Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo", uses=false) 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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 3.0.0/package.mo", uses=false) Using package Buildings with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 3.0.0/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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) Using package Modelica_StateGraph2 with version 2.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:257:38-257:110:writable] Warning: The file was not encoded in UTF-8: "

An important practical aspect of state machines is the abilit...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:761:36-761:108:writable] Warning: The file was not encoded in UTF-8: "

The Modelica_StateGraph2 library is described in detail in (O...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:1435:36-1435:108:writable] Warning: The file was not encoded in UTF-8: "

Main Authors:
SCode: time 0.2008/0.2026, allocations: 80.83 MB / 0.5897 GB, free: 7.094 MB / 446.1 MB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02139/0.2241, allocations: 17.94 MB / 0.6072 GB, free: 5.07 MB / 462.1 MB Notification: Performance of NFInst.instExpressions: time 0.01227/0.2364, allocations: 7.055 MB / 0.6141 GB, free: 14 MB / 478.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002573/0.2391, allocations: 43.88 kB / 0.6142 GB, free: 13.95 MB / 478.1 MB Notification: Performance of NFTyping.typeComponents: time 0.003939/0.2431, allocations: 1.346 MB / 0.6155 GB, free: 12.61 MB / 478.1 MB Notification: Performance of NFTyping.typeBindings: time 0.004108/0.2472, allocations: 1.351 MB / 0.6168 GB, free: 11.25 MB / 478.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.00362/0.2509, allocations: 1.177 MB / 0.618 GB, free: 10.07 MB / 478.1 MB Notification: Performance of NFFlatten.flatten: time 0.01133/0.2622, allocations: 8.421 MB / 0.6262 GB, free: 1.637 MB / 478.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.01087/0.2731, allocations: 7.957 MB / 0.6339 GB, free: 9.578 MB / 494.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.004128/0.2773, allocations: 1.962 MB / 0.6359 GB, free: 7.609 MB / 494.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.005619/0.2829, allocations: 3.07 MB / 0.6389 GB, free: 4.531 MB / 494.1 MB Notification: Performance of NFPackage.collectConstants: time 0.001008/0.2839, allocations: 372 kB / 0.6392 GB, free: 4.168 MB / 494.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.00294/0.2869, allocations: 1.295 MB / 0.6405 GB, free: 2.871 MB / 494.1 MB Notification: Performance of NFScalarize.scalarize: time 0.00218/0.2891, allocations: 2.054 MB / 0.6425 GB, free: 0.8125 MB / 494.1 MB Notification: Performance of NFVerifyModel.verify: time 0.002455/0.2915, allocations: 1.972 MB / 0.6444 GB, free: 14.83 MB / 0.4981 GB Notification: Performance of NFConvertDAE.convert: time 0.008336/0.2999, allocations: 7.595 MB / 0.6518 GB, free: 7.215 MB / 0.4981 GB Notification: Performance of FrontEnd - DAE generated: time 6.442e-06/0.2999, allocations: 0 / 0.6518 GB, free: 7.215 MB / 0.4981 GB Notification: Performance of FrontEnd: time 1.412e-06/0.2999, allocations: 4 kB / 0.6518 GB, free: 7.211 MB / 0.4981 GB Notification: Performance of Transformations before backend: time 0.0001932/0.3001, allocations: 0 / 0.6518 GB, free: 7.211 MB / 0.4981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 991 * Number of variables: 991 Notification: Performance of Generate backend data structure: time 0.008614/0.3088, allocations: 3.815 MB / 0.6556 GB, free: 3.336 MB / 0.4981 GB Notification: Performance of prepare preOptimizeDAE: time 4.707e-05/0.3088, allocations: 8.031 kB / 0.6556 GB, free: 3.328 MB / 0.4981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0118/0.3206, allocations: 2.329 MB / 0.6578 GB, free: 0.9922 MB / 0.4981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005331/0.326, allocations: 2.166 MB / 0.66 GB, free: 14.78 MB / 0.5137 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002337/0.3263, allocations: 267.1 kB / 0.6602 GB, free: 14.52 MB / 0.5137 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001222/0.3275, allocations: 348 kB / 0.6605 GB, free: 14.18 MB / 0.5137 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01727/0.3448, allocations: 7.12 MB / 0.6675 GB, free: 6.961 MB / 0.5137 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.258e-05/0.3449, allocations: 7.938 kB / 0.6675 GB, free: 6.953 MB / 0.5137 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005462/0.3455, allocations: 152 kB / 0.6677 GB, free: 6.805 MB / 0.5137 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006277/0.3461, allocations: 330.1 kB / 0.668 GB, free: 6.48 MB / 0.5137 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01874/0.3649, allocations: 6.993 MB / 0.6748 GB, free: 15.47 MB / 0.5294 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.4093/0.7742, allocations: 20.96 MB / 0.6953 GB, free: 81.4 MB / 0.5294 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007928/0.7822, allocations: 5.103 MB / 0.7002 GB, free: 79.8 MB / 0.5294 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005988/0.7882, allocations: 2.659 MB / 0.7028 GB, free: 79.73 MB / 0.5294 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003057/0.7885, allocations: 134.3 kB / 0.703 GB, free: 79.64 MB / 0.5294 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.337e-05/0.7886, allocations: 66.72 kB / 0.703 GB, free: 79.6 MB / 0.5294 GB Notification: Performance of pre-optimization done (n=208): time 4.879e-06/0.7886, allocations: 0 / 0.703 GB, free: 79.6 MB / 0.5294 GB Warning: The linear system: 1 : line2.terminal_n.phase[1].v[1] - line2.terminal_p.phase[1].v[1] = line2.Z11[1] * line2.i1[1] + line2.Z12[1] * line2.i2[1] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] - line2.Z11[2] * line2.i1[2] 2 : transformer.conv1.terminal_p.v[1] = line2.terminal_n.phase[1].v[1] - line2.terminal_n.phase[2].v[1] 3 : line2.terminal_n.phase[2].v[1] - line2.terminal_p.phase[2].v[1] = line2.Z21[1] * line2.i1[1] + line2.Z22[1] * line2.i2[1] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] - line2.Z21[2] * line2.i1[2] 4 : loadRL.load1.v[1] = line2.terminal_p.phase[1].v[1] - line2.terminal_p.phase[2].v[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.terminal_p.phase[1].v[1] ; line2.terminal_p.phase[2].v[1] ; line2.terminal_n.phase[2].v[1] ; line2.terminal_n.phase[1].v[1] ] = [ line2.Z12[1] * line2.i2[1] + line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] - line2.Z11[2] * line2.i1[2] - line2.Z12[2] * line2.i2[2] - line2.Z13[2] * line2.i3[2] ; -transformer.conv1.terminal_p.v[1] ; line2.Z22[1] * line2.i2[1] + line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] - line2.Z21[2] * line2.i1[2] - line2.Z22[2] * line2.i2[2] - line2.Z23[2] * line2.i3[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.terminal_n.phase[1].v[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 0.08421/0.8728, allocations: 27.43 MB / 0.7298 GB, free: 70.12 MB / 0.5294 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.362e-05/0.873, allocations: 239.3 kB / 0.7301 GB, free: 69.86 MB / 0.5294 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00191/0.8749, allocations: 1.446 MB / 0.7315 GB, free: 69.09 MB / 0.5294 GB Notification: Performance of collectPreVariables (initialization): time 0.000536/0.8754, allocations: 71.8 kB / 0.7315 GB, free: 69.02 MB / 0.5294 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006615/0.8761, allocations: 1.48 MB / 0.733 GB, free: 67.72 MB / 0.5294 GB Notification: Performance of collectInitialBindings (initialization): time 0.0008779/0.877, allocations: 0.9191 MB / 0.7339 GB, free: 66.93 MB / 0.5294 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009997/0.878, allocations: 0.6328 MB / 0.7345 GB, free: 66.59 MB / 0.5294 GB Notification: Performance of setup shared object (initialization): time 6.085e-05/0.8781, allocations: 309.1 kB / 0.7348 GB, free: 66.28 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004854/0.8829, allocations: 2.686 MB / 0.7374 GB, free: 64.09 MB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005179/0.8881, allocations: 3.575 MB / 0.7409 GB, free: 60.14 MB / 0.5294 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01007/0.8982, allocations: 6.454 MB / 0.7472 GB, free: 53.29 MB / 0.5294 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.503e-05/0.8983, allocations: 8.875 kB / 0.7472 GB, free: 53.28 MB / 0.5294 GB Warning: The linear system: 1 : line2.terminal_n.phase[1].v[1] - line2.terminal_p.phase[1].v[1] = line2.Z11[1] * line2.i1[1] + line2.Z12[1] * line2.i2[1] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] - line2.Z11[2] * line2.i1[2] 2 : loadRL.load1.v[1] = line2.terminal_p.phase[1].v[1] - line2.terminal_p.phase[2].v[1] 3 : line2.terminal_n.phase[2].v[1] - line2.terminal_p.phase[2].v[1] = line2.Z21[1] * line2.i1[1] + line2.Z22[1] * line2.i2[1] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] - line2.Z21[2] * line2.i1[2] 4 : transformer.conv1.terminal_p.v[1] = line2.terminal_n.phase[1].v[1] - line2.terminal_n.phase[2].v[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.terminal_n.phase[1].v[1] ; line2.terminal_n.phase[2].v[1] ; line2.terminal_p.phase[2].v[1] ; line2.terminal_p.phase[1].v[1] ] = [ line2.Z12[1] * line2.i2[1] + line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] - line2.Z11[2] * line2.i1[2] - line2.Z12[2] * line2.i2[2] - line2.Z13[2] * line2.i3[2] ; -loadRL.load1.v[1] ; line2.Z22[1] * line2.i2[1] + line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] - line2.Z21[2] * line2.i1[2] - line2.Z22[2] * line2.i2[2] - line2.Z23[2] * line2.i3[2] ; -transformer.conv1.terminal_p.v[1] ] might be structurally or numerically singular for variable line2.terminal_p.phase[1].v[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 0.02454/0.9228, allocations: 10.89 MB / 0.7579 GB, free: 42.28 MB / 0.5294 GB Notification: Performance of prepare postOptimizeDAE: time 6.697e-05/0.9229, allocations: 20.09 kB / 0.7579 GB, free: 42.26 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.52e-05/0.923, allocations: 24 kB / 0.7579 GB, free: 42.24 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01804/0.941, allocations: 5.396 MB / 0.7632 GB, free: 36.83 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004302/0.9454, allocations: 0.9867 MB / 0.7641 GB, free: 35.84 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03468/0.9801, allocations: 25.76 MB / 0.7893 GB, free: 9.691 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004344/0.9845, allocations: 0.5419 MB / 0.7898 GB, free: 9.148 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003895/0.9849, allocations: 160.5 kB / 0.79 GB, free: 8.992 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007009/0.9919, allocations: 3.995 MB / 0.7939 GB, free: 4.988 MB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005051/0.997, allocations: 3.532 MB / 0.7973 GB, free: 1.078 MB / 0.5294 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08931/1.086, allocations: 24.83 MB / 0.8216 GB, free: 7.746 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.072e-05/1.086, allocations: 12 kB / 0.8216 GB, free: 7.734 MB / 0.5606 GB Warning: The linear system: 1 : transformer.conv3.terminal_p.v[2] = line2.terminal_n.phase[3].v[2] - line2.terminal_n.phase[1].v[2] 2 : line2.terminal_n.phase[1].v[2] - line2.terminal_p.phase[1].v[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] 3 : loadRL.load3.v[2] = line2.terminal_p.phase[3].v[2] - line2.terminal_p.phase[1].v[2] 4 : line2.terminal_n.phase[3].v[2] - line2.terminal_p.phase[3].v[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] [ -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.terminal_n.phase[3].v[2] ; line2.terminal_p.phase[3].v[2] ; line2.terminal_p.phase[1].v[2] ; line2.terminal_n.phase[1].v[2] ] = [ -transformer.conv3.terminal_p.v[2] ; line2.Z13[1] * line2.i3[2] + line2.Z11[2] * line2.i1[1] + line2.Z11[1] * line2.i1[2] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[2] * line2.i3[1] ; -loadRL.load3.v[2] ; line2.Z33[1] * line2.i3[2] + line2.Z31[2] * line2.i1[1] + line2.Z31[1] * line2.i1[2] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[2] * line2.i3[1] ] might be structurally or numerically singular for variable line2.terminal_n.phase[1].v[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.terminal_p.phase[1].v[1] - line2.terminal_p.phase[2].v[1] 2 : line2.terminal_n.phase[2].v[1] - line2.terminal_p.phase[2].v[1] = line2.Z21[1] * line2.i1[1] + line2.Z22[1] * line2.i2[1] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] - line2.Z21[2] * line2.i1[2] 3 : transformer.conv1.terminal_p.v[1] = line2.terminal_n.phase[1].v[1] - line2.terminal_n.phase[2].v[1] 4 : line2.terminal_n.phase[1].v[1] - line2.terminal_p.phase[1].v[1] = line2.Z11[1] * line2.i1[1] + line2.Z12[1] * line2.i2[1] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] - line2.Z11[2] * line2.i1[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.terminal_p.phase[1].v[1] ; line2.terminal_n.phase[1].v[1] ; line2.terminal_n.phase[2].v[1] ; line2.terminal_p.phase[2].v[1] ] = [ -loadRL.load1.v[1] ; line2.Z22[1] * line2.i2[1] + line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] - line2.Z21[2] * line2.i1[2] - line2.Z22[2] * line2.i2[2] - line2.Z23[2] * line2.i3[2] ; -transformer.conv1.terminal_p.v[1] ; line2.Z12[1] * line2.i2[1] + line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] - line2.Z11[2] * line2.i1[2] - line2.Z12[2] * line2.i2[2] - line2.Z13[2] * line2.i3[2] ] might be structurally or numerically singular for variable line2.terminal_p.phase[2].v[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 0.02635/1.113, allocations: 10.49 MB / 0.8318 GB, free: 13.09 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 5.655e-05/1.113, allocations: 17.59 kB / 0.8318 GB, free: 13.08 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.784e-05/1.113, allocations: 24.56 kB / 0.8319 GB, free: 13.05 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01531/1.128, allocations: 4.208 MB / 0.836 GB, free: 8.836 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004745/1.133, allocations: 1.03 MB / 0.837 GB, free: 7.805 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03463/1.168, allocations: 24.81 MB / 0.8612 GB, free: 14.34 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004859/1.173, allocations: 0.5302 MB / 0.8617 GB, free: 13.8 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005001/1.173, allocations: 144 kB / 0.8619 GB, free: 13.66 MB / 0.6075 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 0.001217/1.174, allocations: 398.4 kB / 0.8622 GB, free: 13.27 MB / 0.6075 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006967/1.175, allocations: 193.7 kB / 0.8624 GB, free: 13.08 MB / 0.6075 GB Warning: The linear system: 1 : line2.terminal_n.phase[1].v[1] - line2.terminal_p.phase[1].v[1] = line2.Z11[1] * line2.i1[1] + line2.Z12[1] * line2.i2[1] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] - line2.Z11[2] * line2.i1[2] 2 : loadRL.load1.v[1] = line2.terminal_p.phase[1].v[1] - line2.terminal_p.phase[2].v[1] 3 : line2.terminal_n.phase[2].v[1] - line2.terminal_p.phase[2].v[1] = line2.Z21[1] * line2.i1[1] + line2.Z22[1] * line2.i2[1] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] - line2.Z21[2] * line2.i1[2] 4 : transformer.conv1.terminal_p.v[1] = line2.terminal_n.phase[1].v[1] - line2.terminal_n.phase[2].v[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.terminal_n.phase[1].v[1] ; line2.terminal_n.phase[2].v[1] ; line2.terminal_p.phase[2].v[1] ; line2.terminal_p.phase[1].v[1] ] = [ line2.Z12[1] * line2.i2[1] + line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] - line2.Z11[2] * line2.i1[2] - line2.Z12[2] * line2.i2[2] - line2.Z13[2] * line2.i3[2] ; -loadRL.load1.v[1] ; line2.Z22[1] * line2.i2[1] + line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] - line2.Z21[2] * line2.i1[2] - line2.Z22[2] * line2.i2[2] - line2.Z23[2] * line2.i3[2] ; -transformer.conv1.terminal_p.v[1] ] might be structurally or numerically singular for variable line2.terminal_p.phase[1].v[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02584/1.201, allocations: 10.11 MB / 0.8723 GB, free: 2.895 MB / 0.6075 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.127e-05/1.201, allocations: 32 kB / 0.8723 GB, free: 2.863 MB / 0.6075 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.823e-05/1.201, allocations: 12 kB / 0.8723 GB, free: 2.852 MB / 0.6075 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.376e-05/1.201, allocations: 15.95 kB / 0.8724 GB, free: 2.836 MB / 0.6075 GB Warning: The linear system: 1 : transformer.conv1.terminal_p.v[1] = line2.terminal_n.phase[1].v[1] - line2.terminal_n.phase[2].v[1] 2 : line2.terminal_n.phase[1].v[1] - line2.terminal_p.phase[1].v[1] = line2.Z11[1] * line2.i1[1] + line2.Z12[1] * line2.i2[1] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] - line2.Z11[2] * line2.i1[2] 3 : loadRL.load1.v[1] = line2.terminal_p.phase[1].v[1] - line2.terminal_p.phase[2].v[1] 4 : line2.terminal_n.phase[2].v[1] - line2.terminal_p.phase[2].v[1] = line2.Z21[1] * line2.i1[1] + line2.Z22[1] * line2.i2[1] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] - line2.Z21[2] * line2.i1[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.terminal_n.phase[2].v[1] ; line2.terminal_p.phase[2].v[1] ; line2.terminal_p.phase[1].v[1] ; line2.terminal_n.phase[1].v[1] ] = [ -transformer.conv1.terminal_p.v[1] ; line2.Z12[1] * line2.i2[1] + line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] - line2.Z11[2] * line2.i1[2] - line2.Z12[2] * line2.i2[2] - line2.Z13[2] * line2.i3[2] ; -loadRL.load1.v[1] ; line2.Z22[1] * line2.i2[1] + line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] - line2.Z21[2] * line2.i1[2] - line2.Z22[2] * line2.i2[2] - line2.Z23[2] * line2.i3[2] ] might be structurally or numerically singular for variable line2.terminal_n.phase[1].v[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03679/1.238, allocations: 16.26 MB / 0.8882 GB, free: 2.414 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.514e-05/1.238, allocations: 8 kB / 0.8882 GB, free: 2.406 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003625/1.242, allocations: 0.7373 MB / 0.889 GB, free: 1.668 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0189/1.261, allocations: 5.04 MB / 0.8939 GB, free: 12.61 MB / 0.6387 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008183/1.261, allocations: 75.95 kB / 0.894 GB, free: 12.54 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0384/1.3, allocations: 24.84 MB / 0.9182 GB, free: 3.23 MB / 0.6544 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.214e-05/1.3, allocations: 11.94 kB / 0.9182 GB, free: 3.219 MB / 0.6544 GB Warning: The linear system: 1 : line2.terminal_n.phase[2].v[1] - line2.terminal_p.phase[2].v[1] = line2.Z21[1] * line2.i1[1] + line2.Z22[1] * line2.i2[1] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] - line2.Z21[2] * line2.i1[2] 2 : loadRL.load1.v[1] = line2.terminal_p.phase[1].v[1] - line2.terminal_p.phase[2].v[1] 3 : line2.terminal_n.phase[1].v[1] - line2.terminal_p.phase[1].v[1] = line2.Z11[1] * line2.i1[1] + line2.Z12[1] * line2.i2[1] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] - line2.Z11[2] * line2.i1[2] 4 : transformer.conv1.terminal_p.v[1] = line2.terminal_n.phase[1].v[1] - line2.terminal_n.phase[2].v[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.terminal_n.phase[2].v[1] ; line2.terminal_n.phase[1].v[1] ; line2.terminal_p.phase[1].v[1] ; line2.terminal_p.phase[2].v[1] ] = [ line2.Z22[1] * line2.i2[1] + line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] - line2.Z21[2] * line2.i1[2] - line2.Z22[2] * line2.i2[2] - line2.Z23[2] * line2.i3[2] ; -loadRL.load1.v[1] ; line2.Z12[1] * line2.i2[1] + line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] - line2.Z11[2] * line2.i1[2] - line2.Z12[2] * line2.i2[2] - line2.Z13[2] * line2.i3[2] ; -transformer.conv1.terminal_p.v[1] ] might be structurally or numerically singular for variable line2.terminal_p.phase[2].v[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02608/1.326, allocations: 10.08 MB / 0.9281 GB, free: 8.891 MB / 0.67 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002141/1.328, allocations: 0.7326 MB / 0.9288 GB, free: 8.137 MB / 0.67 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004618/1.329, allocations: 59.98 kB / 0.9288 GB, free: 8.078 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003344/1.332, allocations: 0.4953 MB / 0.9293 GB, free: 7.582 MB / 0.67 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009382/1.333, allocations: 222.3 kB / 0.9295 GB, free: 7.363 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002383/1.333, allocations: 95.95 kB / 0.9296 GB, free: 7.27 MB / 0.67 GB Notification: Performance of sorting global known variables: time 0.001475/1.335, allocations: 0.9816 MB / 0.9306 GB, free: 6.285 MB / 0.67 GB Notification: Performance of sort global known variables: time 1.2e-07/1.335, allocations: 0 / 0.9306 GB, free: 6.285 MB / 0.67 GB Notification: Performance of remove unused functions: time 0.006925/1.342, allocations: 1.809 MB / 0.9324 GB, free: 4.477 MB / 0.67 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 {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0004931/1.342, allocations: 174.9 kB / 0.9325 GB, free: 4.297 MB / 0.67 GB Notification: Performance of simCode: created initialization part: time 0.02902/1.371, allocations: 12.51 MB / 0.9447 GB, free: 7.688 MB / 0.6856 GB Notification: Performance of simCode: created event and clocks part: time 1.337e-05/1.371, allocations: 0 / 0.9447 GB, free: 7.688 MB / 0.6856 GB Notification: Performance of simCode: created simulation system equations: time 0.01118/1.382, allocations: 4.477 MB / 0.9491 GB, free: 3.164 MB / 0.6856 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002945/1.385, allocations: 281.1 kB / 0.9494 GB, free: 2.895 MB / 0.6856 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.3623/1.748, allocations: 12.46 MB / 0.9615 GB, free: 225.1 MB / 0.6856 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00362/1.751, allocations: 2.877 MB / 0.9644 GB, free: 224.3 MB / 0.6856 GB Notification: Performance of simCode: alias equations: time 0.005664/1.757, allocations: 1.679 MB / 0.966 GB, free: 224.3 MB / 0.6856 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008443/1.758, allocations: 174.2 kB / 0.9662 GB, free: 224.3 MB / 0.6856 GB Notification: Performance of SimCode: time 1.412e-06/1.758, allocations: 1.641 kB / 0.9662 GB, free: 224.3 MB / 0.6856 GB Notification: Performance of Templates: time 0.09695/1.855, allocations: 74.67 MB / 1.039 GB, free: 172.1 MB / 0.6856 GB make -j1 -f Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)