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 0.001904/0.001904, allocations: 108.4 kB / 16.41 MB, free: 6.465 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001969/0.001969, allocations: 192 kB / 17.34 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 1.548/1.548, 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 2.664/2.664, allocations: 437 MB / 0.7112 GB, free: 4.375 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.001974/0.001974, allocations: 63.89 kB / 1.019 GB, free: 9.258 MB / 0.795 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8832/0.8852, allocations: 151.6 MB / 1.167 GB, free: 3.793 MB / 0.8887 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02489/0.9101, allocations: 18.29 MB / 1.185 GB, free: 1.441 MB / 0.9044 GB Notification: Performance of NFInst.instExpressions: time 0.01352/0.9237, allocations: 6.871 MB / 1.192 GB, free: 10.55 MB / 0.92 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001926/0.9256, allocations: 59.88 kB / 1.192 GB, free: 10.49 MB / 0.92 GB Notification: Performance of NFTyping.typeComponents: time 0.004558/0.9302, allocations: 1.488 MB / 1.194 GB, free: 8.996 MB / 0.92 GB Notification: Performance of NFTyping.typeBindings: time 0.004233/0.9345, allocations: 1.467 MB / 1.195 GB, free: 7.523 MB / 0.92 GB Notification: Performance of NFTyping.typeClassSections: time 0.003671/0.9382, allocations: 1.269 MB / 1.196 GB, free: 6.254 MB / 0.92 GB Notification: Performance of NFFlatten.flatten: time 0.00714/0.9453, allocations: 5.472 MB / 1.202 GB, free: 0.7695 MB / 0.92 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01123/0.9566, allocations: 7.119 MB / 1.209 GB, free: 9.543 MB / 0.9356 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004334/0.9609, allocations: 2.388 MB / 1.211 GB, free: 7.148 MB / 0.9356 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005323/0.9663, allocations: 2.98 MB / 1.214 GB, free: 4.16 MB / 0.9356 GB Notification: Performance of NFPackage.collectConstants: time 0.001725/0.968, allocations: 0.5156 MB / 1.214 GB, free: 3.645 MB / 0.9356 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003545/0.9716, allocations: 1.272 MB / 1.215 GB, free: 2.371 MB / 0.9356 GB Notification: Performance of NFScalarize.scalarize: time 0.003817/0.9754, allocations: 2.242 MB / 1.218 GB, free: 128 kB / 0.9356 GB Notification: Performance of NFVerifyModel.verify: time 0.004878/0.9803, allocations: 2.191 MB / 1.22 GB, free: 13.93 MB / 0.9512 GB Notification: Performance of NFConvertDAE.convert: time 0.01181/0.9922, allocations: 7.793 MB / 1.227 GB, free: 6.109 MB / 0.9512 GB Notification: Performance of FrontEnd - DAE generated: time 6.072e-06/0.9922, allocations: 0 / 1.227 GB, free: 6.109 MB / 0.9512 GB Notification: Performance of FrontEnd: time 1.793e-06/0.9922, allocations: 0 / 1.227 GB, free: 6.109 MB / 0.9512 GB Notification: Performance of Transformations before backend: time 0.0002511/0.9925, allocations: 0 / 1.227 GB, free: 6.109 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 0.01153/1.004, allocations: 3.919 MB / 1.231 GB, free: 2.125 MB / 0.9512 GB Notification: Performance of prepare preOptimizeDAE: time 5.024e-05/1.004, allocations: 12.92 kB / 1.231 GB, free: 2.113 MB / 0.9512 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01443/1.019, allocations: 2.429 MB / 1.234 GB, free: 15.68 MB / 0.9669 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005829/1.024, allocations: 2.199 MB / 1.236 GB, free: 13.43 MB / 0.9669 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003383/1.025, allocations: 267.5 kB / 1.236 GB, free: 13.17 MB / 0.9669 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001784/1.027, allocations: 351.9 kB / 1.236 GB, free: 12.83 MB / 0.9669 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02122/1.048, allocations: 7.159 MB / 1.243 GB, free: 5.566 MB / 0.9669 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001591/1.048, allocations: 3.953 kB / 1.243 GB, free: 5.562 MB / 0.9669 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00157/1.05, allocations: 148 kB / 1.244 GB, free: 5.418 MB / 0.9669 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006091/1.05, allocations: 338.1 kB / 1.244 GB, free: 5.086 MB / 0.9669 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02137/1.072, allocations: 7.048 MB / 1.251 GB, free: 14.02 MB / 0.9825 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0484/1.12, allocations: 26.55 MB / 1.277 GB, free: 1.305 MB / 0.9981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01049/1.131, allocations: 4.987 MB / 1.282 GB, free: 12.02 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006753/1.137, allocations: 2.612 MB / 1.284 GB, free: 9.383 MB / 1.014 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003722/1.138, allocations: 131 kB / 1.284 GB, free: 9.234 MB / 1.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.085e-05/1.138, allocations: 68.44 kB / 1.284 GB, free: 9.16 MB / 1.014 GB Notification: Performance of pre-optimization done (n=208): time 4.488e-06/1.138, allocations: 0 / 1.284 GB, free: 9.16 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 0.1165/1.254, allocations: 31.19 MB / 1.315 GB, free: 9.918 MB / 1.045 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000229/1.255, allocations: 239.6 kB / 1.315 GB, free: 9.633 MB / 1.045 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003142/1.258, allocations: 1.469 MB / 1.316 GB, free: 8.156 MB / 1.045 GB Notification: Performance of collectPreVariables (initialization): time 0.0007675/1.259, allocations: 69.7 kB / 1.316 GB, free: 8.082 MB / 1.045 GB Notification: Performance of collectInitialEqns (initialization): time 0.001542/1.26, allocations: 1.55 MB / 1.318 GB, free: 6.516 MB / 1.045 GB Notification: Performance of collectInitialBindings (initialization): time 0.001735/1.262, allocations: 0.9722 MB / 1.319 GB, free: 5.535 MB / 1.045 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00201/1.264, allocations: 0.6321 MB / 1.32 GB, free: 4.895 MB / 1.045 GB Notification: Performance of setup shared object (initialization): time 0.0001501/1.264, allocations: 309 kB / 1.32 GB, free: 4.59 MB / 1.045 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006675/1.271, allocations: 2.682 MB / 1.322 GB, free: 1.898 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007869/1.279, allocations: 3.571 MB / 1.326 GB, free: 13.95 MB / 1.061 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01483/1.294, allocations: 6.399 MB / 1.332 GB, free: 7.148 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.383e-05/1.294, allocations: 8 kB / 1.332 GB, free: 7.141 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 0.03281/1.326, allocations: 11 MB / 1.343 GB, free: 12.04 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 7.965e-05/1.327, allocations: 16 kB / 1.343 GB, free: 12.02 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.388e-05/1.327, allocations: 24 kB / 1.343 GB, free: 12 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02159/1.348, allocations: 5.56 MB / 1.348 GB, free: 6.422 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004889/1.353, allocations: 0.9983 MB / 1.349 GB, free: 5.422 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0517/1.405, allocations: 28.21 MB / 1.377 GB, free: 8.762 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005044/1.41, allocations: 0.5655 MB / 1.377 GB, free: 8.195 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008005/1.411, allocations: 155.9 kB / 1.378 GB, free: 8.043 MB / 1.107 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009972/1.421, allocations: 3.987 MB / 1.382 GB, free: 4.047 MB / 1.107 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007969/1.429, allocations: 3.536 MB / 1.385 GB, free: 132 kB / 1.107 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09615/1.525, allocations: 24.62 MB / 1.409 GB, free: 6.996 MB / 1.139 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.594e-05/1.525, allocations: 8 kB / 1.409 GB, free: 6.988 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 0.03051/1.556, allocations: 10.53 MB / 1.419 GB, free: 12.31 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 5.272e-05/1.556, allocations: 20.06 kB / 1.419 GB, free: 12.29 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.742e-05/1.556, allocations: 31.94 kB / 1.419 GB, free: 12.26 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01639/1.572, allocations: 4.325 MB / 1.424 GB, free: 7.918 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005114/1.577, allocations: 1.041 MB / 1.425 GB, free: 6.875 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04183/1.619, allocations: 27.17 MB / 1.451 GB, free: 10.96 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005031/1.624, allocations: 0.5577 MB / 1.452 GB, free: 10.41 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008155/1.625, allocations: 147.9 kB / 1.452 GB, free: 10.26 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 0.001747/1.627, allocations: 407 kB / 1.452 GB, free: 9.859 MB / 1.186 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001011/1.628, allocations: 210.7 kB / 1.452 GB, free: 9.652 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 0.02974/1.658, allocations: 10.16 MB / 1.462 GB, free: 15.42 MB / 1.201 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.615e-05/1.658, allocations: 35.94 kB / 1.462 GB, free: 15.38 MB / 1.201 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.556e-05/1.658, allocations: 12 kB / 1.462 GB, free: 15.37 MB / 1.201 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.454e-05/1.658, allocations: 15.94 kB / 1.462 GB, free: 15.36 MB / 1.201 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 0.04199/1.7, allocations: 16.3 MB / 1.478 GB, free: 14.8 MB / 1.217 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.294e-05/1.7, allocations: 4 kB / 1.478 GB, free: 14.8 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003841/1.704, allocations: 0.7412 MB / 1.479 GB, free: 14.05 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.02022/1.724, allocations: 5.177 MB / 1.484 GB, free: 8.863 MB / 1.217 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007527/1.725, allocations: 71.95 kB / 1.484 GB, free: 8.793 MB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04997/1.775, allocations: 27.22 MB / 1.511 GB, free: 13.07 MB / 1.248 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.559e-05/1.775, allocations: 15.97 kB / 1.511 GB, free: 13.05 MB / 1.248 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 0.0294/1.804, allocations: 10.15 MB / 1.521 GB, free: 2.668 MB / 1.248 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002356/1.807, allocations: 0.7337 MB / 1.521 GB, free: 1.914 MB / 1.248 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001007/1.808, allocations: 56 kB / 1.521 GB, free: 1.859 MB / 1.248 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00433/1.812, allocations: 0.5108 MB / 1.522 GB, free: 1.348 MB / 1.248 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001223/1.813, allocations: 230.3 kB / 1.522 GB, free: 1.117 MB / 1.248 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0005131/1.814, allocations: 91.95 kB / 1.522 GB, free: 1.027 MB / 1.248 GB Notification: Performance of sorting global known variables: time 0.002355/1.816, allocations: 1.005 MB / 1.523 GB, free: 20 kB / 1.248 GB Notification: Performance of sort global known variables: time 2.01e-07/1.816, allocations: 0 / 1.523 GB, free: 20 kB / 1.248 GB Notification: Performance of remove unused functions: time 0.00953/1.826, allocations: 1.848 MB / 1.525 GB, free: 14.17 MB / 1.264 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 0.0008656/1.827, allocations: 186.8 kB / 1.525 GB, free: 13.98 MB / 1.264 GB Notification: Performance of simCode: created initialization part: time 0.03411/1.861, allocations: 12.47 MB / 1.537 GB, free: 1.398 MB / 1.264 GB Notification: Performance of simCode: created event and clocks part: time 1.646e-05/1.861, allocations: 3.938 kB / 1.537 GB, free: 1.395 MB / 1.264 GB Notification: Performance of simCode: created simulation system equations: time 0.01227/1.873, allocations: 4.406 MB / 1.542 GB, free: 12.95 MB / 1.279 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003524/1.877, allocations: 280.6 kB / 1.542 GB, free: 12.68 MB / 1.279 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03076/1.907, allocations: 9.592 MB / 1.551 GB, free: 2.953 MB / 1.279 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.006105/1.914, allocations: 2.849 MB / 1.554 GB, free: 72 kB / 1.279 GB Notification: Performance of simCode: alias equations: time 0.7917/2.705, allocations: 1.654 MB / 1.556 GB, free: 361.1 MB / 1.279 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008804/2.706, allocations: 170.5 kB / 1.556 GB, free: 361.1 MB / 1.279 GB Notification: Performance of SimCode: time 1.683e-06/2.706, allocations: 0 / 1.556 GB, free: 361.1 MB / 1.279 GB Notification: Performance of Templates: time 0.1064/2.813, allocations: 79.46 MB / 1.633 GB, free: 302.9 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 -s cvode -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)