Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.004585/0.004585, allocations: 103.1 kB / 15.74 MB, free: 6.449 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001564/0.001564, allocations: 199.5 kB / 16.68 MB, free: 6.352 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.421/1.421, allocations: 222.9 MB / 240.4 MB, free: 4.293 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002522/0.002522, allocations: 286.5 kB / 290.8 MB, free: 1.891 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.074/1.074, allocations: 178.6 MB / 0.5074 GB, free: 4.48 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.00268/0.00268, allocations: 95.84 kB / 0.6944 GB, free: 3.48 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4694/0.472, allocations: 89.14 MB / 0.7814 GB, free: 13.84 MB / 0.5606 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02529/0.4974, allocations: 18.27 MB / 0.7993 GB, free: 1.672 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.01299/0.5104, allocations: 6.82 MB / 0.8059 GB, free: 12.46 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001904/0.5124, allocations: 55.94 kB / 0.806 GB, free: 12.45 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.004258/0.5167, allocations: 1.469 MB / 0.8074 GB, free: 11.3 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.004116/0.5208, allocations: 1.434 MB / 0.8088 GB, free: 10.16 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.003511/0.5243, allocations: 1.274 MB / 0.8101 GB, free: 9.152 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.006806/0.5312, allocations: 5.462 MB / 0.8154 GB, free: 6.113 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009115/0.5403, allocations: 7.12 MB / 0.8224 GB, free: 2.902 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004194/0.5445, allocations: 2.357 MB / 0.8247 GB, free: 1.551 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00506/0.5496, allocations: 2.968 MB / 0.8276 GB, free: 15.76 MB / 0.5919 GB Notification: Performance of NFPackage.collectConstants: time 0.001034/0.5507, allocations: 0.5143 MB / 0.8281 GB, free: 15.29 MB / 0.5919 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002904/0.5536, allocations: 1.272 MB / 0.8293 GB, free: 14.02 MB / 0.5919 GB Notification: Performance of NFScalarize.scalarize: time 0.002863/0.5565, allocations: 2.25 MB / 0.8315 GB, free: 11.76 MB / 0.5919 GB Notification: Performance of NFVerifyModel.verify: time 0.003258/0.5598, allocations: 2.194 MB / 0.8336 GB, free: 9.559 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.009806/0.5696, allocations: 7.793 MB / 0.8413 GB, free: 1.742 MB / 0.5919 GB Notification: Performance of FrontEnd - DAE generated: time 4.799e-06/0.5696, allocations: 0 / 0.8413 GB, free: 1.742 MB / 0.5919 GB Notification: Performance of FrontEnd: time 1.783e-06/0.5696, allocations: 4 kB / 0.8413 GB, free: 1.738 MB / 0.5919 GB Notification: Performance of Transformations before backend: time 0.0001866/0.5698, allocations: 0 / 0.8413 GB, free: 1.738 MB / 0.5919 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 0.009892/0.5797, allocations: 3.915 MB / 0.8451 GB, free: 13.76 MB / 0.6075 GB Notification: Performance of prepare preOptimizeDAE: time 4.225e-05/0.5798, allocations: 8.031 kB / 0.8451 GB, free: 13.75 MB / 0.6075 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.00125/0.581, allocations: 0.5465 MB / 0.8456 GB, free: 13.2 MB / 0.6075 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01413/0.5952, allocations: 2.433 MB / 0.848 GB, free: 10.76 MB / 0.6075 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005044/0.6003, allocations: 2.199 MB / 0.8501 GB, free: 8.516 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002689/0.6006, allocations: 271.3 kB / 0.8504 GB, free: 8.25 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001264/0.6018, allocations: 348 kB / 0.8507 GB, free: 7.91 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01794/0.6198, allocations: 7.159 MB / 0.8577 GB, free: 0.6484 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001097/0.6199, allocations: 7.938 kB / 0.8577 GB, free: 0.6406 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009074/0.6209, allocations: 148 kB / 0.8579 GB, free: 0.4961 MB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005462/0.6214, allocations: 330.1 kB / 0.8582 GB, free: 176 kB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01876/0.6402, allocations: 7.051 MB / 0.8651 GB, free: 9.113 MB / 0.6231 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 0.0384/0.6786, allocations: 26.59 MB / 0.891 GB, free: 12.33 MB / 0.6544 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009473/0.6881, allocations: 4.996 MB / 0.8959 GB, free: 7.035 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006705/0.6949, allocations: 2.612 MB / 0.8985 GB, free: 4.402 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003012/0.6952, allocations: 127 kB / 0.8986 GB, free: 4.262 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.355e-05/0.6953, allocations: 72.48 kB / 0.8987 GB, free: 4.18 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=208): time 3.918e-06/0.6953, allocations: 0 / 0.8987 GB, free: 4.18 MB / 0.6544 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 0.1132/0.8085, allocations: 31.19 MB / 0.9291 GB, free: 4.926 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001561/0.8087, allocations: 239.6 kB / 0.9293 GB, free: 4.645 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002405/0.8111, allocations: 1.473 MB / 0.9308 GB, free: 3.164 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 0.0004756/0.8116, allocations: 69.7 kB / 0.9309 GB, free: 3.09 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.001245/0.8129, allocations: 1.55 MB / 0.9324 GB, free: 1.523 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.001184/0.8141, allocations: 0.9645 MB / 0.9333 GB, free: 0.5508 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001353/0.8154, allocations: 0.6359 MB / 0.9339 GB, free: 15.91 MB / 0.7012 GB Notification: Performance of setup shared object (initialization): time 0.0001363/0.8156, allocations: 309.1 kB / 0.9342 GB, free: 15.6 MB / 0.7012 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006835/0.8224, allocations: 2.694 MB / 0.9369 GB, free: 12.9 MB / 0.7012 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007875/0.8303, allocations: 3.563 MB / 0.9403 GB, free: 8.953 MB / 0.7012 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01527/0.8456, allocations: 6.399 MB / 0.9466 GB, free: 2.156 MB / 0.7012 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.33e-05/0.8457, allocations: 7.984 kB / 0.9466 GB, free: 2.148 MB / 0.7012 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 0.03216/0.8779, allocations: 11.04 MB / 0.9574 GB, free: 7.008 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 4.842e-05/0.878, allocations: 16 kB / 0.9574 GB, free: 6.992 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.799e-05/0.878, allocations: 24 kB / 0.9574 GB, free: 6.969 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02139/0.8994, allocations: 5.537 MB / 0.9628 GB, free: 1.414 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004655/0.9041, allocations: 0.9906 MB / 0.9638 GB, free: 432 kB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0483/0.9524, allocations: 28.22 MB / 0.9913 GB, free: 3.758 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004865/0.9573, allocations: 0.5732 MB / 0.9919 GB, free: 3.184 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005923/0.9579, allocations: 151.9 kB / 0.992 GB, free: 3.035 MB / 0.7481 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009225/0.9672, allocations: 3.984 MB / 0.9959 GB, free: 15.04 MB / 0.7637 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007549/0.9748, allocations: 3.532 MB / 0.9994 GB, free: 11.13 MB / 0.7637 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09582/1.071, allocations: 24.61 MB / 1.023 GB, free: 2.008 MB / 0.7794 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.689e-05/1.071, allocations: 8 kB / 1.023 GB, free: 2 MB / 0.7794 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 0.02857/1.099, allocations: 10.54 MB / 1.034 GB, free: 7.312 MB / 0.795 GB Notification: Performance of prepare postOptimizeDAE: time 3.452e-05/1.099, allocations: 19.94 kB / 1.034 GB, free: 7.293 MB / 0.795 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.829e-05/1.099, allocations: 24 kB / 1.034 GB, free: 7.27 MB / 0.795 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01644/1.116, allocations: 4.326 MB / 1.038 GB, free: 2.93 MB / 0.795 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004959/1.121, allocations: 1.037 MB / 1.039 GB, free: 1.891 MB / 0.795 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04004/1.161, allocations: 27.15 MB / 1.066 GB, free: 6.012 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004914/1.166, allocations: 0.5537 MB / 1.066 GB, free: 5.457 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006035/1.166, allocations: 155.9 kB / 1.066 GB, free: 5.305 MB / 0.8262 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 0.00101/1.168, allocations: 399.8 kB / 1.067 GB, free: 4.906 MB / 0.8262 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006761/1.168, allocations: 206.7 kB / 1.067 GB, free: 4.703 MB / 0.8262 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 0.3652/1.533, allocations: 10.17 MB / 1.077 GB, free: 253.4 MB / 0.8262 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.442e-05/1.534, allocations: 27.94 kB / 1.077 GB, free: 253.4 MB / 0.8262 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.218e-05/1.534, allocations: 15.02 kB / 1.077 GB, free: 253.4 MB / 0.8262 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.005e-05/1.534, allocations: 13.84 kB / 1.077 GB, free: 253.4 MB / 0.8262 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 0.0342/1.568, allocations: 16.28 MB / 1.093 GB, free: 249.1 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.148e-05/1.568, allocations: 7.781 kB / 1.093 GB, free: 249.1 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003361/1.571, allocations: 0.7318 MB / 1.093 GB, free: 249 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01877/1.59, allocations: 5.17 MB / 1.098 GB, free: 248 MB / 0.8262 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006058/1.591, allocations: 81.89 kB / 1.099 GB, free: 247.9 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0344/1.625, allocations: 27.26 MB / 1.125 GB, free: 229.7 MB / 0.8262 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.998e-06/1.625, allocations: 19.81 kB / 1.125 GB, free: 229.7 MB / 0.8262 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 0.02298/1.648, allocations: 10.11 MB / 1.135 GB, free: 222.3 MB / 0.8262 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001566/1.65, allocations: 0.7321 MB / 1.136 GB, free: 221.7 MB / 0.8262 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004194/1.65, allocations: 55.95 kB / 1.136 GB, free: 221.6 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00341/1.654, allocations: 0.5102 MB / 1.136 GB, free: 221.1 MB / 0.8262 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007136/1.654, allocations: 226.4 kB / 1.137 GB, free: 220.9 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002126/1.655, allocations: 91.95 kB / 1.137 GB, free: 220.8 MB / 0.8262 GB Notification: Performance of sorting global known variables: time 0.00125/1.656, allocations: 1.001 MB / 1.138 GB, free: 219.8 MB / 0.8262 GB Notification: Performance of sort global known variables: time 1.61e-07/1.656, allocations: 3.938 kB / 1.138 GB, free: 219.8 MB / 0.8262 GB Notification: Performance of remove unused functions: time 0.005009/1.661, allocations: 1.857 MB / 1.139 GB, free: 217.9 MB / 0.8262 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 0.02306/1.684, allocations: 10.77 MB / 1.15 GB, free: 206.9 MB / 0.8262 GB Notification: Performance of simCode: created initialization part: time 0.02611/1.71, allocations: 12.48 MB / 1.162 GB, free: 194.3 MB / 0.8262 GB Notification: Performance of simCode: created event and clocks part: time 1.085e-05/1.71, allocations: 3.938 kB / 1.162 GB, free: 194.3 MB / 0.8262 GB Notification: Performance of simCode: created simulation system equations: time 0.009523/1.72, allocations: 4.438 MB / 1.166 GB, free: 189.9 MB / 0.8262 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002485/1.722, allocations: 286.1 kB / 1.167 GB, free: 189.6 MB / 0.8262 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 0.1232/1.845, allocations: 42.51 MB / 1.208 GB, free: 145.8 MB / 0.8262 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004324/1.85, allocations: 2.849 MB / 1.211 GB, free: 142.9 MB / 0.8262 GB Notification: Performance of simCode: alias equations: time 0.006353/1.856, allocations: 1.657 MB / 1.213 GB, free: 141.3 MB / 0.8262 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002336/1.858, allocations: 1.226 MB / 1.214 GB, free: 140 MB / 0.8262 GB Notification: Performance of SimCode: time 2.014e-06/1.858, allocations: 0 / 1.214 GB, free: 140 MB / 0.8262 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1544/2.013, allocations: 103.4 MB / 1.315 GB, free: 37.08 MB / 0.8262 GB Notification: Performance of buildModelFMU: Generate platform static: time 16.19/18.2, allocations: 15.81 kB / 1.315 GB, free: 37.07 MB / 0.8262 GB (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)