Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001451/0.001458, allocations: 107.3 kB / 16.41 MB, free: 6.492 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001538/0.001538, allocations: 189.2 kB / 17.34 MB, free: 5.762 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.266/1.266, allocations: 222.9 MB / 241 MB, free: 15.2 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.705/0.705, allocations: 122.9 MB / 414.1 MB, free: 15.79 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001089/0.001089, allocations: 67.78 kB / 0.5681 GB, free: 28.88 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1203/0.1214, allocations: 77.93 MB / 0.6442 GB, free: 9.484 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02065/0.1421, allocations: 18.17 MB / 0.6619 GB, free: 7.25 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.009824/0.152, allocations: 6.785 MB / 0.6685 GB, free: 456 kB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002058/0.1541, allocations: 55.88 kB / 0.6686 GB, free: 400 kB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.004036/0.1582, allocations: 1.472 MB / 0.67 GB, free: 14.91 MB / 0.5137 GB Notification: Performance of NFTyping.typeBindings: time 0.003146/0.1613, allocations: 1.424 MB / 0.6714 GB, free: 13.48 MB / 0.5137 GB Notification: Performance of NFTyping.typeClassSections: time 0.00278/0.1641, allocations: 1.244 MB / 0.6726 GB, free: 12.24 MB / 0.5137 GB Notification: Performance of NFFlatten.flatten: time 0.005761/0.1699, allocations: 5.445 MB / 0.6779 GB, free: 6.781 MB / 0.5137 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008627/0.1785, allocations: 7.076 MB / 0.6848 GB, free: 15.6 MB / 0.5294 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003374/0.1819, allocations: 2.357 MB / 0.6871 GB, free: 13.23 MB / 0.5294 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004323/0.1863, allocations: 2.957 MB / 0.69 GB, free: 10.27 MB / 0.5294 GB Notification: Performance of NFPackage.collectConstants: time 0.00144/0.1877, allocations: 0.5078 MB / 0.6905 GB, free: 9.762 MB / 0.5294 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002926/0.1907, allocations: 1.252 MB / 0.6918 GB, free: 8.508 MB / 0.5294 GB Notification: Performance of NFScalarize.scalarize: time 0.004045/0.1948, allocations: 2.242 MB / 0.6939 GB, free: 6.262 MB / 0.5294 GB Notification: Performance of NFVerifyModel.verify: time 0.004993/0.1998, allocations: 2.163 MB / 0.6961 GB, free: 4.09 MB / 0.5294 GB Notification: Performance of NFConvertDAE.convert: time 0.009241/0.209, allocations: 7.738 MB / 0.7036 GB, free: 12.33 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 5.4e-06/0.2091, allocations: 0 / 0.7036 GB, free: 12.33 MB / 0.545 GB Notification: Performance of FrontEnd: time 1.823e-06/0.2091, allocations: 0 / 0.7036 GB, free: 12.33 MB / 0.545 GB Notification: Performance of Transformations before backend: time 0.0002248/0.2093, allocations: 0 / 0.7036 GB, free: 12.33 MB / 0.545 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 0.01041/0.2197, allocations: 3.784 MB / 0.7073 GB, free: 8.488 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 4.893e-05/0.2198, allocations: 12.03 kB / 0.7073 GB, free: 8.477 MB / 0.545 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001444/0.2212, allocations: 0.5384 MB / 0.7078 GB, free: 7.93 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.013/0.2342, allocations: 2.407 MB / 0.7102 GB, free: 5.516 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004995/0.2393, allocations: 2.175 MB / 0.7123 GB, free: 3.297 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002346/0.2395, allocations: 271.2 kB / 0.7126 GB, free: 3.031 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001293/0.2408, allocations: 344 kB / 0.7129 GB, free: 2.695 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01543/0.2563, allocations: 7.134 MB / 0.7199 GB, free: 11.46 MB / 0.5606 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001027/0.2564, allocations: 3.938 kB / 0.7199 GB, free: 11.45 MB / 0.5606 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008773/0.2573, allocations: 148 kB / 0.72 GB, free: 11.31 MB / 0.5606 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004557/0.2578, allocations: 334 kB / 0.7203 GB, free: 10.98 MB / 0.5606 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0156/0.2734, allocations: 7.032 MB / 0.7272 GB, free: 3.938 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 0.3231/0.5965, allocations: 26.41 MB / 0.753 GB, free: 81.14 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007905/0.6044, allocations: 4.983 MB / 0.7579 GB, free: 79.42 MB / 0.5762 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005717/0.6101, allocations: 2.61 MB / 0.7604 GB, free: 78.66 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002129/0.6104, allocations: 132.4 kB / 0.7605 GB, free: 78.55 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.83e-05/0.6104, allocations: 65.36 kB / 0.7606 GB, free: 78.5 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=208): time 4.118e-06/0.6104, allocations: 0.5938 kB / 0.7606 GB, free: 78.5 MB / 0.5762 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 0.09067/0.7011, allocations: 30.93 MB / 0.7908 GB, free: 62.71 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.714e-05/0.7012, allocations: 243.6 kB / 0.791 GB, free: 62.42 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001563/0.7027, allocations: 1.423 MB / 0.7924 GB, free: 60.99 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 0.0003553/0.7031, allocations: 73.7 kB / 0.7925 GB, free: 60.91 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005265/0.7036, allocations: 1.481 MB / 0.7939 GB, free: 59.42 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 0.000574/0.7042, allocations: 0.9149 MB / 0.7948 GB, free: 58.51 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008853/0.7051, allocations: 0.6396 MB / 0.7955 GB, free: 57.86 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 4.049e-05/0.7052, allocations: 301.1 kB / 0.7957 GB, free: 57.56 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004709/0.7099, allocations: 2.698 MB / 0.7984 GB, free: 54.86 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004995/0.7149, allocations: 3.575 MB / 0.8019 GB, free: 50.9 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.009727/0.7246, allocations: 6.402 MB / 0.8081 GB, free: 44.1 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.249e-05/0.7246, allocations: 8 kB / 0.8081 GB, free: 44.09 MB / 0.5762 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 0.02306/0.7477, allocations: 11.04 MB / 0.8189 GB, free: 32.96 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 3.122e-05/0.7478, allocations: 19.39 kB / 0.8189 GB, free: 32.94 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.073e-05/0.7478, allocations: 31.98 kB / 0.819 GB, free: 32.91 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01713/0.7649, allocations: 5.54 MB / 0.8244 GB, free: 27.36 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003816/0.7688, allocations: 0.9867 MB / 0.8253 GB, free: 26.37 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03377/0.8026, allocations: 28.18 MB / 0.8529 GB, free: 13.76 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004219/0.8068, allocations: 0.5654 MB / 0.8534 GB, free: 13.19 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002935/0.8071, allocations: 151.9 kB / 0.8536 GB, free: 13.04 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007276/0.8144, allocations: 3.991 MB / 0.8575 GB, free: 9.043 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006097/0.8205, allocations: 3.536 MB / 0.8609 GB, free: 5.129 MB / 0.5919 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08482/0.9053, allocations: 24.63 MB / 0.885 GB, free: 11.99 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.475e-05/0.9054, allocations: 11.98 kB / 0.885 GB, free: 11.98 MB / 0.6231 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 0.02514/0.9305, allocations: 10.53 MB / 0.8953 GB, free: 1.305 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 3.36e-05/0.9306, allocations: 21.94 kB / 0.8953 GB, free: 1.285 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.78e-05/0.9306, allocations: 30.06 kB / 0.8953 GB, free: 1.262 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0145/0.9451, allocations: 4.321 MB / 0.8995 GB, free: 12.92 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004411/0.9496, allocations: 1.037 MB / 0.9005 GB, free: 11.88 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03388/0.9835, allocations: 27.11 MB / 0.927 GB, free: 76 kB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004266/0.9878, allocations: 0.5575 MB / 0.9276 GB, free: 15.52 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005368/0.9883, allocations: 151.9 kB / 0.9277 GB, free: 15.37 MB / 0.67 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i2[2]) - line2.i3[2] - line2.i1[2] 0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.001/0.9893, allocations: 398.5 kB / 0.9281 GB, free: 14.97 MB / 0.67 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006632/0.99, allocations: 201.6 kB / 0.9283 GB, free: 14.77 MB / 0.67 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 0.02568/1.016, allocations: 10.16 MB / 0.9382 GB, free: 4.535 MB / 0.67 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.318e-05/1.016, allocations: 32 kB / 0.9382 GB, free: 4.504 MB / 0.67 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.608e-05/1.016, allocations: 16 kB / 0.9382 GB, free: 4.488 MB / 0.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.572e-05/1.016, allocations: 15.94 kB / 0.9383 GB, free: 4.473 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 0.03421/1.05, allocations: 16.28 MB / 0.9542 GB, free: 4.02 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.129e-05/1.05, allocations: 8 kB / 0.9542 GB, free: 4.012 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003208/1.053, allocations: 0.7342 MB / 0.9549 GB, free: 3.277 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01745/1.071, allocations: 5.181 MB / 0.9599 GB, free: 14.07 MB / 0.7012 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004559/1.071, allocations: 71.95 kB / 0.96 GB, free: 14 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03959/1.111, allocations: 27.24 MB / 0.9866 GB, free: 2.285 MB / 0.7169 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.021e-05/1.111, allocations: 16.03 kB / 0.9866 GB, free: 2.27 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 0.02426/1.135, allocations: 10.09 MB / 0.9965 GB, free: 7.93 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001838/1.137, allocations: 0.7133 MB / 0.9972 GB, free: 7.195 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006193/1.138, allocations: 63.92 kB / 0.9972 GB, free: 7.133 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003599/1.141, allocations: 0.5108 MB / 0.9977 GB, free: 6.621 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008479/1.142, allocations: 222.4 kB / 0.9979 GB, free: 6.402 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003334/1.142, allocations: 91.95 kB / 0.998 GB, free: 6.312 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.001601/1.144, allocations: 0.9761 MB / 0.999 GB, free: 5.332 MB / 0.7325 GB Notification: Performance of sort global known variables: time 5.51e-07/1.144, allocations: 0 / 0.999 GB, free: 5.332 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.006844/1.151, allocations: 1.848 MB / 1.001 GB, free: 3.484 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 0.02467/1.176, allocations: 10.75 MB / 1.011 GB, free: 8.477 MB / 0.7481 GB Notification: Performance of simCode: created initialization part: time 0.02758/1.203, allocations: 12.46 MB / 1.023 GB, free: 11.92 MB / 0.7637 GB Notification: Performance of simCode: created event and clocks part: time 1.126e-05/1.203, allocations: 4 kB / 1.023 GB, free: 11.91 MB / 0.7637 GB Notification: Performance of simCode: created simulation system equations: time 0.01025/1.214, allocations: 4.415 MB / 1.028 GB, free: 7.461 MB / 0.7637 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002454/1.216, allocations: 275.5 kB / 1.028 GB, free: 7.199 MB / 0.7637 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.3815/1.598, allocations: 41.61 MB / 1.069 GB, free: 252.4 MB / 0.7637 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00218/1.6, allocations: 2.838 MB / 1.071 GB, free: 251 MB / 0.7637 GB Notification: Performance of simCode: alias equations: time 0.003586/1.603, allocations: 1.656 MB / 1.073 GB, free: 250.4 MB / 0.7637 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001229/1.605, allocations: 1.207 MB / 1.074 GB, free: 249.3 MB / 0.7637 GB Notification: Performance of SimCode: time 8.12e-07/1.605, allocations: 0 / 1.074 GB, free: 249.3 MB / 0.7637 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1172/1.722, allocations: 102.5 MB / 1.174 GB, free: 151.5 MB / 0.7637 GB Notification: Performance of buildModelFMU: Generate platform static: time 14.23/15.95, allocations: 15.97 kB / 1.174 GB, free: 151.5 MB / 0.7637 GB (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)