Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY.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: translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY") translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001574/0.001574, allocations: 115.5 kB / 17.09 MB, free: 6.012 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00211/0.002111, allocations: 193.8 kB / 18.02 MB, free: 5.094 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.379/1.379, allocations: 222.9 MB / 241.7 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7921/0.7921, allocations: 115.3 MB / 407.2 MB, free: 6.16 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001289/0.001289, allocations: 66.05 kB / 0.5584 GB, free: 32.12 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1452/0.1465, allocations: 76.18 MB / 0.6328 GB, free: 4.312 MB / 478.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY): time 0.02127/0.1679, allocations: 18.15 MB / 0.6506 GB, free: 2.09 MB / 494.1 MB Notification: Performance of NFInst.instExpressions: time 0.01139/0.1793, allocations: 6.801 MB / 0.6572 GB, free: 11.27 MB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001999/0.1813, allocations: 55.88 kB / 0.6572 GB, free: 11.21 MB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.004224/0.1856, allocations: 1.577 MB / 0.6588 GB, free: 9.637 MB / 0.4981 GB Notification: Performance of NFTyping.typeBindings: time 0.003847/0.1894, allocations: 1.447 MB / 0.6602 GB, free: 8.184 MB / 0.4981 GB Notification: Performance of NFTyping.typeClassSections: time 0.003277/0.1927, allocations: 1.279 MB / 0.6614 GB, free: 6.902 MB / 0.4981 GB Notification: Performance of NFFlatten.flatten: time 0.006334/0.1991, allocations: 5.605 MB / 0.6669 GB, free: 1.285 MB / 0.4981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008593/0.2077, allocations: 7.448 MB / 0.6742 GB, free: 9.727 MB / 0.5137 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004064/0.2118, allocations: 2.466 MB / 0.6766 GB, free: 7.254 MB / 0.5137 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005159/0.217, allocations: 3.058 MB / 0.6796 GB, free: 4.188 MB / 0.5137 GB Notification: Performance of NFPackage.collectConstants: time 0.001835/0.2189, allocations: 0.5391 MB / 0.6801 GB, free: 3.648 MB / 0.5137 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00383/0.2227, allocations: 1.295 MB / 0.6814 GB, free: 2.352 MB / 0.5137 GB Notification: Performance of NFScalarize.scalarize: time 0.004025/0.2268, allocations: 2.324 MB / 0.6837 GB, free: 24 kB / 0.5137 GB Notification: Performance of NFVerifyModel.verify: time 0.004809/0.2316, allocations: 2.257 MB / 0.6859 GB, free: 13.75 MB / 0.5294 GB Notification: Performance of NFConvertDAE.convert: time 0.0097/0.2413, allocations: 8.091 MB / 0.6938 GB, free: 5.645 MB / 0.5294 GB Notification: Performance of FrontEnd - DAE generated: time 5.09e-06/0.2414, allocations: 0 / 0.6938 GB, free: 5.645 MB / 0.5294 GB Notification: Performance of FrontEnd: time 1.663e-06/0.2414, allocations: 0 / 0.6938 GB, free: 5.645 MB / 0.5294 GB Notification: Performance of Transformations before backend: time 0.0002534/0.2417, allocations: 0 / 0.6938 GB, free: 5.645 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: 1023 * Number of variables: 1023 Notification: Performance of Generate backend data structure: time 0.01012/0.2518, allocations: 3.902 MB / 0.6976 GB, free: 1.68 MB / 0.5294 GB Notification: Performance of prepare preOptimizeDAE: time 3.743e-05/0.2518, allocations: 8.031 kB / 0.6976 GB, free: 1.672 MB / 0.5294 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0136/0.2654, allocations: 2.423 MB / 0.6999 GB, free: 15.24 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004957/0.2704, allocations: 2.241 MB / 0.7021 GB, free: 12.95 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002549/0.2707, allocations: 279.8 kB / 0.7024 GB, free: 12.68 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001348/0.2721, allocations: 359.9 kB / 0.7027 GB, free: 12.32 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01765/0.2897, allocations: 7.361 MB / 0.7099 GB, free: 4.836 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001307/0.2899, allocations: 0 / 0.7099 GB, free: 4.836 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001203/0.2911, allocations: 156 kB / 0.7101 GB, free: 4.684 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005145/0.2917, allocations: 334.2 kB / 0.7104 GB, free: 4.355 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01919/0.3109, allocations: 7.177 MB / 0.7174 GB, free: 13.17 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 0.03786/0.3488, allocations: 28.04 MB / 0.7448 GB, free: 14.73 MB / 0.5919 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008123/0.3569, allocations: 4.175 MB / 0.7489 GB, free: 10.34 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005634/0.3626, allocations: 2.354 MB / 0.7512 GB, free: 7.969 MB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003359/0.363, allocations: 131 kB / 0.7513 GB, free: 7.82 MB / 0.5919 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.179e-05/0.363, allocations: 60.56 kB / 0.7513 GB, free: 7.754 MB / 0.5919 GB Notification: Performance of pre-optimization done (n=198): time 4.168e-06/0.363, allocations: 0 / 0.7513 GB, free: 7.754 MB / 0.5919 GB Notification: Performance of matching and sorting (n=257): time 0.4573/0.8203, allocations: 30.28 MB / 0.7809 GB, free: 109.5 MB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.575e-05/0.8205, allocations: 243.1 kB / 0.7811 GB, free: 109.2 MB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001996/0.8225, allocations: 1.446 MB / 0.7826 GB, free: 108.5 MB / 0.5919 GB Notification: Performance of collectPreVariables (initialization): time 0.0004671/0.8229, allocations: 65.61 kB / 0.7826 GB, free: 108.4 MB / 0.5919 GB Notification: Performance of collectInitialEqns (initialization): time 0.000736/0.8237, allocations: 1.55 MB / 0.7841 GB, free: 107 MB / 0.5919 GB Notification: Performance of collectInitialBindings (initialization): time 0.0007742/0.8245, allocations: 0.8678 MB / 0.785 GB, free: 106.3 MB / 0.5919 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000945/0.8254, allocations: 0.6209 MB / 0.7856 GB, free: 105.9 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 4.837e-05/0.8255, allocations: 301.1 kB / 0.7859 GB, free: 105.7 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005051/0.8305, allocations: 2.579 MB / 0.7884 GB, free: 104.3 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005524/0.8361, allocations: 3.455 MB / 0.7918 GB, free: 101.6 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01062/0.8467, allocations: 6.146 MB / 0.7978 GB, free: 95.06 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.777e-05/0.8468, allocations: 8 kB / 0.7978 GB, free: 95.05 MB / 0.5919 GB Notification: Performance of matching and sorting (n=398) (initialization): time 0.02457/0.8714, allocations: 10.22 MB / 0.8078 GB, free: 84.77 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 4.597e-05/0.8715, allocations: 19.98 kB / 0.8078 GB, free: 84.75 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.442e-05/0.8715, allocations: 28 kB / 0.8078 GB, free: 84.72 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01835/0.8899, allocations: 5.348 MB / 0.813 GB, free: 79.36 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004214/0.8941, allocations: 0.9867 MB / 0.814 GB, free: 78.37 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03412/0.9283, allocations: 23.57 MB / 0.837 GB, free: 54.59 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00452/0.9328, allocations: 0.5654 MB / 0.8376 GB, free: 54.02 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006013/0.9335, allocations: 147.9 kB / 0.8377 GB, free: 53.88 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007891/0.9414, allocations: 3.917 MB / 0.8415 GB, free: 49.95 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005633/0.947, allocations: 3.419 MB / 0.8449 GB, free: 46.15 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.01064/0.9577, allocations: 6.078 MB / 0.8508 GB, free: 39.66 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.708e-05/0.9578, allocations: 8.656 kB / 0.8508 GB, free: 39.66 MB / 0.5919 GB Notification: Performance of matching and sorting (n=398) (initialization_lambda0): time 0.02125/0.979, allocations: 8.585 MB / 0.8592 GB, free: 31.01 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 3.337e-05/0.9791, allocations: 16 kB / 0.8592 GB, free: 31 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.563e-05/0.9791, allocations: 28 kB / 0.8592 GB, free: 30.97 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01154/0.9907, allocations: 3.31 MB / 0.8625 GB, free: 27.65 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004789/0.9955, allocations: 1.139 MB / 0.8636 GB, free: 26.51 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01871/1.014, allocations: 12.75 MB / 0.876 GB, free: 13.62 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004627/1.019, allocations: 0.5515 MB / 0.8766 GB, free: 13.07 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005899/1.02, allocations: 151.9 kB / 0.8767 GB, free: 12.92 MB / 0.5919 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 121 * 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 (304): * Single equations (assignments): 302 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(6,42,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(6,42)} Notification: Performance of prepare postOptimizeDAE: time 0.001117/1.021, allocations: 367.4 kB / 0.8771 GB, free: 12.55 MB / 0.5919 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007979/1.021, allocations: 197.6 kB / 0.8773 GB, free: 12.36 MB / 0.5919 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02328/1.045, allocations: 9.775 MB / 0.8868 GB, free: 2.527 MB / 0.5919 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.534e-05/1.045, allocations: 28 kB / 0.8868 GB, free: 2.5 MB / 0.5919 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.508e-05/1.045, allocations: 8 kB / 0.8868 GB, free: 2.492 MB / 0.5919 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.165e-05/1.045, allocations: 17.7 kB / 0.8869 GB, free: 2.477 MB / 0.5919 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03623/1.081, allocations: 15.09 MB / 0.9016 GB, free: 3.238 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.128e-05/1.081, allocations: 16.06 kB / 0.9016 GB, free: 3.223 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003486/1.085, allocations: 0.7254 MB / 0.9023 GB, free: 2.496 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01887/1.104, allocations: 5.032 MB / 0.9072 GB, free: 13.46 MB / 0.6231 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005728/1.104, allocations: 71.95 kB / 0.9073 GB, free: 13.39 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03799/1.142, allocations: 22.34 MB / 0.9291 GB, free: 6.773 MB / 0.6387 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.219e-05/1.142, allocations: 12 kB / 0.9291 GB, free: 6.762 MB / 0.6387 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0244/1.167, allocations: 9.313 MB / 0.9382 GB, free: 13.26 MB / 0.6544 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001735/1.169, allocations: 0.6743 MB / 0.9389 GB, free: 12.56 MB / 0.6544 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008055/1.169, allocations: 55.98 kB / 0.9389 GB, free: 12.51 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003921/1.173, allocations: 0.507 MB / 0.9394 GB, free: 12 MB / 0.6544 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008251/1.174, allocations: 226 kB / 0.9396 GB, free: 11.78 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000319/1.175, allocations: 88.2 kB / 0.9397 GB, free: 11.7 MB / 0.6544 GB Notification: Performance of sorting global known variables: time 0.00175/1.176, allocations: 1.028 MB / 0.9407 GB, free: 10.66 MB / 0.6544 GB Notification: Performance of sort global known variables: time 2.31e-07/1.176, allocations: 0 / 0.9407 GB, free: 10.66 MB / 0.6544 GB Notification: Performance of remove unused functions: time 0.006731/1.183, allocations: 1.768 MB / 0.9424 GB, free: 8.898 MB / 0.6544 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 40 * 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 (162): * Single equations (assignments): 160 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(6,42,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(6,42)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0005666/1.184, allocations: 184.3 kB / 0.9426 GB, free: 8.707 MB / 0.6544 GB Notification: Performance of simCode: created initialization part: time 0.02878/1.212, allocations: 11.4 MB / 0.9538 GB, free: 13.26 MB / 0.67 GB Notification: Performance of simCode: created event and clocks part: time 1.338e-05/1.212, allocations: 64 / 0.9538 GB, free: 13.26 MB / 0.67 GB Notification: Performance of simCode: created simulation system equations: time 0.01103/1.224, allocations: 4.137 MB / 0.9578 GB, free: 9.098 MB / 0.67 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002818/1.226, allocations: 258 kB / 0.958 GB, free: 8.852 MB / 0.67 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0275/1.254, allocations: 10.38 MB / 0.9682 GB, free: 14.34 MB / 0.6856 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003911/1.258, allocations: 2.937 MB / 0.971 GB, free: 11.37 MB / 0.6856 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001147/1.259, allocations: 219.3 kB / 0.9713 GB, free: 11.15 MB / 0.6856 GB Notification: Performance of SimCode: time 8.52e-07/1.259, allocations: 0 / 0.9713 GB, free: 11.15 MB / 0.6856 GB Notification: Performance of Templates: time 0.4698/1.729, allocations: 89.54 MB / 1.059 GB, free: 252.3 MB / 0.7481 GB make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY.makefile (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY.pipe 2>&1)