Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_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 9.1.3-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.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_9_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_9_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 0.008706/0.008706, allocations: 97.81 kB / 15.73 MB, free: 5.961 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002103/0.002103, allocations: 195.3 kB / 16.67 MB, free: 5.883 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.55/1.55, allocations: 222.9 MB / 240.4 MB, free: 15.08 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.391/2.391, allocations: 390.2 MB / 0.6648 GB, free: 0.6211 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.00145/0.00145, allocations: 59.89 kB / 0.9509 GB, free: 7.512 MB / 0.7325 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.053/1.054, allocations: 140.4 MB / 1.088 GB, free: 5.492 MB / 0.8575 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.0269/1.081, allocations: 18.19 MB / 1.106 GB, free: 9.379 MB / 0.8731 GB Notification: Performance of NFInst.instExpressions: time 0.01496/1.096, allocations: 6.792 MB / 1.112 GB, free: 4.754 MB / 0.8731 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002941/1.099, allocations: 56.72 kB / 1.112 GB, free: 4.746 MB / 0.8731 GB Notification: Performance of NFTyping.typeComponents: time 0.004841/1.104, allocations: 1.469 MB / 1.114 GB, free: 3.871 MB / 0.8731 GB Notification: Performance of NFTyping.typeBindings: time 0.005682/1.11, allocations: 1.447 MB / 1.115 GB, free: 3.059 MB / 0.8731 GB Notification: Performance of NFTyping.typeClassSections: time 0.004353/1.114, allocations: 1.267 MB / 1.117 GB, free: 2.371 MB / 0.8731 GB Notification: Performance of NFFlatten.flatten: time 0.009184/1.123, allocations: 5.44 MB / 1.122 GB, free: 84 kB / 0.8731 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01078/1.134, allocations: 7.081 MB / 1.129 GB, free: 13.29 MB / 0.8887 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00631/1.141, allocations: 2.368 MB / 1.131 GB, free: 12.22 MB / 0.8887 GB Notification: Performance of NFSimplifyModel.simplify: time 0.007514/1.148, allocations: 2.957 MB / 1.134 GB, free: 10.98 MB / 0.8887 GB Notification: Performance of NFPackage.collectConstants: time 0.002682/1.151, allocations: 0.5114 MB / 1.134 GB, free: 10.98 MB / 0.8887 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004851/1.156, allocations: 1.265 MB / 1.136 GB, free: 10.71 MB / 0.8887 GB Notification: Performance of NFScalarize.scalarize: time 0.005718/1.162, allocations: 2.238 MB / 1.138 GB, free: 9.855 MB / 0.8887 GB Notification: Performance of NFVerifyModel.verify: time 0.009646/1.171, allocations: 2.176 MB / 1.14 GB, free: 8.445 MB / 0.8887 GB Notification: Performance of NFConvertDAE.convert: time 0.01622/1.187, allocations: 7.752 MB / 1.148 GB, free: 5.492 MB / 0.8887 GB Notification: Performance of FrontEnd - DAE generated: time 5.64e-06/1.187, allocations: 0 / 1.148 GB, free: 5.492 MB / 0.8887 GB Notification: Performance of FrontEnd: time 3.587e-06/1.187, allocations: 1.438 kB / 1.148 GB, free: 5.492 MB / 0.8887 GB Notification: Performance of Transformations before backend: time 0.0002994/1.188, allocations: 7.938 kB / 1.148 GB, free: 5.484 MB / 0.8887 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 0.02216/1.21, allocations: 3.872 MB / 1.151 GB, free: 2.855 MB / 0.8887 GB Notification: Performance of prepare preOptimizeDAE: time 5.602e-05/1.21, allocations: 9.906 kB / 1.151 GB, free: 2.855 MB / 0.8887 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01508/1.225, allocations: 2.425 MB / 1.154 GB, free: 1.688 MB / 0.8887 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.008984/1.234, allocations: 2.187 MB / 1.156 GB, free: 328 kB / 0.8887 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0005684/1.235, allocations: 262.1 kB / 1.156 GB, free: 208 kB / 0.8887 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.003485/1.238, allocations: 351.6 kB / 1.156 GB, free: 84 kB / 0.8887 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02785/1.266, allocations: 7.123 MB / 1.163 GB, free: 12.02 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001152/1.266, allocations: 6.312 kB / 1.163 GB, free: 12.02 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009128/1.267, allocations: 147 kB / 1.164 GB, free: 11.91 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000617/1.268, allocations: 328 kB / 1.164 GB, free: 11.82 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02423/1.292, allocations: 7.035 MB / 1.171 GB, free: 8.262 MB / 0.9044 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05507/1.347, allocations: 26.46 MB / 1.197 GB, free: 12.45 MB / 0.9356 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01054/1.358, allocations: 4.996 MB / 1.201 GB, free: 7.148 MB / 0.9356 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.007564/1.365, allocations: 2.608 MB / 1.204 GB, free: 4.523 MB / 0.9356 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004954/1.366, allocations: 139 kB / 1.204 GB, free: 4.371 MB / 0.9356 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0002287/1.366, allocations: 60.5 kB / 1.204 GB, free: 4.301 MB / 0.9356 GB Notification: Performance of pre-optimization done (n=208): time 4.608e-06/1.366, allocations: 0 / 1.204 GB, free: 4.301 MB / 0.9356 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 0.1199/1.486, allocations: 31.14 MB / 1.235 GB, free: 5.094 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001621/1.486, allocations: 239.6 kB / 1.235 GB, free: 4.812 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002841/1.489, allocations: 1.431 MB / 1.236 GB, free: 3.371 MB / 0.9669 GB Notification: Performance of collectPreVariables (initialization): time 0.000857/1.49, allocations: 73.7 kB / 1.236 GB, free: 3.293 MB / 0.9669 GB Notification: Performance of collectInitialEqns (initialization): time 0.001286/1.491, allocations: 1.53 MB / 1.238 GB, free: 1.746 MB / 0.9669 GB Notification: Performance of collectInitialBindings (initialization): time 0.00164/1.493, allocations: 0.9644 MB / 1.239 GB, free: 0.7734 MB / 0.9669 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002188/1.495, allocations: 0.636 MB / 1.239 GB, free: 132 kB / 0.9669 GB Notification: Performance of setup shared object (initialization): time 0.0001437/1.495, allocations: 309.1 kB / 1.24 GB, free: 15.82 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006796/1.502, allocations: 2.69 MB / 1.242 GB, free: 13.12 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007324/1.51, allocations: 3.575 MB / 1.246 GB, free: 9.172 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01429/1.524, allocations: 6.399 MB / 1.252 GB, free: 2.375 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.057e-05/1.524, allocations: 8 kB / 1.252 GB, free: 2.367 MB / 0.9825 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 0.03311/1.557, allocations: 11 MB / 1.263 GB, free: 7.262 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 5.207e-05/1.557, allocations: 16 kB / 1.263 GB, free: 7.246 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.458e-05/1.557, allocations: 24 kB / 1.263 GB, free: 7.223 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02132/1.578, allocations: 5.564 MB / 1.268 GB, free: 1.641 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004945/1.583, allocations: 0.9945 MB / 1.269 GB, free: 0.6445 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04786/1.631, allocations: 28.2 MB / 1.297 GB, free: 3.984 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005394/1.637, allocations: 0.581 MB / 1.297 GB, free: 3.402 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009023/1.638, allocations: 147.9 kB / 1.297 GB, free: 3.258 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01034/1.648, allocations: 3.988 MB / 1.301 GB, free: 15.26 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007969/1.656, allocations: 3.536 MB / 1.305 GB, free: 11.35 MB / 1.045 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09453/1.751, allocations: 24.63 MB / 1.329 GB, free: 2.207 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.438e-05/1.751, allocations: 8 kB / 1.329 GB, free: 2.199 MB / 1.061 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 0.02896/1.78, allocations: 10.55 MB / 1.339 GB, free: 7.5 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 4.796e-05/1.78, allocations: 18.03 kB / 1.339 GB, free: 7.484 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.157e-05/1.78, allocations: 28 kB / 1.339 GB, free: 7.457 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01635/1.796, allocations: 4.33 MB / 1.343 GB, free: 3.113 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005222/1.801, allocations: 1.041 MB / 1.344 GB, free: 2.07 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04023/1.842, allocations: 27.15 MB / 1.371 GB, free: 6.188 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005049/1.847, allocations: 0.5537 MB / 1.372 GB, free: 5.633 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007418/1.848, allocations: 155.9 kB / 1.372 GB, free: 5.48 MB / 1.107 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 0.001426/1.849, allocations: 405.1 kB / 1.372 GB, free: 5.082 MB / 1.107 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008889/1.85, allocations: 206.7 kB / 1.372 GB, free: 4.879 MB / 1.107 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 0.02834/1.878, allocations: 10.17 MB / 1.382 GB, free: 10.63 MB / 1.123 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.8e-05/1.878, allocations: 28 kB / 1.382 GB, free: 10.61 MB / 1.123 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.231e-05/1.878, allocations: 12 kB / 1.382 GB, free: 10.59 MB / 1.123 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.527e-05/1.878, allocations: 19.94 kB / 1.382 GB, free: 10.57 MB / 1.123 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 0.0448/1.923, allocations: 16.31 MB / 1.398 GB, free: 10.02 MB / 1.139 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.998e-05/1.923, allocations: 11.94 kB / 1.398 GB, free: 10.01 MB / 1.139 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003736/1.927, allocations: 0.7297 MB / 1.399 GB, free: 9.281 MB / 1.139 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01962/1.947, allocations: 5.181 MB / 1.404 GB, free: 4.086 MB / 1.139 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0009914/1.948, allocations: 75.95 kB / 1.404 GB, free: 4.012 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04473/1.993, allocations: 27.23 MB / 1.431 GB, free: 8.281 MB / 1.17 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.076e-05/1.993, allocations: 12.03 kB / 1.431 GB, free: 8.27 MB / 1.17 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 0.02815/2.021, allocations: 10.15 MB / 1.441 GB, free: 13.88 MB / 1.186 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00262/2.023, allocations: 0.726 MB / 1.441 GB, free: 13.13 MB / 1.186 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009389/2.024, allocations: 56 kB / 1.441 GB, free: 13.07 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004296/2.029, allocations: 0.5108 MB / 1.442 GB, free: 12.56 MB / 1.186 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001229/2.03, allocations: 234.3 kB / 1.442 GB, free: 12.34 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0005397/2.03, allocations: 87.95 kB / 1.442 GB, free: 12.25 MB / 1.186 GB Notification: Performance of sorting global known variables: time 0.002423/2.033, allocations: 0.9723 MB / 1.443 GB, free: 11.27 MB / 1.186 GB Notification: Performance of sort global known variables: time 1.8e-07/2.033, allocations: 0 / 1.443 GB, free: 11.27 MB / 1.186 GB Notification: Performance of remove unused functions: time 0.01048/2.043, allocations: 1.844 MB / 1.445 GB, free: 9.43 MB / 1.186 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 0.001006/2.044, allocations: 190.8 kB / 1.445 GB, free: 9.234 MB / 1.186 GB Notification: Performance of simCode: created initialization part: time 0.03263/2.077, allocations: 12.47 MB / 1.457 GB, free: 12.65 MB / 1.201 GB Notification: Performance of simCode: created event and clocks part: time 1.461e-05/2.077, allocations: 4 kB / 1.457 GB, free: 12.64 MB / 1.201 GB Notification: Performance of simCode: created simulation system equations: time 0.01174/2.089, allocations: 4.402 MB / 1.462 GB, free: 8.195 MB / 1.201 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003534/2.092, allocations: 280.8 kB / 1.462 GB, free: 7.926 MB / 1.201 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02804/2.121, allocations: 9.52 MB / 1.471 GB, free: 14.29 MB / 1.217 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00423/2.125, allocations: 2.844 MB / 1.474 GB, free: 11.41 MB / 1.217 GB Notification: Performance of simCode: alias equations: time 0.005101/2.13, allocations: 1.645 MB / 1.475 GB, free: 9.758 MB / 1.217 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000846/2.131, allocations: 171.3 kB / 1.476 GB, free: 9.59 MB / 1.217 GB Notification: Performance of SimCode: time 7.72e-07/2.131, allocations: 4 kB / 1.476 GB, free: 9.586 MB / 1.217 GB Notification: Performance of Templates: time 0.1143/2.245, allocations: 78.8 MB / 1.553 GB, free: 10.93 MB / 1.295 GB make -j1 -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.makefile (rm -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & ./Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)