Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_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) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001503/0.001503, allocations: 112.2 kB / 17.54 MB, free: 4.641 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00144/0.00144, allocations: 190.6 kB / 20.71 MB, free: 1.484 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.286/1.286, allocations: 225.6 MB / 249.3 MB, free: 3.164 MB / 190.1 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.454/2.454, allocations: 476.7 MB / 0.7628 GB, free: 15.16 MB / 0.6075 GB " [Timeout remaining time 177] Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.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: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_11_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_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.001786/0.001786, allocations: 63.89 kB / 1.107 GB, free: 5.051 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7735/0.7753, allocations: 168.7 MB / 1.271 GB, free: 7.684 MB / 0.9981 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.01947/0.7948, allocations: 19.2 MB / 1.29 GB, free: 11.25 MB / 1.014 GB Notification: Performance of NFInst.instExpressions: time 0.01156/0.8063, allocations: 7.017 MB / 1.297 GB, free: 6.551 MB / 1.014 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00156/0.8079, allocations: 53.97 kB / 1.297 GB, free: 6.543 MB / 1.014 GB Notification: Performance of NFTyping.typeComponents: time 0.003587/0.8115, allocations: 1.526 MB / 1.299 GB, free: 5.68 MB / 1.014 GB Notification: Performance of NFTyping.typeBindings: time 0.003592/0.8151, allocations: 1.452 MB / 1.3 GB, free: 4.863 MB / 1.014 GB Notification: Performance of NFTyping.typeClassSections: time 0.003164/0.8182, allocations: 1.281 MB / 1.301 GB, free: 4.168 MB / 1.014 GB Notification: Performance of NFFlatten.flatten: time 0.006726/0.8249, allocations: 5.441 MB / 1.307 GB, free: 1.875 MB / 1.014 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004912/0.8299, allocations: 3.282 MB / 1.31 GB, free: 188 kB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004071/0.8339, allocations: 2.377 MB / 1.312 GB, free: 15.11 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005176/0.8391, allocations: 3.153 MB / 1.315 GB, free: 13.87 MB / 1.029 GB Notification: Performance of NFPackage.collectConstants: time 0.001234/0.8403, allocations: 0.5119 MB / 1.316 GB, free: 13.87 MB / 1.029 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002887/0.8432, allocations: 1.278 MB / 1.317 GB, free: 13.6 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 0.002967/0.8462, allocations: 2.298 MB / 1.319 GB, free: 12.68 MB / 1.029 GB Notification: Performance of NFVerifyModel.verify: time 0.003295/0.8495, allocations: 2.168 MB / 1.321 GB, free: 11.28 MB / 1.029 GB Notification: Performance of NFConvertDAE.convert: time 0.009825/0.8593, allocations: 7.744 MB / 1.329 GB, free: 8.883 MB / 1.029 GB Notification: Performance of FrontEnd - DAE generated: time 4.669e-06/0.8593, allocations: 0 / 1.329 GB, free: 8.883 MB / 1.029 GB Notification: Performance of FrontEnd: time 2.234e-06/0.8593, allocations: 0.6562 kB / 1.329 GB, free: 8.883 MB / 1.029 GB Notification: Performance of Transformations before backend: time 0.0001929/0.8595, allocations: 0 / 1.329 GB, free: 8.883 MB / 1.029 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 0.009411/0.8689, allocations: 3.878 MB / 1.333 GB, free: 6.438 MB / 1.029 GB Notification: Performance of prepare preOptimizeDAE: time 3.482e-05/0.869, allocations: 9.094 kB / 1.333 GB, free: 6.438 MB / 1.029 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0008199/0.8698, allocations: 0.5408 MB / 1.333 GB, free: 6.055 MB / 1.029 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01246/0.8822, allocations: 2.425 MB / 1.336 GB, free: 4.883 MB / 1.029 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004437/0.8867, allocations: 2.183 MB / 1.338 GB, free: 3.516 MB / 1.029 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002027/0.8869, allocations: 269.6 kB / 1.338 GB, free: 3.391 MB / 1.029 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006905/0.8876, allocations: 344 kB / 1.338 GB, free: 3.277 MB / 1.029 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01307/0.9006, allocations: 7.13 MB / 1.345 GB, free: 15.21 MB / 1.045 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.679e-05/0.9007, allocations: 2.906 kB / 1.345 GB, free: 15.21 MB / 1.045 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004601/0.9012, allocations: 147.4 kB / 1.345 GB, free: 15.09 MB / 1.045 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004296/0.9016, allocations: 334.7 kB / 1.346 GB, free: 15 MB / 1.045 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01472/0.9163, allocations: 7.033 MB / 1.353 GB, free: 11.45 MB / 1.045 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 0.03427/0.9506, allocations: 26.46 MB / 1.378 GB, free: 4.547 MB / 1.061 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008212/0.9588, allocations: 4.871 MB / 1.383 GB, free: 15.98 MB / 1.076 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005786/0.9646, allocations: 2.526 MB / 1.386 GB, free: 13.43 MB / 1.076 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002239/0.9648, allocations: 131 kB / 1.386 GB, free: 13.29 MB / 1.076 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.832e-05/0.9649, allocations: 64.5 kB / 1.386 GB, free: 13.21 MB / 1.076 GB Notification: Performance of pre-optimization done (n=208): time 3.577e-06/0.9649, allocations: 0 / 1.386 GB, free: 13.21 MB / 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=271): time 0.1014/1.066, allocations: 31.06 MB / 1.416 GB, free: 14.09 MB / 1.107 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001531/1.066, allocations: 247.6 kB / 1.416 GB, free: 13.8 MB / 1.107 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002094/1.068, allocations: 1.424 MB / 1.418 GB, free: 12.37 MB / 1.107 GB Notification: Performance of collectPreVariables (initialization): time 0.0003352/1.069, allocations: 73.7 kB / 1.418 GB, free: 12.29 MB / 1.107 GB Notification: Performance of collectInitialEqns (initialization): time 0.001007/1.07, allocations: 1.534 MB / 1.419 GB, free: 10.74 MB / 1.107 GB Notification: Performance of collectInitialBindings (initialization): time 0.0009256/1.071, allocations: 0.9721 MB / 1.42 GB, free: 9.758 MB / 1.107 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001145/1.072, allocations: 0.636 MB / 1.421 GB, free: 9.113 MB / 1.107 GB Notification: Performance of setup shared object (initialization): time 0.0001135/1.072, allocations: 305.1 kB / 1.421 GB, free: 8.812 MB / 1.107 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005801/1.078, allocations: 2.694 MB / 1.424 GB, free: 6.109 MB / 1.107 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006513/1.084, allocations: 3.575 MB / 1.427 GB, free: 2.156 MB / 1.107 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01243/1.097, allocations: 6.399 MB / 1.434 GB, free: 11.36 MB / 1.123 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.68e-05/1.097, allocations: 12 kB / 1.434 GB, free: 11.35 MB / 1.123 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 0.0274/1.124, allocations: 10.95 MB / 1.444 GB, free: 300 kB / 1.123 GB Notification: Performance of prepare postOptimizeDAE: time 3.254e-05/1.124, allocations: 17.25 kB / 1.444 GB, free: 284 kB / 1.123 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.733e-05/1.124, allocations: 24 kB / 1.444 GB, free: 260 kB / 1.123 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01927/1.144, allocations: 5.54 MB / 1.45 GB, free: 10.69 MB / 1.139 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004332/1.148, allocations: 0.9945 MB / 1.451 GB, free: 9.695 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04304/1.191, allocations: 28.22 MB / 1.478 GB, free: 13.03 MB / 1.17 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004479/1.195, allocations: 0.5772 MB / 1.479 GB, free: 12.45 MB / 1.17 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000358/1.196, allocations: 151.9 kB / 1.479 GB, free: 12.3 MB / 1.17 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008126/1.204, allocations: 3.99 MB / 1.483 GB, free: 8.305 MB / 1.17 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006522/1.21, allocations: 3.528 MB / 1.486 GB, free: 4.398 MB / 1.17 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08603/1.296, allocations: 24.64 MB / 1.51 GB, free: 11.25 MB / 1.201 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.21e-05/1.296, allocations: 8 kB / 1.51 GB, free: 11.24 MB / 1.201 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 0.02556/1.322, allocations: 10.47 MB / 1.521 GB, free: 0.6211 MB / 1.201 GB Notification: Performance of prepare postOptimizeDAE: time 3.98e-05/1.322, allocations: 20.55 kB / 1.521 GB, free: 0.6016 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.448e-05/1.322, allocations: 28 kB / 1.521 GB, free: 0.5742 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0148/1.337, allocations: 4.333 MB / 1.525 GB, free: 12.22 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004466/1.341, allocations: 1.041 MB / 1.526 GB, free: 11.18 MB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03535/1.377, allocations: 27.11 MB / 1.552 GB, free: 15.34 MB / 1.248 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0043/1.381, allocations: 0.5654 MB / 1.553 GB, free: 14.77 MB / 1.248 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003066/1.381, allocations: 148 kB / 1.553 GB, free: 14.63 MB / 1.248 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 0.0008554/1.382, allocations: 404.6 kB / 1.553 GB, free: 14.23 MB / 1.248 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005123/1.383, allocations: 202.8 kB / 1.554 GB, free: 14.03 MB / 1.248 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 0.02563/1.408, allocations: 10.08 MB / 1.563 GB, free: 3.871 MB / 1.248 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.824e-05/1.408, allocations: 24 kB / 1.564 GB, free: 3.848 MB / 1.248 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.702e-05/1.408, allocations: 16 kB / 1.564 GB, free: 3.832 MB / 1.248 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.04e-05/1.408, allocations: 15.95 kB / 1.564 GB, free: 3.816 MB / 1.248 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 0.03427/1.443, allocations: 16.19 MB / 1.579 GB, free: 3.391 MB / 1.264 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.45e-05/1.443, allocations: 8 kB / 1.579 GB, free: 3.383 MB / 1.264 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003198/1.446, allocations: 0.734 MB / 1.58 GB, free: 2.648 MB / 1.264 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01784/1.464, allocations: 5.181 MB / 1.585 GB, free: 13.45 MB / 1.279 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004702/1.464, allocations: 75.95 kB / 1.585 GB, free: 13.38 MB / 1.279 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04065/1.505, allocations: 27.26 MB / 1.612 GB, free: 1.617 MB / 1.295 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.009e-05/1.505, allocations: 12.03 kB / 1.612 GB, free: 1.605 MB / 1.295 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 0.02505/1.53, allocations: 10.02 MB / 1.622 GB, free: 7.336 MB / 1.311 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001837/1.532, allocations: 0.7298 MB / 1.622 GB, free: 6.586 MB / 1.311 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004027/1.532, allocations: 59.98 kB / 1.622 GB, free: 6.527 MB / 1.311 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00343/1.536, allocations: 0.507 MB / 1.623 GB, free: 6.02 MB / 1.311 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007284/1.536, allocations: 226.3 kB / 1.623 GB, free: 5.797 MB / 1.311 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002257/1.536, allocations: 95.94 kB / 1.623 GB, free: 5.703 MB / 1.311 GB Notification: Performance of sorting global known variables: time 0.00158/1.538, allocations: 0.9684 MB / 1.624 GB, free: 4.73 MB / 1.311 GB Notification: Performance of sort global known variables: time 1.3e-07/1.538, allocations: 4 kB / 1.624 GB, free: 4.727 MB / 1.311 GB Notification: Performance of remove unused functions: time 0.005791/1.544, allocations: 1.848 MB / 1.626 GB, free: 2.879 MB / 1.311 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 0.02532/1.569, allocations: 10.67 MB / 1.636 GB, free: 7.945 MB / 1.326 GB Notification: Performance of simCode: created initialization part: time 0.02778/1.597, allocations: 12.03 MB / 1.648 GB, free: 11.81 MB / 1.342 GB Notification: Performance of simCode: created event and clocks part: time 8.185e-06/1.597, allocations: 0 / 1.648 GB, free: 11.81 MB / 1.342 GB Notification: Performance of simCode: created simulation system equations: time 0.01021/1.607, allocations: 4.269 MB / 1.652 GB, free: 7.492 MB / 1.342 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001982/1.609, allocations: 281.4 kB / 1.653 GB, free: 7.227 MB / 1.342 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 0.09094/1.7, allocations: 41.65 MB / 1.693 GB, free: 12.27 MB / 1.389 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003208/1.703, allocations: 2.833 MB / 1.696 GB, free: 9.406 MB / 1.389 GB Notification: Performance of simCode: alias equations: time 0.004173/1.707, allocations: 1.656 MB / 1.698 GB, free: 7.746 MB / 1.389 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001701/1.709, allocations: 1.206 MB / 1.699 GB, free: 6.539 MB / 1.389 GB Notification: Performance of SimCode: time 8.91e-07/1.709, allocations: 4 kB / 1.699 GB, free: 6.535 MB / 1.389 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1688/1.878, allocations: 104.5 MB / 1.801 GB, free: 14.38 MB / 1.498 GB Notification: Performance of buildModelFMU: Generate platform static: time 14.93/16.81, allocations: 4 kB / 1.801 GB, free: 14.38 MB / 1.498 GB " [Timeout remaining time 283] (rm -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1) [Timeout 420.0] [Calling os._exit(0), Time elapsed: 22.196259583004576]