Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001329/0.001329, allocations: 101.2 kB / 16.27 MB, free: 5.969 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001338/0.001338, allocations: 193.4 kB / 17.2 MB, free: 5.598 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.321/1.321, allocations: 222.9 MB / 240.9 MB, free: 15.19 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7239/0.7239, allocations: 122.9 MB / 413.9 MB, free: 15.91 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002208/0.002208, allocations: 59.91 kB / 0.4912 GB, free: 7.316 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3742/0.3764, allocations: 77.92 MB / 0.5673 GB, free: 32.68 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.0208/0.3973, allocations: 18.14 MB / 0.585 GB, free: 20.55 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.01009/0.4074, allocations: 6.797 MB / 0.5917 GB, free: 15.21 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002094/0.4095, allocations: 57.97 kB / 0.5917 GB, free: 15.2 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.003342/0.4129, allocations: 1.462 MB / 0.5932 GB, free: 14.06 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.003362/0.4163, allocations: 1.42 MB / 0.5946 GB, free: 12.94 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.002841/0.4191, allocations: 1.269 MB / 0.5958 GB, free: 11.94 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.005382/0.4245, allocations: 5.44 MB / 0.6011 GB, free: 8.125 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.005836/0.4304, allocations: 7.199 MB / 0.6081 GB, free: 0.8711 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003273/0.4337, allocations: 2.341 MB / 0.6104 GB, free: 14.52 MB / 462.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.003567/0.4372, allocations: 2.949 MB / 0.6133 GB, free: 11.56 MB / 462.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0007862/0.4381, allocations: 0.5156 MB / 0.6138 GB, free: 11.05 MB / 462.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002394/0.4405, allocations: 1.256 MB / 0.615 GB, free: 9.789 MB / 462.1 MB Notification: Performance of NFScalarize.scalarize: time 0.001885/0.4423, allocations: 2.238 MB / 0.6172 GB, free: 7.547 MB / 462.1 MB Notification: Performance of NFVerifyModel.verify: time 0.002565/0.4449, allocations: 2.171 MB / 0.6193 GB, free: 5.367 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.006547/0.4515, allocations: 7.678 MB / 0.6268 GB, free: 13.67 MB / 478.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.789e-06/0.4515, allocations: 0 / 0.6268 GB, free: 13.67 MB / 478.1 MB Notification: Performance of FrontEnd: time 1.433e-06/0.4515, allocations: 0 / 0.6268 GB, free: 13.67 MB / 478.1 MB Notification: Performance of Transformations before backend: time 0.0001156/0.4516, allocations: 0 / 0.6268 GB, free: 13.67 MB / 478.1 MB 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 0.006668/0.4583, allocations: 3.789 MB / 0.6305 GB, free: 9.82 MB / 478.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.729e-05/0.4584, allocations: 12.03 kB / 0.6306 GB, free: 9.809 MB / 478.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0006712/0.459, allocations: 0.5423 MB / 0.6311 GB, free: 9.258 MB / 478.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01234/0.4714, allocations: 2.403 MB / 0.6334 GB, free: 6.848 MB / 478.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004519/0.476, allocations: 2.147 MB / 0.6355 GB, free: 4.656 MB / 478.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002012/0.4762, allocations: 275.1 kB / 0.6358 GB, free: 4.387 MB / 478.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009488/0.4771, allocations: 355.9 kB / 0.6361 GB, free: 4.039 MB / 478.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01401/0.4912, allocations: 7.118 MB / 0.6431 GB, free: 12.82 MB / 494.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 6.4e-05/0.4912, allocations: 3.938 kB / 0.6431 GB, free: 12.82 MB / 494.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004245/0.4917, allocations: 148 kB / 0.6432 GB, free: 12.67 MB / 494.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004431/0.4921, allocations: 338 kB / 0.6435 GB, free: 12.34 MB / 494.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01529/0.5074, allocations: 7.035 MB / 0.6504 GB, free: 5.293 MB / 494.1 MB 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 0.03408/0.5415, allocations: 26.6 MB / 0.6764 GB, free: 8.516 MB / 0.5137 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007962/0.5495, allocations: 4.996 MB / 0.6813 GB, free: 3.211 MB / 0.5137 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005612/0.5552, allocations: 2.596 MB / 0.6838 GB, free: 0.6016 MB / 0.5137 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000245/0.5554, allocations: 135 kB / 0.6839 GB, free: 464 kB / 0.5137 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.638e-05/0.5555, allocations: 60.5 kB / 0.684 GB, free: 392 kB / 0.5137 GB Notification: Performance of pre-optimization done (n=208): time 3.576e-06/0.5555, allocations: 0 / 0.684 GB, free: 392 kB / 0.5137 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 0.1075/0.663, allocations: 30.91 MB / 0.7142 GB, free: 1.383 MB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001607/0.6632, allocations: 235.6 kB / 0.7144 GB, free: 1.105 MB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002654/0.6658, allocations: 1.423 MB / 0.7158 GB, free: 15.67 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 0.0004738/0.6663, allocations: 73.7 kB / 0.7159 GB, free: 15.59 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.001104/0.6674, allocations: 1.489 MB / 0.7173 GB, free: 14.08 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.001207/0.6686, allocations: 0.9165 MB / 0.7182 GB, free: 13.15 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001571/0.6702, allocations: 0.6279 MB / 0.7188 GB, free: 12.52 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 0.0001281/0.6704, allocations: 305.1 kB / 0.7191 GB, free: 12.21 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006159/0.6765, allocations: 2.69 MB / 0.7217 GB, free: 9.516 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006742/0.6833, allocations: 3.575 MB / 0.7252 GB, free: 5.559 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01292/0.6962, allocations: 6.403 MB / 0.7315 GB, free: 14.75 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.924e-05/0.6963, allocations: 8 kB / 0.7315 GB, free: 14.75 MB / 0.5762 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 0.02919/0.7255, allocations: 11.03 MB / 0.7423 GB, free: 3.613 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 5.007e-05/0.7256, allocations: 16 kB / 0.7423 GB, free: 3.598 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.527e-05/0.7256, allocations: 28 kB / 0.7423 GB, free: 3.57 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.3198/1.045, allocations: 5.56 MB / 0.7477 GB, free: 152.6 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004841/1.05, allocations: 0.9958 MB / 0.7487 GB, free: 152.6 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04202/1.092, allocations: 28.19 MB / 0.7762 GB, free: 138.7 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004415/1.097, allocations: 0.5771 MB / 0.7768 GB, free: 138.6 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006042/1.097, allocations: 150.2 kB / 0.7769 GB, free: 138.6 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006902/1.104, allocations: 3.985 MB / 0.7808 GB, free: 137.3 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005426/1.11, allocations: 3.538 MB / 0.7843 GB, free: 134.9 MB / 0.5762 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07795/1.188, allocations: 24.68 MB / 0.8084 GB, free: 112.3 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.721e-05/1.188, allocations: 15.98 kB / 0.8084 GB, free: 112.3 MB / 0.5762 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 0.02256/1.21, allocations: 10.53 MB / 0.8187 GB, free: 101.7 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 3.239e-05/1.21, allocations: 18.19 kB / 0.8187 GB, free: 101.7 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.869e-05/1.21, allocations: 24 kB / 0.8187 GB, free: 101.7 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01332/1.224, allocations: 4.343 MB / 0.823 GB, free: 97.3 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004114/1.228, allocations: 1.045 MB / 0.824 GB, free: 96.25 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02705/1.255, allocations: 27.11 MB / 0.8505 GB, free: 68.48 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004073/1.259, allocations: 0.5613 MB / 0.851 GB, free: 67.92 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003784/1.259, allocations: 148.9 kB / 0.8512 GB, free: 67.77 MB / 0.5762 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.i1[2] - line2.i3[2] 0.0 = (-line2.i2[1]) - line2.i1[1] - line2.i3[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 0.0009272/1.26, allocations: 401.2 kB / 0.8515 GB, free: 67.39 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006025/1.261, allocations: 197.7 kB / 0.8517 GB, free: 67.2 MB / 0.5762 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 0.02329/1.284, allocations: 10.16 MB / 0.8616 GB, free: 56.97 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.082e-05/1.284, allocations: 31.98 kB / 0.8617 GB, free: 56.94 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.937e-05/1.284, allocations: 16 kB / 0.8617 GB, free: 56.92 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.671e-05/1.284, allocations: 11.95 kB / 0.8617 GB, free: 56.91 MB / 0.5762 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 0.02945/1.314, allocations: 16.3 MB / 0.8776 GB, free: 40.43 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.988e-05/1.314, allocations: 11.94 kB / 0.8776 GB, free: 40.42 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003139/1.317, allocations: 0.7411 MB / 0.8784 GB, free: 39.68 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01619/1.333, allocations: 5.196 MB / 0.8834 GB, free: 34.47 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007441/1.334, allocations: 75.95 kB / 0.8835 GB, free: 34.39 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03113/1.365, allocations: 27.26 MB / 0.9101 GB, free: 6.648 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.005e-06/1.365, allocations: 12.03 kB / 0.9101 GB, free: 6.637 MB / 0.5762 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 0.02263/1.388, allocations: 10.09 MB / 0.92 GB, free: 12.3 MB / 0.5919 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0017/1.39, allocations: 0.7196 MB / 0.9207 GB, free: 11.57 MB / 0.5919 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003749/1.39, allocations: 48 kB / 0.9207 GB, free: 11.52 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003324/1.393, allocations: 0.5148 MB / 0.9212 GB, free: 11 MB / 0.5919 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008083/1.394, allocations: 226.3 kB / 0.9215 GB, free: 10.79 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002201/1.394, allocations: 91.95 kB / 0.9215 GB, free: 10.7 MB / 0.5919 GB Notification: Performance of sorting global known variables: time 0.001412/1.396, allocations: 0.9723 MB / 0.9225 GB, free: 9.719 MB / 0.5919 GB Notification: Performance of sort global known variables: time 2.9e-07/1.396, allocations: 0 / 0.9225 GB, free: 9.719 MB / 0.5919 GB Notification: Performance of remove unused functions: time 0.006037/1.402, allocations: 1.844 MB / 0.9243 GB, free: 7.875 MB / 0.5919 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 0.02437/1.426, allocations: 10.76 MB / 0.9348 GB, free: 12.86 MB / 0.6075 GB Notification: Performance of simCode: created initialization part: time 0.03399/1.46, allocations: 14.39 MB / 0.9488 GB, free: 14.39 MB / 0.6231 GB Notification: Performance of simCode: created event and clocks part: time 1.348e-05/1.46, allocations: 4.375 kB / 0.9489 GB, free: 14.39 MB / 0.6231 GB Notification: Performance of simCode: created simulation system equations: time 0.01136/1.472, allocations: 4.413 MB / 0.9532 GB, free: 9.938 MB / 0.6231 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003192/1.475, allocations: 271.8 kB / 0.9534 GB, free: 9.68 MB / 0.6231 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 0.3761/1.851, allocations: 43.28 MB / 0.9957 GB, free: 215.2 MB / 0.6544 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004374/1.855, allocations: 2.837 MB / 0.9985 GB, free: 214.4 MB / 0.6544 GB Notification: Performance of simCode: alias equations: time 0.005757/1.861, allocations: 1.654 MB / 1 GB, free: 214.3 MB / 0.6544 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001655/1.863, allocations: 1.212 MB / 1.001 GB, free: 214.3 MB / 0.6544 GB Notification: Performance of SimCode: time 8.11e-07/1.863, allocations: 1.594 kB / 1.001 GB, free: 214.3 MB / 0.6544 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1376/2.001, allocations: 101.1 MB / 1.1 GB, free: 139.1 MB / 0.6544 GB Notification: Performance of buildModelFMU: Generate platform static: time 12.57/14.57, allocations: 17.97 kB / 1.1 GB, free: 139.1 MB / 0.6544 GB (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)