Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 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.UnbalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001091/0.001091, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001115/0.001115, allocations: 192.8 kB / 16.53 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.307/1.307, allocations: 222.9 MB / 240.2 MB, free: 4.414 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002149/0.002149, allocations: 267.2 kB / 290.7 MB, free: 2.016 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.9421/0.9421, allocations: 169.3 MB / 0.4982 GB, free: 13.95 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001748/0.001748, allocations: 98.77 kB / 0.5954 GB, free: 27.99 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1588/0.1606, allocations: 86.98 MB / 0.6803 GB, free: 0.5781 MB / 478.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02152/0.1821, allocations: 18.26 MB / 0.6982 GB, free: 14.27 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.01167/0.1939, allocations: 6.812 MB / 0.7048 GB, free: 7.438 MB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001898/0.1958, allocations: 55.88 kB / 0.7049 GB, free: 7.383 MB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.003948/0.1998, allocations: 1.46 MB / 0.7063 GB, free: 5.918 MB / 0.4981 GB Notification: Performance of NFTyping.typeBindings: time 0.003595/0.2034, allocations: 1.404 MB / 0.7077 GB, free: 4.508 MB / 0.4981 GB Notification: Performance of NFTyping.typeClassSections: time 0.003166/0.2066, allocations: 1.293 MB / 0.7089 GB, free: 3.215 MB / 0.4981 GB Notification: Performance of NFFlatten.flatten: time 0.005552/0.2122, allocations: 5.468 MB / 0.7143 GB, free: 13.73 MB / 0.5137 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008633/0.2208, allocations: 7.237 MB / 0.7213 GB, free: 6.391 MB / 0.5137 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00331/0.2242, allocations: 2.361 MB / 0.7236 GB, free: 4.023 MB / 0.5137 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004118/0.2283, allocations: 2.957 MB / 0.7265 GB, free: 1.059 MB / 0.5137 GB Notification: Performance of NFPackage.collectConstants: time 0.001127/0.2294, allocations: 0.5156 MB / 0.727 GB, free: 0.543 MB / 0.5137 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002445/0.2319, allocations: 1.28 MB / 0.7283 GB, free: 15.26 MB / 0.5294 GB Notification: Performance of NFScalarize.scalarize: time 0.002044/0.2339, allocations: 2.246 MB / 0.7305 GB, free: 13.01 MB / 0.5294 GB Notification: Performance of NFVerifyModel.verify: time 0.002287/0.2362, allocations: 2.187 MB / 0.7326 GB, free: 10.82 MB / 0.5294 GB Notification: Performance of NFConvertDAE.convert: time 0.007158/0.2434, allocations: 7.74 MB / 0.7402 GB, free: 3.055 MB / 0.5294 GB Notification: Performance of FrontEnd - DAE generated: time 4.618e-06/0.2434, allocations: 0 / 0.7402 GB, free: 3.055 MB / 0.5294 GB Notification: Performance of FrontEnd: time 1.523e-06/0.2435, allocations: 0 / 0.7402 GB, free: 3.055 MB / 0.5294 GB Notification: Performance of Transformations before backend: time 0.000148/0.2436, allocations: 0 / 0.7402 GB, free: 3.055 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: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.00784/0.2514, allocations: 3.823 MB / 0.7439 GB, free: 15.17 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 4.227e-05/0.2515, allocations: 8.031 kB / 0.7439 GB, free: 15.16 MB / 0.545 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0007043/0.2522, allocations: 0.5543 MB / 0.7444 GB, free: 14.6 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01232/0.2645, allocations: 2.341 MB / 0.7467 GB, free: 12.25 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004796/0.2694, allocations: 2.167 MB / 0.7488 GB, free: 10.04 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001933/0.2696, allocations: 271.3 kB / 0.7491 GB, free: 9.777 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008304/0.2704, allocations: 352 kB / 0.7494 GB, free: 9.434 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01387/0.2843, allocations: 7.124 MB / 0.7564 GB, free: 2.203 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.69e-05/0.2844, allocations: 8 kB / 0.7564 GB, free: 2.195 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000421/0.2848, allocations: 148 kB / 0.7565 GB, free: 2.051 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004516/0.2853, allocations: 334.1 kB / 0.7569 GB, free: 1.723 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01474/0.3, allocations: 7.005 MB / 0.7637 GB, free: 10.71 MB / 0.5606 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 0.3298/0.6299, allocations: 26.66 MB / 0.7897 GB, free: 72.95 MB / 0.5606 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007427/0.6373, allocations: 4.987 MB / 0.7946 GB, free: 70.26 MB / 0.5606 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005603/0.643, allocations: 2.599 MB / 0.7971 GB, free: 69.52 MB / 0.5606 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002186/0.6432, allocations: 135.9 kB / 0.7973 GB, free: 69.42 MB / 0.5606 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.563e-05/0.6433, allocations: 65.28 kB / 0.7973 GB, free: 69.36 MB / 0.5606 GB Notification: Performance of pre-optimization done (n=208): time 3.838e-06/0.6433, allocations: 0 / 0.7973 GB, free: 69.36 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.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 0.09734/0.7406, allocations: 30.96 MB / 0.8276 GB, free: 54.54 MB / 0.5606 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.438e-05/0.7407, allocations: 243.6 kB / 0.8278 GB, free: 54.26 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001589/0.7423, allocations: 1.446 MB / 0.8292 GB, free: 52.8 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 0.0004196/0.7427, allocations: 65.7 kB / 0.8293 GB, free: 52.73 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004988/0.7432, allocations: 1.505 MB / 0.8307 GB, free: 51.22 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.0005835/0.7438, allocations: 0.9187 MB / 0.8316 GB, free: 50.31 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008932/0.7447, allocations: 0.6318 MB / 0.8323 GB, free: 49.67 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 3.601e-05/0.7448, allocations: 301.1 kB / 0.8325 GB, free: 49.37 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004829/0.7496, allocations: 2.674 MB / 0.8352 GB, free: 46.69 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00513/0.7547, allocations: 3.552 MB / 0.8386 GB, free: 42.76 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0101/0.7649, allocations: 6.382 MB / 0.8449 GB, free: 35.98 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.606e-05/0.7649, allocations: 8 kB / 0.8449 GB, free: 35.98 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.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 0.02426/0.7892, allocations: 10.99 MB / 0.8556 GB, free: 24.88 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 4.021e-05/0.7892, allocations: 24 kB / 0.8556 GB, free: 24.86 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.818e-05/0.7892, allocations: 24 kB / 0.8556 GB, free: 24.84 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01741/0.8067, allocations: 5.478 MB / 0.861 GB, free: 19.34 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003878/0.8106, allocations: 0.9828 MB / 0.862 GB, free: 18.36 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03709/0.8477, allocations: 28.17 MB / 0.8895 GB, free: 5.758 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004284/0.852, allocations: 0.5536 MB / 0.89 GB, free: 5.203 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003613/0.8524, allocations: 155.8 kB / 0.8901 GB, free: 5.055 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007575/0.86, allocations: 3.968 MB / 0.894 GB, free: 1.078 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006231/0.8662, allocations: 3.513 MB / 0.8975 GB, free: 13.19 MB / 0.5919 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08983/0.9561, allocations: 24.59 MB / 0.9215 GB, free: 4.094 MB / 0.6075 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.646e-05/0.9561, allocations: 11.94 kB / 0.9215 GB, free: 4.082 MB / 0.6075 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 0.02633/0.9825, allocations: 10.49 MB / 0.9317 GB, free: 9.441 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 3.495e-05/0.9825, allocations: 16 kB / 0.9317 GB, free: 9.426 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.798e-05/0.9826, allocations: 24 kB / 0.9318 GB, free: 9.402 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01525/0.9978, allocations: 4.263 MB / 0.9359 GB, free: 5.121 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004843/1.003, allocations: 1.028 MB / 0.9369 GB, free: 4.094 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03667/1.039, allocations: 27.15 MB / 0.9634 GB, free: 8.242 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004651/1.044, allocations: 0.538 MB / 0.964 GB, free: 7.703 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006472/1.045, allocations: 151.9 kB / 0.9641 GB, free: 7.555 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.i2[2]) - line2.i1[2] - line2.i3[2] 0.0 = (-line2.i2[1]) - line2.i1[1] - line2.i3[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.001341/1.046, allocations: 399.3 kB / 0.9645 GB, free: 7.156 MB / 0.6544 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008841/1.047, allocations: 205.5 kB / 0.9647 GB, free: 6.953 MB / 0.6544 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02629/1.073, allocations: 10.16 MB / 0.9746 GB, free: 12.71 MB / 0.67 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.159e-05/1.073, allocations: 24 kB / 0.9746 GB, free: 12.69 MB / 0.67 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.344e-05/1.073, allocations: 16 kB / 0.9747 GB, free: 12.67 MB / 0.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.454e-05/1.073, allocations: 15.94 kB / 0.9747 GB, free: 12.66 MB / 0.67 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 0.03564/1.109, allocations: 16.3 MB / 0.9906 GB, free: 12.16 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.803e-05/1.109, allocations: 8 kB / 0.9906 GB, free: 12.16 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003416/1.113, allocations: 0.7333 MB / 0.9913 GB, free: 11.42 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01806/1.131, allocations: 5.115 MB / 0.9963 GB, free: 6.285 MB / 0.6856 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006899/1.131, allocations: 79.94 kB / 0.9964 GB, free: 6.207 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04005/1.172, allocations: 27.24 MB / 1.023 GB, free: 10.48 MB / 0.7169 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.121e-05/1.172, allocations: 16.02 kB / 1.023 GB, free: 10.47 MB / 0.7169 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 0.02631/1.198, allocations: 10.09 MB / 1.033 GB, free: 124 kB / 0.7169 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002009/1.2, allocations: 0.7211 MB / 1.034 GB, free: 15.38 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008755/1.201, allocations: 55.98 kB / 1.034 GB, free: 15.32 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003806/1.205, allocations: 0.5063 MB / 1.034 GB, free: 14.82 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000933/1.206, allocations: 226.4 kB / 1.034 GB, free: 14.59 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003472/1.206, allocations: 91.89 kB / 1.034 GB, free: 14.5 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.001631/1.208, allocations: 0.9816 MB / 1.035 GB, free: 13.52 MB / 0.7325 GB Notification: Performance of sort global known variables: time 2.4e-07/1.208, allocations: 0 / 1.035 GB, free: 13.52 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.006825/1.214, allocations: 1.846 MB / 1.037 GB, free: 11.68 MB / 0.7325 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (165): * Single equations (assignments): 162 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(10,44,70.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of Backend phase and start with SimCode phase: time 0.02566/1.24, allocations: 10.75 MB / 1.048 GB, free: 0.6602 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.3415/1.582, allocations: 14.34 MB / 1.062 GB, free: 246.1 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 1.222e-05/1.582, allocations: 0 / 1.062 GB, free: 246.1 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.01057/1.592, allocations: 4.424 MB / 1.066 GB, free: 245.1 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002216/1.595, allocations: 289.8 kB / 1.066 GB, free: 245 MB / 0.7325 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. 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 0.09226/1.687, allocations: 44.1 MB / 1.109 GB, free: 217.5 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003813/1.691, allocations: 2.846 MB / 1.112 GB, free: 214.6 MB / 0.7325 GB Notification: Performance of simCode: alias equations: time 0.004862/1.696, allocations: 1.642 MB / 1.114 GB, free: 213 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001652/1.697, allocations: 1.222 MB / 1.115 GB, free: 211.8 MB / 0.7325 GB Notification: Performance of SimCode: time 7.01e-07/1.697, allocations: 0 / 1.115 GB, free: 211.8 MB / 0.7325 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1304/1.828, allocations: 101.7 MB / 1.214 GB, free: 110.6 MB / 0.7325 GB Notification: Performance of buildModelFMU: Generate platform static: time 12.42/14.25, allocations: 8.328 kB / 1.214 GB, free: 110.6 MB / 0.7325 GB (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file BuildingSystems_BuildingSystems.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 BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)