Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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/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.UnbalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_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 0.001711/0.001711, allocations: 109.8 kB / 16.41 MB, free: 6.496 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001938/0.001938, allocations: 189.2 kB / 17.34 MB, free: 5.762 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.462/1.462, allocations: 222.9 MB / 241 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.9285/0.9285, allocations: 126.7 MB / 417.9 MB, free: 12.29 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001932/0.001932, allocations: 72.61 kB / 0.5736 GB, free: 27.25 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1555/0.1574, allocations: 78.87 MB / 0.6507 GB, free: 3.633 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02466/0.1821, allocations: 18.26 MB / 0.6685 GB, free: 1.309 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.01283/0.195, allocations: 6.805 MB / 0.6751 GB, free: 10.48 MB / 0.5137 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001767/0.1968, allocations: 63.88 kB / 0.6752 GB, free: 10.42 MB / 0.5137 GB Notification: Performance of NFTyping.typeComponents: time 0.004294/0.2012, allocations: 1.457 MB / 0.6766 GB, free: 8.961 MB / 0.5137 GB Notification: Performance of NFTyping.typeBindings: time 0.003952/0.2052, allocations: 1.432 MB / 0.678 GB, free: 7.523 MB / 0.5137 GB Notification: Performance of NFTyping.typeClassSections: time 0.003762/0.2089, allocations: 1.27 MB / 0.6793 GB, free: 6.254 MB / 0.5137 GB Notification: Performance of NFFlatten.flatten: time 0.007575/0.2165, allocations: 5.461 MB / 0.6846 GB, free: 0.7812 MB / 0.5137 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01409/0.2307, allocations: 7.128 MB / 0.6915 GB, free: 9.543 MB / 0.5294 GB Notification: Performance of NFEvalConstants.evaluate: time 0.006257/0.237, allocations: 2.365 MB / 0.6939 GB, free: 7.172 MB / 0.5294 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00786/0.2449, allocations: 2.972 MB / 0.6968 GB, free: 4.191 MB / 0.5294 GB Notification: Performance of NFPackage.collectConstants: time 0.002235/0.2472, allocations: 0.5156 MB / 0.6973 GB, free: 3.676 MB / 0.5294 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005397/0.2526, allocations: 1.276 MB / 0.6985 GB, free: 2.398 MB / 0.5294 GB Notification: Performance of NFScalarize.scalarize: time 0.006479/0.2591, allocations: 2.238 MB / 0.7007 GB, free: 160 kB / 0.5294 GB Notification: Performance of NFVerifyModel.verify: time 0.007594/0.2668, allocations: 2.202 MB / 0.7028 GB, free: 13.95 MB / 0.545 GB Notification: Performance of NFConvertDAE.convert: time 0.01677/0.2837, allocations: 7.788 MB / 0.7104 GB, free: 6.133 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 9.017e-06/0.2837, allocations: 3.938 kB / 0.7105 GB, free: 6.129 MB / 0.545 GB Notification: Performance of FrontEnd: time 2.024e-06/0.2837, allocations: 0 / 0.7105 GB, free: 6.129 MB / 0.545 GB Notification: Performance of Transformations before backend: time 0.0002115/0.284, allocations: 0 / 0.7105 GB, free: 6.129 MB / 0.545 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 0.01063/0.2946, allocations: 3.915 MB / 0.7143 GB, free: 2.148 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 4.582e-05/0.2947, allocations: 8.625 kB / 0.7143 GB, free: 2.141 MB / 0.545 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0008922/0.2956, allocations: 0.5504 MB / 0.7148 GB, free: 1.582 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01398/0.3096, allocations: 2.425 MB / 0.7172 GB, free: 15.15 MB / 0.5606 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005345/0.3149, allocations: 2.203 MB / 0.7193 GB, free: 12.91 MB / 0.5606 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002618/0.3152, allocations: 267.3 kB / 0.7196 GB, free: 12.64 MB / 0.5606 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001237/0.3165, allocations: 352 kB / 0.7199 GB, free: 12.3 MB / 0.5606 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01735/0.3338, allocations: 7.155 MB / 0.7269 GB, free: 5.039 MB / 0.5606 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.995e-05/0.334, allocations: 3.938 kB / 0.7269 GB, free: 5.035 MB / 0.5606 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005229/0.3345, allocations: 152 kB / 0.7271 GB, free: 4.887 MB / 0.5606 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005141/0.335, allocations: 334.1 kB / 0.7274 GB, free: 4.559 MB / 0.5606 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01864/0.3537, allocations: 7.044 MB / 0.7343 GB, free: 13.5 MB / 0.5762 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 0.3427/0.6965, allocations: 26.59 MB / 0.7602 GB, free: 73.45 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008386/0.7049, allocations: 5 MB / 0.7651 GB, free: 70.75 MB / 0.5762 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006391/0.7113, allocations: 2.612 MB / 0.7677 GB, free: 69.98 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002378/0.7115, allocations: 126.1 kB / 0.7678 GB, free: 69.88 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.155e-05/0.7116, allocations: 65.59 kB / 0.7678 GB, free: 69.82 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=208): time 3.777e-06/0.7116, allocations: 0 / 0.7678 GB, free: 69.82 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=271): time 0.09773/0.8093, allocations: 31.19 MB / 0.7983 GB, free: 51.82 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.659e-05/0.8094, allocations: 239.6 kB / 0.7985 GB, free: 51.54 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001679/0.8111, allocations: 1.476 MB / 0.8 GB, free: 50.06 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 0.0003951/0.8115, allocations: 73.7 kB / 0.8 GB, free: 49.98 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005397/0.8121, allocations: 1.545 MB / 0.8016 GB, free: 48.43 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 0.0006253/0.8127, allocations: 0.9673 MB / 0.8025 GB, free: 47.48 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000939/0.8136, allocations: 0.6321 MB / 0.8031 GB, free: 46.84 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 3.738e-05/0.8137, allocations: 305.1 kB / 0.8034 GB, free: 46.54 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005172/0.8189, allocations: 2.69 MB / 0.806 GB, free: 43.84 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005337/0.8242, allocations: 3.572 MB / 0.8095 GB, free: 39.88 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01063/0.8349, allocations: 6.403 MB / 0.8158 GB, free: 33.09 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.977e-05/0.8349, allocations: 8 kB / 0.8158 GB, free: 33.08 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 0.02552/0.8604, allocations: 11.04 MB / 0.8266 GB, free: 21.94 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 3.767e-05/0.8605, allocations: 20 kB / 0.8266 GB, free: 21.92 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.924e-05/0.8605, allocations: 27.98 kB / 0.8266 GB, free: 21.89 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01825/0.8788, allocations: 5.533 MB / 0.832 GB, free: 16.34 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004375/0.8832, allocations: 0.9945 MB / 0.833 GB, free: 15.34 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04026/0.9235, allocations: 28.21 MB / 0.8605 GB, free: 2.719 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004737/0.9283, allocations: 0.5781 MB / 0.8611 GB, free: 2.141 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00042/0.9287, allocations: 155.9 kB / 0.8612 GB, free: 1.988 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008528/0.9373, allocations: 3.98 MB / 0.8651 GB, free: 14 MB / 0.6075 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007358/0.9446, allocations: 3.524 MB / 0.8686 GB, free: 10.1 MB / 0.6075 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09481/1.039, allocations: 24.62 MB / 0.8926 GB, free: 0.9727 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.96e-05/1.04, allocations: 8 kB / 0.8926 GB, free: 0.9648 MB / 0.6231 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 0.02847/1.068, allocations: 10.54 MB / 0.9029 GB, free: 6.277 MB / 0.6387 GB Notification: Performance of prepare postOptimizeDAE: time 3.825e-05/1.068, allocations: 16 kB / 0.9029 GB, free: 6.262 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.265e-05/1.068, allocations: 27.94 kB / 0.903 GB, free: 6.234 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01613/1.084, allocations: 4.332 MB / 0.9072 GB, free: 1.887 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00492/1.089, allocations: 1.037 MB / 0.9082 GB, free: 0.8477 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03939/1.129, allocations: 27.14 MB / 0.9347 GB, free: 4.992 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004831/1.134, allocations: 0.5654 MB / 0.9353 GB, free: 4.426 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004701/1.134, allocations: 159.9 kB / 0.9354 GB, free: 4.27 MB / 0.67 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 0.000967/1.135, allocations: 393.6 kB / 0.9358 GB, free: 3.879 MB / 0.67 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006325/1.136, allocations: 212.4 kB / 0.936 GB, free: 3.672 MB / 0.67 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 0.02818/1.164, allocations: 10.17 MB / 0.9459 GB, free: 9.43 MB / 0.6856 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.807e-05/1.164, allocations: 31.98 kB / 0.946 GB, free: 9.398 MB / 0.6856 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.238e-05/1.164, allocations: 12 kB / 0.946 GB, free: 9.387 MB / 0.6856 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.35e-05/1.164, allocations: 15.95 kB / 0.946 GB, free: 9.371 MB / 0.6856 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 0.03947/1.204, allocations: 16.27 MB / 0.9619 GB, free: 8.914 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.274e-05/1.204, allocations: 8 kB / 0.9619 GB, free: 8.906 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003695/1.207, allocations: 0.7372 MB / 0.9626 GB, free: 8.168 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01948/1.227, allocations: 5.173 MB / 0.9676 GB, free: 2.98 MB / 0.7012 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005486/1.227, allocations: 67.95 kB / 0.9677 GB, free: 2.914 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0442/1.272, allocations: 27.28 MB / 0.9944 GB, free: 7.141 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.445e-05/1.272, allocations: 16.03 kB / 0.9944 GB, free: 7.125 MB / 0.7325 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 0.02797/1.3, allocations: 10.1 MB / 1.004 GB, free: 12.77 MB / 0.7481 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001939/1.302, allocations: 0.7377 MB / 1.005 GB, free: 12.01 MB / 0.7481 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005026/1.302, allocations: 60 kB / 1.005 GB, free: 11.95 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003704/1.306, allocations: 0.503 MB / 1.006 GB, free: 11.45 MB / 0.7481 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007541/1.307, allocations: 230.4 kB / 1.006 GB, free: 11.22 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002466/1.307, allocations: 99.94 kB / 1.006 GB, free: 11.12 MB / 0.7481 GB Notification: Performance of sorting global known variables: time 0.001639/1.309, allocations: 1.001 MB / 1.007 GB, free: 10.12 MB / 0.7481 GB Notification: Performance of sort global known variables: time 1.5e-07/1.309, allocations: 0 / 1.007 GB, free: 10.12 MB / 0.7481 GB Notification: Performance of remove unused functions: time 0.006069/1.315, allocations: 1.855 MB / 1.009 GB, free: 8.266 MB / 0.7481 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 0.02824/1.343, allocations: 10.77 MB / 1.019 GB, free: 13.24 MB / 0.7637 GB Notification: Performance of simCode: created initialization part: time 0.03259/1.376, allocations: 12.47 MB / 1.031 GB, free: 0.6602 MB / 0.7637 GB Notification: Performance of simCode: created event and clocks part: time 1.173e-05/1.376, allocations: 4 kB / 1.031 GB, free: 0.6562 MB / 0.7637 GB Notification: Performance of simCode: created simulation system equations: time 0.3339/1.709, allocations: 4.426 MB / 1.036 GB, free: 261.9 MB / 0.7637 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003026/1.713, allocations: 285.6 kB / 1.036 GB, free: 261.9 MB / 0.7637 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 0.09864/1.811, allocations: 42.49 MB / 1.077 GB, free: 247.3 MB / 0.7637 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002546/1.814, allocations: 2.847 MB / 1.08 GB, free: 244.7 MB / 0.7637 GB Notification: Performance of simCode: alias equations: time 0.004225/1.818, allocations: 1.662 MB / 1.082 GB, free: 243.1 MB / 0.7637 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001764/1.82, allocations: 1.226 MB / 1.083 GB, free: 241.9 MB / 0.7637 GB Notification: Performance of SimCode: time 1.493e-06/1.82, allocations: 0 / 1.083 GB, free: 241.9 MB / 0.7637 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1378/1.958, allocations: 103.4 MB / 1.184 GB, free: 138.9 MB / 0.7637 GB Notification: Performance of buildModelFMU: Generate platform static: time 17.32/19.27, allocations: 4.812 kB / 1.184 GB, free: 138.9 MB / 0.7637 GB (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file IBPSA_latest_IBPSA.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 IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)