Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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.UnbalancedStepUp.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_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 0.005157/0.005157, allocations: 98.25 kB / 15.73 MB, free: 6.445 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001134/0.001134, allocations: 196.6 kB / 16.68 MB, free: 6.352 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.29/1.29, allocations: 222.9 MB / 240.4 MB, free: 4.301 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002116/0.002116, allocations: 274.5 kB / 290.8 MB, free: 1.902 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.928/0.928, allocations: 169.3 MB / 0.4983 GB, free: 13.79 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001706/0.001706, allocations: 104 kB / 0.6811 GB, free: 15.87 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1408/0.1426, allocations: 86.97 MB / 0.766 GB, free: 8.832 MB / 0.5606 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.3309/0.4735, allocations: 18.26 MB / 0.7838 GB, free: 7.184 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.01002/0.4835, allocations: 6.864 MB / 0.7905 GB, free: 2.535 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001495/0.4851, allocations: 59.75 kB / 0.7906 GB, free: 2.527 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.003304/0.4884, allocations: 1.46 MB / 0.792 GB, free: 1.664 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.003263/0.4917, allocations: 1.433 MB / 0.7934 GB, free: 0.8594 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.003108/0.4948, allocations: 1.303 MB / 0.7947 GB, free: 160 kB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.005879/0.5007, allocations: 5.472 MB / 0.8 GB, free: 13.84 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008616/0.5093, allocations: 7.115 MB / 0.807 GB, free: 11.1 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003988/0.5134, allocations: 2.388 MB / 0.8093 GB, free: 10.02 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005048/0.5184, allocations: 2.962 MB / 0.8122 GB, free: 8.789 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.001277/0.5197, allocations: 0.5135 MB / 0.8127 GB, free: 8.789 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003022/0.5228, allocations: 1.277 MB / 0.814 GB, free: 8.508 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.003341/0.5261, allocations: 2.242 MB / 0.8162 GB, free: 7.648 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.004623/0.5308, allocations: 2.191 MB / 0.8183 GB, free: 6.23 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.0114/0.5422, allocations: 7.804 MB / 0.8259 GB, free: 1.23 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 5.06e-06/0.5422, allocations: 3.938 kB / 0.8259 GB, free: 1.227 MB / 0.5762 GB Notification: Performance of FrontEnd: time 1.523e-06/0.5422, allocations: 0 / 0.8259 GB, free: 1.227 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 0.0001839/0.5424, allocations: 1.156 kB / 0.8259 GB, free: 1.227 MB / 0.5762 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 0.00852/0.551, allocations: 3.907 MB / 0.8297 GB, free: 14.57 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 3.942e-05/0.551, allocations: 8.969 kB / 0.8297 GB, free: 14.57 MB / 0.5919 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0008073/0.5518, allocations: 0.5423 MB / 0.8303 GB, free: 14.19 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01265/0.5645, allocations: 2.371 MB / 0.8326 GB, free: 13.05 MB / 0.5919 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006057/0.5706, allocations: 2.199 MB / 0.8347 GB, free: 11.67 MB / 0.5919 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002095/0.5708, allocations: 272.1 kB / 0.835 GB, free: 11.54 MB / 0.5919 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001219/0.572, allocations: 346.1 kB / 0.8353 GB, free: 11.43 MB / 0.5919 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01534/0.5874, allocations: 7.119 MB / 0.8423 GB, free: 5.555 MB / 0.5919 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.361e-05/0.5875, allocations: 11.92 kB / 0.8423 GB, free: 5.543 MB / 0.5919 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004678/0.5879, allocations: 144 kB / 0.8424 GB, free: 5.402 MB / 0.5919 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004603/0.5884, allocations: 338.1 kB / 0.8427 GB, free: 5.07 MB / 0.5919 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01537/0.6038, allocations: 7.001 MB / 0.8496 GB, free: 14.06 MB / 0.6075 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03404/0.6379, allocations: 26.48 MB / 0.8754 GB, free: 1.406 MB / 0.6231 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008359/0.6463, allocations: 4.995 MB / 0.8803 GB, free: 12.12 MB / 0.6387 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005833/0.6521, allocations: 2.612 MB / 0.8829 GB, free: 9.48 MB / 0.6387 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002468/0.6524, allocations: 127 kB / 0.883 GB, free: 9.336 MB / 0.6387 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.563e-05/0.6524, allocations: 64.56 kB / 0.8831 GB, free: 9.266 MB / 0.6387 GB Notification: Performance of pre-optimization done (n=208): time 5.24e-06/0.6525, allocations: 0 / 0.8831 GB, free: 9.266 MB / 0.6387 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.conv2.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.conv2.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 0.1077/0.7601, allocations: 31.19 MB / 0.9135 GB, free: 10.02 MB / 0.67 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001291/0.7603, allocations: 243.6 kB / 0.9137 GB, free: 9.73 MB / 0.67 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002107/0.7624, allocations: 1.454 MB / 0.9152 GB, free: 8.27 MB / 0.67 GB Notification: Performance of collectPreVariables (initialization): time 0.000464/0.7629, allocations: 69.7 kB / 0.9152 GB, free: 8.195 MB / 0.67 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009409/0.7638, allocations: 1.546 MB / 0.9167 GB, free: 6.633 MB / 0.67 GB Notification: Performance of collectInitialBindings (initialization): time 0.001065/0.7649, allocations: 0.9644 MB / 0.9177 GB, free: 5.66 MB / 0.67 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001312/0.7662, allocations: 0.6321 MB / 0.9183 GB, free: 5.02 MB / 0.67 GB Notification: Performance of setup shared object (initialization): time 8.228e-05/0.7663, allocations: 305.1 kB / 0.9186 GB, free: 4.719 MB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005702/0.772, allocations: 2.67 MB / 0.9212 GB, free: 2.039 MB / 0.67 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006235/0.7783, allocations: 3.56 MB / 0.9247 GB, free: 14.1 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01222/0.7905, allocations: 6.383 MB / 0.9309 GB, free: 7.32 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.091e-05/0.7906, allocations: 11.94 kB / 0.9309 GB, free: 7.309 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.conv2.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.conv2.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 0.02751/0.8181, allocations: 10.96 MB / 0.9416 GB, free: 12.24 MB / 0.7012 GB Notification: Performance of prepare postOptimizeDAE: time 4.206e-05/0.8181, allocations: 16 kB / 0.9416 GB, free: 12.23 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.877e-05/0.8182, allocations: 24 kB / 0.9417 GB, free: 12.2 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01914/0.8373, allocations: 5.486 MB / 0.947 GB, free: 6.703 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004245/0.8416, allocations: 0.9828 MB / 0.948 GB, free: 5.719 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04114/0.8828, allocations: 28.18 MB / 0.9755 GB, free: 9.082 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004352/0.8871, allocations: 0.5537 MB / 0.976 GB, free: 8.527 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005833/0.8878, allocations: 152 kB / 0.9762 GB, free: 8.379 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008188/0.896, allocations: 3.964 MB / 0.9801 GB, free: 4.406 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006333/0.9023, allocations: 3.517 MB / 0.9835 GB, free: 0.5117 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08779/0.9901, allocations: 24.56 MB / 1.007 GB, free: 7.449 MB / 0.7637 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.189e-05/0.9902, allocations: 4 kB / 1.007 GB, free: 7.445 MB / 0.7637 GB Warning: The linear system: 1 : transformer.conv1.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.conv1.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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ] = [ -loadRL.load1.v[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.conv2.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] ] 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_lambda0): time 0.02637/1.017, allocations: 10.5 MB / 1.018 GB, free: 12.8 MB / 0.7794 GB Notification: Performance of prepare postOptimizeDAE: time 3.509e-05/1.017, allocations: 23.92 kB / 1.018 GB, free: 12.77 MB / 0.7794 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.855e-05/1.017, allocations: 28 kB / 1.018 GB, free: 12.75 MB / 0.7794 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01467/1.031, allocations: 4.239 MB / 1.022 GB, free: 8.492 MB / 0.7794 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004625/1.036, allocations: 1.041 MB / 1.023 GB, free: 7.449 MB / 0.7794 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03528/1.071, allocations: 27.14 MB / 1.049 GB, free: 11.58 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004636/1.076, allocations: 0.5381 MB / 1.05 GB, free: 11.04 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005854/1.077, allocations: 148 kB / 1.05 GB, free: 10.9 MB / 0.8106 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.i1[2]) - line2.i3[2] - line2.i2[2] 0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[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 0.001137/1.078, allocations: 417.6 kB / 1.051 GB, free: 10.48 MB / 0.8106 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007109/1.078, allocations: 206.7 kB / 1.051 GB, free: 10.28 MB / 0.8106 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 : transformer.conv2.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.conv2.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 postOpt wrapFunctionCalls (simulation): time 0.02682/1.105, allocations: 10.18 MB / 1.061 GB, free: 28 kB / 0.8106 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.523e-05/1.105, allocations: 28 kB / 1.061 GB, free: 0 / 0.8106 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.415e-05/1.105, allocations: 16.08 kB / 1.061 GB, free: 15.98 MB / 0.8262 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.3e-05/1.105, allocations: 11.95 kB / 1.061 GB, free: 15.97 MB / 0.8262 GB Warning: The linear system: 1 : 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] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : 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] 4 : transformer.conv2.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.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ; line2.v2_p[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] ; 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.conv2.V2[1] ] 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 0.03759/1.143, allocations: 16.3 MB / 1.077 GB, free: 15.42 MB / 0.8419 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.414e-05/1.143, allocations: 8 kB / 1.077 GB, free: 15.41 MB / 0.8419 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003598/1.147, allocations: 0.7376 MB / 1.077 GB, free: 14.67 MB / 0.8419 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01819/1.165, allocations: 5.099 MB / 1.082 GB, free: 9.559 MB / 0.8419 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005786/1.166, allocations: 71.95 kB / 1.082 GB, free: 9.488 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.3499/1.515, allocations: 27.21 MB / 1.109 GB, free: 266.3 MB / 0.8419 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.876e-06/1.515, allocations: 11.91 kB / 1.109 GB, free: 266.3 MB / 0.8419 GB Warning: The linear system: 1 : 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] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : 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] 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.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[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.conv2.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] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02532/1.541, allocations: 10.14 MB / 1.119 GB, free: 263.2 MB / 0.8419 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001932/1.543, allocations: 0.7311 MB / 1.12 GB, free: 262.9 MB / 0.8419 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004309/1.543, allocations: 57.16 kB / 1.12 GB, free: 262.8 MB / 0.8419 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003422/1.547, allocations: 0.5046 MB / 1.12 GB, free: 262.8 MB / 0.8419 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006924/1.547, allocations: 226 kB / 1.12 GB, free: 262.7 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002151/1.548, allocations: 90.98 kB / 1.12 GB, free: 262.7 MB / 0.8419 GB Notification: Performance of sorting global known variables: time 0.001198/1.549, allocations: 0.9829 MB / 1.121 GB, free: 262.4 MB / 0.8419 GB Notification: Performance of sort global known variables: time 2.2e-07/1.549, allocations: 0.7656 kB / 1.121 GB, free: 262.4 MB / 0.8419 GB Notification: Performance of remove unused functions: time 0.005512/1.554, allocations: 1.842 MB / 1.123 GB, free: 262.2 MB / 0.8419 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 : 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] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : 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] 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.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[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.conv2.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] ] might be structurally or numerically singular for variable line2.v2_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 0.02379/1.578, allocations: 10.8 MB / 1.134 GB, free: 258.4 MB / 0.8419 GB Notification: Performance of simCode: created initialization part: time 0.02538/1.603, allocations: 12.44 MB / 1.146 GB, free: 254.1 MB / 0.8419 GB Notification: Performance of simCode: created event and clocks part: time 1.493e-05/1.604, allocations: 7.281 kB / 1.146 GB, free: 254.1 MB / 0.8419 GB Notification: Performance of simCode: created simulation system equations: time 0.009083/1.613, allocations: 4.403 MB / 1.15 GB, free: 252.5 MB / 0.8419 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002092/1.615, allocations: 282.9 kB / 1.15 GB, free: 252.4 MB / 0.8419 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.conv2.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.conv2.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.conv2.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.conv2.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 0.08065/1.695, allocations: 42.37 MB / 1.192 GB, free: 212.3 MB / 0.8419 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002316/1.698, allocations: 2.855 MB / 1.195 GB, free: 209.4 MB / 0.8419 GB Notification: Performance of simCode: alias equations: time 0.003694/1.701, allocations: 1.642 MB / 1.196 GB, free: 207.8 MB / 0.8419 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001341/1.703, allocations: 1.226 MB / 1.197 GB, free: 206.5 MB / 0.8419 GB Notification: Performance of SimCode: time 1.122e-06/1.703, allocations: 3.281 kB / 1.197 GB, free: 206.5 MB / 0.8419 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1169/1.82, allocations: 103.1 MB / 1.298 GB, free: 104 MB / 0.8419 GB Notification: Performance of buildModelFMU: Generate platform static: time 15.42/17.24, allocations: 23.62 kB / 1.298 GB, free: 104 MB / 0.8419 GB (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & python3 -m fmpy simulate --output-file BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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_UnbalancedStepUp_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)