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 0.009786/0.009786, allocations: 95.42 kB / 15.73 MB, free: 6.039 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001543/0.001543, allocations: 204.4 kB / 16.68 MB, free: 5.969 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 / 240.4 MB, free: 4.324 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.822/2.822, allocations: 472.6 MB / 0.7453 GB, free: 4.617 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001235/0.001235, allocations: 59.91 kB / 1.07 GB, free: 9.133 MB / 0.8262 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3166/0.3179, allocations: 159.9 MB / 1.226 GB, free: 9.125 MB / 0.9825 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02201/0.3399, allocations: 18.19 MB / 1.243 GB, free: 6.875 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.01114/0.3511, allocations: 6.819 MB / 1.25 GB, free: 40 kB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.6612/1.012, allocations: 54.52 kB / 1.25 GB, free: 9.223 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.004827/1.017, allocations: 1.449 MB / 1.252 GB, free: 9.223 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.004943/1.022, allocations: 1.418 MB / 1.253 GB, free: 9.148 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.003736/1.026, allocations: 1.267 MB / 1.254 GB, free: 9.125 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.007636/1.034, allocations: 5.434 MB / 1.259 GB, free: 8.973 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008688/1.042, allocations: 7.071 MB / 1.266 GB, free: 7.551 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004885/1.047, allocations: 2.353 MB / 1.269 GB, free: 7.254 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005612/1.053, allocations: 2.954 MB / 1.272 GB, free: 6.91 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.002134/1.055, allocations: 0.5116 MB / 1.272 GB, free: 6.91 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004155/1.059, allocations: 1.255 MB / 1.273 GB, free: 6.844 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.004391/1.064, allocations: 2.242 MB / 1.276 GB, free: 6.133 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.005444/1.069, allocations: 2.164 MB / 1.278 GB, free: 4.746 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.01109/1.08, allocations: 7.748 MB / 1.285 GB, free: 2.477 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 8.195e-06/1.08, allocations: 1.375 kB / 1.285 GB, free: 2.477 MB / 0.9981 GB Notification: Performance of FrontEnd: time 3.106e-06/1.08, allocations: 0 / 1.285 GB, free: 2.477 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 0.0003028/1.081, allocations: 0.6094 kB / 1.285 GB, free: 2.477 MB / 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 0.0112/1.092, allocations: 3.868 MB / 1.289 GB, free: 340 kB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 4.325e-05/1.092, allocations: 13.75 kB / 1.289 GB, free: 336 kB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01425/1.106, allocations: 2.418 MB / 1.291 GB, free: 56 kB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006212/1.112, allocations: 2.19 MB / 1.293 GB, free: 14.95 MB / 1.014 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002602/1.113, allocations: 267.5 kB / 1.294 GB, free: 14.84 MB / 1.014 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001574/1.114, allocations: 344.7 kB / 1.294 GB, free: 14.74 MB / 1.014 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01866/1.133, allocations: 7.137 MB / 1.301 GB, free: 12.36 MB / 1.014 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.902e-05/1.133, allocations: 1.938 kB / 1.301 GB, free: 12.36 MB / 1.014 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006302/1.134, allocations: 149.6 kB / 1.301 GB, free: 12.25 MB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005284/1.134, allocations: 331.9 kB / 1.301 GB, free: 12.21 MB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02052/1.155, allocations: 7.033 MB / 1.308 GB, free: 9.676 MB / 1.014 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 0.03605/1.191, allocations: 26.45 MB / 1.334 GB, free: 2.941 MB / 1.029 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008483/1.199, allocations: 5.006 MB / 1.339 GB, free: 15.5 MB / 1.045 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006012/1.205, allocations: 2.604 MB / 1.342 GB, free: 14.18 MB / 1.045 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002664/1.206, allocations: 130.7 kB / 1.342 GB, free: 14.07 MB / 1.045 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.448e-05/1.206, allocations: 68.05 kB / 1.342 GB, free: 14 MB / 1.045 GB Notification: Performance of pre-optimization done (n=208): time 3.657e-06/1.206, allocations: 0 / 1.342 GB, free: 14 MB / 1.045 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 0.1065/1.312, allocations: 31.14 MB / 1.372 GB, free: 3.004 MB / 1.061 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001565/1.312, allocations: 243.6 kB / 1.372 GB, free: 2.715 MB / 1.061 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002713/1.315, allocations: 1.439 MB / 1.374 GB, free: 1.266 MB / 1.061 GB Notification: Performance of collectPreVariables (initialization): time 0.000782/1.316, allocations: 69.7 kB / 1.374 GB, free: 1.191 MB / 1.061 GB Notification: Performance of collectInitialEqns (initialization): time 0.001111/1.317, allocations: 1.536 MB / 1.375 GB, free: 15.65 MB / 1.076 GB Notification: Performance of collectInitialBindings (initialization): time 0.001332/1.318, allocations: 0.9611 MB / 1.376 GB, free: 14.7 MB / 1.076 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001743/1.32, allocations: 0.6437 MB / 1.377 GB, free: 14.05 MB / 1.076 GB Notification: Performance of setup shared object (initialization): time 0.0001089/1.32, allocations: 301.1 kB / 1.377 GB, free: 13.75 MB / 1.076 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006231/1.327, allocations: 2.694 MB / 1.38 GB, free: 11.05 MB / 1.076 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00677/1.333, allocations: 3.571 MB / 1.383 GB, free: 7.098 MB / 1.076 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01273/1.346, allocations: 6.403 MB / 1.39 GB, free: 312 kB / 1.076 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.312e-05/1.346, allocations: 4 kB / 1.39 GB, free: 308 kB / 1.076 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 0.02846/1.375, allocations: 11.04 MB / 1.4 GB, free: 5.16 MB / 1.092 GB Notification: Performance of prepare postOptimizeDAE: time 5.038e-05/1.375, allocations: 16 kB / 1.4 GB, free: 5.145 MB / 1.092 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.991e-05/1.375, allocations: 24 kB / 1.4 GB, free: 5.121 MB / 1.092 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01972/1.394, allocations: 5.54 MB / 1.406 GB, free: 15.57 MB / 1.107 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004766/1.399, allocations: 0.9945 MB / 1.407 GB, free: 14.57 MB / 1.107 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04534/1.445, allocations: 28.22 MB / 1.434 GB, free: 1.914 MB / 1.123 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005013/1.45, allocations: 0.5733 MB / 1.435 GB, free: 1.34 MB / 1.123 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007049/1.45, allocations: 148 kB / 1.435 GB, free: 1.195 MB / 1.123 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008907/1.459, allocations: 3.993 MB / 1.439 GB, free: 13.2 MB / 1.139 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007001/1.466, allocations: 3.53 MB / 1.442 GB, free: 9.285 MB / 1.139 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08974/1.556, allocations: 24.63 MB / 1.467 GB, free: 164 kB / 1.154 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.884e-05/1.556, allocations: 8 kB / 1.467 GB, free: 156 kB / 1.154 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 0.02694/1.583, allocations: 10.54 MB / 1.477 GB, free: 5.469 MB / 1.17 GB Notification: Performance of prepare postOptimizeDAE: time 4.029e-05/1.583, allocations: 24 kB / 1.477 GB, free: 5.445 MB / 1.17 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.586e-05/1.583, allocations: 27.83 kB / 1.477 GB, free: 5.422 MB / 1.17 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01531/1.599, allocations: 4.336 MB / 1.481 GB, free: 1.07 MB / 1.17 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004898/1.603, allocations: 1.034 MB / 1.482 GB, free: 36 kB / 1.17 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03659/1.64, allocations: 27.12 MB / 1.509 GB, free: 4.219 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005236/1.645, allocations: 0.5615 MB / 1.509 GB, free: 3.656 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001033/1.646, allocations: 152 kB / 1.509 GB, free: 3.508 MB / 1.201 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 0.001626/1.648, allocations: 404.4 kB / 1.51 GB, free: 3.109 MB / 1.201 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000973/1.649, allocations: 206.7 kB / 1.51 GB, free: 2.906 MB / 1.201 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 0.02762/1.677, allocations: 10.17 MB / 1.52 GB, free: 8.672 MB / 1.217 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.942e-05/1.677, allocations: 32.38 kB / 1.52 GB, free: 8.641 MB / 1.217 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.517e-05/1.677, allocations: 12 kB / 1.52 GB, free: 8.629 MB / 1.217 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.151e-05/1.677, allocations: 15.95 kB / 1.52 GB, free: 8.613 MB / 1.217 GB Warning: The linear system: 1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 2 : 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] 3 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 4 : 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] [ -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.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ] = [ -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] ; 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] ] 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 0.03973/1.717, allocations: 16.27 MB / 1.536 GB, free: 8.145 MB / 1.232 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.293e-05/1.717, allocations: 12.91 kB / 1.536 GB, free: 8.133 MB / 1.232 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00377/1.72, allocations: 0.7371 MB / 1.536 GB, free: 7.395 MB / 1.232 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01983/1.74, allocations: 5.173 MB / 1.542 GB, free: 2.207 MB / 1.232 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007933/1.741, allocations: 75.95 kB / 1.542 GB, free: 2.133 MB / 1.232 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04515/1.786, allocations: 27.27 MB / 1.568 GB, free: 6.387 MB / 1.264 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.405e-05/1.786, allocations: 11.98 kB / 1.568 GB, free: 6.375 MB / 1.264 GB 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 postOpt symbolicJacobian (simulation): time 0.02793/1.814, allocations: 10.1 MB / 1.578 GB, free: 12.03 MB / 1.279 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002022/1.816, allocations: 0.7299 MB / 1.579 GB, free: 11.28 MB / 1.279 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009/1.817, allocations: 55.98 kB / 1.579 GB, free: 11.23 MB / 1.279 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004283/1.822, allocations: 0.507 MB / 1.579 GB, free: 10.72 MB / 1.279 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001036/1.823, allocations: 226.3 kB / 1.58 GB, free: 10.5 MB / 1.279 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004672/1.823, allocations: 91.95 kB / 1.58 GB, free: 10.41 MB / 1.279 GB Notification: Performance of sorting global known variables: time 0.001793/1.825, allocations: 0.9762 MB / 1.581 GB, free: 9.426 MB / 1.279 GB Notification: Performance of sort global known variables: time 2.81e-07/1.825, allocations: 3.938 kB / 1.581 GB, free: 9.422 MB / 1.279 GB Notification: Performance of remove unused functions: time 0.00769/1.833, allocations: 1.848 MB / 1.582 GB, free: 7.574 MB / 1.279 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 0.0006074/1.833, allocations: 182.9 kB / 1.583 GB, free: 7.387 MB / 1.279 GB Notification: Performance of simCode: created initialization part: time 0.03195/1.865, allocations: 12.47 MB / 1.595 GB, free: 10.81 MB / 1.295 GB Notification: Performance of simCode: created event and clocks part: time 1.536e-05/1.865, allocations: 0 / 1.595 GB, free: 10.81 MB / 1.295 GB Notification: Performance of simCode: created simulation system equations: time 0.01282/1.878, allocations: 4.433 MB / 1.599 GB, free: 6.34 MB / 1.295 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0041/1.882, allocations: 271.4 kB / 1.599 GB, free: 6.078 MB / 1.295 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02644/1.909, allocations: 9.035 MB / 1.608 GB, free: 12.92 MB / 1.311 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00501/1.914, allocations: 2.84 MB / 1.611 GB, free: 10.05 MB / 1.311 GB Notification: Performance of simCode: alias equations: time 0.005552/1.919, allocations: 1.653 MB / 1.613 GB, free: 8.391 MB / 1.311 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001017/1.92, allocations: 167.3 kB / 1.613 GB, free: 8.227 MB / 1.311 GB Notification: Performance of SimCode: time 9.92e-07/1.92, allocations: 0 / 1.613 GB, free: 8.227 MB / 1.311 GB Notification: Performance of Templates: time 0.122/2.042, allocations: 78.75 MB / 1.69 GB, free: 9.66 MB / 1.389 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)