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 4.0.0+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.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"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001111/0.001111, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001138/0.001138, allocations: 193.1 kB / 16.53 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.33/1.33, allocations: 222.9 MB / 240.2 MB, free: 4.41 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002161/0.002161, allocations: 298.7 kB / 290.7 MB, free: 2.008 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.9372/0.9372, allocations: 169.3 MB / 0.4982 GB, free: 13.95 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001918/0.001918, allocations: 95.27 kB / 0.5954 GB, free: 27.87 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1574/0.1593, allocations: 86.98 MB / 0.6803 GB, free: 0.5352 MB / 478.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02159/0.181, allocations: 18.17 MB / 0.6981 GB, free: 14.3 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.01228/0.1933, allocations: 6.785 MB / 0.7047 GB, free: 7.5 MB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002584/0.1959, allocations: 55.88 kB / 0.7048 GB, free: 7.445 MB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.003933/0.1999, allocations: 1.469 MB / 0.7062 GB, free: 5.973 MB / 0.4981 GB Notification: Performance of NFTyping.typeBindings: time 0.003485/0.2034, allocations: 1.401 MB / 0.7076 GB, free: 4.566 MB / 0.4981 GB Notification: Performance of NFTyping.typeClassSections: time 0.003183/0.2066, allocations: 1.278 MB / 0.7088 GB, free: 3.285 MB / 0.4981 GB Notification: Performance of NFFlatten.flatten: time 0.005925/0.2126, allocations: 5.445 MB / 0.7141 GB, free: 13.83 MB / 0.5137 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01059/0.2232, allocations: 7.182 MB / 0.7211 GB, free: 6.539 MB / 0.5137 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005262/0.2285, allocations: 2.341 MB / 0.7234 GB, free: 4.191 MB / 0.5137 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005013/0.2335, allocations: 2.953 MB / 0.7263 GB, free: 1.23 MB / 0.5137 GB Notification: Performance of NFPackage.collectConstants: time 0.001704/0.2353, allocations: 0.5078 MB / 0.7268 GB, free: 0.7227 MB / 0.5137 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003883/0.2392, allocations: 1.272 MB / 0.728 GB, free: 15.45 MB / 0.5294 GB Notification: Performance of NFScalarize.scalarize: time 0.003205/0.2424, allocations: 2.242 MB / 0.7302 GB, free: 13.2 MB / 0.5294 GB Notification: Performance of NFVerifyModel.verify: time 0.004984/0.2474, allocations: 2.159 MB / 0.7323 GB, free: 11.04 MB / 0.5294 GB Notification: Performance of NFConvertDAE.convert: time 0.008732/0.2562, allocations: 7.705 MB / 0.7399 GB, free: 3.309 MB / 0.5294 GB Notification: Performance of FrontEnd - DAE generated: time 6.432e-06/0.2562, allocations: 0 / 0.7399 GB, free: 3.309 MB / 0.5294 GB Notification: Performance of FrontEnd: time 1.894e-06/0.2562, allocations: 0 / 0.7399 GB, free: 3.309 MB / 0.5294 GB Notification: Performance of Transformations before backend: time 0.0002001/0.2564, allocations: 0 / 0.7399 GB, free: 3.309 MB / 0.5294 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 0.008204/0.2646, allocations: 3.789 MB / 0.7436 GB, free: 15.46 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 5.041e-05/0.2647, allocations: 12.03 kB / 0.7436 GB, free: 15.45 MB / 0.545 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0006873/0.2654, allocations: 0.5423 MB / 0.7441 GB, free: 14.9 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01185/0.2773, allocations: 2.341 MB / 0.7464 GB, free: 12.55 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004437/0.2817, allocations: 2.155 MB / 0.7485 GB, free: 10.35 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000186/0.2819, allocations: 267.2 kB / 0.7487 GB, free: 10.09 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008552/0.2828, allocations: 348 kB / 0.7491 GB, free: 9.75 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01302/0.2958, allocations: 7.092 MB / 0.756 GB, free: 2.551 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.247e-05/0.2959, allocations: 11.84 kB / 0.756 GB, free: 2.539 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004122/0.2963, allocations: 144 kB / 0.7562 GB, free: 2.398 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004388/0.2968, allocations: 330 kB / 0.7565 GB, free: 2.074 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01551/0.3123, allocations: 6.989 MB / 0.7633 GB, free: 11.07 MB / 0.5606 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.3129/0.6253, allocations: 26.52 MB / 0.7892 GB, free: 73.48 MB / 0.5606 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007709/0.6331, allocations: 5.001 MB / 0.7941 GB, free: 70.77 MB / 0.5606 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005596/0.6387, allocations: 2.596 MB / 0.7966 GB, free: 70.03 MB / 0.5606 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002258/0.6389, allocations: 136.1 kB / 0.7967 GB, free: 69.93 MB / 0.5606 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.241e-05/0.639, allocations: 56.67 kB / 0.7968 GB, free: 69.87 MB / 0.5606 GB Notification: Performance of pre-optimization done (n=208): time 4.579e-06/0.639, allocations: 4 kB / 0.7968 GB, free: 69.87 MB / 0.5606 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 0.09516/0.7342, allocations: 30.89 MB / 0.827 GB, free: 55.12 MB / 0.5606 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.806e-05/0.7343, allocations: 243.5 kB / 0.8272 GB, free: 54.83 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001451/0.7357, allocations: 1.4 MB / 0.8286 GB, free: 53.42 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 0.0004054/0.7361, allocations: 73.7 kB / 0.8286 GB, free: 53.34 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004786/0.7366, allocations: 1.48 MB / 0.8301 GB, free: 51.85 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.0005785/0.7372, allocations: 0.9232 MB / 0.831 GB, free: 50.94 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008728/0.7381, allocations: 0.6272 MB / 0.8316 GB, free: 50.3 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 3.524e-05/0.7381, allocations: 312.8 kB / 0.8319 GB, free: 50 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004689/0.7428, allocations: 2.674 MB / 0.8345 GB, free: 47.32 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004967/0.7478, allocations: 3.552 MB / 0.838 GB, free: 43.39 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.009857/0.7577, allocations: 6.375 MB / 0.8442 GB, free: 36.62 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.21e-05/0.7577, allocations: 11.94 kB / 0.8442 GB, free: 36.61 MB / 0.5606 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 0.02379/0.7815, allocations: 10.95 MB / 0.8549 GB, free: 25.55 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 4.181e-05/0.7816, allocations: 19.94 kB / 0.8549 GB, free: 25.54 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.587e-05/0.7816, allocations: 28 kB / 0.855 GB, free: 25.51 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01778/0.7994, allocations: 5.495 MB / 0.8603 GB, free: 20 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004093/0.8036, allocations: 0.9867 MB / 0.8613 GB, free: 19.01 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03654/0.8401, allocations: 28.16 MB / 0.8888 GB, free: 6.422 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004482/0.8447, allocations: 0.5498 MB / 0.8893 GB, free: 5.871 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006972/0.8454, allocations: 151.9 kB / 0.8895 GB, free: 5.723 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008183/0.8536, allocations: 3.964 MB / 0.8933 GB, free: 1.75 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006511/0.8601, allocations: 3.505 MB / 0.8968 GB, free: 13.87 MB / 0.5919 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0979/0.9581, allocations: 24.6 MB / 0.9208 GB, free: 4.762 MB / 0.6075 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.441e-05/0.9581, allocations: 4 kB / 0.9208 GB, free: 4.758 MB / 0.6075 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 0.02967/0.9878, allocations: 10.49 MB / 0.931 GB, free: 10.12 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 3.976e-05/0.9879, allocations: 20 kB / 0.9311 GB, free: 10.11 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.581e-05/0.9879, allocations: 27.94 kB / 0.9311 GB, free: 10.08 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01478/1.003, allocations: 4.267 MB / 0.9353 GB, free: 5.789 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004769/1.008, allocations: 1.034 MB / 0.9363 GB, free: 4.754 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03552/1.043, allocations: 27.14 MB / 0.9628 GB, free: 8.906 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004378/1.048, allocations: 0.5342 MB / 0.9633 GB, free: 8.371 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000735/1.048, allocations: 147.9 kB / 0.9634 GB, free: 8.227 MB / 0.6544 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.i2[2] - line2.i3[2] 0.0 = (-line2.i1[1]) - line2.i2[1] - line2.i3[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.001616/1.05, allocations: 411.1 kB / 0.9638 GB, free: 7.816 MB / 0.6544 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001014/1.051, allocations: 197.6 kB / 0.964 GB, free: 7.621 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 : 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 0.02713/1.078, allocations: 10.17 MB / 0.9739 GB, free: 13.38 MB / 0.67 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.463e-05/1.078, allocations: 24 kB / 0.974 GB, free: 13.36 MB / 0.67 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.288e-05/1.078, allocations: 19.98 kB / 0.974 GB, free: 13.34 MB / 0.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.614e-05/1.078, allocations: 19.94 kB / 0.974 GB, free: 13.32 MB / 0.67 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 0.03584/1.114, allocations: 16.31 MB / 0.9899 GB, free: 12.83 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.172e-05/1.114, allocations: 8 kB / 0.9899 GB, free: 12.82 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003439/1.118, allocations: 0.7375 MB / 0.9907 GB, free: 12.08 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01786/1.135, allocations: 5.126 MB / 0.9957 GB, free: 6.938 MB / 0.6856 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005025/1.136, allocations: 75.89 kB / 0.9957 GB, free: 6.863 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03896/1.175, allocations: 27.21 MB / 1.022 GB, free: 11.18 MB / 0.7169 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.158e-05/1.175, allocations: 12.03 kB / 1.022 GB, free: 11.17 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 : 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 0.02533/1.2, allocations: 10.13 MB / 1.032 GB, free: 0.793 MB / 0.7169 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001629/1.202, allocations: 0.7211 MB / 1.033 GB, free: 52 kB / 0.7169 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006284/1.203, allocations: 48 kB / 1.033 GB, free: 4 kB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003542/1.206, allocations: 0.5067 MB / 1.033 GB, free: 15.5 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007592/1.207, allocations: 234.3 kB / 1.034 GB, free: 15.27 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002649/1.207, allocations: 91.95 kB / 1.034 GB, free: 15.18 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.001353/1.209, allocations: 0.9528 MB / 1.035 GB, free: 14.22 MB / 0.7325 GB Notification: Performance of sort global known variables: time 1.3e-07/1.209, allocations: 0 / 1.035 GB, free: 14.22 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.006103/1.215, allocations: 1.832 MB / 1.036 GB, free: 12.39 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 : 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 0.0259/1.241, allocations: 10.78 MB / 1.047 GB, free: 1.344 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.2967/1.537, allocations: 14.33 MB / 1.061 GB, free: 246 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 1.256e-05/1.537, allocations: 2.719 kB / 1.061 GB, free: 246 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.01087/1.548, allocations: 4.394 MB / 1.065 GB, free: 245 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002204/1.551, allocations: 271.8 kB / 1.066 GB, free: 244.9 MB / 0.7325 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.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 0.0846/1.635, allocations: 43.68 MB / 1.108 GB, free: 218.6 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002377/1.638, allocations: 2.834 MB / 1.111 GB, free: 215.7 MB / 0.7325 GB Notification: Performance of simCode: alias equations: time 0.004266/1.642, allocations: 1.642 MB / 1.113 GB, free: 214.1 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001289/1.643, allocations: 1.206 MB / 1.114 GB, free: 212.9 MB / 0.7325 GB Notification: Performance of SimCode: time 6.82e-07/1.643, allocations: 0 / 1.114 GB, free: 212.9 MB / 0.7325 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1246/1.768, allocations: 100.8 MB / 1.212 GB, free: 112.6 MB / 0.7325 GB Notification: Performance of buildModelFMU: Generate platform static: time 12.29/14.06, allocations: 14.09 kB / 1.212 GB, free: 112.6 MB / 0.7325 GB (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)