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 0.001278/0.001278, allocations: 105.4 kB / 15.7 MB, free: 24 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001197/0.001197, allocations: 197.5 kB / 16.64 MB, free: 6.445 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.367/1.367, allocations: 205.1 MB / 222.5 MB, free: 4.562 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 1.643/1.643, allocations: 292.3 MB / 0.549 GB, free: 12.75 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 0.001439/0.001439, allocations: 74.27 kB / 0.6718 GB, free: 26.27 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2029/0.2044, allocations: 114.6 MB / 0.7837 GB, free: 13.23 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02087/0.2253, allocations: 18.24 MB / 0.8015 GB, free: 10.91 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.0106/0.2359, allocations: 6.868 MB / 0.8082 GB, free: 4.023 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001442/0.2374, allocations: 55.88 kB / 0.8083 GB, free: 3.969 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.003453/0.2409, allocations: 1.462 MB / 0.8097 GB, free: 2.5 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.002976/0.2438, allocations: 1.404 MB / 0.8111 GB, free: 1.09 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.002804/0.2467, allocations: 1.289 MB / 0.8123 GB, free: 15.8 MB / 0.6387 GB Notification: Performance of NFFlatten.flatten: time 0.005137/0.2518, allocations: 5.46 MB / 0.8176 GB, free: 10.33 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.007177/0.259, allocations: 7.116 MB / 0.8246 GB, free: 3.098 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00319/0.2622, allocations: 2.369 MB / 0.8269 GB, free: 0.7227 MB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003976/0.2662, allocations: 2.972 MB / 0.8298 GB, free: 13.74 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.0009056/0.2671, allocations: 0.5117 MB / 0.8303 GB, free: 13.23 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002422/0.2696, allocations: 1.276 MB / 0.8316 GB, free: 11.95 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.002086/0.2717, allocations: 2.242 MB / 0.8337 GB, free: 9.707 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.002429/0.2741, allocations: 2.187 MB / 0.8359 GB, free: 7.512 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.006887/0.281, allocations: 7.775 MB / 0.8435 GB, free: 15.71 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 4.489e-06/0.281, allocations: 0 / 0.8435 GB, free: 15.71 MB / 0.67 GB Notification: Performance of FrontEnd: time 1.543e-06/0.2811, allocations: 0 / 0.8435 GB, free: 15.71 MB / 0.67 GB Notification: Performance of Transformations before backend: time 0.000147/0.2812, allocations: 4 kB / 0.8435 GB, free: 15.71 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 0.00744/0.2887, allocations: 3.831 MB / 0.8472 GB, free: 11.82 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 4.201e-05/0.2887, allocations: 12.03 kB / 0.8472 GB, free: 11.81 MB / 0.67 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0007584/0.2895, allocations: 0.5387 MB / 0.8478 GB, free: 11.26 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01202/0.3015, allocations: 2.364 MB / 0.8501 GB, free: 8.891 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004864/0.3064, allocations: 2.175 MB / 0.8522 GB, free: 6.672 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001915/0.3066, allocations: 271.2 kB / 0.8524 GB, free: 6.406 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007864/0.3074, allocations: 348 kB / 0.8528 GB, free: 6.066 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01318/0.3206, allocations: 7.127 MB / 0.8597 GB, free: 14.84 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.857e-05/0.3207, allocations: 3.938 kB / 0.8597 GB, free: 14.83 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004274/0.3211, allocations: 148 kB / 0.8599 GB, free: 14.69 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004309/0.3216, allocations: 338.1 kB / 0.8602 GB, free: 14.36 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01546/0.337, allocations: 6.997 MB / 0.867 GB, free: 7.348 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 0.03092/0.368, allocations: 26.49 MB / 0.8929 GB, free: 10.68 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007496/0.3755, allocations: 4.988 MB / 0.8978 GB, free: 5.379 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0054/0.3809, allocations: 2.593 MB / 0.9003 GB, free: 2.77 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002345/0.3812, allocations: 135 kB / 0.9004 GB, free: 2.621 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.223e-05/0.3812, allocations: 68.5 kB / 0.9005 GB, free: 2.543 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=208): time 3.797e-06/0.3813, allocations: 0 / 0.9005 GB, free: 2.543 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 0.4514/0.8326, allocations: 30.94 MB / 0.9307 GB, free: 123.9 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.393e-05/0.8327, allocations: 241 kB / 0.931 GB, free: 123.6 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002034/0.8348, allocations: 1.446 MB / 0.9324 GB, free: 123.1 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.000507/0.8353, allocations: 69.55 kB / 0.9324 GB, free: 123 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008083/0.8361, allocations: 1.499 MB / 0.9339 GB, free: 121.9 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.0009084/0.837, allocations: 0.9219 MB / 0.9348 GB, free: 121.2 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001092/0.8381, allocations: 0.6293 MB / 0.9354 GB, free: 120.9 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 4.453e-05/0.8382, allocations: 308.9 kB / 0.9357 GB, free: 120.6 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006008/0.8442, allocations: 2.669 MB / 0.9383 GB, free: 119.8 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007431/0.8517, allocations: 3.548 MB / 0.9418 GB, free: 117.9 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01318/0.8649, allocations: 6.384 MB / 0.948 GB, free: 114.9 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.562e-05/0.865, allocations: 8.406 kB / 0.948 GB, free: 114.9 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 0.02728/0.8923, allocations: 10.99 MB / 0.9587 GB, free: 109.8 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 5.216e-05/0.8924, allocations: 19.44 kB / 0.9588 GB, free: 109.8 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.857e-05/0.8925, allocations: 24.27 kB / 0.9588 GB, free: 109.8 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01759/0.9101, allocations: 5.464 MB / 0.9641 GB, free: 107.2 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003983/0.9141, allocations: 0.9793 MB / 0.9651 GB, free: 106.9 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03428/0.9484, allocations: 28.16 MB / 0.9926 GB, free: 80.04 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004222/0.9527, allocations: 0.5575 MB / 0.9931 GB, free: 79.48 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003778/0.9531, allocations: 151.9 kB / 0.9933 GB, free: 79.33 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006347/0.9594, allocations: 3.964 MB / 0.9971 GB, free: 75.36 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.004909/0.9643, allocations: 3.509 MB / 1.001 GB, free: 71.47 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07563/1.04, allocations: 24.55 MB / 1.025 GB, free: 46.44 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.528e-05/1.04, allocations: 8 kB / 1.025 GB, free: 46.43 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 0.02149/1.062, allocations: 10.5 MB / 1.035 GB, free: 35.79 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 3.112e-05/1.062, allocations: 16 kB / 1.035 GB, free: 35.77 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.779e-05/1.062, allocations: 28.56 kB / 1.035 GB, free: 35.74 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01292/1.075, allocations: 4.242 MB / 1.039 GB, free: 31.49 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004103/1.079, allocations: 1.03 MB / 1.04 GB, free: 30.46 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02729/1.106, allocations: 27.12 MB / 1.066 GB, free: 2.645 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004144/1.11, allocations: 0.5348 MB / 1.067 GB, free: 2.113 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004337/1.111, allocations: 151.9 kB / 1.067 GB, free: 1.965 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 0.0008353/1.112, allocations: 395.3 kB / 1.068 GB, free: 1.57 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005785/1.112, allocations: 201.6 kB / 1.068 GB, free: 1.371 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 0.02593/1.138, allocations: 10.18 MB / 1.078 GB, free: 7.129 MB / 0.7481 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.442e-05/1.138, allocations: 31.98 kB / 1.078 GB, free: 7.098 MB / 0.7481 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.194e-05/1.138, allocations: 13.5 kB / 1.078 GB, free: 7.086 MB / 0.7481 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.061e-05/1.138, allocations: 11.95 kB / 1.078 GB, free: 7.074 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 0.03505/1.173, allocations: 16.26 MB / 1.094 GB, free: 6.637 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.1e-05/1.173, allocations: 8 kB / 1.094 GB, free: 6.629 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003481/1.177, allocations: 0.7372 MB / 1.094 GB, free: 5.891 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01771/1.195, allocations: 5.102 MB / 1.099 GB, free: 0.7773 MB / 0.7637 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000729/1.195, allocations: 75.89 kB / 1.099 GB, free: 0.7031 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03884/1.234, allocations: 27.22 MB / 1.126 GB, free: 5.012 MB / 0.795 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.051e-05/1.234, allocations: 12.03 kB / 1.126 GB, free: 5 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 0.02488/1.259, allocations: 10.1 MB / 1.136 GB, free: 10.65 MB / 0.8106 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001957/1.261, allocations: 0.721 MB / 1.137 GB, free: 9.906 MB / 0.8106 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007375/1.262, allocations: 59.89 kB / 1.137 GB, free: 9.848 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003831/1.266, allocations: 0.507 MB / 1.137 GB, free: 9.34 MB / 0.8106 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009498/1.267, allocations: 230.3 kB / 1.137 GB, free: 9.117 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003929/1.267, allocations: 87.95 kB / 1.137 GB, free: 9.031 MB / 0.8106 GB Notification: Performance of sorting global known variables: time 0.001796/1.269, allocations: 0.9816 MB / 1.138 GB, free: 8.047 MB / 0.8106 GB Notification: Performance of sort global known variables: time 1.2e-07/1.269, allocations: 0 / 1.138 GB, free: 8.047 MB / 0.8106 GB Notification: Performance of remove unused functions: time 0.007452/1.276, allocations: 1.844 MB / 1.14 GB, free: 6.203 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 0.02461/1.301, allocations: 10.75 MB / 1.151 GB, free: 11.2 MB / 0.8262 GB Notification: Performance of simCode: created initialization part: time 0.02888/1.33, allocations: 12.41 MB / 1.163 GB, free: 14.69 MB / 0.8419 GB Notification: Performance of simCode: created event and clocks part: time 1.189e-05/1.33, allocations: 0 / 1.163 GB, free: 14.69 MB / 0.8419 GB Notification: Performance of simCode: created simulation system equations: time 0.01084/1.341, allocations: 4.43 MB / 1.167 GB, free: 10.22 MB / 0.8419 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003487/1.344, allocations: 291.3 kB / 1.167 GB, free: 9.941 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 0.09982/1.444, allocations: 42.28 MB / 1.209 GB, free: 14.37 MB / 0.8887 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003968/1.448, allocations: 2.852 MB / 1.211 GB, free: 11.48 MB / 0.8887 GB Notification: Performance of simCode: alias equations: time 0.004477/1.453, allocations: 1.646 MB / 1.213 GB, free: 9.836 MB / 0.8887 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00184/1.455, allocations: 1.222 MB / 1.214 GB, free: 8.617 MB / 0.8887 GB Notification: Performance of SimCode: time 1.102e-06/1.455, allocations: 0 / 1.214 GB, free: 8.617 MB / 0.8887 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.501/1.956, allocations: 101.7 MB / 1.314 GB, free: 302.1 MB / 0.9356 GB Notification: Performance of buildModelFMU: Generate platform static: time 15.7/17.66, allocations: 13.56 kB / 1.314 GB, free: 302.1 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)