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 0.001132/0.001132, allocations: 104.9 kB / 16.27 MB, free: 5.93 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001155/0.001155, allocations: 187.4 kB / 17.2 MB, free: 5.574 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.383/1.383, allocations: 222.9 MB / 240.9 MB, free: 15.25 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.8202/0.8202, allocations: 126.1 MB / 417.1 MB, free: 12.87 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001458/0.001458, allocations: 64.14 kB / 0.495 GB, free: 3.496 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3926/0.3941, allocations: 78.71 MB / 0.5719 GB, free: 31.38 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02088/0.4151, allocations: 18.25 MB / 0.5897 GB, free: 18.14 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.0131/0.4282, allocations: 6.809 MB / 0.5963 GB, free: 12.8 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002178/0.4304, allocations: 57.56 kB / 0.5964 GB, free: 12.79 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.003975/0.4344, allocations: 1.474 MB / 0.5978 GB, free: 11.64 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.004071/0.4385, allocations: 1.432 MB / 0.5992 GB, free: 10.5 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.003208/0.4417, allocations: 1.26 MB / 0.6005 GB, free: 9.281 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.004828/0.4466, allocations: 5.476 MB / 0.6058 GB, free: 3.797 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.008905/0.4555, allocations: 7.234 MB / 0.6129 GB, free: 12.51 MB / 462.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003473/0.459, allocations: 2.353 MB / 0.6152 GB, free: 10.15 MB / 462.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.004609/0.4636, allocations: 2.972 MB / 0.6181 GB, free: 7.168 MB / 462.1 MB Notification: Performance of NFPackage.collectConstants: time 0.001445/0.4651, allocations: 0.5156 MB / 0.6186 GB, free: 6.652 MB / 462.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.003156/0.4683, allocations: 1.272 MB / 0.6198 GB, free: 5.379 MB / 462.1 MB Notification: Performance of NFScalarize.scalarize: time 0.003223/0.4715, allocations: 2.242 MB / 0.622 GB, free: 3.133 MB / 462.1 MB Notification: Performance of NFVerifyModel.verify: time 0.005077/0.4766, allocations: 2.194 MB / 0.6241 GB, free: 0.9297 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01107/0.4877, allocations: 7.729 MB / 0.6317 GB, free: 9.18 MB / 478.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.992e-06/0.4877, allocations: 0 / 0.6317 GB, free: 9.18 MB / 478.1 MB Notification: Performance of FrontEnd: time 3.266e-06/0.4877, allocations: 0 / 0.6317 GB, free: 9.18 MB / 478.1 MB Notification: Performance of Transformations before backend: time 0.0003045/0.4881, allocations: 0 / 0.6317 GB, free: 9.18 MB / 478.1 MB 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 0.01241/0.5005, allocations: 3.827 MB / 0.6354 GB, free: 5.293 MB / 478.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.396e-05/0.5006, allocations: 12.03 kB / 0.6354 GB, free: 5.281 MB / 478.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01425/0.5148, allocations: 2.415 MB / 0.6378 GB, free: 2.859 MB / 478.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005409/0.5203, allocations: 2.163 MB / 0.6399 GB, free: 0.6523 MB / 478.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003039/0.5206, allocations: 275.5 kB / 0.6402 GB, free: 392 kB / 478.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001437/0.522, allocations: 343.9 kB / 0.6405 GB, free: 48 kB / 478.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01883/0.5409, allocations: 7.159 MB / 0.6475 GB, free: 8.785 MB / 494.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001158/0.541, allocations: 7.875 kB / 0.6475 GB, free: 8.777 MB / 494.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00103/0.5421, allocations: 152 kB / 0.6476 GB, free: 8.629 MB / 494.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000481/0.5426, allocations: 334.1 kB / 0.648 GB, free: 8.301 MB / 494.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01721/0.5598, allocations: 7.048 MB / 0.6548 GB, free: 1.246 MB / 494.1 MB 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 0.03774/0.5976, allocations: 26.74 MB / 0.681 GB, free: 4.309 MB / 0.5137 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009019/0.6066, allocations: 4.983 MB / 0.6858 GB, free: 15.02 MB / 0.5294 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006367/0.613, allocations: 2.593 MB / 0.6884 GB, free: 12.41 MB / 0.5294 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003076/0.6134, allocations: 135 kB / 0.6885 GB, free: 12.26 MB / 0.5294 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.928e-05/0.6134, allocations: 60.5 kB / 0.6885 GB, free: 12.19 MB / 0.5294 GB Notification: Performance of pre-optimization done (n=208): time 4.038e-06/0.6134, allocations: 0 / 0.6885 GB, free: 12.19 MB / 0.5294 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 0.1071/0.7205, allocations: 30.97 MB / 0.7188 GB, free: 13.13 MB / 0.5606 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001222/0.7207, allocations: 235.6 kB / 0.719 GB, free: 12.86 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002466/0.7231, allocations: 1.469 MB / 0.7205 GB, free: 11.38 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 0.0005175/0.7237, allocations: 69.7 kB / 0.7205 GB, free: 11.3 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.001009/0.7247, allocations: 1.505 MB / 0.722 GB, free: 9.777 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.001136/0.7258, allocations: 0.9165 MB / 0.7229 GB, free: 8.848 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001455/0.7273, allocations: 0.6279 MB / 0.7235 GB, free: 8.211 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 0.0001015/0.7274, allocations: 317 kB / 0.7238 GB, free: 7.898 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006089/0.7335, allocations: 2.682 MB / 0.7264 GB, free: 5.207 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00677/0.7403, allocations: 3.571 MB / 0.7299 GB, free: 1.258 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01295/0.7533, allocations: 6.399 MB / 0.7362 GB, free: 10.46 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.032e-05/0.7533, allocations: 4 kB / 0.7362 GB, free: 10.46 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 0.3339/1.087, allocations: 11.02 MB / 0.7469 GB, free: 149.6 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 4.984e-05/1.087, allocations: 17.94 kB / 0.7469 GB, free: 149.6 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.459e-05/1.087, allocations: 26.28 kB / 0.747 GB, free: 149.6 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02147/1.109, allocations: 5.562 MB / 0.7524 GB, free: 149.5 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004462/1.113, allocations: 0.9966 MB / 0.7534 GB, free: 149.5 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03838/1.152, allocations: 28.18 MB / 0.7809 GB, free: 133.9 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004384/1.156, allocations: 0.5672 MB / 0.7814 GB, free: 133.6 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003405/1.156, allocations: 156.4 kB / 0.7816 GB, free: 133.6 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006624/1.163, allocations: 3.981 MB / 0.7855 GB, free: 131.4 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005413/1.169, allocations: 3.537 MB / 0.7889 GB, free: 128.8 MB / 0.5762 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08143/1.25, allocations: 24.67 MB / 0.813 GB, free: 103.7 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.763e-05/1.25, allocations: 8 kB / 0.813 GB, free: 103.6 MB / 0.5762 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 0.02312/1.273, allocations: 10.52 MB / 0.8233 GB, free: 93.08 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 3.006e-05/1.273, allocations: 16 kB / 0.8233 GB, free: 93.07 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.381e-05/1.273, allocations: 28.56 kB / 0.8234 GB, free: 93.04 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01404/1.287, allocations: 4.34 MB / 0.8276 GB, free: 88.68 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00432/1.292, allocations: 1.03 MB / 0.8286 GB, free: 87.65 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02831/1.32, allocations: 27.14 MB / 0.8551 GB, free: 59.85 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004386/1.324, allocations: 0.5576 MB / 0.8556 GB, free: 59.29 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000305/1.325, allocations: 144 kB / 0.8558 GB, free: 59.15 MB / 0.5762 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 0.0008281/1.326, allocations: 412.6 kB / 0.8562 GB, free: 58.76 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000498/1.326, allocations: 205.6 kB / 0.8564 GB, free: 58.56 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 postOpt wrapFunctionCalls (simulation): time 0.02391/1.35, allocations: 10.17 MB / 0.8663 GB, free: 48.33 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.289e-05/1.35, allocations: 29.75 kB / 0.8663 GB, free: 48.3 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.463e-05/1.35, allocations: 15.94 kB / 0.8663 GB, free: 48.29 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.549e-05/1.35, allocations: 11.95 kB / 0.8664 GB, free: 48.28 MB / 0.5762 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 0.03126/1.381, allocations: 16.31 MB / 0.8823 GB, free: 31.77 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.406e-05/1.381, allocations: 8.188 kB / 0.8823 GB, free: 31.77 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003182/1.385, allocations: 0.7333 MB / 0.883 GB, free: 31.03 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01698/1.402, allocations: 5.207 MB / 0.8881 GB, free: 25.81 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005449/1.402, allocations: 71.95 kB / 0.8882 GB, free: 25.74 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03344/1.436, allocations: 27.25 MB / 0.9148 GB, free: 14 MB / 0.5919 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.096e-05/1.436, allocations: 12.03 kB / 0.9148 GB, free: 13.99 MB / 0.5919 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 0.02612/1.462, allocations: 10.1 MB / 0.9246 GB, free: 3.652 MB / 0.5919 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00229/1.464, allocations: 0.7274 MB / 0.9254 GB, free: 2.906 MB / 0.5919 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006892/1.465, allocations: 52 kB / 0.9254 GB, free: 2.855 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003493/1.468, allocations: 0.5109 MB / 0.9259 GB, free: 2.344 MB / 0.5919 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006987/1.469, allocations: 226.3 kB / 0.9261 GB, free: 2.121 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002092/1.469, allocations: 91.95 kB / 0.9262 GB, free: 2.031 MB / 0.5919 GB Notification: Performance of sorting global known variables: time 0.001425/1.471, allocations: 1.001 MB / 0.9272 GB, free: 1.027 MB / 0.5919 GB Notification: Performance of sort global known variables: time 3.01e-07/1.471, allocations: 0 / 0.9272 GB, free: 1.027 MB / 0.5919 GB Notification: Performance of remove unused functions: time 0.006303/1.477, allocations: 1.852 MB / 0.929 GB, free: 15.17 MB / 0.6075 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 0.0004568/1.478, allocations: 185.8 kB / 0.9292 GB, free: 14.99 MB / 0.6075 GB Notification: Performance of simCode: created initialization part: time 0.03277/1.51, allocations: 14.39 MB / 0.9432 GB, free: 0.5234 MB / 0.6075 GB Notification: Performance of simCode: created event and clocks part: time 1.475e-05/1.51, allocations: 4.938 kB / 0.9432 GB, free: 0.5195 MB / 0.6075 GB Notification: Performance of simCode: created simulation system equations: time 0.01086/1.521, allocations: 4.429 MB / 0.9475 GB, free: 12.07 MB / 0.6231 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002117/1.523, allocations: 290 kB / 0.9478 GB, free: 11.79 MB / 0.6231 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02411/1.547, allocations: 9.566 MB / 0.9572 GB, free: 2.117 MB / 0.6231 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003291/1.551, allocations: 2.857 MB / 0.96 GB, free: 15.22 MB / 0.6387 GB Notification: Performance of simCode: alias equations: time 0.005251/1.556, allocations: 1.657 MB / 0.9616 GB, free: 13.56 MB / 0.6387 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006533/1.557, allocations: 167.3 kB / 0.9617 GB, free: 13.4 MB / 0.6387 GB Notification: Performance of SimCode: time 8.92e-07/1.557, allocations: 0 / 0.9617 GB, free: 13.4 MB / 0.6387 GB Notification: Performance of Templates: time 0.4252/1.982, allocations: 78.08 MB / 1.038 GB, free: 193.2 MB / 0.6544 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)