Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.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 0.001239/0.00124, allocations: 117.1 kB / 17.09 MB, free: 6.012 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001421/0.001421, allocations: 192.7 kB / 18.02 MB, free: 5.094 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.253/1.253, allocations: 222.9 MB / 241.7 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.6713/0.6713, allocations: 115.3 MB / 407.2 MB, free: 6.125 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001224/0.001224, allocations: 60.59 kB / 0.5584 GB, free: 32.15 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.128/0.1292, allocations: 76.19 MB / 0.6328 GB, free: 4.324 MB / 478.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02163/0.1508, allocations: 18.25 MB / 0.6507 GB, free: 2.008 MB / 494.1 MB Notification: Performance of NFInst.instExpressions: time 0.01173/0.1626, allocations: 6.809 MB / 0.6573 GB, free: 11.18 MB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001766/0.1644, allocations: 63.81 kB / 0.6574 GB, free: 11.12 MB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.003916/0.1683, allocations: 1.47 MB / 0.6588 GB, free: 9.645 MB / 0.4981 GB Notification: Performance of NFTyping.typeBindings: time 0.003739/0.1721, allocations: 1.451 MB / 0.6602 GB, free: 8.188 MB / 0.4981 GB Notification: Performance of NFTyping.typeClassSections: time 0.003233/0.1753, allocations: 1.263 MB / 0.6614 GB, free: 6.922 MB / 0.4981 GB Notification: Performance of NFFlatten.flatten: time 0.005793/0.1811, allocations: 5.468 MB / 0.6668 GB, free: 1.441 MB / 0.4981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009246/0.1904, allocations: 7.134 MB / 0.6738 GB, free: 10.2 MB / 0.5137 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003656/0.1941, allocations: 2.369 MB / 0.6761 GB, free: 7.824 MB / 0.5137 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004651/0.1988, allocations: 2.98 MB / 0.679 GB, free: 4.836 MB / 0.5137 GB Notification: Performance of NFPackage.collectConstants: time 0.001434/0.2002, allocations: 0.5117 MB / 0.6795 GB, free: 4.324 MB / 0.5137 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002959/0.2032, allocations: 1.276 MB / 0.6807 GB, free: 3.047 MB / 0.5137 GB Notification: Performance of NFScalarize.scalarize: time 0.002957/0.2062, allocations: 2.238 MB / 0.6829 GB, free: 0.8047 MB / 0.5137 GB Notification: Performance of NFVerifyModel.verify: time 0.003902/0.2101, allocations: 2.183 MB / 0.685 GB, free: 14.61 MB / 0.5294 GB Notification: Performance of NFConvertDAE.convert: time 0.00874/0.2189, allocations: 7.787 MB / 0.6926 GB, free: 6.805 MB / 0.5294 GB Notification: Performance of FrontEnd - DAE generated: time 5.12e-06/0.2189, allocations: 0 / 0.6926 GB, free: 6.805 MB / 0.5294 GB Notification: Performance of FrontEnd: time 1.413e-06/0.2189, allocations: 0 / 0.6926 GB, free: 6.805 MB / 0.5294 GB Notification: Performance of Transformations before backend: time 0.0002512/0.2191, allocations: 0 / 0.6926 GB, free: 6.805 MB / 0.5294 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 0.0107/0.2299, allocations: 3.834 MB / 0.6964 GB, free: 2.91 MB / 0.5294 GB Notification: Performance of prepare preOptimizeDAE: time 3.986e-05/0.2299, allocations: 8.031 kB / 0.6964 GB, free: 2.902 MB / 0.5294 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01314/0.2431, allocations: 2.419 MB / 0.6988 GB, free: 488 kB / 0.5294 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004568/0.2477, allocations: 2.19 MB / 0.7009 GB, free: 14.23 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001839/0.2479, allocations: 267.4 kB / 0.7012 GB, free: 13.98 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000781/0.2487, allocations: 355.9 kB / 0.7015 GB, free: 13.63 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01403/0.2627, allocations: 7.155 MB / 0.7085 GB, free: 6.371 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.092e-05/0.2628, allocations: 4 kB / 0.7085 GB, free: 6.367 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004136/0.2632, allocations: 152 kB / 0.7086 GB, free: 6.219 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004531/0.2637, allocations: 334.1 kB / 0.7089 GB, free: 5.891 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01501/0.2787, allocations: 7.048 MB / 0.7158 GB, free: 14.83 MB / 0.5606 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 0.03439/0.3131, allocations: 26.56 MB / 0.7418 GB, free: 2.086 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008298/0.3215, allocations: 4.988 MB / 0.7466 GB, free: 12.8 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006153/0.3276, allocations: 2.608 MB / 0.7492 GB, free: 10.16 MB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003995/0.3281, allocations: 139 kB / 0.7493 GB, free: 10 MB / 0.5919 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.804e-05/0.3282, allocations: 64.48 kB / 0.7494 GB, free: 9.934 MB / 0.5919 GB Notification: Performance of pre-optimization done (n=208): time 6.142e-06/0.3282, allocations: 0 / 0.7494 GB, free: 9.934 MB / 0.5919 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 0.4151/0.7433, allocations: 30.96 MB / 0.7796 GB, free: 110.3 MB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.857e-05/0.7434, allocations: 235.4 kB / 0.7798 GB, free: 110.1 MB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001795/0.7452, allocations: 1.474 MB / 0.7813 GB, free: 109.3 MB / 0.5919 GB Notification: Performance of collectPreVariables (initialization): time 0.000417/0.7456, allocations: 65.64 kB / 0.7813 GB, free: 109.2 MB / 0.5919 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005449/0.7462, allocations: 1.496 MB / 0.7828 GB, free: 107.9 MB / 0.5919 GB Notification: Performance of collectInitialBindings (initialization): time 0.000654/0.7468, allocations: 0.9206 MB / 0.7837 GB, free: 107.1 MB / 0.5919 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008973/0.7477, allocations: 0.6299 MB / 0.7843 GB, free: 106.8 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 3.726e-05/0.7478, allocations: 309.9 kB / 0.7846 GB, free: 106.5 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005332/0.7531, allocations: 2.691 MB / 0.7872 GB, free: 105.1 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005206/0.7583, allocations: 3.573 MB / 0.7907 GB, free: 102.5 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.009948/0.7683, allocations: 6.394 MB / 0.797 GB, free: 96.38 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.08e-05/0.7683, allocations: 12 kB / 0.797 GB, free: 96.37 MB / 0.5919 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 0.02393/0.7923, allocations: 11.03 MB / 0.8078 GB, free: 85.24 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 3.189e-05/0.7923, allocations: 17.66 kB / 0.8078 GB, free: 85.23 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.871e-05/0.7924, allocations: 32 kB / 0.8078 GB, free: 85.2 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01709/0.8095, allocations: 5.536 MB / 0.8132 GB, free: 79.64 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003926/0.8134, allocations: 0.9979 MB / 0.8142 GB, free: 78.64 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03282/0.8463, allocations: 28.18 MB / 0.8417 GB, free: 50.07 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004343/0.8506, allocations: 0.5731 MB / 0.8423 GB, free: 49.49 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003044/0.851, allocations: 151.9 kB / 0.8424 GB, free: 49.34 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006546/0.8575, allocations: 3.984 MB / 0.8463 GB, free: 45.35 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00507/0.8626, allocations: 3.528 MB / 0.8497 GB, free: 41.45 MB / 0.5919 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07805/0.9407, allocations: 24.62 MB / 0.8738 GB, free: 16.35 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.017e-05/0.9407, allocations: 8 kB / 0.8738 GB, free: 16.34 MB / 0.5919 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 0.02219/0.9629, allocations: 10.54 MB / 0.8841 GB, free: 5.664 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 3.058e-05/0.9629, allocations: 27.88 kB / 0.8841 GB, free: 5.637 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.075e-05/0.963, allocations: 24 kB / 0.8841 GB, free: 5.613 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0136/0.9766, allocations: 4.32 MB / 0.8884 GB, free: 1.277 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004297/0.9809, allocations: 1.041 MB / 0.8894 GB, free: 240 kB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03331/1.014, allocations: 27.12 MB / 0.9159 GB, free: 4.418 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004495/1.019, allocations: 0.5537 MB / 0.9164 GB, free: 3.863 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003741/1.019, allocations: 152 kB / 0.9165 GB, free: 3.715 MB / 0.6231 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.i3[2] - line2.i1[2] 0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[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 0.0009746/1.02, allocations: 400.3 kB / 0.9169 GB, free: 3.316 MB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005914/1.021, allocations: 201.6 kB / 0.9171 GB, free: 3.117 MB / 0.6231 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 0.02561/1.046, allocations: 10.17 MB / 0.927 GB, free: 8.871 MB / 0.6387 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.31e-05/1.046, allocations: 28 kB / 0.9271 GB, free: 8.844 MB / 0.6387 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.764e-05/1.046, allocations: 12 kB / 0.9271 GB, free: 8.832 MB / 0.6387 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.547e-05/1.046, allocations: 15.95 kB / 0.9271 GB, free: 8.816 MB / 0.6387 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 0.03355/1.08, allocations: 16.27 MB / 0.943 GB, free: 8.367 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.193e-05/1.08, allocations: 12.06 kB / 0.943 GB, free: 8.355 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003349/1.083, allocations: 0.7293 MB / 0.9437 GB, free: 7.625 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01753/1.101, allocations: 5.177 MB / 0.9488 GB, free: 2.434 MB / 0.6544 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005056/1.102, allocations: 75.94 kB / 0.9488 GB, free: 2.359 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03981/1.141, allocations: 27.25 MB / 0.9754 GB, free: 6.633 MB / 0.6856 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.101e-05/1.141, allocations: 20.03 kB / 0.9755 GB, free: 6.613 MB / 0.6856 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 0.02435/1.166, allocations: 10.1 MB / 0.9853 GB, free: 12.26 MB / 0.7012 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001523/1.167, allocations: 0.7249 MB / 0.986 GB, free: 11.52 MB / 0.7012 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004005/1.168, allocations: 56 kB / 0.9861 GB, free: 11.46 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003321/1.171, allocations: 0.5031 MB / 0.9866 GB, free: 10.96 MB / 0.7012 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007719/1.172, allocations: 226.3 kB / 0.9868 GB, free: 10.74 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002104/1.172, allocations: 99.95 kB / 0.9869 GB, free: 10.64 MB / 0.7012 GB Notification: Performance of sorting global known variables: time 0.001418/1.173, allocations: 1.001 MB / 0.9879 GB, free: 9.637 MB / 0.7012 GB Notification: Performance of sort global known variables: time 1.81e-07/1.173, allocations: 1.75 kB / 0.9879 GB, free: 9.637 MB / 0.7012 GB Notification: Performance of remove unused functions: time 0.005731/1.179, allocations: 1.852 MB / 0.9897 GB, free: 7.785 MB / 0.7012 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 0.0004037/1.18, allocations: 186.9 kB / 0.9899 GB, free: 7.59 MB / 0.7012 GB Notification: Performance of simCode: created initialization part: time 0.02791/1.208, allocations: 12.44 MB / 1.002 GB, free: 11.04 MB / 0.7169 GB Notification: Performance of simCode: created event and clocks part: time 1.143e-05/1.208, allocations: 5.875 kB / 1.002 GB, free: 11.04 MB / 0.7169 GB Notification: Performance of simCode: created simulation system equations: time 0.01073/1.218, allocations: 4.428 MB / 1.006 GB, free: 6.574 MB / 0.7169 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002358/1.221, allocations: 286 kB / 1.007 GB, free: 6.297 MB / 0.7169 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02365/1.244, allocations: 10.06 MB / 1.016 GB, free: 12.12 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003026/1.247, allocations: 2.92 MB / 1.019 GB, free: 9.16 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00116/1.249, allocations: 211.3 kB / 1.019 GB, free: 8.953 MB / 0.7325 GB Notification: Performance of SimCode: time 1.112e-06/1.249, allocations: 0 / 1.019 GB, free: 8.953 MB / 0.7325 GB Notification: Performance of Templates: time 0.4226/1.671, allocations: 108 MB / 1.125 GB, free: 194.8 MB / 0.7481 GB make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)