Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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 0.001726/0.001726, allocations: 114.3 kB / 18.94 MB, free: 2.934 MB / 14.72 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 0.002092/0.002092, allocations: 217.9 kB / 22.25 MB, free: 5.078 MB / 14.72 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 1.438/1.438, allocations: 230.6 MB / 256 MB, free: 8.004 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/package.mo): time 0.002557/0.002557, allocations: 289.3 kB / 312.7 MB, free: 2.797 MB / 238.1 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo): time 1.205/1.205, allocations: 180.6 MB / 0.5369 GB, free: 12.98 MB / 382.1 MB " [Timeout remaining time 179] Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 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(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: NcDataReader2 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: BuildingSystems 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 0.002996/0.002996, allocations: 110 kB / 0.7397 GB, free: 27.93 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1631/0.1661, allocations: 95.39 MB / 0.8328 GB, free: 8.547 MB / 0.5762 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.0247/0.1908, allocations: 19.19 MB / 0.8516 GB, free: 5.285 MB / 0.5919 GB Notification: Performance of NFInst.instExpressions: time 0.0123/0.2031, allocations: 7.054 MB / 0.8585 GB, free: 14.21 MB / 0.6075 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001505/0.2046, allocations: 67.69 kB / 0.8585 GB, free: 14.14 MB / 0.6075 GB Notification: Performance of NFTyping.typeComponents: time 0.004219/0.2088, allocations: 1.534 MB / 0.86 GB, free: 12.61 MB / 0.6075 GB Notification: Performance of NFTyping.typeBindings: time 0.003646/0.2124, allocations: 1.447 MB / 0.8614 GB, free: 11.15 MB / 0.6075 GB Notification: Performance of NFTyping.typeClassSections: time 0.003276/0.2157, allocations: 1.288 MB / 0.8627 GB, free: 9.863 MB / 0.6075 GB Notification: Performance of NFFlatten.flatten: time 0.006651/0.2224, allocations: 5.445 MB / 0.868 GB, free: 4.406 MB / 0.6075 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005126/0.2275, allocations: 3.37 MB / 0.8713 GB, free: 0.9375 MB / 0.6075 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003955/0.2314, allocations: 2.4 MB / 0.8736 GB, free: 14.53 MB / 0.6231 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005466/0.2369, allocations: 3.159 MB / 0.8767 GB, free: 11.36 MB / 0.6231 GB Notification: Performance of NFPackage.collectConstants: time 0.001496/0.2384, allocations: 0.5117 MB / 0.8772 GB, free: 10.85 MB / 0.6231 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003046/0.2415, allocations: 1.291 MB / 0.8785 GB, free: 9.559 MB / 0.6231 GB Notification: Performance of NFScalarize.scalarize: time 0.003231/0.2447, allocations: 2.296 MB / 0.8807 GB, free: 7.258 MB / 0.6231 GB Notification: Performance of NFVerifyModel.verify: time 0.004118/0.2488, allocations: 2.171 MB / 0.8829 GB, free: 5.078 MB / 0.6231 GB Notification: Performance of NFConvertDAE.convert: time 0.01035/0.2592, allocations: 7.759 MB / 0.8904 GB, free: 13.3 MB / 0.6387 GB Notification: Performance of FrontEnd - DAE generated: time 8.626e-06/0.2592, allocations: 0 / 0.8904 GB, free: 13.3 MB / 0.6387 GB Notification: Performance of FrontEnd: time 2.124e-06/0.2592, allocations: 0 / 0.8904 GB, free: 13.3 MB / 0.6387 GB Notification: Performance of Transformations before backend: time 0.0002559/0.2594, allocations: 0 / 0.8904 GB, free: 13.3 MB / 0.6387 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 0.01123/0.2706, allocations: 3.795 MB / 0.8941 GB, free: 9.457 MB / 0.6387 GB Notification: Performance of prepare preOptimizeDAE: time 5.57e-05/0.2707, allocations: 17.34 kB / 0.8942 GB, free: 9.441 MB / 0.6387 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001423/0.2721, allocations: 0.5423 MB / 0.8947 GB, free: 8.891 MB / 0.6387 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01342/0.2855, allocations: 2.425 MB / 0.8971 GB, free: 6.461 MB / 0.6387 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005949/0.2915, allocations: 2.162 MB / 0.8992 GB, free: 4.27 MB / 0.6387 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002911/0.2918, allocations: 275.2 kB / 0.8994 GB, free: 4 MB / 0.6387 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001315/0.2931, allocations: 344 kB / 0.8998 GB, free: 3.664 MB / 0.6387 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01731/0.3104, allocations: 7.122 MB / 0.9067 GB, free: 12.44 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001407/0.3106, allocations: 7.938 kB / 0.9067 GB, free: 12.43 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001258/0.3118, allocations: 140 kB / 0.9069 GB, free: 12.3 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000569/0.3124, allocations: 334 kB / 0.9072 GB, free: 11.97 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0181/0.3305, allocations: 7.035 MB / 0.914 GB, free: 4.922 MB / 0.6544 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03922/0.3697, allocations: 25.98 MB / 0.9394 GB, free: 8.816 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008854/0.3786, allocations: 3.738 MB / 0.9431 GB, free: 5.051 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006449/0.385, allocations: 2.518 MB / 0.9455 GB, free: 2.512 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002992/0.3853, allocations: 57.94 kB / 0.9456 GB, free: 2.457 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.433e-05/0.3854, allocations: 60.5 kB / 0.9456 GB, free: 2.387 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=208): time 5.441e-06/0.3854, allocations: 0 / 0.9456 GB, free: 2.387 MB / 0.6856 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.1063/0.4917, allocations: 30.75 MB / 0.9757 GB, free: 3.645 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001501/0.4918, allocations: 235.6 kB / 0.9759 GB, free: 3.367 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002202/0.494, allocations: 1.427 MB / 0.9773 GB, free: 1.93 MB / 0.7169 GB Notification: Performance of collectPreVariables (initialization): time 0.0004796/0.4945, allocations: 73.64 kB / 0.9773 GB, free: 1.852 MB / 0.7169 GB Notification: Performance of collectInitialEqns (initialization): time 0.001073/0.4956, allocations: 1.534 MB / 0.9788 GB, free: 308 kB / 0.7169 GB Notification: Performance of collectInitialBindings (initialization): time 0.315/0.8106, allocations: 0.9648 MB / 0.9798 GB, free: 133.2 MB / 0.7169 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001275/0.8118, allocations: 0.6361 MB / 0.9804 GB, free: 133.2 MB / 0.7169 GB Notification: Performance of setup shared object (initialization): time 3.55e-05/0.8119, allocations: 305.9 kB / 0.9807 GB, free: 132.9 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005905/0.8178, allocations: 2.692 MB / 0.9833 GB, free: 132.6 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006378/0.8242, allocations: 3.573 MB / 0.9868 GB, free: 130.8 MB / 0.7169 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01232/0.8365, allocations: 6.398 MB / 0.9931 GB, free: 127.8 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.657e-05/0.8365, allocations: 7.844 kB / 0.9931 GB, free: 127.8 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.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.02676/0.8633, allocations: 10.77 MB / 1.004 GB, free: 124.9 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 4.113e-05/0.8633, allocations: 15.78 kB / 1.004 GB, free: 124.9 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.155e-05/0.8634, allocations: 28.28 kB / 1.004 GB, free: 124.9 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01813/0.8815, allocations: 5.56 MB / 1.009 GB, free: 122.9 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003981/0.8855, allocations: 0.9972 MB / 1.01 GB, free: 122.6 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03493/0.9204, allocations: 27.88 MB / 1.037 GB, free: 96.03 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00429/0.9247, allocations: 0.5752 MB / 1.038 GB, free: 95.46 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005291/0.9252, allocations: 155.9 kB / 1.038 GB, free: 95.3 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006803/0.932, allocations: 3.983 MB / 1.042 GB, free: 91.32 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005626/0.9376, allocations: 3.54 MB / 1.045 GB, free: 87.4 MB / 0.7169 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08074/1.018, allocations: 24.48 MB / 1.069 GB, free: 62.46 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.339e-05/1.018, allocations: 8 kB / 1.069 GB, free: 62.46 MB / 0.7169 GB Warning: The linear system: 1 : transformer.conv1.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v1_n[2] ; line2.v1_p[2] ; line2.v3_p[2] ; line2.v3_n[2] ] = [ -transformer.conv1.V2[2] ; line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ; -loadRL.load3.v[2] ; line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1] ] might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ] = [ -loadRL.load1.v[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02359/1.042, allocations: 10.17 MB / 1.079 GB, free: 52.22 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 4.848e-05/1.042, allocations: 16 kB / 1.079 GB, free: 52.2 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.516e-05/1.042, allocations: 24 kB / 1.079 GB, free: 52.18 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0139/1.056, allocations: 4.328 MB / 1.083 GB, free: 47.84 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004277/1.06, allocations: 1.041 MB / 1.084 GB, free: 46.79 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02825/1.089, allocations: 26.75 MB / 1.111 GB, free: 19.45 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004256/1.093, allocations: 0.5558 MB / 1.111 GB, free: 18.89 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004801/1.093, allocations: 152 kB / 1.111 GB, free: 18.75 MB / 0.7169 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = \"V\" fixed = true ) \"Voltage vector\" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = \"V\" fixed = true ) \"Voltage vector\" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i1[2]) - line2.i3[2] - line2.i2[2] 0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.0008711/1.094, allocations: 399.8 kB / 1.112 GB, free: 18.37 MB / 0.7169 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005957/1.095, allocations: 206.7 kB / 1.112 GB, free: 18.16 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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02334/1.118, allocations: 9.928 MB / 1.122 GB, free: 8.207 MB / 0.7169 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.071e-05/1.118, allocations: 28 kB / 1.122 GB, free: 8.18 MB / 0.7169 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.065e-05/1.118, allocations: 19.98 kB / 1.122 GB, free: 8.16 MB / 0.7169 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5e-05/1.118, allocations: 11.95 kB / 1.122 GB, free: 8.148 MB / 0.7169 GB Warning: The linear system: 1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ; line2.v2_p[1] ] = [ line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03573/1.154, allocations: 16.05 MB / 1.137 GB, free: 7.973 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.189e-05/1.154, allocations: 8 kB / 1.137 GB, free: 7.965 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00357/1.158, allocations: 0.7339 MB / 1.138 GB, free: 7.23 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01963/1.177, allocations: 5.177 MB / 1.143 GB, free: 2.031 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006222/1.178, allocations: 79.94 kB / 1.143 GB, free: 1.953 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04349/1.221, allocations: 26.92 MB / 1.169 GB, free: 6.633 MB / 0.7637 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.206e-05/1.221, allocations: 16.03 kB / 1.169 GB, free: 6.617 MB / 0.7637 GB Warning: The linear system: 1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ] = [ line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02629/1.248, allocations: 9.902 MB / 1.179 GB, free: 12.5 MB / 0.7794 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002169/1.25, allocations: 0.6529 MB / 1.18 GB, free: 11.85 MB / 0.7794 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006022/1.25, allocations: 56 kB / 1.18 GB, free: 11.8 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003587/1.254, allocations: 0.5109 MB / 1.18 GB, free: 11.29 MB / 0.7794 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007528/1.255, allocations: 238.2 kB / 1.181 GB, free: 11.05 MB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002464/1.255, allocations: 91.95 kB / 1.181 GB, free: 10.96 MB / 0.7794 GB Notification: Performance of sorting global known variables: time 0.001538/1.256, allocations: 0.9723 MB / 1.182 GB, free: 9.984 MB / 0.7794 GB Notification: Performance of sort global known variables: time 1.01e-07/1.256, allocations: 0 / 1.182 GB, free: 9.984 MB / 0.7794 GB Notification: Performance of remove unused functions: time 0.005864/1.262, allocations: 1.844 MB / 1.183 GB, free: 8.141 MB / 0.7794 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (165): * Single equations (assignments): 162 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(10,44,70.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Warning: The linear system: 1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ] = [ line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of Backend phase and start with SimCode phase: time 0.02661/1.289, allocations: 10.57 MB / 1.194 GB, free: 13.35 MB / 0.795 GB Notification: Performance of simCode: created initialization part: time 0.03006/1.319, allocations: 12.03 MB / 1.205 GB, free: 1.227 MB / 0.795 GB Notification: Performance of simCode: created event and clocks part: time 1.279e-05/1.319, allocations: 0 / 1.205 GB, free: 1.227 MB / 0.795 GB Notification: Performance of simCode: created simulation system equations: time 0.01068/1.33, allocations: 4.242 MB / 1.21 GB, free: 12.95 MB / 0.8106 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001949/1.332, allocations: 270.9 kB / 1.21 GB, free: 12.69 MB / 0.8106 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1/1.432, allocations: 41.89 MB / 1.251 GB, free: 1.59 MB / 0.8419 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003262/1.435, allocations: 2.833 MB / 1.254 GB, free: 14.72 MB / 0.8575 GB Notification: Performance of simCode: alias equations: time 0.004416/1.439, allocations: 1.649 MB / 1.255 GB, free: 13.07 MB / 0.8575 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001893/1.441, allocations: 1.21 MB / 1.256 GB, free: 11.86 MB / 0.8575 GB Notification: Performance of SimCode: time 7.92e-07/1.441, allocations: 0 / 1.256 GB, free: 11.86 MB / 0.8575 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.5468/1.988, allocations: 106.9 MB / 1.361 GB, free: 316.5 MB / 0.92 GB Notification: Performance of buildModelFMU: Generate platform static: time 17.18/19.16, allocations: 9.516 kB / 1.361 GB, free: 316.5 MB / 0.92 GB " [Timeout remaining time 641] (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & python3 -m fmpy simulate --output-file BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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_BalancedStepUp_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1) [Timeout 52.5] [Calling os._exit(0), Time elapsed: 23.366789304996928] Failed to read output from testmodel.py, exit status != 0: 19.325393995000923 19.34337824 19.080229092 Calling exit ...