Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.00136/0.00136, allocations: 104 kB / 16.45 MB, free: 6.449 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.001437/0.001437, allocations: 210.4 kB / 19.43 MB, free: 3.637 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 1.486/1.486, allocations: 230.6 MB / 252.8 MB, free: 9.121 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/package.mo): time 2.8/2.8, allocations: 476.7 MB / 0.7672 GB, free: 5.301 MB / 0.6231 GB " [Timeout remaining time 177] Using package Buildings with version 11.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/package.mo) Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo) Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo) Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo) Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.00202/0.00202, allocations: 67.91 kB / 1.112 GB, free: 1.406 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8022/0.8042, allocations: 169.9 MB / 1.278 GB, free: 13.36 MB / 0.9825 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02545/0.8297, allocations: 18.61 MB / 1.297 GB, free: 10.68 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.01262/0.8423, allocations: 6.936 MB / 1.303 GB, free: 3.723 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001715/0.844, allocations: 67.75 kB / 1.303 GB, free: 3.656 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.004343/0.8483, allocations: 1.492 MB / 1.305 GB, free: 2.16 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.00436/0.8527, allocations: 1.459 MB / 1.306 GB, free: 0.6953 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.004188/0.8569, allocations: 1.267 MB / 1.308 GB, free: 15.43 MB / 1.014 GB Notification: Performance of NFFlatten.flatten: time 0.007068/0.8639, allocations: 5.48 MB / 1.313 GB, free: 9.938 MB / 1.014 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00806/0.872, allocations: 5.185 MB / 1.318 GB, free: 4.641 MB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004048/0.8761, allocations: 2.404 MB / 1.32 GB, free: 2.23 MB / 1.014 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005317/0.8814, allocations: 3.175 MB / 1.323 GB, free: 15.05 MB / 1.029 GB Notification: Performance of NFPackage.collectConstants: time 0.00162/0.883, allocations: 0.5156 MB / 1.324 GB, free: 14.53 MB / 1.029 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003334/0.8863, allocations: 1.291 MB / 1.325 GB, free: 13.24 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 0.003556/0.8899, allocations: 2.296 MB / 1.327 GB, free: 10.94 MB / 1.029 GB Notification: Performance of NFVerifyModel.verify: time 0.004336/0.8942, allocations: 2.202 MB / 1.33 GB, free: 8.727 MB / 1.029 GB Notification: Performance of NFConvertDAE.convert: time 0.01049/0.9047, allocations: 7.792 MB / 1.337 GB, free: 0.9102 MB / 1.029 GB Notification: Performance of FrontEnd - DAE generated: time 5.219e-06/0.9047, allocations: 0 / 1.337 GB, free: 0.9102 MB / 1.029 GB Notification: Performance of FrontEnd: time 2.014e-06/0.9047, allocations: 0 / 1.337 GB, free: 0.9102 MB / 1.029 GB Notification: Performance of Transformations before backend: time 0.0002209/0.9049, allocations: 0 / 1.337 GB, free: 0.9102 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: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.01115/0.9161, allocations: 3.911 MB / 1.341 GB, free: 12.93 MB / 1.045 GB Notification: Performance of prepare preOptimizeDAE: time 5.788e-05/0.9161, allocations: 12.03 kB / 1.341 GB, free: 12.92 MB / 1.045 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001843/0.918, allocations: 0.5542 MB / 1.342 GB, free: 12.36 MB / 1.045 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01455/0.9325, allocations: 2.429 MB / 1.344 GB, free: 9.926 MB / 1.045 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005349/0.9379, allocations: 2.195 MB / 1.346 GB, free: 7.684 MB / 1.045 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003046/0.9382, allocations: 275.2 kB / 1.346 GB, free: 7.414 MB / 1.045 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00164/0.9398, allocations: 348 kB / 1.347 GB, free: 7.074 MB / 1.045 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0186/0.9584, allocations: 7.151 MB / 1.354 GB, free: 15.82 MB / 1.061 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001397/0.9586, allocations: 3.938 kB / 1.354 GB, free: 15.82 MB / 1.061 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001266/0.9598, allocations: 152 kB / 1.354 GB, free: 15.67 MB / 1.061 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000579/0.9604, allocations: 334.1 kB / 1.354 GB, free: 15.34 MB / 1.061 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01825/0.9787, allocations: 7.048 MB / 1.361 GB, free: 8.281 MB / 1.061 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 0.03877/1.017, allocations: 26.59 MB / 1.387 GB, free: 11.51 MB / 1.092 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009382/1.027, allocations: 4.874 MB / 1.392 GB, free: 6.336 MB / 1.092 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006526/1.033, allocations: 2.526 MB / 1.394 GB, free: 3.789 MB / 1.092 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003227/1.034, allocations: 139 kB / 1.394 GB, free: 3.633 MB / 1.092 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.496e-05/1.034, allocations: 60.5 kB / 1.394 GB, free: 3.566 MB / 1.092 GB Notification: Performance of pre-optimization done (n=208): time 4.318e-06/1.034, allocations: 0 / 1.394 GB, free: 3.566 MB / 1.092 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 0.1138/1.148, allocations: 31.11 MB / 1.425 GB, free: 4.383 MB / 1.123 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001466/1.148, allocations: 243.5 kB / 1.425 GB, free: 4.094 MB / 1.123 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002328/1.15, allocations: 1.465 MB / 1.426 GB, free: 2.621 MB / 1.123 GB Notification: Performance of collectPreVariables (initialization): time 0.0004273/1.15, allocations: 81.62 kB / 1.426 GB, free: 2.535 MB / 1.123 GB Notification: Performance of collectInitialEqns (initialization): time 0.001139/1.152, allocations: 1.553 MB / 1.428 GB, free: 0.9688 MB / 1.123 GB Notification: Performance of collectInitialBindings (initialization): time 0.001212/1.153, allocations: 0.9606 MB / 1.429 GB, free: 0 / 1.123 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001443/1.154, allocations: 0.632 MB / 1.43 GB, free: 15.36 MB / 1.139 GB Notification: Performance of setup shared object (initialization): time 0.0001374/1.154, allocations: 313.1 kB / 1.43 GB, free: 15.05 MB / 1.139 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006426/1.161, allocations: 2.686 MB / 1.432 GB, free: 12.36 MB / 1.139 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007288/1.168, allocations: 3.563 MB / 1.436 GB, free: 8.418 MB / 1.139 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01405/1.182, allocations: 6.406 MB / 1.442 GB, free: 1.613 MB / 1.139 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.808e-05/1.182, allocations: 8 kB / 1.442 GB, free: 1.605 MB / 1.139 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 0.03107/1.213, allocations: 10.95 MB / 1.453 GB, free: 6.555 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 4.822e-05/1.213, allocations: 16 kB / 1.453 GB, free: 6.539 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.325e-05/1.213, allocations: 31.98 kB / 1.453 GB, free: 6.508 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02161/1.235, allocations: 5.544 MB / 1.458 GB, free: 0.9453 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005007/1.24, allocations: 0.9867 MB / 1.459 GB, free: 15.95 MB / 1.17 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04844/1.288, allocations: 28.21 MB / 1.487 GB, free: 3.289 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004737/1.293, allocations: 0.5849 MB / 1.487 GB, free: 2.703 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005463/1.294, allocations: 148 kB / 1.488 GB, free: 2.559 MB / 1.186 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008868/1.303, allocations: 3.984 MB / 1.491 GB, free: 14.56 MB / 1.201 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007513/1.31, allocations: 3.528 MB / 1.495 GB, free: 10.65 MB / 1.201 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09489/1.405, allocations: 24.62 MB / 1.519 GB, free: 1.527 MB / 1.217 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.842e-05/1.405, allocations: 8 kB / 1.519 GB, free: 1.52 MB / 1.217 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 0.02843/1.433, allocations: 10.46 MB / 1.529 GB, free: 6.91 MB / 1.232 GB Notification: Performance of prepare postOptimizeDAE: time 4.142e-05/1.433, allocations: 19.94 kB / 1.529 GB, free: 6.891 MB / 1.232 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.456e-05/1.434, allocations: 32.03 kB / 1.529 GB, free: 6.859 MB / 1.232 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01623/1.45, allocations: 4.322 MB / 1.533 GB, free: 2.52 MB / 1.232 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004978/1.455, allocations: 1.037 MB / 1.534 GB, free: 1.48 MB / 1.232 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04106/1.496, allocations: 27.14 MB / 1.561 GB, free: 5.617 MB / 1.264 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004688/1.5, allocations: 0.5576 MB / 1.562 GB, free: 5.059 MB / 1.264 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006886/1.501, allocations: 155.9 kB / 1.562 GB, free: 4.906 MB / 1.264 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 0.00131/1.502, allocations: 408.5 kB / 1.562 GB, free: 4.504 MB / 1.264 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009249/1.503, allocations: 206.7 kB / 1.562 GB, free: 4.301 MB / 1.264 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 0.02919/1.533, allocations: 10.08 MB / 1.572 GB, free: 10.15 MB / 1.279 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.361e-05/1.533, allocations: 28 kB / 1.572 GB, free: 10.12 MB / 1.279 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.079e-05/1.533, allocations: 16 kB / 1.572 GB, free: 10.11 MB / 1.279 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.286e-05/1.533, allocations: 27.81 kB / 1.572 GB, free: 10.08 MB / 1.279 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 0.03923/1.572, allocations: 16.2 MB / 1.588 GB, free: 9.617 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.777e-05/1.572, allocations: 8 kB / 1.588 GB, free: 9.609 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003622/1.576, allocations: 0.734 MB / 1.589 GB, free: 8.875 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0198/1.595, allocations: 5.169 MB / 1.594 GB, free: 3.688 MB / 1.295 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005819/1.596, allocations: 75.95 kB / 1.594 GB, free: 3.613 MB / 1.295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.6228/2.219, allocations: 27.25 MB / 1.62 GB, free: 309.8 MB / 1.311 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.753e-05/2.219, allocations: 15.78 kB / 1.62 GB, free: 309.8 MB / 1.311 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 0.02706/2.246, allocations: 10.02 MB / 1.63 GB, free: 307.1 MB / 1.311 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001671/2.248, allocations: 0.7335 MB / 1.631 GB, free: 306.8 MB / 1.311 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004597/2.248, allocations: 60.3 kB / 1.631 GB, free: 306.8 MB / 1.311 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003572/2.252, allocations: 0.5114 MB / 1.631 GB, free: 306.7 MB / 1.311 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008876/2.253, allocations: 223.3 kB / 1.632 GB, free: 306.7 MB / 1.311 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002285/2.253, allocations: 94.91 kB / 1.632 GB, free: 306.7 MB / 1.311 GB Notification: Performance of sorting global known variables: time 0.001341/2.254, allocations: 1 MB / 1.633 GB, free: 306.3 MB / 1.311 GB Notification: Performance of sort global known variables: time 7e-08/2.254, allocations: 3.031 kB / 1.633 GB, free: 306.3 MB / 1.311 GB Notification: Performance of remove unused functions: time 0.005958/2.26, allocations: 1.85 MB / 1.635 GB, free: 306.1 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 0.02329/2.283, allocations: 10.7 MB / 1.645 GB, free: 302.4 MB / 1.311 GB Notification: Performance of simCode: created initialization part: time 0.02697/2.31, allocations: 12.02 MB / 1.657 GB, free: 297.5 MB / 1.311 GB Notification: Performance of simCode: created event and clocks part: time 1.133e-05/2.31, allocations: 3.594 kB / 1.657 GB, free: 297.5 MB / 1.311 GB Notification: Performance of simCode: created simulation system equations: time 0.01065/2.321, allocations: 4.267 MB / 1.661 GB, free: 293.2 MB / 1.311 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004028/2.325, allocations: 282.8 kB / 1.661 GB, free: 293 MB / 1.311 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. Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv1.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.09253/2.418, allocations: 42.32 MB / 1.703 GB, free: 249.5 MB / 1.311 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003197/2.421, allocations: 2.846 MB / 1.705 GB, free: 246.7 MB / 1.311 GB Notification: Performance of simCode: alias equations: time 0.004181/2.425, allocations: 1.663 MB / 1.707 GB, free: 245 MB / 1.311 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001678/2.427, allocations: 1.226 MB / 1.708 GB, free: 243.8 MB / 1.311 GB Notification: Performance of SimCode: time 1.133e-06/2.427, allocations: 4 kB / 1.708 GB, free: 243.8 MB / 1.311 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1521/2.579, allocations: 104.2 MB / 1.81 GB, free: 140 MB / 1.311 GB Notification: Performance of buildModelFMU: Generate platform static: time 17.11/19.68, allocations: 11.69 kB / 1.81 GB, free: 140 MB / 1.311 GB " [Timeout remaining time 280] (rm -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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_UnbalancedStepDown_YD.fmu > Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 420.0] [Calling os._exit(0), Time elapsed: 25.885634287027642] Failed to read output from testmodel.py, exit status != 0: 19.85861409106292 19.868001506 18.960959759 Calling exit ...