Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo", uses=false) Using package Buildings with version 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001116/0.001116, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001189/0.001189, allocations: 194.3 kB / 16.53 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.477/1.477, allocations: 205.1 MB / 222.4 MB, free: 4.59 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.573/1.573, allocations: 251.7 MB / 0.5092 GB, free: 3.145 MB / 414.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001449/0.001449, allocations: 68.42 kB / 0.6223 GB, free: 1.484 MB / 0.5137 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5153/0.5168, allocations: 104.7 MB / 0.7246 GB, free: 12.95 MB / 0.545 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02568/0.5425, allocations: 18.23 MB / 0.7424 GB, free: 10.64 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.01518/0.5577, allocations: 6.856 MB / 0.7491 GB, free: 3.762 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002198/0.56, allocations: 59.88 kB / 0.7491 GB, free: 3.703 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.004816/0.5649, allocations: 1.46 MB / 0.7505 GB, free: 2.238 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.004926/0.5698, allocations: 1.408 MB / 0.7519 GB, free: 0.8242 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.004536/0.5744, allocations: 1.289 MB / 0.7532 GB, free: 15.54 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.007417/0.5818, allocations: 5.453 MB / 0.7585 GB, free: 10.07 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009335/0.5912, allocations: 7.243 MB / 0.7656 GB, free: 2.715 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00417/0.5954, allocations: 2.357 MB / 0.7679 GB, free: 360 kB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004646/0.6001, allocations: 2.957 MB / 0.7708 GB, free: 13.39 MB / 0.5919 GB Notification: Performance of NFPackage.collectConstants: time 0.00102/0.6011, allocations: 0.5156 MB / 0.7713 GB, free: 12.87 MB / 0.5919 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002807/0.6039, allocations: 1.272 MB / 0.7725 GB, free: 11.6 MB / 0.5919 GB Notification: Performance of NFScalarize.scalarize: time 0.002407/0.6063, allocations: 2.246 MB / 0.7747 GB, free: 9.348 MB / 0.5919 GB Notification: Performance of NFVerifyModel.verify: time 0.002905/0.6092, allocations: 2.19 MB / 0.7768 GB, free: 7.148 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.007614/0.6169, allocations: 7.721 MB / 0.7844 GB, free: 15.41 MB / 0.6075 GB Notification: Performance of FrontEnd - DAE generated: time 4.549e-06/0.6169, allocations: 0 / 0.7844 GB, free: 15.41 MB / 0.6075 GB Notification: Performance of FrontEnd: time 3.436e-06/0.6169, allocations: 3.984 kB / 0.7844 GB, free: 15.4 MB / 0.6075 GB Notification: Performance of Transformations before backend: time 0.0001475/0.6171, allocations: 4 kB / 0.7844 GB, free: 15.4 MB / 0.6075 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.008625/0.6257, allocations: 3.827 MB / 0.7881 GB, free: 11.51 MB / 0.6075 GB Notification: Performance of prepare preOptimizeDAE: time 3.963e-05/0.6258, allocations: 11.97 kB / 0.7881 GB, free: 11.5 MB / 0.6075 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01247/0.6382, allocations: 2.349 MB / 0.7904 GB, free: 9.145 MB / 0.6075 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005877/0.6441, allocations: 2.155 MB / 0.7925 GB, free: 6.945 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002943/0.6445, allocations: 271.5 kB / 0.7928 GB, free: 6.68 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001525/0.646, allocations: 355.8 kB / 0.7931 GB, free: 6.332 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01834/0.6644, allocations: 7.116 MB / 0.8001 GB, free: 15.12 MB / 0.6231 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001687/0.6646, allocations: 11.92 kB / 0.8001 GB, free: 15.11 MB / 0.6231 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001268/0.6659, allocations: 152 kB / 0.8002 GB, free: 14.96 MB / 0.6231 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005986/0.6665, allocations: 326.1 kB / 0.8005 GB, free: 14.64 MB / 0.6231 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01909/0.6856, allocations: 7.005 MB / 0.8074 GB, free: 7.621 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 0.03818/0.7238, allocations: 26.67 MB / 0.8334 GB, free: 10.76 MB / 0.6544 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009314/0.7332, allocations: 4.983 MB / 0.8383 GB, free: 5.473 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006156/0.7394, allocations: 2.608 MB / 0.8408 GB, free: 2.848 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003611/0.7397, allocations: 127 kB / 0.841 GB, free: 2.707 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.875e-05/0.7398, allocations: 60.5 kB / 0.841 GB, free: 2.637 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=208): time 4.728e-06/0.7398, allocations: 0 / 0.841 GB, free: 2.637 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 0.1069/0.8468, allocations: 30.94 MB / 0.8712 GB, free: 3.602 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000115/0.8469, allocations: 239.6 kB / 0.8715 GB, free: 3.32 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002095/0.849, allocations: 1.453 MB / 0.8729 GB, free: 1.859 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 0.0003479/0.8494, allocations: 69.7 kB / 0.873 GB, free: 1.785 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009031/0.8503, allocations: 1.497 MB / 0.8744 GB, free: 272 kB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.001157/0.8514, allocations: 0.9165 MB / 0.8753 GB, free: 15.34 MB / 0.7012 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001286/0.8527, allocations: 0.6318 MB / 0.8759 GB, free: 14.7 MB / 0.7012 GB Notification: Performance of setup shared object (initialization): time 0.0001752/0.8529, allocations: 309.1 kB / 0.8762 GB, free: 14.39 MB / 0.7012 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005647/0.8586, allocations: 2.666 MB / 0.8788 GB, free: 11.71 MB / 0.7012 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006364/0.865, allocations: 3.548 MB / 0.8823 GB, free: 7.789 MB / 0.7012 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01219/0.8772, allocations: 6.383 MB / 0.8885 GB, free: 1.008 MB / 0.7012 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.499e-05/0.8772, allocations: 12 kB / 0.8885 GB, free: 0.9961 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 0.02834/0.9056, allocations: 10.98 MB / 0.8993 GB, free: 5.906 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 5.602e-05/0.9057, allocations: 16 kB / 0.8993 GB, free: 5.891 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.1e-05/0.9057, allocations: 31.94 kB / 0.8993 GB, free: 5.859 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01946/0.9252, allocations: 5.482 MB / 0.9047 GB, free: 368 kB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.4717/1.397, allocations: 0.9782 MB / 0.9056 GB, free: 163.3 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0448/1.442, allocations: 28.16 MB / 0.9331 GB, free: 149.6 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004767/1.447, allocations: 0.5472 MB / 0.9337 GB, free: 149.5 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005343/1.447, allocations: 148.9 kB / 0.9338 GB, free: 149.5 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007215/1.454, allocations: 3.973 MB / 0.9377 GB, free: 148.2 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006101/1.461, allocations: 3.514 MB / 0.9411 GB, free: 146.1 MB / 0.7169 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08113/1.542, allocations: 24.59 MB / 0.9651 GB, free: 121.4 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.562e-05/1.542, allocations: 11.66 kB / 0.9651 GB, free: 121.4 MB / 0.7169 GB Warning: The linear system: 1 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v1_n[2] ; line2.v1_p[2] ; line2.v3_p[2] ; line2.v3_n[2] ] = [ -transformer.conv3.V2[2] ; line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ; -loadRL.load3.v[2] ; line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1] ] might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02372/1.566, allocations: 10.49 MB / 0.9754 GB, free: 110.8 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 3.448e-05/1.566, allocations: 16 kB / 0.9754 GB, free: 110.8 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.922e-05/1.566, allocations: 28.19 kB / 0.9754 GB, free: 110.8 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01365/1.579, allocations: 4.256 MB / 0.9796 GB, free: 106.5 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004251/1.584, allocations: 1.037 MB / 0.9806 GB, free: 105.5 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.029/1.613, allocations: 27.14 MB / 1.007 GB, free: 77.69 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004753/1.617, allocations: 0.5341 MB / 1.008 GB, free: 77.15 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007334/1.618, allocations: 155.9 kB / 1.008 GB, free: 77 MB / 0.7169 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i2[2]) - line2.i1[2] - line2.i3[2] 0.0 = (-line2.i2[1]) - line2.i1[1] - line2.i3[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.001256/1.619, allocations: 393.9 kB / 1.008 GB, free: 76.62 MB / 0.7169 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007376/1.62, allocations: 197.7 kB / 1.008 GB, free: 76.43 MB / 0.7169 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02426/1.644, allocations: 10.17 MB / 1.018 GB, free: 66.19 MB / 0.7169 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.465e-05/1.645, allocations: 28 kB / 1.018 GB, free: 66.16 MB / 0.7169 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.714e-05/1.645, allocations: 12 kB / 1.018 GB, free: 66.15 MB / 0.7169 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.17e-05/1.645, allocations: 15.94 kB / 1.018 GB, free: 66.13 MB / 0.7169 GB Warning: The linear system: 1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 2 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 3 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 4 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ] = [ -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03239/1.677, allocations: 16.31 MB / 1.034 GB, free: 49.64 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.1e-05/1.677, allocations: 12.22 kB / 1.034 GB, free: 49.63 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003298/1.68, allocations: 0.7371 MB / 1.035 GB, free: 48.89 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01655/1.697, allocations: 5.118 MB / 1.04 GB, free: 43.76 MB / 0.7169 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006599/1.698, allocations: 71.95 kB / 1.04 GB, free: 43.69 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0328/1.731, allocations: 27.23 MB / 1.067 GB, free: 15.98 MB / 0.7169 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.685e-06/1.731, allocations: 12 kB / 1.067 GB, free: 15.96 MB / 0.7169 GB Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0229/1.754, allocations: 10.09 MB / 1.076 GB, free: 5.621 MB / 0.7169 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00199/1.756, allocations: 0.7231 MB / 1.077 GB, free: 4.879 MB / 0.7169 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008263/1.756, allocations: 55.36 kB / 1.077 GB, free: 4.828 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00383/1.76, allocations: 0.5031 MB / 1.078 GB, free: 4.324 MB / 0.7169 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001065/1.761, allocations: 226.3 kB / 1.078 GB, free: 4.105 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002525/1.762, allocations: 95.8 kB / 1.078 GB, free: 4.016 MB / 0.7169 GB Notification: Performance of sorting global known variables: time 0.001397/1.763, allocations: 0.9815 MB / 1.079 GB, free: 3.031 MB / 0.7169 GB Notification: Performance of sort global known variables: time 1.4e-07/1.763, allocations: 0 / 1.079 GB, free: 3.031 MB / 0.7169 GB Notification: Performance of remove unused functions: time 0.007048/1.77, allocations: 1.832 MB / 1.081 GB, free: 1.199 MB / 0.7169 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (165): * Single equations (assignments): 162 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(10,44,70.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0004296/1.77, allocations: 185.5 kB / 1.081 GB, free: 1.016 MB / 0.7169 GB Notification: Performance of simCode: created initialization part: time 0.03604/1.807, allocations: 14.35 MB / 1.095 GB, free: 2.574 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 1.839e-05/1.807, allocations: 4 kB / 1.095 GB, free: 2.57 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.01136/1.818, allocations: 4.409 MB / 1.099 GB, free: 14.13 MB / 0.7481 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002432/1.82, allocations: 297.3 kB / 1.1 GB, free: 13.85 MB / 0.7481 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02664/1.847, allocations: 9.562 MB / 1.109 GB, free: 4.176 MB / 0.7481 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00383/1.851, allocations: 2.846 MB / 1.112 GB, free: 1.293 MB / 0.7481 GB Notification: Performance of simCode: alias equations: time 0.005291/1.856, allocations: 1.637 MB / 1.113 GB, free: 15.65 MB / 0.7637 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006891/1.857, allocations: 179.3 kB / 1.113 GB, free: 15.48 MB / 0.7637 GB Notification: Performance of SimCode: time 1.613e-06/1.857, allocations: 0 / 1.113 GB, free: 15.48 MB / 0.7637 GB Notification: Performance of Templates: time 0.1327/1.99, allocations: 77.65 MB / 1.189 GB, free: 2.043 MB / 0.8262 GB make -j1 -f Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)