Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_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 10.1.1-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/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_10_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_10_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 0.001169/0.001169, allocations: 113.3 kB / 16.42 MB, free: 6.441 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001187/0.001188, allocations: 187.9 kB / 17.35 MB, free: 5.715 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.39/1.39, allocations: 222.9 MB / 241 MB, free: 15.08 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.566/2.566, allocations: 437 MB / 0.7112 GB, free: 4.375 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.001538/0.001538, allocations: 67.89 kB / 1.019 GB, free: 9.309 MB / 0.795 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.9675/0.9691, allocations: 151.6 MB / 1.167 GB, free: 3.824 MB / 0.8887 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02136/0.9905, allocations: 18.26 MB / 1.185 GB, free: 1.492 MB / 0.9044 GB Notification: Performance of NFInst.instExpressions: time 0.01274/1.003, allocations: 6.875 MB / 1.192 GB, free: 10.59 MB / 0.92 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00226/1.006, allocations: 55.88 kB / 1.192 GB, free: 10.54 MB / 0.92 GB Notification: Performance of NFTyping.typeComponents: time 0.004502/1.01, allocations: 1.46 MB / 1.193 GB, free: 9.074 MB / 0.92 GB Notification: Performance of NFTyping.typeBindings: time 0.004875/1.015, allocations: 1.471 MB / 1.195 GB, free: 7.598 MB / 0.92 GB Notification: Performance of NFTyping.typeClassSections: time 0.003918/1.019, allocations: 1.269 MB / 1.196 GB, free: 6.328 MB / 0.92 GB Notification: Performance of NFFlatten.flatten: time 0.006993/1.026, allocations: 5.48 MB / 1.201 GB, free: 0.8359 MB / 0.92 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01046/1.036, allocations: 7.116 MB / 1.208 GB, free: 9.613 MB / 0.9356 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004439/1.041, allocations: 2.384 MB / 1.211 GB, free: 7.223 MB / 0.9356 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005301/1.046, allocations: 2.968 MB / 1.214 GB, free: 4.246 MB / 0.9356 GB Notification: Performance of NFPackage.collectConstants: time 0.001766/1.048, allocations: 0.5156 MB / 1.214 GB, free: 3.73 MB / 0.9356 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003913/1.052, allocations: 1.268 MB / 1.215 GB, free: 2.461 MB / 0.9356 GB Notification: Performance of NFScalarize.scalarize: time 0.004089/1.056, allocations: 2.25 MB / 1.218 GB, free: 212 kB / 0.9356 GB Notification: Performance of NFVerifyModel.verify: time 0.005472/1.062, allocations: 2.183 MB / 1.22 GB, free: 14.01 MB / 0.9512 GB Notification: Performance of NFConvertDAE.convert: time 0.01133/1.073, allocations: 7.789 MB / 1.227 GB, free: 6.207 MB / 0.9512 GB Notification: Performance of FrontEnd - DAE generated: time 6.362e-06/1.073, allocations: 0 / 1.227 GB, free: 6.207 MB / 0.9512 GB Notification: Performance of FrontEnd: time 2.194e-06/1.073, allocations: 0 / 1.227 GB, free: 6.207 MB / 0.9512 GB Notification: Performance of Transformations before backend: time 0.0002778/1.073, allocations: 0 / 1.227 GB, free: 6.207 MB / 0.9512 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 0.01298/1.086, allocations: 3.823 MB / 1.231 GB, free: 2.324 MB / 0.9512 GB Notification: Performance of prepare preOptimizeDAE: time 5.368e-05/1.086, allocations: 8.922 kB / 1.231 GB, free: 2.316 MB / 0.9512 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01437/1.101, allocations: 2.419 MB / 1.233 GB, free: 15.89 MB / 0.9669 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006666/1.107, allocations: 2.186 MB / 1.236 GB, free: 13.66 MB / 0.9669 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003005/1.108, allocations: 271.5 kB / 1.236 GB, free: 13.39 MB / 0.9669 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001761/1.11, allocations: 351.9 kB / 1.236 GB, free: 13.05 MB / 0.9669 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01885/1.128, allocations: 7.155 MB / 1.243 GB, free: 5.789 MB / 0.9669 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001442/1.129, allocations: 8 kB / 1.243 GB, free: 5.781 MB / 0.9669 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00127/1.13, allocations: 155.9 kB / 1.243 GB, free: 5.629 MB / 0.9669 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005327/1.13, allocations: 334.1 kB / 1.244 GB, free: 5.301 MB / 0.9669 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01766/1.148, allocations: 7.044 MB / 1.25 GB, free: 14.25 MB / 0.9825 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03862/1.187, allocations: 26.49 MB / 1.276 GB, free: 1.578 MB / 0.9981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008865/1.196, allocations: 4.996 MB / 1.281 GB, free: 12.29 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006162/1.202, allocations: 2.616 MB / 1.284 GB, free: 9.645 MB / 1.014 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002915/1.202, allocations: 135 kB / 1.284 GB, free: 9.492 MB / 1.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.419e-05/1.202, allocations: 60.5 kB / 1.284 GB, free: 9.426 MB / 1.014 GB Notification: Performance of pre-optimization done (n=208): time 5.42e-06/1.202, allocations: 0 / 1.284 GB, free: 9.426 MB / 1.014 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 0.1096/1.312, allocations: 30.97 MB / 1.314 GB, free: 10.38 MB / 1.045 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001224/1.312, allocations: 231.6 kB / 1.314 GB, free: 10.1 MB / 1.045 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002603/1.315, allocations: 1.473 MB / 1.316 GB, free: 8.617 MB / 1.045 GB Notification: Performance of collectPreVariables (initialization): time 0.0005512/1.315, allocations: 69.7 kB / 1.316 GB, free: 8.543 MB / 1.045 GB Notification: Performance of collectInitialEqns (initialization): time 0.001037/1.316, allocations: 1.497 MB / 1.317 GB, free: 7.023 MB / 1.045 GB Notification: Performance of collectInitialBindings (initialization): time 0.001199/1.317, allocations: 0.9204 MB / 1.318 GB, free: 6.09 MB / 1.045 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001821/1.319, allocations: 0.6357 MB / 1.319 GB, free: 5.445 MB / 1.045 GB Notification: Performance of setup shared object (initialization): time 0.0001517/1.319, allocations: 301.1 kB / 1.319 GB, free: 5.148 MB / 1.045 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006235/1.326, allocations: 2.694 MB / 1.322 GB, free: 2.445 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006849/1.333, allocations: 3.564 MB / 1.325 GB, free: 14.5 MB / 1.061 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01307/1.346, allocations: 6.406 MB / 1.332 GB, free: 7.695 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.445e-05/1.346, allocations: 8 kB / 1.332 GB, free: 7.688 MB / 1.061 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 0.02958/1.375, allocations: 10.99 MB / 1.342 GB, free: 12.6 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 5.087e-05/1.375, allocations: 20.06 kB / 1.342 GB, free: 12.58 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.889e-05/1.375, allocations: 28 kB / 1.342 GB, free: 12.55 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02009/1.396, allocations: 5.552 MB / 1.348 GB, free: 6.984 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00459/1.4, allocations: 0.9984 MB / 1.349 GB, free: 5.984 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04683/1.447, allocations: 28.18 MB / 1.376 GB, free: 9.344 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00499/1.452, allocations: 0.5769 MB / 1.377 GB, free: 8.766 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007461/1.453, allocations: 152.3 kB / 1.377 GB, free: 8.617 MB / 1.107 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00912/1.462, allocations: 3.984 MB / 1.381 GB, free: 4.625 MB / 1.107 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006852/1.469, allocations: 3.532 MB / 1.384 GB, free: 0.7109 MB / 1.107 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08954/1.558, allocations: 24.61 MB / 1.408 GB, free: 7.586 MB / 1.139 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.745e-05/1.559, allocations: 15.92 kB / 1.408 GB, free: 7.57 MB / 1.139 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 0.02817/1.587, allocations: 10.53 MB / 1.419 GB, free: 12.9 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 3.822e-05/1.587, allocations: 18.03 kB / 1.419 GB, free: 12.88 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.354e-05/1.587, allocations: 24 kB / 1.419 GB, free: 12.86 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0154/1.602, allocations: 4.333 MB / 1.423 GB, free: 8.508 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004715/1.607, allocations: 1.045 MB / 1.424 GB, free: 7.461 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03777/1.645, allocations: 27.14 MB / 1.45 GB, free: 11.58 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005/1.65, allocations: 0.5498 MB / 1.451 GB, free: 11.03 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008275/1.651, allocations: 151.9 kB / 1.451 GB, free: 10.88 MB / 1.186 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 0.001571/1.652, allocations: 403 kB / 1.452 GB, free: 10.48 MB / 1.186 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000883/1.653, allocations: 197.7 kB / 1.452 GB, free: 10.29 MB / 1.186 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 0.02762/1.681, allocations: 10.17 MB / 1.462 GB, free: 52 kB / 1.186 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.066e-05/1.681, allocations: 23.88 kB / 1.462 GB, free: 28 kB / 1.186 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.572e-06/1.681, allocations: 0 / 1.462 GB, free: 28 kB / 1.186 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001984/1.683, allocations: 0.7289 MB / 1.462 GB, free: 15.28 MB / 1.201 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007687/1.684, allocations: 47.94 kB / 1.462 GB, free: 15.23 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004022/1.688, allocations: 0.5031 MB / 1.463 GB, free: 14.73 MB / 1.201 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000797/1.688, allocations: 277.5 kB / 1.463 GB, free: 14.45 MB / 1.201 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.02402/1.713, allocations: 9.426 MB / 1.472 GB, free: 5 MB / 1.201 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.0188/1.731, allocations: 8.895 MB / 1.481 GB, free: 12.03 MB / 1.217 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.00551/1.737, allocations: 2.673 MB / 1.484 GB, free: 9.348 MB / 1.217 GB Notification: Performance of sorting global known variables: time 0.002008/1.739, allocations: 0.9972 MB / 1.485 GB, free: 8.348 MB / 1.217 GB Notification: Performance of Backend: time 6.02e-07/1.739, allocations: 0 / 1.485 GB, free: 8.348 MB / 1.217 GB Notification: Performance of simCode: created initialization part: time 0.02776/1.767, allocations: 10.57 MB / 1.495 GB, free: 13.68 MB / 1.232 GB Notification: Performance of SimCode: time 0.01556/1.782, allocations: 7.276 MB / 1.502 GB, free: 6.359 MB / 1.232 GB Notification: Performance of Templates: time 0.9577/2.74, allocations: 95.66 MB / 1.595 GB, free: 346 MB / 1.279 GB make -j1 -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.makefile (rm -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & ./Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)