Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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.BalancedStepUp.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.BalancedStepUp.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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.BalancedStepUp.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001909/0.001909, allocations: 111.8 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 0.001767/0.001767, allocations: 185.7 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 1.419/1.419, allocations: 222.9 MB / 241.1 MB, free: 15.18 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 2.509/2.509, allocations: 437 MB / 0.7112 GB, free: 4.398 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.001558/0.001558, allocations: 63.91 kB / 1.019 GB, free: 9.324 MB / 0.795 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.075/1.077, allocations: 151.6 MB / 1.167 GB, free: 3.82 MB / 0.8887 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02287/1.1, allocations: 18.19 MB / 1.185 GB, free: 1.566 MB / 0.9044 GB Notification: Performance of NFInst.instExpressions: time 0.01331/1.113, allocations: 6.797 MB / 1.192 GB, free: 10.75 MB / 0.92 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002355/1.116, allocations: 59.88 kB / 1.192 GB, free: 10.69 MB / 0.92 GB Notification: Performance of NFTyping.typeComponents: time 0.004542/1.12, allocations: 1.461 MB / 1.193 GB, free: 9.223 MB / 0.92 GB Notification: Performance of NFTyping.typeBindings: time 0.004661/1.125, allocations: 1.451 MB / 1.195 GB, free: 7.766 MB / 0.92 GB Notification: Performance of NFTyping.typeClassSections: time 0.003863/1.129, allocations: 1.265 MB / 1.196 GB, free: 6.5 MB / 0.92 GB Notification: Performance of NFFlatten.flatten: time 0.007548/1.136, allocations: 5.445 MB / 1.201 GB, free: 1.043 MB / 0.92 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01306/1.15, allocations: 7.06 MB / 1.208 GB, free: 9.875 MB / 0.9356 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0058/1.155, allocations: 2.369 MB / 1.21 GB, free: 7.5 MB / 0.9356 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005985/1.161, allocations: 2.949 MB / 1.213 GB, free: 4.543 MB / 0.9356 GB Notification: Performance of NFPackage.collectConstants: time 0.002142/1.164, allocations: 0.5117 MB / 1.214 GB, free: 4.031 MB / 0.9356 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00433/1.168, allocations: 1.272 MB / 1.215 GB, free: 2.758 MB / 0.9356 GB Notification: Performance of NFScalarize.scalarize: time 0.005232/1.173, allocations: 2.238 MB / 1.217 GB, free: 0.5156 MB / 0.9356 GB Notification: Performance of NFVerifyModel.verify: time 0.00779/1.181, allocations: 2.167 MB / 1.219 GB, free: 14.34 MB / 0.9512 GB Notification: Performance of NFConvertDAE.convert: time 0.0146/1.196, allocations: 7.754 MB / 1.227 GB, free: 6.562 MB / 0.9512 GB Notification: Performance of FrontEnd - DAE generated: time 7.454e-06/1.196, allocations: 8 kB / 1.227 GB, free: 6.555 MB / 0.9512 GB Notification: Performance of FrontEnd: time 2.184e-06/1.196, allocations: 0 / 1.227 GB, free: 6.555 MB / 0.9512 GB Notification: Performance of Transformations before backend: time 0.0002901/1.196, allocations: 0 / 1.227 GB, free: 6.555 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 0.01345/1.21, allocations: 3.868 MB / 1.231 GB, free: 2.621 MB / 0.9512 GB Notification: Performance of prepare preOptimizeDAE: time 5.209e-05/1.21, allocations: 12.86 kB / 1.231 GB, free: 2.609 MB / 0.9512 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01458/1.224, allocations: 2.433 MB / 1.233 GB, free: 176 kB / 0.9512 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007025/1.231, allocations: 2.187 MB / 1.235 GB, free: 13.94 MB / 0.9669 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004418/1.232, allocations: 267.4 kB / 1.236 GB, free: 13.68 MB / 0.9669 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00237/1.234, allocations: 343.9 kB / 1.236 GB, free: 13.34 MB / 0.9669 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02233/1.257, allocations: 7.13 MB / 1.243 GB, free: 6.105 MB / 0.9669 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001889/1.257, allocations: 4 kB / 1.243 GB, free: 6.102 MB / 0.9669 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001612/1.258, allocations: 144 kB / 1.243 GB, free: 5.961 MB / 0.9669 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006522/1.259, allocations: 338 kB / 1.243 GB, free: 5.629 MB / 0.9669 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02006/1.279, allocations: 7.035 MB / 1.25 GB, free: 14.58 MB / 0.9825 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04457/1.324, allocations: 26.48 MB / 1.276 GB, free: 1.926 MB / 0.9981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009455/1.333, allocations: 4.979 MB / 1.281 GB, free: 12.65 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00638/1.34, allocations: 2.612 MB / 1.283 GB, free: 10.01 MB / 1.014 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003546/1.34, allocations: 127 kB / 1.284 GB, free: 9.867 MB / 1.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.98e-05/1.34, allocations: 68.48 kB / 1.284 GB, free: 9.793 MB / 1.014 GB Notification: Performance of pre-optimization done (n=208): time 4.478e-06/1.34, allocations: 0 / 1.284 GB, free: 9.793 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 0.1118/1.452, allocations: 31.12 MB / 1.314 GB, free: 10.61 MB / 1.045 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001431/1.452, allocations: 239.6 kB / 1.314 GB, free: 10.33 MB / 1.045 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002792/1.455, allocations: 1.427 MB / 1.316 GB, free: 8.891 MB / 1.045 GB Notification: Performance of collectPreVariables (initialization): time 0.0006262/1.456, allocations: 73.7 kB / 1.316 GB, free: 8.812 MB / 1.045 GB Notification: Performance of collectInitialEqns (initialization): time 0.001383/1.457, allocations: 1.542 MB / 1.317 GB, free: 7.254 MB / 1.045 GB Notification: Performance of collectInitialBindings (initialization): time 0.001467/1.458, allocations: 0.9606 MB / 1.318 GB, free: 6.285 MB / 1.045 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002079/1.461, allocations: 0.6398 MB / 1.319 GB, free: 5.637 MB / 1.045 GB Notification: Performance of setup shared object (initialization): time 0.0001199/1.461, allocations: 305.1 kB / 1.319 GB, free: 5.336 MB / 1.045 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006668/1.467, allocations: 2.701 MB / 1.322 GB, free: 2.625 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007739/1.475, allocations: 3.567 MB / 1.325 GB, free: 14.68 MB / 1.061 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01432/1.489, allocations: 6.399 MB / 1.331 GB, free: 7.883 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.058e-05/1.49, allocations: 4 kB / 1.331 GB, free: 7.879 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 0.0313/1.521, allocations: 11 MB / 1.342 GB, free: 12.77 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 4.474e-05/1.521, allocations: 18.19 kB / 1.342 GB, free: 12.76 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.111e-05/1.521, allocations: 32.55 kB / 1.342 GB, free: 12.73 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02103/1.542, allocations: 5.563 MB / 1.348 GB, free: 7.148 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004912/1.547, allocations: 0.9945 MB / 1.349 GB, free: 6.152 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04851/1.596, allocations: 28.22 MB / 1.376 GB, free: 9.484 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005147/1.601, allocations: 0.5771 MB / 1.377 GB, free: 8.906 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008107/1.602, allocations: 148 kB / 1.377 GB, free: 8.762 MB / 1.107 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009469/1.611, allocations: 3.984 MB / 1.381 GB, free: 4.77 MB / 1.107 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007527/1.619, allocations: 3.54 MB / 1.384 GB, free: 0.8477 MB / 1.107 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09429/1.713, allocations: 24.63 MB / 1.408 GB, free: 7.703 MB / 1.139 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.651e-05/1.713, allocations: 8 kB / 1.408 GB, free: 7.695 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 0.02998/1.743, allocations: 10.54 MB / 1.419 GB, free: 13.01 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 4.289e-05/1.743, allocations: 16 kB / 1.419 GB, free: 13 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.375e-05/1.743, allocations: 31.98 kB / 1.419 GB, free: 12.96 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01625/1.759, allocations: 4.325 MB / 1.423 GB, free: 8.621 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005075/1.764, allocations: 1.045 MB / 1.424 GB, free: 7.574 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04021/1.805, allocations: 27.16 MB / 1.45 GB, free: 11.68 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004862/1.81, allocations: 0.5499 MB / 1.451 GB, free: 11.12 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006956/1.81, allocations: 151.9 kB / 1.451 GB, free: 10.98 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 0.001328/1.812, allocations: 402.3 kB / 1.451 GB, free: 10.58 MB / 1.186 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007819/1.812, allocations: 206.7 kB / 1.452 GB, free: 10.38 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 0.02773/1.84, allocations: 10.17 MB / 1.462 GB, free: 136 kB / 1.186 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.091e-05/1.84, allocations: 15.95 kB / 1.462 GB, free: 120 kB / 1.186 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.285e-06/1.84, allocations: 0 / 1.462 GB, free: 120 kB / 1.186 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001851/1.842, allocations: 0.7415 MB / 1.462 GB, free: 15.36 MB / 1.201 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007826/1.843, allocations: 44 kB / 1.462 GB, free: 15.31 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003942/1.847, allocations: 0.5031 MB / 1.463 GB, free: 14.81 MB / 1.201 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008144/1.848, allocations: 293.3 kB / 1.463 GB, free: 14.52 MB / 1.201 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.02457/1.872, allocations: 9.415 MB / 1.472 GB, free: 5.078 MB / 1.201 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.01886/1.891, allocations: 8.907 MB / 1.481 GB, free: 12.09 MB / 1.217 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.005796/1.897, allocations: 2.666 MB / 1.484 GB, free: 9.422 MB / 1.217 GB Notification: Performance of sorting global known variables: time 0.001795/1.899, allocations: 0.9762 MB / 1.485 GB, free: 8.441 MB / 1.217 GB Notification: Performance of Backend: time 2.024e-06/1.899, allocations: 0 / 1.485 GB, free: 8.441 MB / 1.217 GB Notification: Performance of simCode: created initialization part: time 0.02812/1.927, allocations: 10.58 MB / 1.495 GB, free: 13.76 MB / 1.232 GB Notification: Performance of SimCode: time 0.01511/1.942, allocations: 7.325 MB / 1.502 GB, free: 6.379 MB / 1.232 GB Notification: Performance of Templates: time 0.7606/2.703, allocations: 95.19 MB / 1.595 GB, free: 346.4 MB / 1.279 GB make -j1 -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.makefile (rm -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & ./Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)