Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_8_Buildings_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 0.001099/0.001099, allocations: 115.3 kB / 15.34 MB, free: 0.5156 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001119/0.001119, allocations: 190.7 kB / 16.25 MB, free: 6.625 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.136/1.136, allocations: 205.1 MB / 222.1 MB, free: 4.672 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.524/1.524, allocations: 292.3 MB / 0.5486 GB, free: 13.62 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001394/0.001394, allocations: 70.64 kB / 0.6711 GB, free: 26.27 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.189/0.1904, allocations: 114.6 MB / 0.783 GB, free: 13.77 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01968/0.2101, allocations: 18.13 MB / 0.8007 GB, free: 11.57 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.0104/0.2206, allocations: 6.814 MB / 0.8074 GB, free: 4.73 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001426/0.222, allocations: 43.88 kB / 0.8074 GB, free: 4.688 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.00356/0.2257, allocations: 1.365 MB / 0.8087 GB, free: 3.32 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.003109/0.2288, allocations: 1.3 MB / 0.81 GB, free: 2.016 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.002897/0.2317, allocations: 1.174 MB / 0.8112 GB, free: 0.8398 MB / 0.6231 GB Notification: Performance of NFFlatten.flatten: time 0.005819/0.2375, allocations: 5.488 MB / 0.8165 GB, free: 11.34 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01113/0.2487, allocations: 8.533 MB / 0.8249 GB, free: 2.703 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003149/0.2518, allocations: 2.38 MB / 0.8272 GB, free: 324 kB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004367/0.2562, allocations: 3.14 MB / 0.8302 GB, free: 13.17 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.001374/0.2576, allocations: 0.5117 MB / 0.8307 GB, free: 12.66 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002964/0.2606, allocations: 1.268 MB / 0.832 GB, free: 11.39 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.002939/0.2635, allocations: 2.242 MB / 0.8342 GB, free: 9.141 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.003724/0.2673, allocations: 2.198 MB / 0.8363 GB, free: 6.934 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.008033/0.2753, allocations: 7.783 MB / 0.8439 GB, free: 15.13 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 5.391e-06/0.2754, allocations: 0 / 0.8439 GB, free: 15.13 MB / 0.67 GB Notification: Performance of FrontEnd: time 1.903e-06/0.2754, allocations: 0 / 0.8439 GB, free: 15.13 MB / 0.67 GB Notification: Performance of Transformations before backend: time 0.0002308/0.2756, allocations: 0 / 0.8439 GB, free: 15.13 MB / 0.67 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 0.009178/0.2848, allocations: 3.827 MB / 0.8477 GB, free: 11.24 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 4.802e-05/0.2848, allocations: 12.03 kB / 0.8477 GB, free: 11.23 MB / 0.67 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0008394/0.2857, allocations: 0.5465 MB / 0.8482 GB, free: 10.68 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01192/0.2976, allocations: 2.349 MB / 0.8505 GB, free: 8.32 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003809/0.3015, allocations: 2.163 MB / 0.8526 GB, free: 6.113 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001877/0.3017, allocations: 271.3 kB / 0.8529 GB, free: 5.848 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006265/0.3023, allocations: 344 kB / 0.8532 GB, free: 5.512 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01285/0.3151, allocations: 7.128 MB / 0.8602 GB, free: 14.29 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.886e-05/0.3153, allocations: 7.875 kB / 0.8602 GB, free: 14.28 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00041/0.3157, allocations: 148 kB / 0.8603 GB, free: 14.13 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000418/0.3161, allocations: 334.1 kB / 0.8606 GB, free: 13.8 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01386/0.33, allocations: 7.005 MB / 0.8675 GB, free: 6.785 MB / 0.6856 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 0.02902/0.359, allocations: 26.69 MB / 0.8935 GB, free: 9.914 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007715/0.3667, allocations: 4.992 MB / 0.8984 GB, free: 4.617 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005381/0.3721, allocations: 2.6 MB / 0.9009 GB, free: 1.996 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002362/0.3724, allocations: 131 kB / 0.9011 GB, free: 1.852 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.473e-05/0.3725, allocations: 56.56 kB / 0.9011 GB, free: 1.785 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=208): time 3.797e-06/0.3725, allocations: 0 / 0.9011 GB, free: 1.785 MB / 0.7169 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 0.4267/0.7992, allocations: 30.95 MB / 0.9313 GB, free: 124.2 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.307e-05/0.7993, allocations: 236.2 kB / 0.9316 GB, free: 123.9 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001827/0.8011, allocations: 1.448 MB / 0.933 GB, free: 123.4 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.000333/0.8014, allocations: 74.7 kB / 0.9331 GB, free: 123.3 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006856/0.8021, allocations: 1.501 MB / 0.9345 GB, free: 122.2 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.0007809/0.8029, allocations: 0.9195 MB / 0.9354 GB, free: 121.5 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001181/0.8041, allocations: 0.625 MB / 0.936 GB, free: 121.2 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 3.374e-05/0.8041, allocations: 301.6 kB / 0.9363 GB, free: 120.9 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005745/0.8099, allocations: 2.679 MB / 0.9389 GB, free: 120.1 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006024/0.8159, allocations: 3.548 MB / 0.9424 GB, free: 118.2 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01059/0.8265, allocations: 6.379 MB / 0.9486 GB, free: 115.2 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.083e-05/0.8266, allocations: 12.59 kB / 0.9486 GB, free: 115.2 MB / 0.7325 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 0.02441/0.851, allocations: 10.99 MB / 0.9594 GB, free: 109.9 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 3.315e-05/0.851, allocations: 15.75 kB / 0.9594 GB, free: 109.9 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.803e-05/0.8511, allocations: 27.56 kB / 0.9594 GB, free: 109.9 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02067/0.8718, allocations: 5.485 MB / 0.9648 GB, free: 107.3 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004001/0.8758, allocations: 0.979 MB / 0.9657 GB, free: 107 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0334/0.9092, allocations: 28.16 MB / 0.9932 GB, free: 79.38 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003938/0.9132, allocations: 0.5532 MB / 0.9938 GB, free: 78.83 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005841/0.9138, allocations: 155.9 kB / 0.9939 GB, free: 78.68 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006941/0.9208, allocations: 3.964 MB / 0.9978 GB, free: 74.7 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.004974/0.9258, allocations: 3.513 MB / 1.001 GB, free: 70.81 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07351/0.9993, allocations: 24.6 MB / 1.025 GB, free: 45.74 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.126e-05/0.9993, allocations: 11.98 kB / 1.025 GB, free: 45.73 MB / 0.7325 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 0.02062/1.02, allocations: 10.49 MB / 1.035 GB, free: 35.1 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 2.511e-05/1.02, allocations: 16 kB / 1.036 GB, free: 35.08 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.012e-05/1.02, allocations: 28 kB / 1.036 GB, free: 35.05 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01241/1.032, allocations: 4.263 MB / 1.04 GB, free: 30.78 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003813/1.036, allocations: 1.028 MB / 1.041 GB, free: 29.75 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02685/1.063, allocations: 27.12 MB / 1.067 GB, free: 1.941 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003886/1.067, allocations: 0.538 MB / 1.068 GB, free: 1.402 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004656/1.068, allocations: 155.9 kB / 1.068 GB, free: 1.25 MB / 0.7325 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 0.0009608/1.069, allocations: 402.7 kB / 1.068 GB, free: 0.8516 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006161/1.069, allocations: 205.3 kB / 1.068 GB, free: 0.6523 MB / 0.7325 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 0.02558/1.095, allocations: 10.16 MB / 1.078 GB, free: 6.414 MB / 0.7481 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.325e-05/1.095, allocations: 28 kB / 1.078 GB, free: 6.387 MB / 0.7481 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.315e-05/1.095, allocations: 15.94 kB / 1.078 GB, free: 6.371 MB / 0.7481 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.188e-05/1.095, allocations: 15.95 kB / 1.078 GB, free: 6.355 MB / 0.7481 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 0.03235/1.127, allocations: 16.31 MB / 1.094 GB, free: 5.859 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.617e-05/1.127, allocations: 8 kB / 1.094 GB, free: 5.852 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003089/1.13, allocations: 0.7255 MB / 1.095 GB, free: 5.125 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01734/1.148, allocations: 5.126 MB / 1.1 GB, free: 15.98 MB / 0.7794 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003458/1.148, allocations: 67.95 kB / 1.1 GB, free: 15.91 MB / 0.7794 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03602/1.184, allocations: 27.24 MB / 1.127 GB, free: 4.191 MB / 0.795 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.886e-06/1.184, allocations: 13.67 kB / 1.127 GB, free: 4.18 MB / 0.795 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 0.02323/1.207, allocations: 10.1 MB / 1.137 GB, free: 9.836 MB / 0.8106 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001333/1.209, allocations: 0.717 MB / 1.137 GB, free: 9.098 MB / 0.8106 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004801/1.209, allocations: 59.98 kB / 1.137 GB, free: 9.039 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003229/1.212, allocations: 0.5031 MB / 1.138 GB, free: 8.535 MB / 0.8106 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006644/1.213, allocations: 222.4 kB / 1.138 GB, free: 8.32 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002372/1.213, allocations: 95.89 kB / 1.138 GB, free: 8.227 MB / 0.8106 GB Notification: Performance of sorting global known variables: time 0.001235/1.215, allocations: 0.9776 MB / 1.139 GB, free: 7.246 MB / 0.8106 GB Notification: Performance of sort global known variables: time 2.81e-07/1.215, allocations: 4 kB / 1.139 GB, free: 7.242 MB / 0.8106 GB Notification: Performance of remove unused functions: time 0.005484/1.22, allocations: 1.84 MB / 1.141 GB, free: 5.402 MB / 0.8106 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 0.02352/1.244, allocations: 10.75 MB / 1.151 GB, free: 10.38 MB / 0.8262 GB Notification: Performance of simCode: created initialization part: time 0.02905/1.273, allocations: 14.34 MB / 1.165 GB, free: 11.96 MB / 0.8419 GB Notification: Performance of simCode: created event and clocks part: time 7.784e-06/1.273, allocations: 4.25 kB / 1.165 GB, free: 11.95 MB / 0.8419 GB Notification: Performance of simCode: created simulation system equations: time 0.009453/1.282, allocations: 4.421 MB / 1.17 GB, free: 7.496 MB / 0.8419 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002029/1.284, allocations: 284 kB / 1.17 GB, free: 7.219 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.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 0.08731/1.372, allocations: 45.62 MB / 1.215 GB, free: 7.582 MB / 0.8887 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003161/1.375, allocations: 2.849 MB / 1.217 GB, free: 4.695 MB / 0.8887 GB Notification: Performance of simCode: alias equations: time 0.004594/1.379, allocations: 1.641 MB / 1.219 GB, free: 3.051 MB / 0.8887 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001545/1.381, allocations: 1.222 MB / 1.22 GB, free: 1.828 MB / 0.8887 GB Notification: Performance of SimCode: time 6.01e-07/1.381, allocations: 4 kB / 1.22 GB, free: 1.824 MB / 0.8887 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 4.35/5.731, allocations: 101.9 MB / 1.32 GB, free: 300.6 MB / 0.9356 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001623/5.731, allocations: 307.8 kB / 1.32 GB, free: 300.2 MB / 0.9356 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.514/9.245, allocations: 0 / 1.32 GB, free: 300.2 MB / 0.9356 GB (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)