Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.001137/0.001137, allocations: 101.5 kB / 18.95 MB, free: 1.188 MB / 13.93 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.001546/0.001546, allocations: 217.2 kB / 22.25 MB, free: 3.586 MB / 13.93 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 0.9464/0.9464, allocations: 230.6 MB / 256 MB, free: 9.613 MB / 202.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/package.mo", uses=false) [Timeout 180] "[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Examples/PPD12/Structure.mo:531:21-531:190:writable] Warning: Lexer treating \\ as \\\\, since \\e is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Examples/PPD12/Structure.mo:531:21-531:198:writable] Warning: Lexer treating \\ as \\\\, since \\< is not a valid Modelica escape sequence. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/package.mo): time 0.7863/0.7863, allocations: 203.8 MB / 0.5042 GB, free: 10.44 MB / 410.7 MB " [Timeout remaining time 179] Using package IDEAS with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/package.mo) Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo) Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo) Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo) Running command: "" <> buildModelFMU(IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="IDEAS_dev_IDEAS_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="IDEAS_dev_IDEAS_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: IDEAS requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001278/0.001278, allocations: 74.27 kB / 0.7183 GB, free: 3.934 MB / 0.5261 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5309/0.5321, allocations: 102 MB / 0.8179 GB, free: 1.027 MB / 0.6042 GB Notification: Performance of NFInst.instantiate(IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01764/0.5498, allocations: 17.92 MB / 0.8354 GB, free: 5.969 MB / 0.6198 GB Notification: Performance of NFInst.instExpressions: time 0.01206/0.5618, allocations: 6.753 MB / 0.842 GB, free: 1.598 MB / 0.6198 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002231/0.5641, allocations: 68.31 kB / 0.8421 GB, free: 1.578 MB / 0.6198 GB Notification: Performance of NFTyping.typeComponents: time 0.002544/0.5666, allocations: 1.485 MB / 0.8435 GB, free: 0.6484 MB / 0.6198 GB Notification: Performance of NFTyping.typeBindings: time 0.003707/0.5703, allocations: 1.456 MB / 0.8449 GB, free: 15.49 MB / 0.6355 GB Notification: Performance of NFTyping.typeClassSections: time 0.00295/0.5733, allocations: 1.263 MB / 0.8462 GB, free: 14.51 MB / 0.6355 GB Notification: Performance of NFFlatten.flatten: time 0.005449/0.5787, allocations: 5.477 MB / 0.8515 GB, free: 11.45 MB / 0.6355 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004422/0.5831, allocations: 3.378 MB / 0.8548 GB, free: 9.293 MB / 0.6355 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00435/0.5875, allocations: 2.424 MB / 0.8572 GB, free: 7.906 MB / 0.6355 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004808/0.5923, allocations: 3.007 MB / 0.8601 GB, free: 6.125 MB / 0.6355 GB Notification: Performance of NFPackage.collectConstants: time 0.001163/0.5935, allocations: 0.5135 MB / 0.8606 GB, free: 6.125 MB / 0.6355 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002651/0.5961, allocations: 1.199 MB / 0.8618 GB, free: 5.746 MB / 0.6355 GB Notification: Performance of NFScalarize.scalarize: time 0.002223/0.5983, allocations: 2.303 MB / 0.864 GB, free: 4.289 MB / 0.6355 GB Notification: Performance of NFVerifyModel.verify: time 0.003048/0.6014, allocations: 1.791 MB / 0.8658 GB, free: 3.137 MB / 0.6355 GB Notification: Performance of NFConvertDAE.convert: time 0.009105/0.6105, allocations: 7.843 MB / 0.8734 GB, free: 12.65 MB / 0.6511 GB Notification: Performance of FrontEnd - DAE generated: time 6.463e-06/0.6105, allocations: 0 / 0.8734 GB, free: 12.65 MB / 0.6511 GB Notification: Performance of FrontEnd: time 2.455e-06/0.6105, allocations: 0 / 0.8734 GB, free: 12.65 MB / 0.6511 GB Notification: Performance of Transformations before backend: time 0.0002384/0.6107, allocations: 0 / 0.8734 GB, free: 12.65 MB / 0.6511 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 0.008379/0.6191, allocations: 3.832 MB / 0.8772 GB, free: 8.77 MB / 0.6511 GB Notification: Performance of prepare preOptimizeDAE: time 4.694e-05/0.6192, allocations: 8.031 kB / 0.8772 GB, free: 8.762 MB / 0.6511 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000684/0.6199, allocations: 0.5465 MB / 0.8777 GB, free: 8.207 MB / 0.6511 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.007221/0.6271, allocations: 2.44 MB / 0.8801 GB, free: 5.762 MB / 0.6511 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003878/0.631, allocations: 2.158 MB / 0.8822 GB, free: 3.57 MB / 0.6511 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.00028/0.6312, allocations: 275.2 kB / 0.8825 GB, free: 3.301 MB / 0.6511 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007009/0.6319, allocations: 355.9 kB / 0.8828 GB, free: 2.953 MB / 0.6511 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01136/0.6433, allocations: 7.238 MB / 0.8899 GB, free: 11.6 MB / 0.6667 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.249e-05/0.6434, allocations: 3.938 kB / 0.8899 GB, free: 11.59 MB / 0.6667 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004392/0.6438, allocations: 144 kB / 0.89 GB, free: 11.45 MB / 0.6667 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003133/0.6441, allocations: 334.1 kB / 0.8903 GB, free: 11.12 MB / 0.6667 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01204/0.6561, allocations: 7.039 MB / 0.8972 GB, free: 4.07 MB / 0.6667 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 0.02318/0.6793, allocations: 18.5 MB / 0.9153 GB, free: 0.9805 MB / 0.6823 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004825/0.6841, allocations: 3.714 MB / 0.9189 GB, free: 13.24 MB / 0.698 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.003379/0.6875, allocations: 2.526 MB / 0.9214 GB, free: 10.7 MB / 0.698 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001503/0.6877, allocations: 45.91 kB / 0.9214 GB, free: 10.65 MB / 0.698 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.171e-05/0.6877, allocations: 60.56 kB / 0.9215 GB, free: 10.58 MB / 0.698 GB Notification: Performance of pre-optimization done (n=208): time 4.549e-06/0.6877, allocations: 0 / 0.9215 GB, free: 10.58 MB / 0.698 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 0.05908/0.7468, allocations: 30.82 MB / 0.9516 GB, free: 11.77 MB / 0.7292 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001137/0.7469, allocations: 239.6 kB / 0.9518 GB, free: 11.49 MB / 0.7292 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002246/0.7492, allocations: 1.523 MB / 0.9533 GB, free: 9.957 MB / 0.7292 GB Notification: Performance of collectPreVariables (initialization): time 0.0006014/0.7498, allocations: 73.64 kB / 0.9534 GB, free: 9.879 MB / 0.7292 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008371/0.7506, allocations: 1.546 MB / 0.9549 GB, free: 8.316 MB / 0.7292 GB Notification: Performance of collectInitialBindings (initialization): time 0.0009269/0.7515, allocations: 0.9683 MB / 0.9558 GB, free: 7.34 MB / 0.7292 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008371/0.7524, allocations: 0.636 MB / 0.9564 GB, free: 6.695 MB / 0.7292 GB Notification: Performance of setup shared object (initialization): time 7.997e-05/0.7524, allocations: 305.1 kB / 0.9567 GB, free: 6.395 MB / 0.7292 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003615/0.7561, allocations: 2.686 MB / 0.9594 GB, free: 3.699 MB / 0.7292 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004204/0.7603, allocations: 3.65 MB / 0.9629 GB, free: 15.65 MB / 0.7448 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.008079/0.7683, allocations: 6.402 MB / 0.9692 GB, free: 8.848 MB / 0.7448 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.977e-05/0.7684, allocations: 8 kB / 0.9692 GB, free: 8.84 MB / 0.7448 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 0.01739/0.7858, allocations: 10.79 MB / 0.9797 GB, free: 13.99 MB / 0.7605 GB Notification: Performance of prepare postOptimizeDAE: time 3.435e-05/0.7858, allocations: 20 kB / 0.9797 GB, free: 13.97 MB / 0.7605 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.834e-05/0.7858, allocations: 24 kB / 0.9798 GB, free: 13.95 MB / 0.7605 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01168/0.7975, allocations: 5.536 MB / 0.9852 GB, free: 8.391 MB / 0.7605 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002782/0.8003, allocations: 0.9945 MB / 0.9861 GB, free: 7.395 MB / 0.7605 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02783/0.8281, allocations: 27.47 MB / 1.013 GB, free: 11.54 MB / 0.7917 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003061/0.8312, allocations: 0.5771 MB / 1.014 GB, free: 10.96 MB / 0.7917 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004458/0.8316, allocations: 159.9 kB / 1.014 GB, free: 10.81 MB / 0.7917 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006082/0.8377, allocations: 3.98 MB / 1.018 GB, free: 6.82 MB / 0.7917 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.004027/0.8417, allocations: 3.608 MB / 1.021 GB, free: 2.816 MB / 0.7917 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.04912/0.8908, allocations: 24.46 MB / 1.045 GB, free: 9.879 MB / 0.823 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.762e-05/0.8909, allocations: 8 kB / 1.045 GB, free: 9.871 MB / 0.823 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 0.0158/0.9067, allocations: 10.16 MB / 1.055 GB, free: 15.63 MB / 0.8386 GB Notification: Performance of prepare postOptimizeDAE: time 2.731e-05/0.9067, allocations: 20.5 kB / 1.055 GB, free: 15.61 MB / 0.8386 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.316e-05/0.9067, allocations: 31.94 kB / 1.055 GB, free: 15.58 MB / 0.8386 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.008467/0.9152, allocations: 4.315 MB / 1.059 GB, free: 11.25 MB / 0.8386 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002822/0.918, allocations: 1.033 MB / 1.06 GB, free: 10.21 MB / 0.8386 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02386/0.9419, allocations: 26.25 MB / 1.086 GB, free: 15.37 MB / 0.8698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002988/0.9449, allocations: 0.5615 MB / 1.086 GB, free: 14.8 MB / 0.8698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003372/0.9452, allocations: 147.9 kB / 1.087 GB, free: 14.66 MB / 0.8698 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 0.0008037/0.946, allocations: 408.9 kB / 1.087 GB, free: 14.25 MB / 0.8698 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004116/0.9464, allocations: 214.8 kB / 1.087 GB, free: 14.04 MB / 0.8698 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 0.01474/0.9612, allocations: 9.922 MB / 1.097 GB, free: 4.078 MB / 0.8698 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.129e-05/0.9612, allocations: 28 kB / 1.097 GB, free: 4.051 MB / 0.8698 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.831e-05/0.9612, allocations: 16.38 kB / 1.097 GB, free: 4.035 MB / 0.8698 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.435e-05/0.9613, allocations: 15.94 kB / 1.097 GB, free: 4.02 MB / 0.8698 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 0.02234/0.9836, allocations: 15.36 MB / 1.112 GB, free: 4.477 MB / 0.8855 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.084e-05/0.9836, allocations: 12.91 kB / 1.112 GB, free: 4.465 MB / 0.8855 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001934/0.9856, allocations: 0.7332 MB / 1.113 GB, free: 3.73 MB / 0.8855 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.009999/0.9956, allocations: 5.173 MB / 1.118 GB, free: 14.54 MB / 0.9011 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004577/0.996, allocations: 75.95 kB / 1.118 GB, free: 14.46 MB / 0.9011 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02513/1.021, allocations: 26.55 MB / 1.144 GB, free: 3.496 MB / 0.9167 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.825e-06/1.021, allocations: 16.02 kB / 1.144 GB, free: 3.48 MB / 0.9167 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 0.4105/1.432, allocations: 9.865 MB / 1.153 GB, free: 284.5 MB / 0.9167 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001902/1.434, allocations: 0.654 MB / 1.154 GB, free: 284.5 MB / 0.9167 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003117/1.434, allocations: 53.64 kB / 1.154 GB, free: 284.5 MB / 0.9167 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002184/1.436, allocations: 0.5058 MB / 1.154 GB, free: 284.5 MB / 0.9167 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006376/1.437, allocations: 240 kB / 1.155 GB, free: 284.5 MB / 0.9167 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001587/1.437, allocations: 93.08 kB / 1.155 GB, free: 284.5 MB / 0.9167 GB Notification: Performance of sorting global known variables: time 0.001256/1.438, allocations: 1.005 MB / 1.156 GB, free: 284.4 MB / 0.9167 GB Notification: Performance of sort global known variables: time 3.31e-07/1.438, allocations: 0 / 1.156 GB, free: 284.4 MB / 0.9167 GB Notification: Performance of remove unused functions: time 0.005308/1.443, allocations: 1.858 MB / 1.158 GB, free: 284.4 MB / 0.9167 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 0.0153/1.459, allocations: 10.54 MB / 1.168 GB, free: 282.4 MB / 0.9167 GB Notification: Performance of simCode: created initialization part: time 0.01804/1.477, allocations: 12.02 MB / 1.18 GB, free: 278.3 MB / 0.9167 GB Notification: Performance of simCode: created event and clocks part: time 1.515e-05/1.477, allocations: 1.062 kB / 1.18 GB, free: 278.3 MB / 0.9167 GB Notification: Performance of simCode: created simulation system equations: time 0.00647/1.483, allocations: 4.271 MB / 1.184 GB, free: 276.9 MB / 0.9167 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00173/1.485, allocations: 289.1 kB / 1.184 GB, free: 276.8 MB / 0.9167 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 0.05719/1.542, allocations: 42.12 MB / 1.225 GB, free: 243 MB / 0.9167 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002558/1.545, allocations: 2.285 MB / 1.227 GB, free: 240.7 MB / 0.9167 GB Notification: Performance of simCode: alias equations: time 0.002886/1.548, allocations: 1.655 MB / 1.229 GB, free: 239 MB / 0.9167 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001134/1.549, allocations: 1.222 MB / 1.23 GB, free: 237.8 MB / 0.9167 GB Notification: Performance of SimCode: time 1.363e-06/1.549, allocations: 0 / 1.23 GB, free: 237.8 MB / 0.9167 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1041/1.653, allocations: 104.3 MB / 1.332 GB, free: 134 MB / 0.9167 GB Notification: Performance of buildModelFMU: Generate platform static: time 9.277/10.93, allocations: 11.92 kB / 1.332 GB, free: 134 MB / 0.9167 GB " [Timeout remaining time 649] (rm -f IDEAS_dev_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo IDEAS_dev_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/IDEAS_dev_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file IDEAS_dev_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 IDEAS_dev_IDEAS_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > IDEAS_dev_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 52.5] [Calling os._exit(0), Time elapsed: 14.016996962949634] Failed to read output from testmodel.py, exit status != 0: 11.053349453024566 11.063911692 10.451570117 Calling exit ...