Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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/Buildings 11.0.1-master/package.mo", uses=false) Using package Buildings with version 11.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-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(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00677/0.00677, allocations: 103.8 kB / 15.73 MB, free: 6.047 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001361/0.001361, allocations: 189.4 kB / 16.67 MB, free: 5.969 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.368/1.368, allocations: 222.9 MB / 240.4 MB, free: 15.14 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.612/2.612, allocations: 461.9 MB / 0.7348 GB, free: 11.04 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.001308/0.001308, allocations: 71.88 kB / 1.054 GB, free: 7.539 MB / 0.8262 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.028/1.029, allocations: 157.4 MB / 1.208 GB, free: 13.54 MB / 0.9356 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02392/1.053, allocations: 18.26 MB / 1.226 GB, free: 11.21 MB / 0.9512 GB Notification: Performance of NFInst.instExpressions: time 0.01463/1.068, allocations: 6.874 MB / 1.232 GB, free: 4.324 MB / 0.9512 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002276/1.07, allocations: 59.88 kB / 1.232 GB, free: 4.266 MB / 0.9512 GB Notification: Performance of NFTyping.typeComponents: time 0.0047/1.075, allocations: 1.469 MB / 1.234 GB, free: 2.793 MB / 0.9512 GB Notification: Performance of NFTyping.typeBindings: time 0.004923/1.08, allocations: 1.447 MB / 1.235 GB, free: 1.34 MB / 0.9512 GB Notification: Performance of NFTyping.typeClassSections: time 0.004088/1.084, allocations: 1.274 MB / 1.237 GB, free: 68 kB / 0.9512 GB Notification: Performance of NFFlatten.flatten: time 0.007058/1.091, allocations: 5.468 MB / 1.242 GB, free: 10.59 MB / 0.9669 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01001/1.101, allocations: 7.104 MB / 1.249 GB, free: 3.371 MB / 0.9669 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004808/1.106, allocations: 2.384 MB / 1.251 GB, free: 0.9805 MB / 0.9669 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006045/1.112, allocations: 2.965 MB / 1.254 GB, free: 14 MB / 0.9825 GB Notification: Performance of NFPackage.collectConstants: time 0.001883/1.114, allocations: 0.5156 MB / 1.255 GB, free: 13.49 MB / 0.9825 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003761/1.118, allocations: 1.276 MB / 1.256 GB, free: 12.21 MB / 0.9825 GB Notification: Performance of NFScalarize.scalarize: time 0.00407/1.122, allocations: 2.246 MB / 1.258 GB, free: 9.965 MB / 0.9825 GB Notification: Performance of NFVerifyModel.verify: time 0.005801/1.127, allocations: 2.198 MB / 1.26 GB, free: 7.758 MB / 0.9825 GB Notification: Performance of NFConvertDAE.convert: time 0.0126/1.14, allocations: 7.781 MB / 1.268 GB, free: 15.96 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 6.462e-06/1.14, allocations: 0 / 1.268 GB, free: 15.96 MB / 0.9981 GB Notification: Performance of FrontEnd: time 1.462e-06/1.14, allocations: 0 / 1.268 GB, free: 15.96 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 0.0003009/1.14, allocations: 0 / 1.268 GB, free: 15.96 MB / 0.9981 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 0.01292/1.153, allocations: 3.823 MB / 1.271 GB, free: 12.07 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 4.726e-05/1.153, allocations: 12.03 kB / 1.271 GB, free: 12.06 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01413/1.168, allocations: 2.411 MB / 1.274 GB, free: 9.645 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005945/1.174, allocations: 2.19 MB / 1.276 GB, free: 7.41 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002836/1.174, allocations: 267.5 kB / 1.276 GB, free: 7.148 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001665/1.176, allocations: 355.9 kB / 1.277 GB, free: 6.801 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01976/1.195, allocations: 7.163 MB / 1.284 GB, free: 15.54 MB / 1.014 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001582/1.196, allocations: 3.938 kB / 1.284 GB, free: 15.53 MB / 1.014 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001276/1.197, allocations: 148 kB / 1.284 GB, free: 15.39 MB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006418/1.198, allocations: 330.1 kB / 1.284 GB, free: 15.06 MB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01833/1.216, allocations: 7.048 MB / 1.291 GB, free: 8.004 MB / 1.014 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0419/1.258, allocations: 26.5 MB / 1.317 GB, free: 11.33 MB / 1.045 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009335/1.267, allocations: 4.996 MB / 1.322 GB, free: 6.035 MB / 1.045 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006665/1.274, allocations: 2.608 MB / 1.324 GB, free: 3.402 MB / 1.045 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003914/1.274, allocations: 127 kB / 1.324 GB, free: 3.262 MB / 1.045 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.319e-05/1.274, allocations: 68.5 kB / 1.324 GB, free: 3.184 MB / 1.045 GB Notification: Performance of pre-optimization done (n=208): time 5.269e-06/1.274, allocations: 0 / 1.324 GB, free: 3.184 MB / 1.045 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.conv2.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.conv2.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 0.1083/1.383, allocations: 30.95 MB / 1.355 GB, free: 4.141 MB / 1.076 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001573/1.383, allocations: 247.5 kB / 1.355 GB, free: 3.852 MB / 1.076 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002188/1.385, allocations: 1.465 MB / 1.356 GB, free: 2.379 MB / 1.076 GB Notification: Performance of collectPreVariables (initialization): time 0.0004456/1.386, allocations: 65.7 kB / 1.356 GB, free: 2.309 MB / 1.076 GB Notification: Performance of collectInitialEqns (initialization): time 0.001114/1.387, allocations: 1.505 MB / 1.358 GB, free: 0.7812 MB / 1.076 GB Notification: Performance of collectInitialBindings (initialization): time 0.00109/1.388, allocations: 0.9167 MB / 1.359 GB, free: 15.85 MB / 1.092 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001229/1.389, allocations: 0.6357 MB / 1.359 GB, free: 15.2 MB / 1.092 GB Notification: Performance of setup shared object (initialization): time 0.000101/1.389, allocations: 309.1 kB / 1.36 GB, free: 14.9 MB / 1.092 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006224/1.395, allocations: 2.69 MB / 1.362 GB, free: 12.2 MB / 1.092 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006772/1.402, allocations: 3.567 MB / 1.366 GB, free: 8.258 MB / 1.092 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01287/1.415, allocations: 6.399 MB / 1.372 GB, free: 1.461 MB / 1.092 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.983e-05/1.415, allocations: 8 kB / 1.372 GB, free: 1.453 MB / 1.092 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.conv2.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.conv2.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 0.02812/1.443, allocations: 10.99 MB / 1.383 GB, free: 6.355 MB / 1.107 GB Notification: Performance of prepare postOptimizeDAE: time 3.548e-05/1.443, allocations: 16 kB / 1.383 GB, free: 6.34 MB / 1.107 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.522e-05/1.443, allocations: 24 kB / 1.383 GB, free: 6.316 MB / 1.107 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0194/1.463, allocations: 5.552 MB / 1.388 GB, free: 0.7461 MB / 1.107 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004407/1.467, allocations: 0.9983 MB / 1.389 GB, free: 15.75 MB / 1.123 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04195/1.509, allocations: 28.19 MB / 1.417 GB, free: 3.098 MB / 1.139 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004624/1.514, allocations: 0.5769 MB / 1.417 GB, free: 2.52 MB / 1.139 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004776/1.514, allocations: 151.9 kB / 1.417 GB, free: 2.371 MB / 1.139 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007879/1.522, allocations: 3.98 MB / 1.421 GB, free: 14.38 MB / 1.154 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006425/1.529, allocations: 3.536 MB / 1.425 GB, free: 10.46 MB / 1.154 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.1111/1.64, allocations: 24.62 MB / 1.449 GB, free: 1.336 MB / 1.17 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.944e-05/1.64, allocations: 8 kB / 1.449 GB, free: 1.328 MB / 1.17 GB Warning: The linear system: 1 : transformer.conv1.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.conv1.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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ] = [ -loadRL.load1.v[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] ; -transformer.conv2.V2[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_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_lambda0): time 0.0281/1.668, allocations: 10.53 MB / 1.459 GB, free: 6.664 MB / 1.186 GB Notification: Performance of prepare postOptimizeDAE: time 2.938e-05/1.668, allocations: 16 kB / 1.459 GB, free: 6.648 MB / 1.186 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.757e-05/1.668, allocations: 31.94 kB / 1.459 GB, free: 6.617 MB / 1.186 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0197/1.688, allocations: 4.326 MB / 1.463 GB, free: 2.273 MB / 1.186 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007546/1.695, allocations: 1.034 MB / 1.464 GB, free: 1.238 MB / 1.186 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05158/1.747, allocations: 27.14 MB / 1.491 GB, free: 5.355 MB / 1.217 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004723/1.752, allocations: 0.5578 MB / 1.491 GB, free: 4.797 MB / 1.217 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005985/1.752, allocations: 155.9 kB / 1.492 GB, free: 4.645 MB / 1.217 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.i1[2]) - line2.i3[2] - line2.i2[2] 0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[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 0.001115/1.753, allocations: 401.8 kB / 1.492 GB, free: 4.246 MB / 1.217 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007264/1.754, allocations: 197.7 kB / 1.492 GB, free: 4.051 MB / 1.217 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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[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] ; -transformer.conv2.V2[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] ; -loadRL.load1.v[1] ] 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 wrapFunctionCalls (simulation): time 0.02714/1.781, allocations: 10.17 MB / 1.502 GB, free: 9.812 MB / 1.232 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.79e-05/1.781, allocations: 31.94 kB / 1.502 GB, free: 9.781 MB / 1.232 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.229e-05/1.781, allocations: 12 kB / 1.502 GB, free: 9.77 MB / 1.232 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.45e-05/1.781, allocations: 15.89 kB / 1.502 GB, free: 9.754 MB / 1.232 GB Warning: The linear system: 1 : 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] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : 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] 4 : transformer.conv2.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.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ; line2.v2_p[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] ; -loadRL.load1.v[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] ; -transformer.conv2.V2[1] ] 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 0.03852/1.82, allocations: 16.32 MB / 1.518 GB, free: 9.184 MB / 1.248 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.246e-05/1.82, allocations: 4 kB / 1.518 GB, free: 9.18 MB / 1.248 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003473/1.824, allocations: 0.7379 MB / 1.519 GB, free: 8.441 MB / 1.248 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01899/1.843, allocations: 5.177 MB / 1.524 GB, free: 3.25 MB / 1.248 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006227/1.843, allocations: 71.95 kB / 1.524 GB, free: 3.18 MB / 1.248 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04096/1.884, allocations: 27.22 MB / 1.55 GB, free: 7.453 MB / 1.279 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.091e-05/1.884, allocations: 12.03 kB / 1.55 GB, free: 7.441 MB / 1.279 GB Warning: The linear system: 1 : 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] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : 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] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[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.conv2.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] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.6941/2.578, allocations: 10.12 MB / 1.56 GB, free: 324.1 MB / 1.279 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002308/2.581, allocations: 0.7209 MB / 1.561 GB, free: 324 MB / 1.279 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003937/2.581, allocations: 59.62 kB / 1.561 GB, free: 324 MB / 1.279 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003641/2.585, allocations: 0.5077 MB / 1.562 GB, free: 324 MB / 1.279 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000747/2.585, allocations: 225.6 kB / 1.562 GB, free: 324 MB / 1.279 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002328/2.586, allocations: 91.16 kB / 1.562 GB, free: 324 MB / 1.279 GB Notification: Performance of sorting global known variables: time 0.001446/2.587, allocations: 1.002 MB / 1.563 GB, free: 323.9 MB / 1.279 GB Notification: Performance of sort global known variables: time 1.6e-07/2.587, allocations: 0 / 1.563 GB, free: 323.9 MB / 1.279 GB Notification: Performance of remove unused functions: time 0.005697/2.593, allocations: 1.855 MB / 1.565 GB, free: 323.9 MB / 1.279 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 0.0004236/2.593, allocations: 186.4 kB / 1.565 GB, free: 323.8 MB / 1.279 GB Notification: Performance of simCode: created initialization part: time 0.02677/2.62, allocations: 12.45 MB / 1.577 GB, free: 321.8 MB / 1.279 GB Notification: Performance of simCode: created event and clocks part: time 1.711e-05/2.62, allocations: 3.969 kB / 1.577 GB, free: 321.8 MB / 1.279 GB Notification: Performance of simCode: created simulation system equations: time 0.00957/2.63, allocations: 4.388 MB / 1.581 GB, free: 320.3 MB / 1.279 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002141/2.632, allocations: 283.7 kB / 1.582 GB, free: 320.2 MB / 1.279 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02014/2.652, allocations: 9.49 MB / 1.591 GB, free: 317 MB / 1.279 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00218/2.654, allocations: 2.854 MB / 1.594 GB, free: 315.8 MB / 1.279 GB Notification: Performance of simCode: alias equations: time 0.00375/2.658, allocations: 1.655 MB / 1.595 GB, free: 315.7 MB / 1.279 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005976/2.659, allocations: 180.1 kB / 1.595 GB, free: 315.7 MB / 1.279 GB Notification: Performance of SimCode: time 6.31e-07/2.659, allocations: 0 / 1.595 GB, free: 315.7 MB / 1.279 GB Notification: Performance of Templates: time 0.0844/2.743, allocations: 80.95 MB / 1.674 GB, free: 237.1 MB / 1.279 GB make -j1 -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.makefile (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & ./Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)