Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.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/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.BalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_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 0.001601/0.001601, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001823/0.001823, allocations: 194.4 kB / 16.53 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.477/1.477, allocations: 222.9 MB / 240.2 MB, free: 4.387 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002559/0.002559, allocations: 283 kB / 290.7 MB, free: 1.996 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.111/1.111, allocations: 178.5 MB / 0.5073 GB, free: 4.609 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002723/0.002724, allocations: 99.06 kB / 0.6066 GB, free: 24.63 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1661/0.1688, allocations: 89.14 MB / 0.6936 GB, free: 4.215 MB / 494.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02411/0.193, allocations: 18.17 MB / 0.7114 GB, free: 1.984 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.0125/0.2055, allocations: 6.793 MB / 0.718 GB, free: 11.17 MB / 0.5137 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001885/0.2074, allocations: 55.88 kB / 0.7181 GB, free: 11.11 MB / 0.5137 GB Notification: Performance of NFTyping.typeComponents: time 0.004491/0.212, allocations: 1.471 MB / 0.7195 GB, free: 9.637 MB / 0.5137 GB Notification: Performance of NFTyping.typeBindings: time 0.00429/0.2163, allocations: 1.416 MB / 0.7209 GB, free: 8.215 MB / 0.5137 GB Notification: Performance of NFTyping.typeClassSections: time 0.003706/0.22, allocations: 1.27 MB / 0.7221 GB, free: 6.945 MB / 0.5137 GB Notification: Performance of NFFlatten.flatten: time 0.006892/0.227, allocations: 5.445 MB / 0.7274 GB, free: 1.488 MB / 0.5137 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009925/0.2369, allocations: 7.186 MB / 0.7345 GB, free: 10.2 MB / 0.5294 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004429/0.2414, allocations: 2.349 MB / 0.7368 GB, free: 7.84 MB / 0.5294 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005173/0.2466, allocations: 2.953 MB / 0.7396 GB, free: 4.879 MB / 0.5294 GB Notification: Performance of NFPackage.collectConstants: time 0.001568/0.2483, allocations: 0.5117 MB / 0.7401 GB, free: 4.367 MB / 0.5294 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003017/0.2513, allocations: 1.26 MB / 0.7414 GB, free: 3.105 MB / 0.5294 GB Notification: Performance of NFScalarize.scalarize: time 0.002949/0.2543, allocations: 2.23 MB / 0.7435 GB, free: 0.8711 MB / 0.5294 GB Notification: Performance of NFVerifyModel.verify: time 0.003784/0.258, allocations: 2.171 MB / 0.7457 GB, free: 14.69 MB / 0.545 GB Notification: Performance of NFConvertDAE.convert: time 0.009843/0.2679, allocations: 7.686 MB / 0.7532 GB, free: 6.984 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 7.404e-06/0.268, allocations: 0 / 0.7532 GB, free: 6.984 MB / 0.545 GB Notification: Performance of FrontEnd: time 2.435e-06/0.268, allocations: 0 / 0.7532 GB, free: 6.984 MB / 0.545 GB Notification: Performance of Transformations before backend: time 0.0002561/0.2682, allocations: 4 kB / 0.7532 GB, free: 6.98 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: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01007/0.2783, allocations: 3.78 MB / 0.7569 GB, free: 3.141 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 4.428e-05/0.2784, allocations: 12.03 kB / 0.7569 GB, free: 3.129 MB / 0.545 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001015/0.2794, allocations: 0.5384 MB / 0.7574 GB, free: 2.582 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0135/0.2929, allocations: 2.407 MB / 0.7598 GB, free: 172 kB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.3046/0.5975, allocations: 2.143 MB / 0.7618 GB, free: 61.38 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002931/0.5978, allocations: 269.9 kB / 0.7621 GB, free: 61.26 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001508/0.5994, allocations: 342.5 kB / 0.7624 GB, free: 61.16 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01721/0.6166, allocations: 7.125 MB / 0.7694 GB, free: 58.8 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001039/0.6167, allocations: 3.172 kB / 0.7694 GB, free: 58.8 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006204/0.6174, allocations: 151.8 kB / 0.7695 GB, free: 58.7 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007704/0.6182, allocations: 333.6 kB / 0.7699 GB, free: 58.66 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01724/0.6354, allocations: 7.037 MB / 0.7767 GB, free: 56.65 MB / 0.545 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 0.03216/0.6676, allocations: 26.61 MB / 0.8027 GB, free: 35.11 MB / 0.545 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008047/0.6757, allocations: 4.991 MB / 0.8076 GB, free: 31.71 MB / 0.545 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005479/0.6812, allocations: 2.594 MB / 0.8101 GB, free: 30.41 MB / 0.545 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002691/0.6815, allocations: 131.8 kB / 0.8102 GB, free: 30.31 MB / 0.545 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.841e-05/0.6815, allocations: 66.28 kB / 0.8103 GB, free: 30.24 MB / 0.545 GB Notification: Performance of pre-optimization done (n=208): time 4.819e-06/0.6815, allocations: 0 / 0.8103 GB, free: 30.24 MB / 0.545 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 0.09635/0.7779, allocations: 30.89 MB / 0.8405 GB, free: 2.301 MB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.374e-05/0.778, allocations: 239.5 kB / 0.8407 GB, free: 2.023 MB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001747/0.7797, allocations: 1.435 MB / 0.8421 GB, free: 0.5781 MB / 0.545 GB Notification: Performance of collectPreVariables (initialization): time 0.0004476/0.7802, allocations: 73.7 kB / 0.8422 GB, free: 0.5 MB / 0.545 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009884/0.7812, allocations: 1.481 MB / 0.8436 GB, free: 15 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.001236/0.7824, allocations: 0.9231 MB / 0.8445 GB, free: 14.09 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001302/0.7837, allocations: 0.6357 MB / 0.8451 GB, free: 13.44 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 0.0001326/0.7839, allocations: 305.1 kB / 0.8454 GB, free: 13.14 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00646/0.7904, allocations: 2.694 MB / 0.8481 GB, free: 10.44 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007692/0.7981, allocations: 3.571 MB / 0.8516 GB, free: 6.484 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01412/0.8122, allocations: 6.406 MB / 0.8578 GB, free: 15.68 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.769e-05/0.8123, allocations: 11.94 kB / 0.8578 GB, free: 15.67 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 0.03106/0.8433, allocations: 11.02 MB / 0.8686 GB, free: 4.555 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 4.311e-05/0.8434, allocations: 16 kB / 0.8686 GB, free: 4.539 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.175e-05/0.8435, allocations: 28.03 kB / 0.8686 GB, free: 4.512 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02101/0.8645, allocations: 5.563 MB / 0.8741 GB, free: 14.93 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004565/0.8691, allocations: 0.9983 MB / 0.875 GB, free: 13.93 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04724/0.9163, allocations: 28.2 MB / 0.9026 GB, free: 1.301 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004509/0.9209, allocations: 0.5653 MB / 0.9031 GB, free: 0.7344 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004626/0.9214, allocations: 152 kB / 0.9033 GB, free: 0.5859 MB / 0.6075 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008398/0.9298, allocations: 3.987 MB / 0.9072 GB, free: 12.59 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007383/0.9372, allocations: 3.536 MB / 0.9106 GB, free: 8.676 MB / 0.6231 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09977/1.037, allocations: 24.68 MB / 0.9347 GB, free: 15.5 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.464e-05/1.037, allocations: 8 kB / 0.9347 GB, free: 15.49 MB / 0.6544 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 0.02797/1.065, allocations: 10.52 MB / 0.945 GB, free: 4.812 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 3.299e-05/1.065, allocations: 16 kB / 0.945 GB, free: 4.797 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.424e-05/1.065, allocations: 27.94 kB / 0.945 GB, free: 4.77 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01577/1.081, allocations: 4.355 MB / 0.9493 GB, free: 412 kB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004882/1.086, allocations: 1.041 MB / 0.9503 GB, free: 15.36 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03996/1.126, allocations: 27.1 MB / 0.9768 GB, free: 3.547 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005143/1.131, allocations: 0.5536 MB / 0.9773 GB, free: 2.992 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006469/1.132, allocations: 152 kB / 0.9775 GB, free: 2.844 MB / 0.6856 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 0.001097/1.133, allocations: 395.8 kB / 0.9778 GB, free: 2.449 MB / 0.6856 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007129/1.134, allocations: 197.7 kB / 0.978 GB, free: 2.254 MB / 0.6856 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 0.02918/1.163, allocations: 10.16 MB / 0.988 GB, free: 8.023 MB / 0.7012 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.414e-05/1.163, allocations: 35.69 kB / 0.988 GB, free: 7.992 MB / 0.7012 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.323e-05/1.163, allocations: 12 kB / 0.988 GB, free: 7.98 MB / 0.7012 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.577e-05/1.163, allocations: 15.95 kB / 0.988 GB, free: 7.965 MB / 0.7012 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 0.04022/1.203, allocations: 16.3 MB / 1.004 GB, free: 7.469 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.812e-05/1.203, allocations: 8 kB / 1.004 GB, free: 7.461 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003662/1.207, allocations: 0.738 MB / 1.005 GB, free: 6.723 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01957/1.227, allocations: 5.193 MB / 1.01 GB, free: 1.516 MB / 0.7169 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005399/1.227, allocations: 71.95 kB / 1.01 GB, free: 1.445 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04485/1.272, allocations: 27.27 MB / 1.036 GB, free: 5.664 MB / 0.7481 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.258e-05/1.272, allocations: 19.97 kB / 1.036 GB, free: 5.645 MB / 0.7481 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 0.3591/1.631, allocations: 10.08 MB / 1.046 GB, free: 244.8 MB / 0.7481 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001898/1.633, allocations: 0.7194 MB / 1.047 GB, free: 244.7 MB / 0.7481 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005653/1.634, allocations: 58.97 kB / 1.047 GB, free: 244.7 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003668/1.637, allocations: 0.5055 MB / 1.048 GB, free: 244.7 MB / 0.7481 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007701/1.638, allocations: 228.9 kB / 1.048 GB, free: 244.7 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002398/1.638, allocations: 91.16 kB / 1.048 GB, free: 244.7 MB / 0.7481 GB Notification: Performance of sorting global known variables: time 0.001515/1.64, allocations: 0.9714 MB / 1.049 GB, free: 244.6 MB / 0.7481 GB Notification: Performance of sort global known variables: time 2.41e-07/1.64, allocations: 2.188 kB / 1.049 GB, free: 244.6 MB / 0.7481 GB Notification: Performance of remove unused functions: time 0.005955/1.646, allocations: 1.844 MB / 1.051 GB, free: 244.6 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 0.02678/1.673, allocations: 10.75 MB / 1.061 GB, free: 242.9 MB / 0.7481 GB Notification: Performance of simCode: created initialization part: time 0.03468/1.707, allocations: 14.39 MB / 1.075 GB, free: 238.9 MB / 0.7481 GB Notification: Performance of simCode: created event and clocks part: time 1.464e-05/1.707, allocations: 1.469 kB / 1.075 GB, free: 238.9 MB / 0.7481 GB Notification: Performance of simCode: created simulation system equations: time 0.0103/1.718, allocations: 4.415 MB / 1.079 GB, free: 237.4 MB / 0.7481 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002445/1.72, allocations: 271.6 kB / 1.08 GB, free: 237.3 MB / 0.7481 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 0.08394/1.804, allocations: 43.27 MB / 1.122 GB, free: 202 MB / 0.7481 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00243/1.806, allocations: 2.837 MB / 1.125 GB, free: 199.2 MB / 0.7481 GB Notification: Performance of simCode: alias equations: time 0.004743/1.811, allocations: 1.649 MB / 1.126 GB, free: 197.6 MB / 0.7481 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001475/1.813, allocations: 1.21 MB / 1.128 GB, free: 196.4 MB / 0.7481 GB Notification: Performance of SimCode: time 1.042e-06/1.813, allocations: 0 / 1.128 GB, free: 196.4 MB / 0.7481 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.2098/2.023, allocations: 101.2 MB / 1.226 GB, free: 95.66 MB / 0.7481 GB Notification: Performance of buildModelFMU: Generate platform static: time 13.37/15.4, allocations: 12.64 kB / 1.226 GB, free: 95.66 MB / 0.7481 GB (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file BuildingSystems_BuildingSystems.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 BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)