Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.004962/0.004962, allocations: 100.7 kB / 15.73 MB, free: 6.016 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001211/0.001211, allocations: 185.9 kB / 16.67 MB, free: 5.934 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.249/1.249, allocations: 222.9 MB / 240.4 MB, free: 15.09 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002031/0.002031, allocations: 291 kB / 290.8 MB, free: 14.45 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.8831/0.8831, allocations: 169.3 MB / 0.4983 GB, free: 4.426 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001742/0.001742, allocations: 91.86 kB / 0.6811 GB, free: 7.363 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.42/0.4217, allocations: 86.97 MB / 0.766 GB, free: 3.859 MB / 0.5294 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.01945/0.4412, allocations: 18.17 MB / 0.7837 GB, free: 1.621 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.01033/0.4516, allocations: 6.793 MB / 0.7904 GB, free: 10.81 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00122/0.4528, allocations: 63.88 kB / 0.7904 GB, free: 10.75 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.003374/0.4563, allocations: 1.461 MB / 0.7919 GB, free: 9.281 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.002952/0.4592, allocations: 1.42 MB / 0.7933 GB, free: 7.855 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.002984/0.4622, allocations: 1.28 MB / 0.7945 GB, free: 6.574 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.005133/0.4674, allocations: 5.449 MB / 0.7998 GB, free: 1.113 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.007236/0.4746, allocations: 7.061 MB / 0.8067 GB, free: 9.941 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003401/0.478, allocations: 2.373 MB / 0.809 GB, free: 7.562 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003719/0.4818, allocations: 2.945 MB / 0.8119 GB, free: 4.609 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.0006122/0.4824, allocations: 0.5117 MB / 0.8124 GB, free: 4.098 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001968/0.4844, allocations: 1.256 MB / 0.8136 GB, free: 2.84 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.00184/0.4862, allocations: 2.238 MB / 0.8158 GB, free: 0.5977 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.002025/0.4883, allocations: 2.175 MB / 0.818 GB, free: 14.41 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.006344/0.4946, allocations: 7.75 MB / 0.8255 GB, free: 6.645 MB / 0.5919 GB Notification: Performance of FrontEnd - DAE generated: time 4.598e-06/0.4946, allocations: 0 / 0.8255 GB, free: 6.645 MB / 0.5919 GB Notification: Performance of FrontEnd: time 1.693e-06/0.4946, allocations: 0 / 0.8255 GB, free: 6.645 MB / 0.5919 GB Notification: Performance of Transformations before backend: time 0.0001146/0.4948, allocations: 4 kB / 0.8255 GB, free: 6.641 MB / 0.5919 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.006731/0.5015, allocations: 3.86 MB / 0.8293 GB, free: 2.715 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 3.876e-05/0.5015, allocations: 12.03 kB / 0.8293 GB, free: 2.703 MB / 0.5919 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0006305/0.5022, allocations: 0.5423 MB / 0.8298 GB, free: 2.152 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01215/0.5143, allocations: 2.358 MB / 0.8321 GB, free: 15.79 MB / 0.6075 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00516/0.5195, allocations: 2.175 MB / 0.8343 GB, free: 13.57 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002241/0.5198, allocations: 271.2 kB / 0.8345 GB, free: 13.3 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001029/0.5208, allocations: 347.9 kB / 0.8349 GB, free: 12.96 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0143/0.5351, allocations: 7.095 MB / 0.8418 GB, free: 5.762 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001116/0.5353, allocations: 7.938 kB / 0.8418 GB, free: 5.754 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007696/0.536, allocations: 144 kB / 0.8419 GB, free: 5.613 MB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004697/0.5365, allocations: 338 kB / 0.8422 GB, free: 5.281 MB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01582/0.5524, allocations: 6.985 MB / 0.8491 GB, free: 14.29 MB / 0.6231 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 0.03384/0.5862, allocations: 26.4 MB / 0.8749 GB, free: 1.711 MB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00811/0.5944, allocations: 4.985 MB / 0.8797 GB, free: 12.43 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00575/0.6001, allocations: 2.619 MB / 0.8823 GB, free: 9.793 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002627/0.6004, allocations: 131 kB / 0.8824 GB, free: 9.645 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.944e-05/0.6005, allocations: 60.56 kB / 0.8825 GB, free: 9.578 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=208): time 4.188e-06/0.6005, allocations: 0 / 0.8825 GB, free: 9.578 MB / 0.6544 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 0.1027/0.7032, allocations: 31.13 MB / 0.9129 GB, free: 10.39 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001073/0.7033, allocations: 247.5 kB / 0.9131 GB, free: 10.09 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001982/0.7053, allocations: 1.404 MB / 0.9145 GB, free: 8.68 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 0.0004688/0.7058, allocations: 65.7 kB / 0.9145 GB, free: 8.609 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009131/0.7067, allocations: 1.534 MB / 0.916 GB, free: 7.059 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.001003/0.7077, allocations: 0.9683 MB / 0.917 GB, free: 6.082 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001232/0.709, allocations: 0.6282 MB / 0.9176 GB, free: 5.445 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 7.992e-05/0.7091, allocations: 305.1 kB / 0.9179 GB, free: 5.145 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005521/0.7146, allocations: 2.67 MB / 0.9205 GB, free: 2.465 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00607/0.7207, allocations: 3.552 MB / 0.924 GB, free: 14.54 MB / 0.7012 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01232/0.733, allocations: 6.383 MB / 0.9302 GB, free: 7.75 MB / 0.7012 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.069e-05/0.733, allocations: 8 kB / 0.9302 GB, free: 7.742 MB / 0.7012 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 0.02797/0.761, allocations: 11.02 MB / 0.941 GB, free: 12.62 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 3.73e-05/0.7611, allocations: 16 kB / 0.941 GB, free: 12.61 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.74e-05/0.7611, allocations: 28 kB / 0.941 GB, free: 12.58 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01921/0.7803, allocations: 5.462 MB / 0.9463 GB, free: 7.105 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004174/0.7845, allocations: 0.9828 MB / 0.9473 GB, free: 6.121 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.3532/1.138, allocations: 28.16 MB / 0.9748 GB, free: 177.2 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004417/1.142, allocations: 0.5564 MB / 0.9753 GB, free: 177.2 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003868/1.143, allocations: 152.4 kB / 0.9755 GB, free: 177.2 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007584/1.15, allocations: 3.96 MB / 0.9794 GB, free: 176.6 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005552/1.156, allocations: 3.518 MB / 0.9828 GB, free: 174.7 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07753/1.233, allocations: 24.56 MB / 1.007 GB, free: 163.4 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.487e-05/1.233, allocations: 8 kB / 1.007 GB, free: 163.4 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 0.02114/1.255, allocations: 10.5 MB / 1.017 GB, free: 152.9 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 2.335e-05/1.255, allocations: 16 kB / 1.017 GB, free: 152.9 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.263e-05/1.255, allocations: 28 kB / 1.017 GB, free: 152.8 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01282/1.267, allocations: 4.243 MB / 1.021 GB, free: 148.6 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003968/1.271, allocations: 1.036 MB / 1.022 GB, free: 147.5 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0257/1.297, allocations: 27.11 MB / 1.049 GB, free: 120 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003885/1.301, allocations: 0.5343 MB / 1.049 GB, free: 119.5 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002491/1.301, allocations: 150.4 kB / 1.049 GB, free: 119.3 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.i3[2] - line2.i1[2] 0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.0008635/1.302, allocations: 394.1 kB / 1.05 GB, free: 118.9 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004632/1.303, allocations: 220.6 kB / 1.05 GB, free: 118.8 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 0.02205/1.325, allocations: 10.16 MB / 1.06 GB, free: 108.5 MB / 0.7325 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.661e-05/1.325, allocations: 28 kB / 1.06 GB, free: 108.5 MB / 0.7325 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.256e-05/1.325, allocations: 12 kB / 1.06 GB, free: 108.5 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.224e-05/1.325, allocations: 19.95 kB / 1.06 GB, free: 108.5 MB / 0.7325 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 0.02957/1.354, allocations: 16.25 MB / 1.076 GB, free: 92.06 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.325e-05/1.354, allocations: 8 kB / 1.076 GB, free: 92.05 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003031/1.357, allocations: 0.7417 MB / 1.077 GB, free: 91.31 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0159/1.373, allocations: 5.099 MB / 1.082 GB, free: 86.2 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002715/1.374, allocations: 75.95 kB / 1.082 GB, free: 86.13 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03032/1.404, allocations: 27.23 MB / 1.108 GB, free: 58.43 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.212e-06/1.404, allocations: 8 kB / 1.108 GB, free: 58.42 MB / 0.7325 GB Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02159/1.426, allocations: 10.12 MB / 1.118 GB, free: 48.06 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001464/1.427, allocations: 0.7203 MB / 1.119 GB, free: 47.32 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003493/1.427, allocations: 63.89 kB / 1.119 GB, free: 47.26 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003112/1.431, allocations: 0.507 MB / 1.119 GB, free: 46.75 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005897/1.431, allocations: 226 kB / 1.12 GB, free: 46.54 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001838/1.431, allocations: 91.95 kB / 1.12 GB, free: 46.45 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.0009268/1.432, allocations: 0.9489 MB / 1.121 GB, free: 45.49 MB / 0.7325 GB Notification: Performance of sort global known variables: time 1.31e-07/1.432, allocations: 0 / 1.121 GB, free: 45.49 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.004618/1.437, allocations: 1.836 MB / 1.122 GB, free: 43.66 MB / 0.7325 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 0.02153/1.458, allocations: 10.76 MB / 1.133 GB, free: 32.64 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.02373/1.482, allocations: 12.43 MB / 1.145 GB, free: 20.11 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 1.274e-05/1.482, allocations: 0 / 1.145 GB, free: 20.11 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.008854/1.491, allocations: 4.429 MB / 1.149 GB, free: 15.64 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001829/1.493, allocations: 270.4 kB / 1.15 GB, free: 15.39 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 simCode: created linear, non-linear and system jacobian parts: time 0.08526/1.578, allocations: 41.62 MB / 1.19 GB, free: 4.492 MB / 0.7637 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003965/1.582, allocations: 2.836 MB / 1.193 GB, free: 1.625 MB / 0.7637 GB Notification: Performance of simCode: alias equations: time 0.004487/1.587, allocations: 1.633 MB / 1.195 GB, free: 15.98 MB / 0.7794 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001796/1.588, allocations: 1.214 MB / 1.196 GB, free: 14.77 MB / 0.7794 GB Notification: Performance of SimCode: time 4.71e-07/1.589, allocations: 0 / 1.196 GB, free: 14.77 MB / 0.7794 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.4868/2.075, allocations: 102.1 MB / 1.295 GB, free: 293 MB / 0.8575 GB Notification: Performance of buildModelFMU: Generate platform static: time 14.65/16.73, allocations: 8.438 kB / 1.295 GB, free: 293 MB / 0.8575 GB (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)