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.BalancedStepDown.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.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.007805/0.007805, allocations: 102 kB / 15.73 MB, free: 6.051 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001369/0.00137, 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 3.2.3+maint.om/package.mo): time 1.685/1.685, allocations: 205.1 MB / 222.5 MB, free: 12.22 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.475/1.475, allocations: 251.7 MB / 0.5094 GB, free: 372 kB / 430.1 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 0.001674/0.001674, allocations: 71.89 kB / 0.7259 GB, free: 4.531 MB / 0.5606 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8068/0.8085, allocations: 104.7 MB / 0.8281 GB, free: 2.539 MB / 0.6231 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02301/0.8316, allocations: 18.14 MB / 0.8459 GB, free: 344 kB / 0.6387 GB Notification: Performance of NFInst.instExpressions: time 0.01796/0.8496, allocations: 6.837 MB / 0.8525 GB, free: 9.48 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002853/0.8525, allocations: 55.88 kB / 0.8526 GB, free: 9.426 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.004836/0.8575, allocations: 1.468 MB / 0.854 GB, free: 7.953 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.004969/0.8624, allocations: 1.408 MB / 0.8554 GB, free: 6.539 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.004462/0.8669, allocations: 1.29 MB / 0.8567 GB, free: 5.25 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.008044/0.875, allocations: 5.433 MB / 0.862 GB, free: 15.8 MB / 0.67 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01151/0.8866, allocations: 7.064 MB / 0.8689 GB, free: 8.629 MB / 0.67 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004719/0.8913, allocations: 2.361 MB / 0.8712 GB, free: 6.262 MB / 0.67 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005912/0.8973, allocations: 2.957 MB / 0.874 GB, free: 3.293 MB / 0.67 GB Notification: Performance of NFPackage.collectConstants: time 0.002359/0.8997, allocations: 0.5117 MB / 0.8745 GB, free: 2.781 MB / 0.67 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00462/0.9043, allocations: 1.256 MB / 0.8758 GB, free: 1.523 MB / 0.67 GB Notification: Performance of NFScalarize.scalarize: time 0.005307/0.9097, allocations: 2.23 MB / 0.878 GB, free: 15.29 MB / 0.6856 GB Notification: Performance of NFVerifyModel.verify: time 0.007309/0.917, allocations: 2.171 MB / 0.8801 GB, free: 13.11 MB / 0.6856 GB Notification: Performance of NFConvertDAE.convert: time 0.01286/0.9299, allocations: 7.719 MB / 0.8876 GB, free: 5.371 MB / 0.6856 GB Notification: Performance of FrontEnd - DAE generated: time 7.304e-06/0.93, allocations: 0 / 0.8876 GB, free: 5.371 MB / 0.6856 GB Notification: Performance of FrontEnd: time 2.685e-06/0.93, allocations: 0 / 0.8876 GB, free: 5.371 MB / 0.6856 GB Notification: Performance of Transformations before backend: time 0.0003065/0.9303, allocations: 4 kB / 0.8876 GB, free: 5.367 MB / 0.6856 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01318/0.9435, allocations: 3.788 MB / 0.8913 GB, free: 1.52 MB / 0.6856 GB Notification: Performance of prepare preOptimizeDAE: time 5.316e-05/0.9436, allocations: 8.031 kB / 0.8913 GB, free: 1.512 MB / 0.6856 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01293/0.9565, allocations: 2.333 MB / 0.8936 GB, free: 15.17 MB / 0.7012 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005688/0.9622, allocations: 2.167 MB / 0.8957 GB, free: 12.96 MB / 0.7012 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003375/0.9626, allocations: 267.4 kB / 0.896 GB, free: 12.7 MB / 0.7012 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001899/0.9645, allocations: 355.8 kB / 0.8963 GB, free: 12.35 MB / 0.7012 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02148/0.986, allocations: 7.103 MB / 0.9032 GB, free: 5.145 MB / 0.7012 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002096/0.9863, allocations: 3.938 kB / 0.9032 GB, free: 5.141 MB / 0.7012 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001558/0.9879, allocations: 148 kB / 0.9034 GB, free: 4.996 MB / 0.7012 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000594/0.9885, allocations: 334 kB / 0.9037 GB, free: 4.668 MB / 0.7012 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01938/1.008, allocations: 6.985 MB / 0.9105 GB, free: 13.67 MB / 0.7169 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 0.04394/1.052, allocations: 26.34 MB / 0.9363 GB, free: 1.152 MB / 0.7325 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008991/1.061, allocations: 4.976 MB / 0.9411 GB, free: 11.87 MB / 0.7481 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006094/1.067, allocations: 2.616 MB / 0.9437 GB, free: 9.234 MB / 0.7481 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004457/1.068, allocations: 131 kB / 0.9438 GB, free: 9.09 MB / 0.7481 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.612e-05/1.068, allocations: 60.56 kB / 0.9439 GB, free: 9.02 MB / 0.7481 GB Notification: Performance of pre-optimization done (n=208): time 7.263e-06/1.068, allocations: 0 / 0.9439 GB, free: 9.02 MB / 0.7481 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 0.1091/1.177, allocations: 30.92 MB / 0.974 GB, free: 10.02 MB / 0.7794 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001753/1.177, allocations: 243.5 kB / 0.9743 GB, free: 9.73 MB / 0.7794 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002769/1.18, allocations: 1.396 MB / 0.9756 GB, free: 8.324 MB / 0.7794 GB Notification: Performance of collectPreVariables (initialization): time 0.0007476/1.181, allocations: 69.7 kB / 0.9757 GB, free: 8.25 MB / 0.7794 GB Notification: Performance of collectInitialEqns (initialization): time 0.001243/1.182, allocations: 1.485 MB / 0.9772 GB, free: 6.742 MB / 0.7794 GB Notification: Performance of collectInitialBindings (initialization): time 0.001657/1.183, allocations: 0.9242 MB / 0.9781 GB, free: 5.805 MB / 0.7794 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002306/1.186, allocations: 0.6318 MB / 0.9787 GB, free: 5.164 MB / 0.7794 GB Notification: Performance of setup shared object (initialization): time 0.0001268/1.186, allocations: 309.1 kB / 0.979 GB, free: 4.859 MB / 0.7794 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006479/1.192, allocations: 2.666 MB / 0.9816 GB, free: 2.184 MB / 0.7794 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00758/1.2, allocations: 3.556 MB / 0.985 GB, free: 14.25 MB / 0.795 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01411/1.214, allocations: 6.383 MB / 0.9913 GB, free: 7.465 MB / 0.795 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.115e-05/1.214, allocations: 8 kB / 0.9913 GB, free: 7.457 MB / 0.795 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 0.03176/1.246, allocations: 10.99 MB / 1.002 GB, free: 12.36 MB / 0.8106 GB Notification: Performance of prepare postOptimizeDAE: time 5.649e-05/1.246, allocations: 16.56 kB / 1.002 GB, free: 12.35 MB / 0.8106 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.29e-05/1.246, allocations: 35.98 kB / 1.002 GB, free: 12.31 MB / 0.8106 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0199/1.266, allocations: 5.454 MB / 1.007 GB, free: 6.848 MB / 0.8106 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004419/1.271, allocations: 0.9906 MB / 1.008 GB, free: 5.855 MB / 0.8106 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04521/1.316, allocations: 28.14 MB / 1.036 GB, free: 9.25 MB / 0.8419 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004468/1.32, allocations: 0.5536 MB / 1.036 GB, free: 8.695 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000764/1.321, allocations: 144 kB / 1.037 GB, free: 8.555 MB / 0.8419 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009903/1.331, allocations: 3.968 MB / 1.04 GB, free: 4.578 MB / 0.8419 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007729/1.339, allocations: 3.513 MB / 1.044 GB, free: 0.6875 MB / 0.8419 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08446/1.423, allocations: 24.56 MB / 1.068 GB, free: 7.609 MB / 0.8731 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.179e-05/1.424, allocations: 8 kB / 1.068 GB, free: 7.602 MB / 0.8731 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 0.02757/1.451, allocations: 10.49 MB / 1.078 GB, free: 12.97 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 6.013e-05/1.451, allocations: 16 kB / 1.078 GB, free: 12.95 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.853e-05/1.451, allocations: 28 kB / 1.078 GB, free: 12.93 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01483/1.466, allocations: 4.245 MB / 1.082 GB, free: 8.668 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004646/1.471, allocations: 1.03 MB / 1.083 GB, free: 7.637 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.6151/2.086, allocations: 27.09 MB / 1.11 GB, free: 253.3 MB / 0.9044 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005235/2.091, allocations: 0.5443 MB / 1.11 GB, free: 253.3 MB / 0.9044 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000731/2.092, allocations: 150.5 kB / 1.11 GB, free: 253.3 MB / 0.9044 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 0.001215/2.093, allocations: 395 kB / 1.111 GB, free: 253.2 MB / 0.9044 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008317/2.094, allocations: 197.9 kB / 1.111 GB, free: 253.2 MB / 0.9044 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 0.02452/2.119, allocations: 10.16 MB / 1.121 GB, free: 251.5 MB / 0.9044 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.706e-05/2.119, allocations: 27.38 kB / 1.121 GB, free: 251.5 MB / 0.9044 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.491e-05/2.119, allocations: 15.62 kB / 1.121 GB, free: 251.5 MB / 0.9044 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.184e-05/2.119, allocations: 15.14 kB / 1.121 GB, free: 251.5 MB / 0.9044 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 0.03403/2.153, allocations: 16.25 MB / 1.137 GB, free: 244.8 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.54e-05/2.153, allocations: 8 kB / 1.137 GB, free: 244.8 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003158/2.156, allocations: 0.7368 MB / 1.138 GB, free: 244.1 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01631/2.173, allocations: 5.098 MB / 1.143 GB, free: 239 MB / 0.9044 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008205/2.173, allocations: 79.95 kB / 1.143 GB, free: 239 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03469/2.208, allocations: 27.21 MB / 1.169 GB, free: 211.6 MB / 0.9044 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.946e-06/2.208, allocations: 16.03 kB / 1.169 GB, free: 211.6 MB / 0.9044 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 0.02354/2.232, allocations: 10.1 MB / 1.179 GB, free: 201.3 MB / 0.9044 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001937/2.234, allocations: 0.7208 MB / 1.18 GB, free: 200.5 MB / 0.9044 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008065/2.234, allocations: 52 kB / 1.18 GB, free: 200.5 MB / 0.9044 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003507/2.238, allocations: 0.4992 MB / 1.18 GB, free: 200 MB / 0.9044 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009243/2.239, allocations: 231.6 kB / 1.18 GB, free: 199.8 MB / 0.9044 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003646/2.239, allocations: 91.95 kB / 1.181 GB, free: 199.7 MB / 0.9044 GB Notification: Performance of sorting global known variables: time 0.001422/2.241, allocations: 0.9567 MB / 1.182 GB, free: 198.7 MB / 0.9044 GB Notification: Performance of sort global known variables: time 2.31e-07/2.241, allocations: 0 / 1.182 GB, free: 198.7 MB / 0.9044 GB Notification: Performance of remove unused functions: time 0.007521/2.248, allocations: 1.82 MB / 1.183 GB, free: 196.9 MB / 0.9044 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 0.0006083/2.249, allocations: 179.2 kB / 1.183 GB, free: 196.7 MB / 0.9044 GB Notification: Performance of simCode: created initialization part: time 0.025/2.274, allocations: 12.4 MB / 1.196 GB, free: 184.2 MB / 0.9044 GB Notification: Performance of simCode: created event and clocks part: time 1.511e-05/2.274, allocations: 5.938 kB / 1.196 GB, free: 184.2 MB / 0.9044 GB Notification: Performance of simCode: created simulation system equations: time 0.009817/2.284, allocations: 4.429 MB / 1.2 GB, free: 179.7 MB / 0.9044 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002994/2.287, allocations: 275.4 kB / 1.2 GB, free: 179.5 MB / 0.9044 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0205/2.307, allocations: 8.928 MB / 1.209 GB, free: 170.5 MB / 0.9044 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002642/2.31, allocations: 2.84 MB / 1.212 GB, free: 167.6 MB / 0.9044 GB Notification: Performance of simCode: alias equations: time 0.003858/2.314, allocations: 1.637 MB / 1.213 GB, free: 166 MB / 0.9044 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005987/2.315, allocations: 171.3 kB / 1.213 GB, free: 165.8 MB / 0.9044 GB Notification: Performance of SimCode: time 9.82e-07/2.315, allocations: 0 / 1.213 GB, free: 165.8 MB / 0.9044 GB Notification: Performance of Templates: time 0.1008/2.415, allocations: 78.25 MB / 1.29 GB, free: 87.73 MB / 0.9044 GB make -j1 -f Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)