Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_9_Buildings.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/Buildings 9.1.1-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.1-maint.9.1.x/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(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY,fileNamePrefix="Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_DY",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY,fileNamePrefix="Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_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 0.00105/0.00105, allocations: 99.86 kB / 15.05 MB, free: 1.105 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001121/0.001122, allocations: 177.3 kB / 15.95 MB, free: 216 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.392/1.392, allocations: 223.2 MB / 239.9 MB, free: 5.465 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.1-maint.9.1.x/package.mo): time 2.505/2.505, allocations: 390.3 MB / 0.6653 GB, free: 2.949 MB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.0003735/0.0003737, allocations: 8 kB / 0.8147 GB, free: 14.19 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8755/0.8759, allocations: 142.3 MB / 0.9536 GB, free: 8.086 MB / 0.7169 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY): time 0.01781/0.8937, allocations: 16.1 MB / 0.9693 GB, free: 12.01 MB / 0.7325 GB Notification: Performance of NFInst.instExpressions: time 0.0122/0.906, allocations: 6.408 MB / 0.9756 GB, free: 7.016 MB / 0.7325 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002369/0.9084, allocations: 40.88 kB / 0.9756 GB, free: 7.008 MB / 0.7325 GB Notification: Performance of NFTyping.typeComponents: time 0.001305/0.9097, allocations: 409.7 kB / 0.976 GB, free: 6.645 MB / 0.7325 GB Notification: Performance of NFTyping.typeBindings: time 0.003505/0.9132, allocations: 0.8275 MB / 0.9768 GB, free: 5.949 MB / 0.7325 GB Notification: Performance of NFTyping.typeClassSections: time 0.002951/0.9162, allocations: 0.8089 MB / 0.9776 GB, free: 5.344 MB / 0.7325 GB Notification: Performance of NFFlatten.flatten: time 0.004334/0.9206, allocations: 2.423 MB / 0.98 GB, free: 3.738 MB / 0.7325 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01312/0.9337, allocations: 7.956 MB / 0.9878 GB, free: 13.05 MB / 0.7481 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003227/0.937, allocations: 1.394 MB / 0.9891 GB, free: 11.66 MB / 0.7481 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00345/0.9404, allocations: 1.737 MB / 0.9908 GB, free: 9.914 MB / 0.7481 GB Notification: Performance of NFPackage.collectConstants: time 0.0006267/0.9411, allocations: 248 kB / 0.9911 GB, free: 9.672 MB / 0.7481 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001916/0.943, allocations: 0.6711 MB / 0.9917 GB, free: 9 MB / 0.7481 GB Notification: Performance of NFScalarize.scalarize: time 0.002051/0.9451, allocations: 1.786 MB / 0.9935 GB, free: 7.211 MB / 0.7481 GB Notification: Performance of NFVerifyModel.verify: time 0.001013/0.9461, allocations: 0.7225 MB / 0.9942 GB, free: 6.48 MB / 0.7481 GB Notification: Performance of NFConvertDAE.convert: time 0.008/0.9541, allocations: 6.692 MB / 1.001 GB, free: 15.77 MB / 0.7637 GB Notification: Performance of FrontEnd - DAE generated: time 4.398e-06/0.9541, allocations: 0 / 1.001 GB, free: 15.77 MB / 0.7637 GB Notification: Performance of FrontEnd: time 2.274e-06/0.9542, allocations: 4 kB / 1.001 GB, free: 15.77 MB / 0.7637 GB Notification: Performance of Transformations before backend: time 0.0002317/0.9544, allocations: 0 / 1.001 GB, free: 15.77 MB / 0.7637 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 0.00833/0.9627, allocations: 3.195 MB / 1.004 GB, free: 12.51 MB / 0.7637 GB Notification: Performance of prepare preOptimizeDAE: time 4.631e-05/0.9628, allocations: 8.031 kB / 1.004 GB, free: 12.5 MB / 0.7637 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001854/0.9647, allocations: 0.5627 MB / 1.004 GB, free: 11.93 MB / 0.7637 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01329/0.978, allocations: 2.469 MB / 1.007 GB, free: 9.457 MB / 0.7637 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00682/0.9848, allocations: 2.186 MB / 1.009 GB, free: 7.223 MB / 0.7637 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003463/0.9852, allocations: 275.4 kB / 1.009 GB, free: 6.953 MB / 0.7637 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001678/0.9869, allocations: 363.9 kB / 1.01 GB, free: 6.598 MB / 0.7637 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01788/1.005, allocations: 7.272 MB / 1.017 GB, free: 15.2 MB / 0.7794 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.376e-05/1.005, allocations: 7.938 kB / 1.017 GB, free: 15.19 MB / 0.7794 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004937/1.005, allocations: 152 kB / 1.017 GB, free: 15.04 MB / 0.7794 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005692/1.006, allocations: 330.3 kB / 1.017 GB, free: 14.72 MB / 0.7794 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01757/1.024, allocations: 7.103 MB / 1.024 GB, free: 7.605 MB / 0.7794 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 0.0427/1.066, allocations: 28.55 MB / 1.052 GB, free: 8.582 MB / 0.8106 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008432/1.075, allocations: 4.175 MB / 1.056 GB, free: 4.188 MB / 0.8106 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003752/1.075, allocations: 139 kB / 1.056 GB, free: 4.035 MB / 0.8106 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.519e-05/1.075, allocations: 56.55 kB / 1.056 GB, free: 3.973 MB / 0.8106 GB Notification: Performance of pre-optimization done (n=198): time 4.469e-06/1.075, allocations: 0 / 1.056 GB, free: 3.973 MB / 0.8106 GB Notification: Performance of matching and sorting (n=255): time 0.09252/1.168, allocations: 26.73 MB / 1.082 GB, free: 9.078 MB / 0.8419 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001955/1.168, allocations: 235.6 kB / 1.083 GB, free: 8.797 MB / 0.8419 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003443/1.172, allocations: 1.404 MB / 1.084 GB, free: 7.383 MB / 0.8419 GB Notification: Performance of collectPreVariables (initialization): time 0.0008234/1.172, allocations: 65.7 kB / 1.084 GB, free: 7.312 MB / 0.8419 GB Notification: Performance of collectInitialEqns (initialization): time 0.001542/1.174, allocations: 1.551 MB / 1.085 GB, free: 5.738 MB / 0.8419 GB Notification: Performance of collectInitialBindings (initialization): time 0.001548/1.175, allocations: 0.8703 MB / 1.086 GB, free: 4.855 MB / 0.8419 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005265/1.176, allocations: 64 kB / 1.086 GB, free: 4.793 MB / 0.8419 GB Notification: Performance of setup shared object (initialization): time 0.0002887/1.176, allocations: 432.4 kB / 1.087 GB, free: 4.363 MB / 0.8419 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005882/1.182, allocations: 2.531 MB / 1.089 GB, free: 1.828 MB / 0.8419 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006628/1.189, allocations: 3.419 MB / 1.093 GB, free: 14.02 MB / 0.8575 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.006475/1.195, allocations: 2.961 MB / 1.095 GB, free: 11.04 MB / 0.8575 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.321e-05/1.195, allocations: 8 kB / 1.095 GB, free: 11.03 MB / 0.8575 GB Notification: Performance of matching and sorting (n=396) (initialization): time 0.02814/1.224, allocations: 10.23 MB / 1.105 GB, free: 0.7305 MB / 0.8575 GB Notification: Performance of prepare postOptimizeDAE: time 0.004361/1.228, allocations: 10.53 MB / 1.116 GB, free: 5.363 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.562e-05/1.228, allocations: 28 kB / 1.116 GB, free: 5.336 MB / 0.8731 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0215/1.25, allocations: 5.66 MB / 1.121 GB, free: 15.66 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004451/1.254, allocations: 0.9867 MB / 1.122 GB, free: 14.68 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03987/1.294, allocations: 22.6 MB / 1.144 GB, free: 7.824 MB / 0.9044 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004449/1.298, allocations: 0.542 MB / 1.145 GB, free: 7.281 MB / 0.9044 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007523/1.299, allocations: 148 kB / 1.145 GB, free: 7.137 MB / 0.9044 GB Notification: Performance of prepare postOptimizeDAE: time 1.557e-05/1.299, allocations: 5.406 kB / 1.145 GB, free: 7.133 MB / 0.9044 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.02215/1.321, allocations: 8.409 MB / 1.153 GB, free: 14.67 MB / 0.92 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001096/1.322, allocations: 24 kB / 1.153 GB, free: 14.64 MB / 0.92 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01352/1.335, allocations: 3.536 MB / 1.157 GB, free: 11.1 MB / 0.92 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00541/1.341, allocations: 1.127 MB / 1.158 GB, free: 9.973 MB / 0.92 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02397/1.365, allocations: 12.33 MB / 1.17 GB, free: 13.5 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004472/1.369, allocations: 0.5305 MB / 1.17 GB, free: 12.97 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008163/1.37, allocations: 151.9 kB / 1.171 GB, free: 12.82 MB / 0.9356 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 (302): * Single equations (assignments): 300 * 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 0.003999/1.374, allocations: 1.62 MB / 1.172 GB, free: 11.19 MB / 0.9356 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008873/1.375, allocations: 193.7 kB / 1.172 GB, free: 11 MB / 0.9356 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02719/1.402, allocations: 9.814 MB / 1.182 GB, free: 1.125 MB / 0.9356 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.786e-05/1.402, allocations: 28 kB / 1.182 GB, free: 1.098 MB / 0.9356 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.004e-05/1.402, allocations: 11.95 kB / 1.182 GB, free: 1.086 MB / 0.9356 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.767e-05/1.402, allocations: 19.95 kB / 1.182 GB, free: 1.066 MB / 0.9356 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03809/1.44, allocations: 14.9 MB / 1.196 GB, free: 1.992 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.125e-05/1.44, allocations: 8 kB / 1.197 GB, free: 1.984 MB / 0.9512 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003408/1.444, allocations: 0.714 MB / 1.197 GB, free: 1.27 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01985/1.464, allocations: 5.344 MB / 1.202 GB, free: 11.91 MB / 0.9669 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005986/1.464, allocations: 75.94 kB / 1.202 GB, free: 11.84 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0417/1.506, allocations: 21.44 MB / 1.223 GB, free: 6.117 MB / 0.9825 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.143e-05/1.506, allocations: 11.94 kB / 1.223 GB, free: 6.105 MB / 0.9825 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02569/1.532, allocations: 9.762 MB / 1.233 GB, free: 12.07 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002176/1.534, allocations: 0.686 MB / 1.234 GB, free: 11.36 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008144/1.535, allocations: 55.98 kB / 1.234 GB, free: 11.31 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003831/1.539, allocations: 0.5069 MB / 1.234 GB, free: 10.8 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008255/1.54, allocations: 202.5 kB / 1.234 GB, free: 10.61 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003776/1.54, allocations: 95.84 kB / 1.234 GB, free: 10.51 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.00178/1.542, allocations: 0.9886 MB / 1.235 GB, free: 9.52 MB / 0.9981 GB Notification: Performance of sort global known variables: time 2.6e-07/1.542, allocations: 4 kB / 1.235 GB, free: 9.516 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.007713/1.55, allocations: 1.758 MB / 1.237 GB, free: 7.758 MB / 0.9981 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 (158): * Single equations (assignments): 156 * 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 0.02767/1.577, allocations: 12.63 MB / 1.249 GB, free: 10.86 MB / 1.014 GB Notification: Performance of simCode: created initialization part: time 0.5764/2.154, allocations: 11.29 MB / 1.261 GB, free: 280.9 MB / 1.014 GB Notification: Performance of simCode: created event and clocks part: time 1.564e-05/2.154, allocations: 1.031 kB / 1.261 GB, free: 280.9 MB / 1.014 GB Notification: Performance of simCode: created simulation system equations: time 0.01332/2.167, allocations: 4.128 MB / 1.265 GB, free: 280.6 MB / 1.014 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00233/2.169, allocations: 214.2 kB / 1.265 GB, free: 280.6 MB / 1.014 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.07533/2.245, allocations: 47.05 MB / 1.311 GB, free: 252.1 MB / 1.014 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003678/2.249, allocations: 2.906 MB / 1.314 GB, free: 250.3 MB / 1.014 GB Notification: Performance of simCode: alias equations: time 0.005356/2.254, allocations: 1.658 MB / 1.315 GB, free: 249.6 MB / 1.014 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001731/2.256, allocations: 1.215 MB / 1.316 GB, free: 248.5 MB / 1.014 GB Notification: Performance of SimCode: time 1.323e-06/2.256, allocations: 1.875 kB / 1.316 GB, free: 248.5 MB / 1.014 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1109/2.367, allocations: 89.48 MB / 1.404 GB, free: 163.8 MB / 1.014 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001586/2.367, allocations: 273.6 kB / 1.404 GB, free: 163.5 MB / 1.014 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.418/5.785, allocations: 0 / 1.404 GB, free: 163.5 MB / 1.014 GB (rm -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY.pipe ; mkfifo Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY.pipe ; head -c 1048576 < Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY.pipe >> ../files/Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator -r=Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY_res.mat --tempDir=temp_Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_DY_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_DY.fmu > Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY.pipe 2>&1) TODO: How the !@#!# did the simulation report success but simulation result Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DY_res.mat does not exist to compare? outputFormat=mat