Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_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 12.0.0-master/package.mo", uses=false) Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/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_latest_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_latest_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 0.001339/0.001339, allocations: 115 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 0.001414/0.001414, allocations: 186.6 kB / 17.35 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 1.431/1.431, allocations: 222.9 MB / 241.1 MB, free: 15.21 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.683/2.683, allocations: 472.7 MB / 0.746 GB, free: 500 kB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.001427/0.001427, allocations: 59.91 kB / 1.07 GB, free: 9.484 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8818/0.8832, allocations: 159.9 MB / 1.226 GB, free: 13.54 MB / 0.9512 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02261/0.9059, allocations: 18.19 MB / 1.244 GB, free: 11.29 MB / 0.9669 GB Notification: Performance of NFInst.instExpressions: time 0.01278/0.9187, allocations: 6.796 MB / 1.251 GB, free: 4.48 MB / 0.9669 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002101/0.9208, allocations: 55.88 kB / 1.251 GB, free: 4.426 MB / 0.9669 GB Notification: Performance of NFTyping.typeComponents: time 0.004159/0.9251, allocations: 1.474 MB / 1.252 GB, free: 2.945 MB / 0.9669 GB Notification: Performance of NFTyping.typeBindings: time 0.004254/0.9293, allocations: 1.447 MB / 1.254 GB, free: 1.492 MB / 0.9669 GB Notification: Performance of NFTyping.typeClassSections: time 0.003749/0.9331, allocations: 1.255 MB / 1.255 GB, free: 244 kB / 0.9669 GB Notification: Performance of NFFlatten.flatten: time 0.006624/0.9397, allocations: 5.445 MB / 1.26 GB, free: 10.78 MB / 0.9825 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01006/0.9498, allocations: 7.073 MB / 1.267 GB, free: 3.594 MB / 0.9825 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004271/0.9541, allocations: 2.365 MB / 1.269 GB, free: 1.223 MB / 0.9825 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005165/0.9593, allocations: 2.961 MB / 1.272 GB, free: 14.25 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.001622/0.9609, allocations: 0.5117 MB / 1.273 GB, free: 13.74 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00355/0.9645, allocations: 1.256 MB / 1.274 GB, free: 12.48 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.00368/0.9682, allocations: 2.238 MB / 1.276 GB, free: 10.24 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.00463/0.9728, allocations: 2.171 MB / 1.278 GB, free: 8.062 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.01061/0.9835, allocations: 7.737 MB / 1.286 GB, free: 312 kB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 7.333e-06/0.9835, allocations: 0 / 1.286 GB, free: 312 kB / 0.9981 GB Notification: Performance of FrontEnd: time 2.224e-06/0.9835, allocations: 0 / 1.286 GB, free: 312 kB / 0.9981 GB Notification: Performance of Transformations before backend: time 0.0002955/0.9838, allocations: 0 / 1.286 GB, free: 312 kB / 0.9981 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 0.01276/0.9966, allocations: 3.872 MB / 1.29 GB, free: 12.37 MB / 1.014 GB Notification: Performance of prepare preOptimizeDAE: time 5.058e-05/0.9967, allocations: 12.03 kB / 1.29 GB, free: 12.36 MB / 1.014 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01361/1.01, allocations: 2.421 MB / 1.292 GB, free: 9.93 MB / 1.014 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005523/1.016, allocations: 2.187 MB / 1.294 GB, free: 7.695 MB / 1.014 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.00028/1.016, allocations: 263.4 kB / 1.295 GB, free: 7.438 MB / 1.014 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00157/1.018, allocations: 355.9 kB / 1.295 GB, free: 7.09 MB / 1.014 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01849/1.036, allocations: 7.126 MB / 1.302 GB, free: 15.86 MB / 1.029 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001452/1.036, allocations: 7.844 kB / 1.302 GB, free: 15.85 MB / 1.029 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001247/1.038, allocations: 144 kB / 1.302 GB, free: 15.71 MB / 1.029 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005374/1.038, allocations: 330 kB / 1.302 GB, free: 15.39 MB / 1.029 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01857/1.057, allocations: 7.039 MB / 1.309 GB, free: 8.332 MB / 1.029 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 0.04078/1.098, allocations: 26.45 MB / 1.335 GB, free: 11.71 MB / 1.061 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009142/1.107, allocations: 5 MB / 1.34 GB, free: 6.418 MB / 1.061 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006235/1.113, allocations: 2.608 MB / 1.342 GB, free: 3.785 MB / 1.061 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003556/1.113, allocations: 131 kB / 1.343 GB, free: 3.637 MB / 1.061 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.68e-05/1.114, allocations: 64.5 kB / 1.343 GB, free: 3.566 MB / 1.061 GB Notification: Performance of pre-optimization done (n=208): time 4.278e-06/1.114, allocations: 0 / 1.343 GB, free: 3.566 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=271): time 0.105/1.219, allocations: 31.15 MB / 1.373 GB, free: 4.352 MB / 1.092 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001405/1.219, allocations: 243.6 kB / 1.373 GB, free: 4.062 MB / 1.092 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002667/1.221, allocations: 1.431 MB / 1.375 GB, free: 2.621 MB / 1.092 GB Notification: Performance of collectPreVariables (initialization): time 0.000544/1.222, allocations: 65.7 kB / 1.375 GB, free: 2.551 MB / 1.092 GB Notification: Performance of collectInitialEqns (initialization): time 0.001146/1.223, allocations: 1.538 MB / 1.376 GB, free: 0.9961 MB / 1.092 GB Notification: Performance of collectInitialBindings (initialization): time 0.001394/1.225, allocations: 0.9605 MB / 1.377 GB, free: 28 kB / 1.092 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001796/1.226, allocations: 0.6438 MB / 1.378 GB, free: 15.37 MB / 1.107 GB Notification: Performance of setup shared object (initialization): time 0.0001085/1.226, allocations: 305.1 kB / 1.378 GB, free: 15.07 MB / 1.107 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006131/1.233, allocations: 2.69 MB / 1.381 GB, free: 12.37 MB / 1.107 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006827/1.239, allocations: 3.571 MB / 1.384 GB, free: 8.422 MB / 1.107 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01373/1.253, allocations: 6.41 MB / 1.39 GB, free: 1.613 MB / 1.107 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.45e-05/1.253, allocations: 8 kB / 1.39 GB, free: 1.605 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 : 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 0.02938/1.283, allocations: 11.04 MB / 1.401 GB, free: 6.465 MB / 1.123 GB Notification: Performance of prepare postOptimizeDAE: time 4.753e-05/1.283, allocations: 17.41 kB / 1.401 GB, free: 6.449 MB / 1.123 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.747e-05/1.283, allocations: 24 kB / 1.401 GB, free: 6.426 MB / 1.123 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02032/1.303, allocations: 5.544 MB / 1.407 GB, free: 0.8672 MB / 1.123 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004521/1.308, allocations: 0.9906 MB / 1.408 GB, free: 15.88 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04619/1.354, allocations: 28.21 MB / 1.435 GB, free: 3.211 MB / 1.154 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005267/1.359, allocations: 0.5771 MB / 1.436 GB, free: 2.633 MB / 1.154 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008897/1.36, allocations: 148 kB / 1.436 GB, free: 2.488 MB / 1.154 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008785/1.369, allocations: 3.991 MB / 1.44 GB, free: 14.49 MB / 1.17 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006712/1.376, allocations: 3.532 MB / 1.443 GB, free: 10.57 MB / 1.17 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08894/1.465, allocations: 24.63 MB / 1.467 GB, free: 1.438 MB / 1.186 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.9e-05/1.465, allocations: 8 kB / 1.467 GB, free: 1.43 MB / 1.186 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 0.02769/1.492, allocations: 10.55 MB / 1.478 GB, free: 6.742 MB / 1.201 GB Notification: Performance of prepare postOptimizeDAE: time 3.741e-05/1.493, allocations: 24 kB / 1.478 GB, free: 6.719 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.441e-05/1.493, allocations: 27.98 kB / 1.478 GB, free: 6.691 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01582/1.508, allocations: 4.321 MB / 1.482 GB, free: 2.348 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004709/1.513, allocations: 1.045 MB / 1.483 GB, free: 1.301 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03804/1.551, allocations: 27.12 MB / 1.509 GB, free: 5.461 MB / 1.232 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004379/1.556, allocations: 0.5576 MB / 1.51 GB, free: 4.902 MB / 1.232 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005952/1.556, allocations: 152 kB / 1.51 GB, free: 4.754 MB / 1.232 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 0.001094/1.557, allocations: 399.4 kB / 1.51 GB, free: 4.355 MB / 1.232 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006858/1.558, allocations: 206.7 kB / 1.511 GB, free: 4.152 MB / 1.232 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 0.02669/1.585, allocations: 10.16 MB / 1.521 GB, free: 9.918 MB / 1.248 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.958e-05/1.585, allocations: 19.95 kB / 1.521 GB, free: 9.898 MB / 1.248 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.215e-06/1.585, allocations: 0 / 1.521 GB, free: 9.898 MB / 1.248 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00178/1.587, allocations: 0.7416 MB / 1.521 GB, free: 9.137 MB / 1.248 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006438/1.587, allocations: 44.38 kB / 1.521 GB, free: 9.094 MB / 1.248 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003704/1.591, allocations: 0.507 MB / 1.522 GB, free: 8.586 MB / 1.248 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008294/1.592, allocations: 285.4 kB / 1.522 GB, free: 8.305 MB / 1.248 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.0239/1.616, allocations: 9.423 MB / 1.531 GB, free: 14.86 MB / 1.264 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.01878/1.635, allocations: 8.907 MB / 1.54 GB, free: 5.871 MB / 1.264 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.005904/1.641, allocations: 2.665 MB / 1.543 GB, free: 3.199 MB / 1.264 GB Notification: Performance of sorting global known variables: time 0.002149/1.643, allocations: 0.9762 MB / 1.544 GB, free: 2.219 MB / 1.264 GB Notification: Performance of Backend: time 6.91e-07/1.643, allocations: 0 / 1.544 GB, free: 2.219 MB / 1.264 GB Notification: Performance of simCode: created initialization part: time 0.0296/1.672, allocations: 10.57 MB / 1.554 GB, free: 7.547 MB / 1.279 GB Notification: Performance of SimCode: time 0.01336/1.686, allocations: 7.343 MB / 1.561 GB, free: 160 kB / 1.279 GB Notification: Performance of Templates: time 0.7399/2.426, allocations: 95.06 MB / 1.654 GB, free: 246.4 MB / 1.279 GB make -j1 -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)