Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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: "" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_DY",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_DY",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 0.0007574/0.0007575, allocations: 92.86 kB / 15.7 MB, free: 472 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0008392/0.0008393, allocations: 172.6 kB / 16.58 MB, free: 6.039 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.224/1.224, allocations: 223.3 MB / 240.6 MB, free: 5.438 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.6407/0.6407, allocations: 113.7 MB / 405.4 MB, free: 4.629 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0004059/0.000406, allocations: 12 kB / 493.2 MB, free: 8.543 MB / 350.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1339/0.1344, allocations: 77.11 MB / 0.5569 GB, free: 11.63 MB / 430.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY): time 0.01591/0.1503, allocations: 16.48 MB / 0.573 GB, free: 11.09 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.00882/0.1592, allocations: 6.391 MB / 0.5793 GB, free: 4.684 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009668/0.1601, allocations: 43.88 kB / 0.5793 GB, free: 4.641 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0007505/0.1609, allocations: 389.2 kB / 0.5797 GB, free: 4.258 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.001998/0.1629, allocations: 1.148 MB / 0.5808 GB, free: 3.105 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001744/0.1647, allocations: 0.7757 MB / 0.5815 GB, free: 2.332 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.2527/0.4174, allocations: 6.66 MB / 0.5881 GB, free: 13.18 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.01277/0.4302, allocations: 7.942 MB / 0.5958 GB, free: 11.99 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003963/0.4342, allocations: 1.76 MB / 0.5975 GB, free: 11.99 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.005955/0.4402, allocations: 2.678 MB / 0.6001 GB, free: 11.93 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0007468/0.441, allocations: 245.8 kB / 0.6004 GB, free: 11.93 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002295/0.4433, allocations: 0.6796 MB / 0.601 GB, free: 11.91 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 0.002531/0.4458, allocations: 1.938 MB / 0.6029 GB, free: 11.79 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 0.001055/0.4469, allocations: 0.7199 MB / 0.6036 GB, free: 11.64 MB / 446.1 MB Notification: Performance of NFConvertDAE.convert: time 0.005652/0.4525, allocations: 6.703 MB / 0.6102 GB, free: 9.32 MB / 446.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.36e-06/0.4526, allocations: 0 / 0.6102 GB, free: 9.32 MB / 446.1 MB Notification: Performance of FrontEnd: time 1.874e-06/0.4526, allocations: 0 / 0.6102 GB, free: 9.32 MB / 446.1 MB Notification: Performance of Transformations before backend: time 0.0001827/0.4528, allocations: 0 / 0.6102 GB, free: 9.32 MB / 446.1 MB 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 0.007458/0.4602, allocations: 3.199 MB / 0.6133 GB, free: 7.453 MB / 446.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.839e-05/0.4603, allocations: 8.719 kB / 0.6133 GB, free: 7.453 MB / 446.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001264/0.4615, allocations: 0.5582 MB / 0.6139 GB, free: 7.301 MB / 446.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.009851/0.4714, allocations: 2.355 MB / 0.6162 GB, free: 6.234 MB / 446.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004555/0.476, allocations: 2.178 MB / 0.6183 GB, free: 5.465 MB / 446.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002069/0.4762, allocations: 282.4 kB / 0.6186 GB, free: 5.453 MB / 446.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008861/0.4771, allocations: 366.1 kB / 0.6189 GB, free: 5.449 MB / 446.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01188/0.489, allocations: 7.296 MB / 0.626 GB, free: 92 kB / 446.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 6.478e-05/0.4891, allocations: 7.938 kB / 0.626 GB, free: 84 kB / 446.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004328/0.4895, allocations: 152.9 kB / 0.6262 GB, free: 15.94 MB / 462.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004266/0.49, allocations: 334.2 kB / 0.6265 GB, free: 15.62 MB / 462.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01434/0.5043, allocations: 7.103 MB / 0.6334 GB, free: 8.504 MB / 462.1 MB 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 0.03294/0.5373, allocations: 28.2 MB / 0.661 GB, free: 10.09 MB / 494.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.006325/0.5436, allocations: 4.168 MB / 0.665 GB, free: 5.711 MB / 494.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.004406/0.5481, allocations: 2.332 MB / 0.6673 GB, free: 3.371 MB / 494.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0002443/0.5483, allocations: 131.5 kB / 0.6674 GB, free: 3.23 MB / 494.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.408e-05/0.5484, allocations: 66.91 kB / 0.6675 GB, free: 3.16 MB / 494.1 MB Notification: Performance of pre-optimization done (n=198): time 3.838e-06/0.5484, allocations: 0 / 0.6675 GB, free: 3.16 MB / 494.1 MB Notification: Performance of matching and sorting (n=257): time 0.08636/0.6347, allocations: 30.39 MB / 0.6972 GB, free: 4.719 MB / 0.5137 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001396/0.6349, allocations: 235.6 kB / 0.6974 GB, free: 4.438 MB / 0.5137 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002149/0.6371, allocations: 1.4 MB / 0.6988 GB, free: 3.027 MB / 0.5137 GB Notification: Performance of collectPreVariables (initialization): time 0.0004679/0.6376, allocations: 65.7 kB / 0.6988 GB, free: 2.957 MB / 0.5137 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009157/0.6385, allocations: 1.553 MB / 0.7004 GB, free: 1.395 MB / 0.5137 GB Notification: Performance of collectInitialBindings (initialization): time 0.0008747/0.6394, allocations: 0.8768 MB / 0.7012 GB, free: 0.5234 MB / 0.5137 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002165/0.6396, allocations: 60 kB / 0.7013 GB, free: 476 kB / 0.5137 GB Notification: Performance of setup shared object (initialization): time 0.0002067/0.6398, allocations: 444.4 kB / 0.7017 GB, free: 24 kB / 0.5137 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004875/0.6447, allocations: 2.52 MB / 0.7042 GB, free: 13.5 MB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005429/0.6501, allocations: 3.426 MB / 0.7075 GB, free: 9.691 MB / 0.5294 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00535/0.6555, allocations: 2.968 MB / 0.7104 GB, free: 6.703 MB / 0.5294 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.6e-05/0.6555, allocations: 8 kB / 0.7104 GB, free: 6.695 MB / 0.5294 GB Notification: Performance of matching and sorting (n=398) (initialization): time 0.02313/0.6787, allocations: 10.24 MB / 0.7204 GB, free: 12.39 MB / 0.545 GB Notification: Performance of prepare postOptimizeDAE: time 0.0006025/0.6793, allocations: 0.8828 MB / 0.7213 GB, free: 11.13 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.275e-05/0.6793, allocations: 24 kB / 0.7213 GB, free: 11.11 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01788/0.6972, allocations: 5.679 MB / 0.7268 GB, free: 5.422 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003853/0.7011, allocations: 0.9828 MB / 0.7278 GB, free: 4.438 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03388/0.735, allocations: 21.59 MB / 0.7489 GB, free: 14.62 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003735/0.7388, allocations: 0.5496 MB / 0.7494 GB, free: 14.07 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004252/0.7392, allocations: 151.9 kB / 0.7496 GB, free: 13.92 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 1.057e-05/0.7393, allocations: 4 kB / 0.7496 GB, free: 13.92 MB / 0.5762 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01835/0.7576, allocations: 8.413 MB / 0.7578 GB, free: 5.453 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.251e-05/0.7577, allocations: 28 kB / 0.7578 GB, free: 5.426 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01163/0.7693, allocations: 3.539 MB / 0.7613 GB, free: 1.883 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004768/0.7741, allocations: 1.132 MB / 0.7624 GB, free: 0.75 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01942/0.7936, allocations: 11.8 MB / 0.7739 GB, free: 4.812 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004182/0.7978, allocations: 0.5303 MB / 0.7744 GB, free: 4.281 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003316/0.7982, allocations: 151.9 kB / 0.7746 GB, free: 4.133 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 (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(6,100.0%) 42} * Non-linear torn systems: 1 {6 42} Notification: Performance of prepare postOptimizeDAE: time 0.003326/0.8015, allocations: 1.612 MB / 0.7761 GB, free: 2.508 MB / 0.5919 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004913/0.802, allocations: 205.6 kB / 0.7763 GB, free: 2.305 MB / 0.5919 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02211/0.8241, allocations: 9.809 MB / 0.7859 GB, free: 8.441 MB / 0.6075 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.002e-05/0.8242, allocations: 24 kB / 0.7859 GB, free: 8.418 MB / 0.6075 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.661e-05/0.8242, allocations: 12 kB / 0.7859 GB, free: 8.406 MB / 0.6075 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.538e-05/0.8242, allocations: 19.91 kB / 0.786 GB, free: 8.387 MB / 0.6075 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02958/0.8538, allocations: 15.17 MB / 0.8008 GB, free: 9.059 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.511e-05/0.8539, allocations: 12 kB / 0.8008 GB, free: 9.047 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002941/0.8569, allocations: 0.7294 MB / 0.8015 GB, free: 8.316 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01734/0.8742, allocations: 5.335 MB / 0.8067 GB, free: 2.969 MB / 0.6231 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006991/0.8749, allocations: 71.95 kB / 0.8068 GB, free: 2.898 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.299/1.174, allocations: 20.41 MB / 0.8267 GB, free: 209.3 MB / 0.6387 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.248e-05/1.174, allocations: 14.34 kB / 0.8267 GB, free: 209.3 MB / 0.6387 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02277/1.197, allocations: 9.355 MB / 0.8359 GB, free: 208.4 MB / 0.6387 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001526/1.198, allocations: 0.6942 MB / 0.8365 GB, free: 208.3 MB / 0.6387 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003585/1.199, allocations: 55.61 kB / 0.8366 GB, free: 208.3 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002843/1.202, allocations: 0.5067 MB / 0.8371 GB, free: 208.3 MB / 0.6387 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006601/1.202, allocations: 215.9 kB / 0.8373 GB, free: 208.3 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002402/1.202, allocations: 89.98 kB / 0.8374 GB, free: 208.3 MB / 0.6387 GB Notification: Performance of sorting global known variables: time 0.001632/1.204, allocations: 0.9888 MB / 0.8383 GB, free: 208.2 MB / 0.6387 GB Notification: Performance of sort global known variables: time 1.8e-07/1.204, allocations: 0 / 0.8383 GB, free: 208.2 MB / 0.6387 GB Notification: Performance of remove unused functions: time 0.005496/1.21, allocations: 1.752 MB / 0.8401 GB, free: 208.2 MB / 0.6387 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 (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(6,100.0%) 42} * Non-linear torn systems: 1 {6 42} Notification: Performance of Backend phase and start with SimCode phase: time 0.02083/1.23, allocations: 10.01 MB / 0.8498 GB, free: 205.8 MB / 0.6387 GB Notification: Performance of simCode: created initialization part: time 0.02145/1.252, allocations: 11.3 MB / 0.8609 GB, free: 202.4 MB / 0.6387 GB Notification: Performance of simCode: created event and clocks part: time 1.043e-05/1.252, allocations: 3.938 kB / 0.8609 GB, free: 202.4 MB / 0.6387 GB Notification: Performance of simCode: created simulation system equations: time 0.007922/1.26, allocations: 4.125 MB / 0.8649 GB, free: 201.1 MB / 0.6387 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001869/1.262, allocations: 264.6 kB / 0.8651 GB, free: 201 MB / 0.6387 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05739/1.319, allocations: 29.92 MB / 0.8944 GB, free: 174.2 MB / 0.6387 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003369/1.323, allocations: 2.85 MB / 0.8971 GB, free: 171.3 MB / 0.6387 GB Notification: Performance of simCode: alias equations: time 0.004492/1.327, allocations: 1.657 MB / 0.8988 GB, free: 169.7 MB / 0.6387 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001538/1.329, allocations: 1.214 MB / 0.9 GB, free: 168.5 MB / 0.6387 GB Notification: Performance of SimCode: time 9.82e-07/1.329, allocations: 0 / 0.9 GB, free: 168.5 MB / 0.6387 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1004/1.429, allocations: 89.74 MB / 0.9876 GB, free: 79.18 MB / 0.6387 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001374/1.429, allocations: 271 kB / 0.9878 GB, free: 78.82 MB / 0.6387 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.105/4.535, allocations: 6.656 kB / 0.9879 GB, free: 78.82 MB / 0.6387 GB (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_DY_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_DY.fmu > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY.pipe 2>&1) Environment - environmentSimulation: