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 0.001237/0.001237, allocations: 113.6 kB / 17.09 MB, free: 5.965 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001381/0.001381, allocations: 193.5 kB / 18.02 MB, free: 5.047 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.466/1.466, allocations: 222.9 MB / 241.7 MB, free: 15.15 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.8405/0.8405, allocations: 122.9 MB / 414.7 MB, free: 15.85 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001191/0.001191, allocations: 63.81 kB / 0.5692 GB, free: 28.71 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1363/0.1375, allocations: 77.94 MB / 0.6453 GB, free: 8.98 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02157/0.1591, allocations: 18.25 MB / 0.6631 GB, free: 6.668 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.01173/0.1709, allocations: 6.82 MB / 0.6698 GB, free: 15.83 MB / 0.5137 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001636/0.1725, allocations: 55.88 kB / 0.6698 GB, free: 15.77 MB / 0.5137 GB Notification: Performance of NFTyping.typeComponents: time 0.003892/0.1764, allocations: 1.473 MB / 0.6713 GB, free: 14.3 MB / 0.5137 GB Notification: Performance of NFTyping.typeBindings: time 0.003384/0.1798, allocations: 1.443 MB / 0.6727 GB, free: 12.85 MB / 0.5137 GB Notification: Performance of NFTyping.typeClassSections: time 0.00308/0.1829, allocations: 1.269 MB / 0.6739 GB, free: 11.58 MB / 0.5137 GB Notification: Performance of NFFlatten.flatten: time 0.005691/0.1886, allocations: 5.468 MB / 0.6793 GB, free: 6.098 MB / 0.5137 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008638/0.1973, allocations: 7.131 MB / 0.6862 GB, free: 14.86 MB / 0.5294 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003444/0.2008, allocations: 2.376 MB / 0.6886 GB, free: 12.47 MB / 0.5294 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004813/0.2056, allocations: 2.968 MB / 0.6915 GB, free: 9.496 MB / 0.5294 GB Notification: Performance of NFPackage.collectConstants: time 0.001352/0.207, allocations: 0.5195 MB / 0.692 GB, free: 8.977 MB / 0.5294 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003102/0.2101, allocations: 1.268 MB / 0.6932 GB, free: 7.707 MB / 0.5294 GB Notification: Performance of NFScalarize.scalarize: time 0.003851/0.214, allocations: 2.25 MB / 0.6954 GB, free: 5.453 MB / 0.5294 GB Notification: Performance of NFVerifyModel.verify: time 0.004371/0.2184, allocations: 2.183 MB / 0.6975 GB, free: 3.262 MB / 0.5294 GB Notification: Performance of NFConvertDAE.convert: time 0.009046/0.2275, allocations: 7.783 MB / 0.7051 GB, free: 11.46 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 4.047e-06/0.2275, allocations: 0 / 0.7051 GB, free: 11.46 MB / 0.545 GB Notification: Performance of FrontEnd: time 1.463e-06/0.2275, allocations: 0 / 0.7051 GB, free: 11.46 MB / 0.545 GB Notification: Performance of Transformations before backend: time 0.0001884/0.2277, allocations: 0 / 0.7051 GB, free: 11.46 MB / 0.545 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.008878/0.2366, allocations: 3.823 MB / 0.7089 GB, free: 7.574 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 4.051e-05/0.2366, allocations: 12.62 kB / 0.7089 GB, free: 7.562 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01354/0.2502, allocations: 2.419 MB / 0.7112 GB, free: 5.137 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006155/0.2564, allocations: 2.186 MB / 0.7134 GB, free: 2.906 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002916/0.2567, allocations: 271.5 kB / 0.7136 GB, free: 2.641 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001344/0.2581, allocations: 347.9 kB / 0.714 GB, free: 2.301 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01587/0.2739, allocations: 7.159 MB / 0.7209 GB, free: 11.04 MB / 0.5606 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001113/0.2741, allocations: 7.922 kB / 0.721 GB, free: 11.03 MB / 0.5606 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007628/0.2749, allocations: 152 kB / 0.7211 GB, free: 10.88 MB / 0.5606 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005302/0.2754, allocations: 330.1 kB / 0.7214 GB, free: 10.56 MB / 0.5606 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01764/0.2931, allocations: 7.051 MB / 0.7283 GB, free: 3.496 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 0.3374/0.6305, allocations: 26.54 MB / 0.7542 GB, free: 80.39 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008449/0.639, allocations: 4.991 MB / 0.7591 GB, free: 78.62 MB / 0.5762 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006097/0.6451, allocations: 2.608 MB / 0.7616 GB, free: 77.86 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002425/0.6454, allocations: 133.8 kB / 0.7618 GB, free: 77.76 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.747e-05/0.6454, allocations: 70 kB / 0.7618 GB, free: 77.7 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=208): time 4.989e-06/0.6455, allocations: 0 / 0.7618 GB, free: 77.7 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=271): time 0.09931/0.7448, allocations: 30.97 MB / 0.7921 GB, free: 62.07 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.88e-05/0.7449, allocations: 235.6 kB / 0.7923 GB, free: 61.79 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001685/0.7465, allocations: 1.473 MB / 0.7937 GB, free: 60.3 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 0.0004673/0.747, allocations: 79.56 kB / 0.7938 GB, free: 60.22 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005163/0.7475, allocations: 1.493 MB / 0.7953 GB, free: 58.72 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 0.0006729/0.7482, allocations: 0.9189 MB / 0.7962 GB, free: 57.81 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009413/0.7492, allocations: 0.6319 MB / 0.7968 GB, free: 57.17 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 3.736e-05/0.7492, allocations: 306.9 kB / 0.7971 GB, free: 56.87 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005183/0.7544, allocations: 2.69 MB / 0.7997 GB, free: 54.17 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005535/0.76, allocations: 3.567 MB / 0.8032 GB, free: 50.22 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0106/0.7706, allocations: 6.403 MB / 0.8094 GB, free: 43.42 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.965e-05/0.7706, allocations: 8 kB / 0.8095 GB, free: 43.41 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 0.02454/0.7952, allocations: 11.03 MB / 0.8202 GB, free: 32.28 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 3.729e-05/0.7952, allocations: 19.98 kB / 0.8202 GB, free: 32.26 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.404e-05/0.7953, allocations: 24 kB / 0.8203 GB, free: 32.24 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01768/0.813, allocations: 5.54 MB / 0.8257 GB, free: 26.68 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00386/0.8169, allocations: 0.9913 MB / 0.8266 GB, free: 25.69 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03517/0.852, allocations: 28.19 MB / 0.8542 GB, free: 13.09 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00443/0.8565, allocations: 0.5731 MB / 0.8547 GB, free: 12.51 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003617/0.8569, allocations: 152 kB / 0.8549 GB, free: 12.36 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007686/0.8646, allocations: 3.98 MB / 0.8588 GB, free: 8.375 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006417/0.871, allocations: 3.528 MB / 0.8622 GB, free: 4.469 MB / 0.5919 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08901/0.96, allocations: 24.63 MB / 0.8863 GB, free: 11.34 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.244e-05/0.9601, allocations: 8 kB / 0.8863 GB, free: 11.33 MB / 0.6231 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 0.02749/0.9876, allocations: 10.53 MB / 0.8966 GB, free: 0.6523 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 4.219e-05/0.9877, allocations: 20.09 kB / 0.8966 GB, free: 0.6328 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.662e-05/0.9877, allocations: 26.95 kB / 0.8966 GB, free: 0.6094 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01593/1.004, allocations: 4.321 MB / 0.9008 GB, free: 12.27 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004793/1.008, allocations: 1.037 MB / 0.9018 GB, free: 11.23 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03912/1.048, allocations: 27.12 MB / 0.9283 GB, free: 15.41 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005472/1.053, allocations: 0.5614 MB / 0.9289 GB, free: 14.84 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007089/1.054, allocations: 151.9 kB / 0.929 GB, free: 14.7 MB / 0.67 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 0.001601/1.056, allocations: 394.6 kB / 0.9294 GB, free: 14.3 MB / 0.67 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009893/1.057, allocations: 205.6 kB / 0.9296 GB, free: 14.1 MB / 0.67 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 0.02839/1.085, allocations: 10.16 MB / 0.9395 GB, free: 3.855 MB / 0.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.796e-05/1.085, allocations: 23.94 kB / 0.9395 GB, free: 3.832 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.888e-06/1.085, allocations: 4 kB / 0.9395 GB, free: 3.828 MB / 0.67 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002152/1.087, allocations: 0.7249 MB / 0.9402 GB, free: 3.082 MB / 0.67 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007513/1.088, allocations: 48 kB / 0.9403 GB, free: 3.035 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004127/1.092, allocations: 0.5031 MB / 0.9408 GB, free: 2.531 MB / 0.67 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000822/1.093, allocations: 285.4 kB / 0.9411 GB, free: 2.25 MB / 0.67 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.02673/1.12, allocations: 9.421 MB / 0.9503 GB, free: 8.879 MB / 0.6856 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.02024/1.14, allocations: 8.886 MB / 0.9589 GB, free: 15.91 MB / 0.7012 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.005898/1.146, allocations: 2.665 MB / 0.9615 GB, free: 13.25 MB / 0.7012 GB Notification: Performance of sorting global known variables: time 0.001811/1.148, allocations: 1.005 MB / 0.9625 GB, free: 12.24 MB / 0.7012 GB Notification: Performance of Backend: time 4.71e-07/1.148, allocations: 2.406 kB / 0.9625 GB, free: 12.24 MB / 0.7012 GB Notification: Performance of simCode: created initialization part: time 0.0278/1.176, allocations: 10.55 MB / 0.9728 GB, free: 1.637 MB / 0.7012 GB Notification: Performance of SimCode: time 0.01446/1.19, allocations: 7.287 MB / 0.9799 GB, free: 10.31 MB / 0.7169 GB Notification: Performance of Templates: time 0.4413/1.631, allocations: 95.64 MB / 1.073 GB, free: 251.9 MB / 0.7637 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)