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 4.1.0+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 0.001524/0.001524, allocations: 114.3 kB / 18.94 MB, free: 2.934 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 0.001953/0.001953, allocations: 214.8 kB / 22.25 MB, free: 5.078 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 / 256 MB, free: 8.004 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 2.737/2.737, allocations: 476.8 MB / 0.7707 GB, free: 4.277 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.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: 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 0.002115/0.002115, allocations: 68.03 kB / 1.118 GB, free: 39.15 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3531/0.3552, allocations: 170 MB / 1.283 GB, free: 11.32 MB / 0.9825 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02505/0.3803, allocations: 19.21 MB / 1.302 GB, free: 8.055 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.01286/0.3932, allocations: 7.065 MB / 1.309 GB, free: 0.9727 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001902/0.3951, allocations: 67.75 kB / 1.309 GB, free: 0.9062 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.004263/0.3993, allocations: 1.531 MB / 1.311 GB, free: 15.37 MB / 1.014 GB Notification: Performance of NFTyping.typeBindings: time 0.003893/0.4032, allocations: 1.447 MB / 1.312 GB, free: 13.92 MB / 1.014 GB Notification: Performance of NFTyping.typeClassSections: time 0.003524/0.4067, allocations: 1.288 MB / 1.313 GB, free: 12.63 MB / 1.014 GB Notification: Performance of NFFlatten.flatten: time 0.007286/0.414, allocations: 5.449 MB / 1.319 GB, free: 7.168 MB / 1.014 GB Notification: Performance of NFFlatten.resolveConnections: time 0.006019/0.42, allocations: 3.368 MB / 1.322 GB, free: 3.707 MB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004449/0.4245, allocations: 2.396 MB / 1.324 GB, free: 1.305 MB / 1.014 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006087/0.4306, allocations: 3.155 MB / 1.327 GB, free: 14.14 MB / 1.029 GB Notification: Performance of NFPackage.collectConstants: time 0.00195/0.4325, allocations: 0.5117 MB / 1.328 GB, free: 13.63 MB / 1.029 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003947/0.4365, allocations: 1.272 MB / 1.329 GB, free: 12.36 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 0.004183/0.4407, allocations: 2.299 MB / 1.331 GB, free: 10.05 MB / 1.029 GB Notification: Performance of NFVerifyModel.verify: time 0.005043/0.4457, allocations: 2.167 MB / 1.333 GB, free: 7.875 MB / 1.029 GB Notification: Performance of NFConvertDAE.convert: time 0.01061/0.4563, allocations: 7.753 MB / 1.341 GB, free: 100 kB / 1.029 GB Notification: Performance of FrontEnd - DAE generated: time 5.981e-06/0.4563, allocations: 0 / 1.341 GB, free: 100 kB / 1.029 GB Notification: Performance of FrontEnd: time 1.763e-06/0.4563, allocations: 0 / 1.341 GB, free: 100 kB / 1.029 GB Notification: Performance of Transformations before backend: time 0.0002339/0.4566, allocations: 4 kB / 1.341 GB, free: 96 kB / 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 0.0104/0.467, allocations: 3.797 MB / 1.345 GB, free: 12.25 MB / 1.045 GB Notification: Performance of prepare preOptimizeDAE: time 5.051e-05/0.467, allocations: 12.03 kB / 1.345 GB, free: 12.23 MB / 1.045 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001167/0.4682, allocations: 0.5384 MB / 1.345 GB, free: 11.69 MB / 1.045 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01327/0.4814, allocations: 2.413 MB / 1.348 GB, free: 9.27 MB / 1.045 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006376/0.4878, allocations: 2.162 MB / 1.35 GB, free: 7.074 MB / 1.045 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002897/0.4881, allocations: 275.2 kB / 1.35 GB, free: 6.805 MB / 1.045 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001744/0.4899, allocations: 344 kB / 1.35 GB, free: 6.469 MB / 1.045 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01931/0.5092, allocations: 7.13 MB / 1.357 GB, free: 15.23 MB / 1.061 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001035/0.5093, allocations: 11.89 kB / 1.357 GB, free: 15.22 MB / 1.061 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007282/0.51, allocations: 144 kB / 1.357 GB, free: 15.08 MB / 1.061 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005599/0.5105, allocations: 330 kB / 1.358 GB, free: 14.76 MB / 1.061 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01776/0.5283, allocations: 7.031 MB / 1.365 GB, free: 7.715 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 0.04106/0.5694, allocations: 25.99 MB / 1.39 GB, free: 11.61 MB / 1.092 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008961/0.5783, allocations: 3.732 MB / 1.394 GB, free: 7.852 MB / 1.092 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006532/0.5849, allocations: 2.522 MB / 1.396 GB, free: 5.309 MB / 1.092 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003586/0.5852, allocations: 57.94 kB / 1.396 GB, free: 5.25 MB / 1.092 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.691e-05/0.5853, allocations: 60.5 kB / 1.396 GB, free: 5.184 MB / 1.092 GB Notification: Performance of pre-optimization done (n=208): time 4.298e-06/0.5853, allocations: 0 / 1.396 GB, free: 5.184 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 0.111/0.6963, allocations: 30.74 MB / 1.426 GB, free: 6.449 MB / 1.123 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.00017/0.6965, allocations: 235.6 kB / 1.427 GB, free: 6.168 MB / 1.123 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002618/0.6991, allocations: 1.435 MB / 1.428 GB, free: 4.723 MB / 1.123 GB Notification: Performance of collectPreVariables (initialization): time 0.0006319/0.6997, allocations: 69.7 kB / 1.428 GB, free: 4.648 MB / 1.123 GB Notification: Performance of collectInitialEqns (initialization): time 0.001226/0.701, allocations: 1.534 MB / 1.429 GB, free: 3.098 MB / 1.123 GB Notification: Performance of collectInitialBindings (initialization): time 0.001508/0.7025, allocations: 0.9683 MB / 1.43 GB, free: 2.121 MB / 1.123 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002058/0.7045, allocations: 0.636 MB / 1.431 GB, free: 1.477 MB / 1.123 GB Notification: Performance of setup shared object (initialization): time 0.0001309/0.7047, allocations: 301.1 kB / 1.431 GB, free: 1.18 MB / 1.123 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006513/0.7112, allocations: 2.694 MB / 1.434 GB, free: 14.48 MB / 1.139 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007355/0.7185, allocations: 3.575 MB / 1.437 GB, free: 10.52 MB / 1.139 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01391/0.7324, allocations: 6.402 MB / 1.444 GB, free: 3.723 MB / 1.139 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.8e-05/0.7325, allocations: 8 kB / 1.444 GB, free: 3.715 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 0.03037/0.7628, allocations: 10.81 MB / 1.454 GB, free: 8.836 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 5.342e-05/0.7629, allocations: 16 kB / 1.454 GB, free: 8.82 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.729e-05/0.763, allocations: 28 kB / 1.454 GB, free: 8.793 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02085/0.7838, allocations: 5.54 MB / 1.46 GB, free: 3.234 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004594/0.7884, allocations: 0.9945 MB / 1.461 GB, free: 2.238 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04849/0.8369, allocations: 27.89 MB / 1.488 GB, free: 5.977 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005047/0.8419, allocations: 0.5733 MB / 1.488 GB, free: 5.402 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008475/0.8428, allocations: 155.9 kB / 1.489 GB, free: 5.25 MB / 1.186 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01003/0.8528, allocations: 3.98 MB / 1.493 GB, free: 1.262 MB / 1.186 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007829/0.8606, allocations: 3.536 MB / 1.496 GB, free: 13.35 MB / 1.201 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09054/0.9512, allocations: 24.48 MB / 1.52 GB, free: 4.387 MB / 1.217 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.86e-05/0.9512, allocations: 11.94 kB / 1.52 GB, free: 4.375 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 0.02863/0.9799, allocations: 10.18 MB / 1.53 GB, free: 10.12 MB / 1.232 GB Notification: Performance of prepare postOptimizeDAE: time 5.01e-05/0.9799, allocations: 16 kB / 1.53 GB, free: 10.11 MB / 1.232 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.149e-05/0.98, allocations: 28 kB / 1.53 GB, free: 10.08 MB / 1.232 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01593/0.9959, allocations: 4.322 MB / 1.534 GB, free: 5.742 MB / 1.232 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004654/1.001, allocations: 1.045 MB / 1.535 GB, free: 4.695 MB / 1.232 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03809/1.039, allocations: 26.71 MB / 1.561 GB, free: 9.371 MB / 1.264 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004791/1.043, allocations: 0.5499 MB / 1.562 GB, free: 8.82 MB / 1.264 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006945/1.044, allocations: 151.9 kB / 1.562 GB, free: 8.672 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 0.001056/1.045, allocations: 394.1 kB / 1.562 GB, free: 8.281 MB / 1.264 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006746/1.046, allocations: 214.8 kB / 1.562 GB, free: 8.07 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 0.02811/1.074, allocations: 9.929 MB / 1.572 GB, free: 14.1 MB / 1.279 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.13e-05/1.074, allocations: 28 kB / 1.572 GB, free: 14.07 MB / 1.279 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.789e-05/1.074, allocations: 12 kB / 1.572 GB, free: 14.06 MB / 1.279 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.15e-05/1.074, allocations: 11.95 kB / 1.572 GB, free: 14.05 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 0.04038/1.115, allocations: 16.01 MB / 1.588 GB, free: 13.84 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.749e-05/1.115, allocations: 8 kB / 1.588 GB, free: 13.83 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003581/1.118, allocations: 0.7372 MB / 1.589 GB, free: 13.09 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01898/1.137, allocations: 5.169 MB / 1.594 GB, free: 7.906 MB / 1.295 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005619/1.138, allocations: 80.33 kB / 1.594 GB, free: 7.828 MB / 1.295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.7391/1.877, allocations: 26.94 MB / 1.62 GB, free: 287.2 MB / 1.295 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.838e-06/1.877, allocations: 15 kB / 1.62 GB, free: 287.2 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 0.02309/1.9, allocations: 9.87 MB / 1.63 GB, free: 284.3 MB / 1.295 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001822/1.902, allocations: 0.6623 MB / 1.63 GB, free: 284.1 MB / 1.295 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004025/1.902, allocations: 51.5 kB / 1.63 GB, free: 284.1 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003075/1.905, allocations: 0.5098 MB / 1.631 GB, free: 284 MB / 1.295 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007163/1.906, allocations: 241.4 kB / 1.631 GB, free: 284 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001903/1.906, allocations: 92.03 kB / 1.631 GB, free: 284 MB / 1.295 GB Notification: Performance of sorting global known variables: time 0.001174/1.907, allocations: 0.9746 MB / 1.632 GB, free: 283.6 MB / 1.295 GB Notification: Performance of sort global known variables: time 1.1e-07/1.907, allocations: 0 / 1.632 GB, free: 283.6 MB / 1.295 GB Notification: Performance of remove unused functions: time 0.005025/1.912, allocations: 1.844 MB / 1.634 GB, free: 283.4 MB / 1.295 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 0.02143/1.934, allocations: 10.52 MB / 1.644 GB, free: 279.9 MB / 1.295 GB Notification: Performance of simCode: created initialization part: time 0.02445/1.958, allocations: 12.03 MB / 1.656 GB, free: 270.3 MB / 1.295 GB Notification: Performance of simCode: created event and clocks part: time 1.597e-05/1.958, allocations: 5.359 kB / 1.656 GB, free: 270.3 MB / 1.295 GB Notification: Performance of simCode: created simulation system equations: time 0.009116/1.967, allocations: 4.269 MB / 1.66 GB, free: 266 MB / 1.295 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001987/1.969, allocations: 272.8 kB / 1.66 GB, free: 265.8 MB / 1.295 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 0.07671/2.046, allocations: 41.35 MB / 1.701 GB, free: 223.3 MB / 1.295 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002331/2.048, allocations: 2.84 MB / 1.704 GB, free: 220.4 MB / 1.295 GB Notification: Performance of simCode: alias equations: time 0.003692/2.052, allocations: 1.655 MB / 1.705 GB, free: 218.8 MB / 1.295 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001292/2.053, allocations: 1.206 MB / 1.706 GB, free: 217.6 MB / 1.295 GB Notification: Performance of SimCode: time 9.52e-07/2.053, allocations: 4 kB / 1.706 GB, free: 217.6 MB / 1.295 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.142/2.195, allocations: 106.8 MB / 1.811 GB, free: 111.1 MB / 1.295 GB Notification: Performance of buildModelFMU: Generate platform static: time 17.37/19.57, allocations: 7.625 kB / 1.811 GB, free: 111.1 MB / 1.295 GB " [Timeout remaining time 280] (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: 26.290442483001243] Failed to read output from testmodel.py, exit status != 0: 20.307351321998794 19.747386642 19.287181827 Calling exit ...