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 11.0.1-master/package.mo", uses=false) Using package Buildings with version 11.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-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: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.008444/0.008449, allocations: 100.7 kB / 15.73 MB, free: 6.027 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001737/0.001737, allocations: 193.1 kB / 16.67 MB, free: 5.961 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.323/1.323, allocations: 222.9 MB / 240.4 MB, free: 4.32 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.55/2.55, allocations: 461.9 MB / 0.7348 GB, free: 14.59 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001386/0.001386, allocations: 63.84 kB / 1.054 GB, free: 7.551 MB / 0.8106 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2883/0.2897, allocations: 157.4 MB / 1.207 GB, free: 10.05 MB / 0.9669 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02036/0.3101, allocations: 18.2 MB / 1.225 GB, free: 7.781 MB / 0.9825 GB Notification: Performance of NFInst.instExpressions: time 0.01099/0.3211, allocations: 6.808 MB / 1.232 GB, free: 0.957 MB / 0.9825 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001591/0.3228, allocations: 55.88 kB / 1.232 GB, free: 0.9023 MB / 0.9825 GB Notification: Performance of NFTyping.typeComponents: time 0.003872/0.3267, allocations: 1.453 MB / 1.233 GB, free: 15.45 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.003435/0.3301, allocations: 1.424 MB / 1.235 GB, free: 14.02 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.003084/0.3332, allocations: 1.265 MB / 1.236 GB, free: 12.75 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.005528/0.3388, allocations: 5.433 MB / 1.241 GB, free: 7.305 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008361/0.3471, allocations: 7.073 MB / 1.248 GB, free: 124 kB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.598/0.9451, allocations: 2.358 MB / 1.25 GB, free: 13.18 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005207/0.9504, allocations: 2.959 MB / 1.253 GB, free: 12.94 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.001208/0.9516, allocations: 0.5126 MB / 1.254 GB, free: 12.94 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002557/0.9542, allocations: 1.252 MB / 1.255 GB, free: 12.94 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.00263/0.9568, allocations: 2.235 MB / 1.257 GB, free: 12.81 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.004918/0.9618, allocations: 2.171 MB / 1.259 GB, free: 12.3 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.01285/0.9746, allocations: 7.724 MB / 1.267 GB, free: 11.66 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 5.861e-06/0.9747, allocations: 0.625 kB / 1.267 GB, free: 11.66 MB / 0.9981 GB Notification: Performance of FrontEnd: time 1.623e-06/0.9747, allocations: 0 / 1.267 GB, free: 11.66 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 0.0002738/0.975, allocations: 0.5312 kB / 1.267 GB, free: 11.66 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 0.01124/0.9862, allocations: 3.784 MB / 1.271 GB, free: 10.26 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 4.109e-05/0.9863, allocations: 10.41 kB / 1.271 GB, free: 10.26 MB / 0.9981 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0009523/0.9872, allocations: 0.5407 MB / 1.271 GB, free: 10.2 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01277/1, allocations: 2.4 MB / 1.273 GB, free: 10.02 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006313/1.006, allocations: 2.175 MB / 1.276 GB, free: 9.566 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003211/1.007, allocations: 271.5 kB / 1.276 GB, free: 9.555 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002054/1.009, allocations: 343.7 kB / 1.276 GB, free: 9.555 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01911/1.028, allocations: 7.133 MB / 1.283 GB, free: 9.184 MB / 0.9981 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.984e-05/1.028, allocations: 5.844 kB / 1.283 GB, free: 9.184 MB / 0.9981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005798/1.029, allocations: 145.8 kB / 1.283 GB, free: 9.184 MB / 0.9981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005664/1.029, allocations: 331.7 kB / 1.284 GB, free: 9.176 MB / 0.9981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01873/1.048, allocations: 7.034 MB / 1.29 GB, free: 8.293 MB / 0.9981 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 0.03688/1.085, allocations: 26.42 MB / 1.316 GB, free: 4.043 MB / 1.014 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008711/1.094, allocations: 4.996 MB / 1.321 GB, free: 0.6562 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005814/1.099, allocations: 2.603 MB / 1.324 GB, free: 15.33 MB / 1.029 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003132/1.1, allocations: 130.7 kB / 1.324 GB, free: 15.23 MB / 1.029 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.08e-05/1.1, allocations: 68.45 kB / 1.324 GB, free: 15.16 MB / 1.029 GB Notification: Performance of pre-optimization done (n=208): time 4.839e-06/1.1, allocations: 1.688 kB / 1.324 GB, free: 15.16 MB / 1.029 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 0.1167/1.217, allocations: 30.91 MB / 1.354 GB, free: 12.92 MB / 1.045 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001141/1.217, allocations: 246.8 kB / 1.354 GB, free: 12.63 MB / 1.045 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002126/1.219, allocations: 1.423 MB / 1.356 GB, free: 11.2 MB / 1.045 GB Notification: Performance of collectPreVariables (initialization): time 0.0005709/1.219, allocations: 73.7 kB / 1.356 GB, free: 11.12 MB / 1.045 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008894/1.22, allocations: 1.485 MB / 1.357 GB, free: 9.625 MB / 1.045 GB Notification: Performance of collectInitialBindings (initialization): time 0.0009884/1.221, allocations: 0.9221 MB / 1.358 GB, free: 8.711 MB / 1.045 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00112/1.222, allocations: 0.6357 MB / 1.359 GB, free: 8.066 MB / 1.045 GB Notification: Performance of setup shared object (initialization): time 9.105e-05/1.223, allocations: 301.1 kB / 1.359 GB, free: 7.77 MB / 1.045 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005349/1.228, allocations: 2.694 MB / 1.362 GB, free: 5.066 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005984/1.234, allocations: 3.57 MB / 1.365 GB, free: 1.125 MB / 1.045 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01369/1.248, allocations: 6.407 MB / 1.371 GB, free: 10.43 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.196e-05/1.248, allocations: 8 kB / 1.371 GB, free: 10.42 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=410) (initialization): time 0.04394/1.292, allocations: 11.03 MB / 1.382 GB, free: 15.54 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 5.358e-05/1.292, allocations: 16 kB / 1.382 GB, free: 15.52 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.939e-05/1.292, allocations: 28 kB / 1.382 GB, free: 15.49 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03125/1.323, allocations: 5.541 MB / 1.388 GB, free: 9.934 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.006481/1.33, allocations: 0.9903 MB / 1.389 GB, free: 8.98 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06745/1.397, allocations: 28.19 MB / 1.416 GB, free: 12.42 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007547/1.405, allocations: 0.5653 MB / 1.417 GB, free: 11.86 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001049/1.406, allocations: 155.9 kB / 1.417 GB, free: 11.7 MB / 1.107 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01275/1.418, allocations: 3.991 MB / 1.421 GB, free: 7.703 MB / 1.107 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.01107/1.43, allocations: 3.545 MB / 1.424 GB, free: 3.797 MB / 1.107 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.1106/1.54, allocations: 24.62 MB / 1.448 GB, free: 10.78 MB / 1.139 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.87e-05/1.54, allocations: 8 kB / 1.448 GB, free: 10.77 MB / 1.139 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 0.02859/1.569, allocations: 10.53 MB / 1.458 GB, free: 308 kB / 1.139 GB Notification: Performance of prepare postOptimizeDAE: time 4.638e-05/1.569, allocations: 20.06 kB / 1.459 GB, free: 288 kB / 1.139 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.306e-05/1.569, allocations: 28 kB / 1.459 GB, free: 260 kB / 1.139 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01623/1.585, allocations: 4.325 MB / 1.463 GB, free: 11.92 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005148/1.59, allocations: 1.04 MB / 1.464 GB, free: 10.92 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03803/1.629, allocations: 27.11 MB / 1.49 GB, free: 15.12 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004997/1.634, allocations: 0.5614 MB / 1.491 GB, free: 14.55 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009035/1.635, allocations: 155.8 kB / 1.491 GB, free: 14.41 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.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 0.001744/1.636, allocations: 399.5 kB / 1.491 GB, free: 14.01 MB / 1.186 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001084/1.637, allocations: 197.6 kB / 1.492 GB, free: 13.82 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 : 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 0.0286/1.666, allocations: 10.15 MB / 1.501 GB, free: 3.594 MB / 1.186 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.252e-05/1.666, allocations: 28 kB / 1.501 GB, free: 3.566 MB / 1.186 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.716e-05/1.666, allocations: 16 kB / 1.501 GB, free: 3.551 MB / 1.186 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.731e-05/1.666, allocations: 15.94 kB / 1.501 GB, free: 3.535 MB / 1.186 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 0.0421/1.708, allocations: 16.27 MB / 1.517 GB, free: 3.074 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.776e-05/1.708, allocations: 11.94 kB / 1.517 GB, free: 3.062 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003585/1.712, allocations: 0.7419 MB / 1.518 GB, free: 2.32 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01901/1.731, allocations: 5.17 MB / 1.523 GB, free: 13.13 MB / 1.217 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008547/1.732, allocations: 79.94 kB / 1.523 GB, free: 13.05 MB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04275/1.775, allocations: 27.23 MB / 1.55 GB, free: 1.344 MB / 1.232 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.139e-05/1.775, allocations: 12 kB / 1.55 GB, free: 1.332 MB / 1.232 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 0.02664/1.801, allocations: 10.11 MB / 1.56 GB, free: 6.98 MB / 1.248 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002183/1.804, allocations: 0.7171 MB / 1.56 GB, free: 6.242 MB / 1.248 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001019/1.805, allocations: 59.94 kB / 1.56 GB, free: 6.184 MB / 1.248 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003978/1.809, allocations: 0.507 MB / 1.561 GB, free: 5.676 MB / 1.248 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009746/1.81, allocations: 230.3 kB / 1.561 GB, free: 5.453 MB / 1.248 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004717/1.81, allocations: 91.95 kB / 1.561 GB, free: 5.363 MB / 1.248 GB Notification: Performance of sorting global known variables: time 0.001888/1.812, allocations: 0.9723 MB / 1.562 GB, free: 4.387 MB / 1.248 GB Notification: Performance of sort global known variables: time 3.31e-07/1.812, allocations: 4 kB / 1.562 GB, free: 4.383 MB / 1.248 GB Notification: Performance of remove unused functions: time 0.008515/1.821, allocations: 1.844 MB / 1.564 GB, free: 2.539 MB / 1.248 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)} 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 Backend phase and start with SimCode phase: time 0.0261/1.847, allocations: 10.75 MB / 1.575 GB, free: 7.535 MB / 1.264 GB Notification: Performance of simCode: created initialization part: time 0.02973/1.876, allocations: 12.46 MB / 1.587 GB, free: 10.96 MB / 1.279 GB Notification: Performance of simCode: created event and clocks part: time 1.024e-05/1.876, allocations: 0 / 1.587 GB, free: 10.96 MB / 1.279 GB Notification: Performance of simCode: created simulation system equations: time 0.01065/1.887, allocations: 4.419 MB / 1.591 GB, free: 6.512 MB / 1.279 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0031/1.89, allocations: 275.1 kB / 1.591 GB, free: 6.246 MB / 1.279 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 simCode: created linear, non-linear and system jacobian parts: time 0.1034/1.994, allocations: 41.61 MB / 1.632 GB, free: 11.36 MB / 1.326 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005236/1.999, allocations: 2.836 MB / 1.635 GB, free: 8.492 MB / 1.326 GB Notification: Performance of simCode: alias equations: time 0.00557/2.004, allocations: 1.66 MB / 1.636 GB, free: 6.828 MB / 1.326 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00261/2.007, allocations: 1.206 MB / 1.637 GB, free: 5.621 MB / 1.326 GB Notification: Performance of SimCode: time 1.553e-06/2.007, allocations: 0 / 1.637 GB, free: 5.621 MB / 1.326 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1695/2.177, allocations: 104.5 MB / 1.74 GB, free: 13.56 MB / 1.436 GB Notification: Performance of buildModelFMU: Generate platform static: time 15.08/17.26, allocations: 12.83 kB / 1.74 GB, free: 13.55 MB / 1.436 GB (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 & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD_res.mat --tempDir=temp_Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1) TODO: How the !@#!# did the simulation report success but simulation result Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD_res.mat does not exist to compare? outputFormat=mat