Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.005118/0.005118, allocations: 102 kB / 15.73 MB, free: 6.055 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001329/0.001329, allocations: 191.5 kB / 16.67 MB, free: 5.965 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.272/1.272, allocations: 222.9 MB / 240.4 MB, free: 15.13 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002066/0.002066, allocations: 291 kB / 290.8 MB, free: 14.43 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.9066/0.9066, allocations: 169.3 MB / 0.4983 GB, free: 4.402 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001819/0.001819, allocations: 95.83 kB / 0.6815 GB, free: 6.828 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4047/0.4065, allocations: 86.98 MB / 0.7665 GB, free: 3.828 MB / 0.5294 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02035/0.4269, allocations: 18.26 MB / 0.7843 GB, free: 1.504 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.01034/0.4372, allocations: 6.808 MB / 0.791 GB, free: 10.68 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009856/0.4382, allocations: 55.88 kB / 0.791 GB, free: 10.62 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.003391/0.4416, allocations: 1.476 MB / 0.7925 GB, free: 9.145 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.002837/0.4445, allocations: 1.424 MB / 0.7939 GB, free: 7.715 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.002781/0.4473, allocations: 1.294 MB / 0.7951 GB, free: 6.418 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.005046/0.4523, allocations: 5.461 MB / 0.8005 GB, free: 0.9453 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.007064/0.4594, allocations: 7.11 MB / 0.8074 GB, free: 9.727 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003018/0.4625, allocations: 2.376 MB / 0.8097 GB, free: 7.344 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00356/0.466, allocations: 2.968 MB / 0.8126 GB, free: 4.367 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.0006543/0.4667, allocations: 0.5156 MB / 0.8131 GB, free: 3.852 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002131/0.4688, allocations: 1.28 MB / 0.8144 GB, free: 2.57 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.001902/0.4708, allocations: 2.242 MB / 0.8166 GB, free: 332 kB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.002311/0.4731, allocations: 2.191 MB / 0.8187 GB, free: 14.12 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.006581/0.4797, allocations: 7.782 MB / 0.8263 GB, free: 6.324 MB / 0.5919 GB Notification: Performance of FrontEnd - DAE generated: time 4.659e-06/0.4797, allocations: 0 / 0.8263 GB, free: 6.324 MB / 0.5919 GB Notification: Performance of FrontEnd: time 2.004e-06/0.4797, allocations: 3.938 kB / 0.8263 GB, free: 6.32 MB / 0.5919 GB Notification: Performance of Transformations before backend: time 9.782e-05/0.4798, allocations: 0 / 0.8263 GB, free: 6.32 MB / 0.5919 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 0.007158/0.487, allocations: 3.823 MB / 0.83 GB, free: 2.438 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 3.879e-05/0.487, allocations: 8.031 kB / 0.83 GB, free: 2.43 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01263/0.4997, allocations: 2.345 MB / 0.8323 GB, free: 80 kB / 0.5919 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004301/0.504, allocations: 2.198 MB / 0.8345 GB, free: 13.83 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001812/0.5042, allocations: 267.5 kB / 0.8347 GB, free: 13.57 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001032/0.5052, allocations: 355.9 kB / 0.8351 GB, free: 13.22 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01383/0.5191, allocations: 7.126 MB / 0.842 GB, free: 5.996 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.345e-05/0.5191, allocations: 7.938 kB / 0.842 GB, free: 5.988 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004094/0.5196, allocations: 144 kB / 0.8422 GB, free: 5.848 MB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004331/0.52, allocations: 338.1 kB / 0.8425 GB, free: 5.516 MB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01431/0.5343, allocations: 6.993 MB / 0.8493 GB, free: 14.51 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 0.02737/0.5617, allocations: 26.49 MB / 0.8752 GB, free: 1.832 MB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008077/0.5698, allocations: 4.996 MB / 0.8801 GB, free: 12.54 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005865/0.5757, allocations: 2.612 MB / 0.8826 GB, free: 9.91 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002356/0.576, allocations: 127 kB / 0.8827 GB, free: 9.766 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.768e-05/0.576, allocations: 64.5 kB / 0.8828 GB, free: 9.695 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=208): time 4.819e-06/0.576, allocations: 0 / 0.8828 GB, free: 9.695 MB / 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 0.1036/0.6796, allocations: 30.97 MB / 0.9131 GB, free: 10.64 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001152/0.6798, allocations: 243.6 kB / 0.9133 GB, free: 10.35 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001922/0.6817, allocations: 1.446 MB / 0.9147 GB, free: 8.895 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 0.0004632/0.6822, allocations: 69.7 kB / 0.9148 GB, free: 8.82 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009083/0.6831, allocations: 1.501 MB / 0.9162 GB, free: 7.297 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.0008764/0.684, allocations: 0.9204 MB / 0.9171 GB, free: 6.363 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001051/0.685, allocations: 0.6279 MB / 0.9177 GB, free: 5.727 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 0.0001028/0.6851, allocations: 309.1 kB / 0.918 GB, free: 5.422 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005786/0.6909, allocations: 2.67 MB / 0.9206 GB, free: 2.742 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006288/0.6972, allocations: 3.548 MB / 0.9241 GB, free: 14.82 MB / 0.7012 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01214/0.7094, allocations: 6.383 MB / 0.9303 GB, free: 8.031 MB / 0.7012 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.733e-05/0.7094, allocations: 8 kB / 0.9304 GB, free: 8.023 MB / 0.7012 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 0.02798/0.7374, allocations: 10.98 MB / 0.9411 GB, free: 12.93 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 3.752e-05/0.7374, allocations: 23.92 kB / 0.9411 GB, free: 12.9 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.309e-05/0.7375, allocations: 28 kB / 0.9411 GB, free: 12.88 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01977/0.7573, allocations: 5.455 MB / 0.9465 GB, free: 7.41 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004336/0.7616, allocations: 0.9827 MB / 0.9474 GB, free: 6.426 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.3788/1.14, allocations: 28.14 MB / 0.9749 GB, free: 177.1 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004233/1.145, allocations: 0.5574 MB / 0.9754 GB, free: 177.1 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002957/1.145, allocations: 150.5 kB / 0.9756 GB, free: 177.1 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007489/1.153, allocations: 3.964 MB / 0.9795 GB, free: 176.5 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005361/1.158, allocations: 3.52 MB / 0.9829 GB, free: 174.6 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07948/1.237, allocations: 24.56 MB / 1.007 GB, free: 163.7 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.351e-05/1.237, allocations: 4 kB / 1.007 GB, free: 163.7 MB / 0.7325 GB Warning: The linear system: 1 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v1_n[2] ; line2.v1_p[2] ; line2.v3_p[2] ; line2.v3_n[2] ] = [ -transformer.conv3.V2[2] ; line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ; -loadRL.load3.v[2] ; line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1] ] might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02202/1.259, allocations: 10.49 MB / 1.017 GB, free: 153.2 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 3.141e-05/1.259, allocations: 18.5 kB / 1.017 GB, free: 153.2 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.845e-05/1.26, allocations: 32.86 kB / 1.017 GB, free: 153.1 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01319/1.273, allocations: 4.246 MB / 1.021 GB, free: 148.9 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004107/1.277, allocations: 1.026 MB / 1.022 GB, free: 147.9 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02769/1.305, allocations: 27.12 MB / 1.049 GB, free: 120.3 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004091/1.309, allocations: 0.5356 MB / 1.049 GB, free: 119.7 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003359/1.309, allocations: 147.9 kB / 1.049 GB, free: 119.6 MB / 0.7325 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i2[2]) - line2.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 0.0008642/1.31, allocations: 403.5 kB / 1.05 GB, free: 119.2 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004884/1.31, allocations: 203.4 kB / 1.05 GB, free: 119.1 MB / 0.7325 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02344/1.334, allocations: 10.17 MB / 1.06 GB, free: 108.8 MB / 0.7325 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.994e-05/1.334, allocations: 28 kB / 1.06 GB, free: 108.8 MB / 0.7325 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.719e-05/1.334, allocations: 18.84 kB / 1.06 GB, free: 108.8 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.023e-05/1.334, allocations: 15.94 kB / 1.06 GB, free: 108.8 MB / 0.7325 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 0.03011/1.364, allocations: 16.27 MB / 1.076 GB, free: 92.35 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.289e-05/1.364, allocations: 4 kB / 1.076 GB, free: 92.34 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003174/1.367, allocations: 0.7373 MB / 1.077 GB, free: 91.61 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01642/1.384, allocations: 5.091 MB / 1.082 GB, free: 86.5 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004354/1.384, allocations: 75.95 kB / 1.082 GB, free: 86.42 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03212/1.416, allocations: 27.24 MB / 1.108 GB, free: 58.71 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.011e-06/1.416, allocations: 8 kB / 1.108 GB, free: 58.7 MB / 0.7325 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 0.0226/1.439, allocations: 10.1 MB / 1.118 GB, free: 48.35 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001476/1.44, allocations: 0.724 MB / 1.119 GB, free: 47.61 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003842/1.441, allocations: 56 kB / 1.119 GB, free: 47.55 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003297/1.444, allocations: 0.4992 MB / 1.119 GB, free: 47.05 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007207/1.445, allocations: 234.3 kB / 1.12 GB, free: 46.83 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002032/1.445, allocations: 87.95 kB / 1.12 GB, free: 46.74 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.001174/1.446, allocations: 0.9816 MB / 1.121 GB, free: 45.76 MB / 0.7325 GB Notification: Performance of sort global known variables: time 1.7e-07/1.446, allocations: 0 / 1.121 GB, free: 45.76 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.005036/1.451, allocations: 1.84 MB / 1.122 GB, free: 43.92 MB / 0.7325 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 0.000355/1.452, allocations: 183.9 kB / 1.123 GB, free: 43.73 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.02517/1.477, allocations: 12.4 MB / 1.135 GB, free: 31.23 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 1.016e-05/1.477, allocations: 0 / 1.135 GB, free: 31.23 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.009294/1.486, allocations: 4.427 MB / 1.139 GB, free: 26.77 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002057/1.488, allocations: 289.9 kB / 1.139 GB, free: 26.5 MB / 0.7325 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02077/1.509, allocations: 9.495 MB / 1.149 GB, free: 16.9 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002252/1.511, allocations: 2.846 MB / 1.151 GB, free: 14.02 MB / 0.7325 GB Notification: Performance of simCode: alias equations: time 0.003878/1.515, allocations: 1.649 MB / 1.153 GB, free: 12.36 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005942/1.516, allocations: 171.3 kB / 1.153 GB, free: 12.2 MB / 0.7325 GB Notification: Performance of SimCode: time 6.22e-07/1.516, allocations: 0 / 1.153 GB, free: 12.2 MB / 0.7325 GB Notification: Performance of Templates: time 0.1047/1.621, allocations: 78.89 MB / 1.23 GB, free: 13.5 MB / 0.8106 GB make -j1 -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)