Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_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 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.BalancedStepDown.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.BalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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.BalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001655/0.001655, allocations: 116 kB / 16.42 MB, free: 6.48 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001858/0.001859, allocations: 183.9 kB / 17.34 MB, free: 5.746 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.466/1.466, allocations: 222.9 MB / 241.1 MB, free: 15.2 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 2.584/2.584, allocations: 437.1 MB / 0.7112 GB, free: 4.402 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.001612/0.001612, allocations: 63.84 kB / 1.019 GB, free: 9.332 MB / 0.795 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.093/1.095, allocations: 151.6 MB / 1.167 GB, free: 3.844 MB / 0.8887 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02128/1.116, allocations: 18.18 MB / 1.185 GB, free: 1.598 MB / 0.9044 GB Notification: Performance of NFInst.instExpressions: time 0.01148/1.128, allocations: 6.793 MB / 1.192 GB, free: 10.78 MB / 0.92 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001919/1.13, allocations: 55.88 kB / 1.192 GB, free: 10.73 MB / 0.92 GB Notification: Performance of NFTyping.typeComponents: time 0.003888/1.134, allocations: 1.468 MB / 1.193 GB, free: 9.254 MB / 0.92 GB Notification: Performance of NFTyping.typeBindings: time 0.003778/1.138, allocations: 1.451 MB / 1.195 GB, free: 7.797 MB / 0.92 GB Notification: Performance of NFTyping.typeClassSections: time 0.004079/1.142, allocations: 1.261 MB / 1.196 GB, free: 6.535 MB / 0.92 GB Notification: Performance of NFFlatten.flatten: time 0.007771/1.15, allocations: 5.445 MB / 1.201 GB, free: 1.078 MB / 0.92 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009335/1.159, allocations: 7.058 MB / 1.208 GB, free: 9.91 MB / 0.9356 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003829/1.163, allocations: 2.365 MB / 1.21 GB, free: 7.539 MB / 0.9356 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004884/1.168, allocations: 2.953 MB / 1.213 GB, free: 4.578 MB / 0.9356 GB Notification: Performance of NFPackage.collectConstants: time 0.001549/1.169, allocations: 0.5078 MB / 1.214 GB, free: 4.07 MB / 0.9356 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003409/1.173, allocations: 1.26 MB / 1.215 GB, free: 2.809 MB / 0.9356 GB Notification: Performance of NFScalarize.scalarize: time 0.003379/1.176, allocations: 2.246 MB / 1.217 GB, free: 0.5586 MB / 0.9356 GB Notification: Performance of NFVerifyModel.verify: time 0.005067/1.181, allocations: 2.163 MB / 1.219 GB, free: 14.38 MB / 0.9512 GB Notification: Performance of NFConvertDAE.convert: time 0.01045/1.192, allocations: 7.756 MB / 1.227 GB, free: 6.609 MB / 0.9512 GB Notification: Performance of FrontEnd - DAE generated: time 7.074e-06/1.192, allocations: 0 / 1.227 GB, free: 6.609 MB / 0.9512 GB Notification: Performance of FrontEnd: time 1.743e-06/1.192, allocations: 0 / 1.227 GB, free: 6.609 MB / 0.9512 GB Notification: Performance of Transformations before backend: time 0.0002619/1.192, allocations: 0 / 1.227 GB, free: 6.609 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: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01214/1.204, allocations: 3.864 MB / 1.231 GB, free: 2.68 MB / 0.9512 GB Notification: Performance of prepare preOptimizeDAE: time 5.577e-05/1.204, allocations: 8.922 kB / 1.231 GB, free: 2.672 MB / 0.9512 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01398/1.218, allocations: 2.429 MB / 1.233 GB, free: 244 kB / 0.9512 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005185/1.223, allocations: 2.183 MB / 1.235 GB, free: 14.01 MB / 0.9669 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002647/1.224, allocations: 263.4 kB / 1.235 GB, free: 13.75 MB / 0.9669 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001486/1.225, allocations: 351.9 kB / 1.236 GB, free: 13.41 MB / 0.9669 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01791/1.243, allocations: 7.126 MB / 1.243 GB, free: 6.176 MB / 0.9669 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001294/1.243, allocations: 4 kB / 1.243 GB, free: 6.172 MB / 0.9669 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001127/1.244, allocations: 152 kB / 1.243 GB, free: 6.023 MB / 0.9669 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005223/1.245, allocations: 330 kB / 1.243 GB, free: 5.699 MB / 0.9669 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01763/1.262, allocations: 7.035 MB / 1.25 GB, free: 14.65 MB / 0.9825 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 0.0385/1.301, allocations: 26.48 MB / 1.276 GB, free: 2.004 MB / 0.9981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008919/1.31, allocations: 4.975 MB / 1.281 GB, free: 12.73 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006188/1.316, allocations: 2.62 MB / 1.283 GB, free: 10.09 MB / 1.014 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003339/1.317, allocations: 127 kB / 1.284 GB, free: 9.941 MB / 1.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.043e-05/1.317, allocations: 68.48 kB / 1.284 GB, free: 9.867 MB / 1.014 GB Notification: Performance of pre-optimization done (n=208): time 4.558e-06/1.317, allocations: 3.938 kB / 1.284 GB, free: 9.863 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.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 0.1119/1.428, allocations: 31.14 MB / 1.314 GB, free: 10.67 MB / 1.045 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002463/1.429, allocations: 235.6 kB / 1.314 GB, free: 10.39 MB / 1.045 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004178/1.433, allocations: 1.431 MB / 1.316 GB, free: 8.945 MB / 1.045 GB Notification: Performance of collectPreVariables (initialization): time 0.001029/1.434, allocations: 65.7 kB / 1.316 GB, free: 8.875 MB / 1.045 GB Notification: Performance of collectInitialEqns (initialization): time 0.001698/1.436, allocations: 1.546 MB / 1.317 GB, free: 7.312 MB / 1.045 GB Notification: Performance of collectInitialBindings (initialization): time 0.0017/1.438, allocations: 0.9605 MB / 1.318 GB, free: 6.344 MB / 1.045 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002341/1.44, allocations: 0.6398 MB / 1.319 GB, free: 5.695 MB / 1.045 GB Notification: Performance of setup shared object (initialization): time 0.0001678/1.44, allocations: 309.1 kB / 1.319 GB, free: 5.391 MB / 1.045 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006738/1.447, allocations: 2.694 MB / 1.322 GB, free: 2.688 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007392/1.454, allocations: 3.571 MB / 1.325 GB, free: 14.74 MB / 1.061 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01379/1.468, allocations: 6.399 MB / 1.331 GB, free: 7.941 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.88e-05/1.468, allocations: 12 kB / 1.331 GB, free: 7.93 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.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 0.0306/1.499, allocations: 11.04 MB / 1.342 GB, free: 12.79 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 5.176e-05/1.499, allocations: 19.06 kB / 1.342 GB, free: 12.77 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.437e-05/1.499, allocations: 31.98 kB / 1.342 GB, free: 12.74 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0214/1.52, allocations: 5.54 MB / 1.348 GB, free: 7.184 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004716/1.525, allocations: 0.9945 MB / 1.349 GB, free: 6.188 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04631/1.571, allocations: 28.2 MB / 1.376 GB, free: 9.523 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005365/1.577, allocations: 0.5811 MB / 1.377 GB, free: 8.941 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008804/1.578, allocations: 147.9 kB / 1.377 GB, free: 8.797 MB / 1.107 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009941/1.588, allocations: 3.988 MB / 1.381 GB, free: 4.801 MB / 1.107 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007598/1.595, allocations: 3.536 MB / 1.384 GB, free: 0.8828 MB / 1.107 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.092/1.687, allocations: 24.63 MB / 1.408 GB, free: 7.738 MB / 1.139 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.798e-05/1.687, allocations: 12 kB / 1.408 GB, free: 7.727 MB / 1.139 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 0.02787/1.715, allocations: 10.54 MB / 1.419 GB, free: 13.05 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 4.427e-05/1.715, allocations: 20 kB / 1.419 GB, free: 13.03 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.743e-05/1.715, allocations: 24 kB / 1.419 GB, free: 13 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01543/1.731, allocations: 4.333 MB / 1.423 GB, free: 8.652 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004879/1.736, allocations: 1.034 MB / 1.424 GB, free: 7.617 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03702/1.773, allocations: 27.12 MB / 1.45 GB, free: 11.77 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005138/1.778, allocations: 0.5576 MB / 1.451 GB, free: 11.21 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008242/1.779, allocations: 151.9 kB / 1.451 GB, free: 11.07 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.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 0.001577/1.78, allocations: 393.9 kB / 1.451 GB, free: 10.68 MB / 1.186 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009651/1.781, allocations: 214.7 kB / 1.452 GB, free: 10.46 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 : 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 0.02739/1.809, allocations: 10.17 MB / 1.462 GB, free: 224 kB / 1.186 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.005e-05/1.809, allocations: 15.95 kB / 1.462 GB, free: 208 kB / 1.186 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.674e-06/1.809, allocations: 0 / 1.462 GB, free: 208 kB / 1.186 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002012/1.811, allocations: 0.7378 MB / 1.462 GB, free: 15.44 MB / 1.201 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009374/1.812, allocations: 51.98 kB / 1.462 GB, free: 15.39 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004173/1.816, allocations: 0.5031 MB / 1.463 GB, free: 14.89 MB / 1.201 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009836/1.817, allocations: 285.2 kB / 1.463 GB, free: 14.61 MB / 1.201 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.02881/1.846, allocations: 9.423 MB / 1.472 GB, free: 5.16 MB / 1.201 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.02077/1.867, allocations: 8.896 MB / 1.481 GB, free: 12.19 MB / 1.217 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.006122/1.873, allocations: 2.665 MB / 1.484 GB, free: 9.516 MB / 1.217 GB Notification: Performance of sorting global known variables: time 0.002086/1.875, allocations: 0.9684 MB / 1.485 GB, free: 8.543 MB / 1.217 GB Notification: Performance of Backend: time 8.12e-07/1.875, allocations: 4 kB / 1.485 GB, free: 8.539 MB / 1.217 GB Notification: Performance of simCode: created initialization part: time 0.02952/1.905, allocations: 10.58 MB / 1.495 GB, free: 13.86 MB / 1.232 GB Notification: Performance of SimCode: time 0.01741/1.922, allocations: 7.336 MB / 1.502 GB, free: 6.473 MB / 1.232 GB Notification: Performance of Templates: time 0.916/2.838, allocations: 95.07 MB / 1.595 GB, free: 346.4 MB / 1.279 GB make -j1 -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)