModel.verify: time 0.003315/0.6737, allocations: 2.019 MB / 0.7787 GB, free: 4.715 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.008581/0.6823, allocations: 7.67 MB / 0.7862 GB, free: 13.02 MB / 0.6075 GB Notification: Performance of FrontEnd - DAE generated: time 4.689e-06/0.6823, allocations: 0 / 0.7862 GB, free: 13.02 MB / 0.6075 GB Notification: Performance of FrontEnd: time 2.815e-06/0.6823, allocations: 0 / 0.7862 GB, free: 13.02 MB / 0.6075 GB Notification: Performance of Transformations before backend: time 0.0001742/0.6825, allocations: 3.938 kB / 0.7862 GB, free: 13.02 MB / 0.6075 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 0.01051/0.693, allocations: 3.815 MB / 0.7899 GB, free: 9.145 MB / 0.6075 GB Notification: Performance of prepare preOptimizeDAE: time 4.535e-05/0.6931, allocations: 8.031 kB / 0.7899 GB, free: 9.137 MB / 0.6075 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01221/0.7053, allocations: 2.353 MB / 0.7922 GB, free: 6.777 MB / 0.6075 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005516/0.7109, allocations: 2.159 MB / 0.7943 GB, free: 4.574 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002797/0.7112, allocations: 271.5 kB / 0.7946 GB, free: 4.309 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002139/0.7134, allocations: 351.9 kB / 0.7949 GB, free: 3.965 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02121/0.7346, allocations: 7.12 MB / 0.8019 GB, free: 12.75 MB / 0.6231 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001116/0.7348, allocations: 7.984 kB / 0.8019 GB, free: 12.74 MB / 0.6231 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006728/0.7354, allocations: 152 kB / 0.802 GB, free: 12.59 MB / 0.6231 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005159/0.736, allocations: 342 kB / 0.8024 GB, free: 12.25 MB / 0.6231 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01656/0.7525, allocations: 6.997 MB / 0.8092 GB, free: 5.242 MB / 0.6231 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 0.036/0.7886, allocations: 26.66 MB / 0.8352 GB, free: 8.398 MB / 0.6544 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008603/0.7972, allocations: 4.998 MB / 0.8401 GB, free: 3.098 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005742/0.803, allocations: 2.596 MB / 0.8427 GB, free: 496 kB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003074/0.8034, allocations: 139 kB / 0.8428 GB, free: 340 kB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.966e-05/0.8034, allocations: 60.5 kB / 0.8428 GB, free: 268 kB / 0.6544 GB Notification: Performance of pre-optimization done (n=208): time 4.619e-06/0.8034, allocations: 0 / 0.8428 GB, free: 268 kB / 0.6544 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 0.1036/0.9071, allocations: 30.94 MB / 0.8731 GB, free: 1.227 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002166/0.9073, allocations: 239.6 kB / 0.8733 GB, free: 0.9453 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003237/0.9106, allocations: 1.438 MB / 0.8747 GB, free: 15.5 MB / 0.7012 GB Notification: Performance of collectPreVariables (initialization): time 0.0007149/0.9113, allocations: 73.7 kB / 0.8748 GB, free: 15.42 MB / 0.7012 GB Notification: Performance of collectInitialEqns (initialization): time 0.001493/0.9128, allocations: 1.497 MB / 0.8762 GB, free: 13.9 MB / 0.7012 GB Notification: Performance of collectInitialBindings (initialization): time 0.001704/0.9145, allocations: 0.9243 MB / 0.8771 GB, free: 12.96 MB / 0.7012 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001851/0.9164, allocations: 0.6317 MB / 0.8777 GB, free: 12.32 MB / 0.7012 GB Notification: Performance of setup shared object (initialization): time 0.0001542/0.9166, allocations: 309.1 kB / 0.878 GB, free: 12.02 MB / 0.7012 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.009473/0.9261, allocations: 2.666 MB / 0.8806 GB, free: 9.344 MB / 0.7012 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01072/0.9369, allocations: 3.552 MB / 0.8841 GB, free: 5.414 MB / 0.7012 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.02033/0.9573, allocations: 6.383 MB / 0.8903 GB, free: 14.63 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.81e-05/0.9574, allocations: 8 kB / 0.8904 GB, free: 14.62 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=410) (initialization): time 0.04472/1.002, allocations: 10.99 MB / 0.9011 GB, free: 3.531 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 5.803e-05/1.002, allocations: 16 kB / 0.9011 GB, free: 3.516 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.143e-05/1.002, allocations: 28.56 kB / 0.9011 GB, free: 3.488 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.553/1.555, allocations: 5.46 MB / 0.9065 GB, free: 163.1 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005022/1.56, allocations: 0.9841 MB / 0.9074 GB, free: 163.1 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04057/1.601, allocations: 25.75 MB / 0.9326 GB, free: 150.6 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004594/1.606, allocations: 0.5525 MB / 0.9331 GB, free: 150.5 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000665/1.606, allocations: 146.2 kB / 0.9332 GB, free: 150.5 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007815/1.614, allocations: 3.97 MB / 0.9371 GB, free: 149.2 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00595/1.62, allocations: 3.516 MB / 0.9406 GB, free: 146.7 MB / 0.7169 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08137/1.702, allocations: 24.55 MB / 0.9645 GB, free: 121.6 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.978e-05/1.702, allocations: 8 kB / 0.9645 GB, free: 121.6 MB / 0.7169 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 0.02401/1.726, allocations: 10.49 MB / 0.9748 GB, free: 111.1 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 5.978e-05/1.726, allocations: 20 kB / 0.9748 GB, free: 111.1 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.59e-05/1.726, allocations: 24 kB / 0.9748 GB, free: 111.1 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01428/1.74, allocations: 4.249 MB / 0.979 GB, free: 106.8 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004572/1.745, allocations: 1.026 MB / 0.98 GB, free: 105.8 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02813/1.773, allocations: 24.96 MB / 1.004 GB, free: 80.17 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004462/1.777, allocations: 0.5342 MB / 1.005 GB, free: 79.63 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006666/1.778, allocations: 155.9 kB / 1.005 GB, free: 79.48 MB / 0.7169 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 0.00112/1.779, allocations: 389 kB / 1.005 GB, free: 79.11 MB / 0.7169 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006741/1.78, allocations: 205.6 kB / 1.006 GB, free: 78.91 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 postOpt wrapFunctionCalls (simulation): time 0.02371/1.804, allocations: 10.17 MB / 1.016 GB, free: 68.66 MB / 0.7169 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.95e-05/1.804, allocations: 28 kB / 1.016 GB, free: 68.63 MB / 0.7169 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.182e-05/1.804, allocations: 12 kB / 1.016 GB, free: 68.62 MB / 0.7169 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.91e-05/1.804, allocations: 19.94 kB / 1.016 GB, free: 68.6 MB / 0.7169 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 0.03127/1.835, allocations: 16.31 MB / 1.032 GB, free: 52.12 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.226e-05/1.835, allocations: 8 kB / 1.032 GB, free: 52.11 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003123/1.838, allocations: 0.73 MB / 1.032 GB, free: 51.38 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01661/1.855, allocations: 5.103 MB / 1.037 GB, free: 46.26 MB / 0.7169 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006712/1.856, allocations: 67.95 kB / 1.037 GB, free: 46.19 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03164/1.887, allocations: 24.85 MB / 1.062 GB, free: 20.88 MB / 0.7169 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.586e-06/1.887, allocations: 11.94 kB / 1.062 GB, free: 20.87 MB / 0.7169 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 0.02274/1.91, allocations: 10.11 MB / 1.071 GB, free: 10.52 MB / 0.7169 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001662/1.912, allocations: 0.7204 MB / 1.072 GB, free: 9.781 MB / 0.7169 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004147/1.912, allocations: 56 kB / 1.072 GB, free: 9.727 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003111/1.915, allocations: 0.4992 MB / 1.073 GB, free: 9.227 MB / 0.7169 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008534/1.916, allocations: 234.3 kB / 1.073 GB, free: 9 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002029/1.916, allocations: 87.95 kB / 1.073 GB, free: 8.914 MB / 0.7169 GB Notification: Performance of sorting global known variables: time 0.001203/1.918, allocations: 0.9777 MB / 1.074 GB, free: 7.934 MB / 0.7169 GB Notification: Performance of sort global known variables: time 1.3e-07/1.918, allocations: 0 / 1.074 GB, free: 7.934 MB / 0.7169 GB Notification: Performance of remove unused functions: time 0.006086/1.924, allocations: 1.828 MB / 1.076 GB, free: 6.105 MB / 0.7169 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 0.0005222/1.924, allocations: 191 kB / 1.076 GB, free: 5.918 MB / 0.7169 GB Notification: Performance of simCode: created initialization part: time 0.02762/1.952, allocations: 12.36 MB / 1.088 GB, free: 9.445 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 1.541e-05/1.952, allocations: 0 / 1.088 GB, free: 9.445 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.01084/1.963, allocations: 4.406 MB / 1.092 GB, free: 5.008 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002659/1.966, allocations: 277.9 kB / 1.093 GB, free: 4.734 MB / 0.7325 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02535/1.991, allocations: 11.13 MB / 1.103 GB, free: 9.484 MB / 0.7481 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003524/1.995, allocations: 2.849 MB / 1.106 GB, free: 6.598 MB / 0.7481 GB Notification: Performance of simCode: alias equations: time 0.005157/2, allocations: 1.645 MB / 1.108 GB, free: 4.949 MB / 0.7481 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006732/2, allocations: 171.3 kB / 1.108 GB, free: 4.781 MB / 0.7481 GB Notification: Performance of SimCode: time 5.81e-07/2, allocations: 0 / 1.108 GB, free: 4.781 MB / 0.7481 GB Notification: Performance of Templates: time 0.1099/2.11, allocations: 75.07 MB / 1.181 GB, free: 9.918 MB / 0.8262 GB make -j1 -f Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)