Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY.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.YY,fileNamePrefix="Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YY",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY,fileNamePrefix="Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YY",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 0.001138/0.001138, allocations: 99.62 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 0.0014/0.0014, 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 1.395/1.395, allocations: 223.2 MB / 239.9 MB, free: 5.375 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 2.516/2.516, allocations: 390.3 MB / 0.6653 GB, free: 2.992 MB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.0003757/0.0003759, allocations: 8 kB / 0.8147 GB, free: 14.21 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7935/0.7939, allocations: 142.3 MB / 0.9536 GB, free: 8.172 MB / 0.7169 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY): time 0.02186/0.8158, allocations: 17.35 MB / 0.9706 GB, free: 11.18 MB / 0.7325 GB Notification: Performance of NFInst.instExpressions: time 0.01324/0.8291, allocations: 6.797 MB / 0.9772 GB, free: 5.887 MB / 0.7325 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002557/0.8317, allocations: 45.59 kB / 0.9772 GB, free: 5.879 MB / 0.7325 GB Notification: Performance of NFTyping.typeComponents: time 0.001744/0.8335, allocations: 447.8 kB / 0.9777 GB, free: 5.48 MB / 0.7325 GB Notification: Performance of NFTyping.typeBindings: time 0.004157/0.8376, allocations: 0.8438 MB / 0.9785 GB, free: 4.773 MB / 0.7325 GB Notification: Performance of NFTyping.typeClassSections: time 0.003394/0.841, allocations: 0.8328 MB / 0.9793 GB, free: 4.148 MB / 0.7325 GB Notification: Performance of NFFlatten.flatten: time 0.005076/0.8461, allocations: 2.49 MB / 0.9817 GB, free: 2.504 MB / 0.7325 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0143/0.8605, allocations: 8.596 MB / 0.9901 GB, free: 10.64 MB / 0.7481 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003343/0.8639, allocations: 1.476 MB / 0.9916 GB, free: 9.164 MB / 0.7481 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00351/0.8674, allocations: 1.796 MB / 0.9933 GB, free: 7.363 MB / 0.7481 GB Notification: Performance of NFPackage.collectConstants: time 0.0009373/0.8684, allocations: 264 kB / 0.9936 GB, free: 7.105 MB / 0.7481 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002474/0.8709, allocations: 0.6751 MB / 0.9942 GB, free: 6.43 MB / 0.7481 GB Notification: Performance of NFScalarize.scalarize: time 0.002582/0.8735, allocations: 1.879 MB / 0.9961 GB, free: 4.547 MB / 0.7481 GB Notification: Performance of NFVerifyModel.verify: time 0.001444/0.8749, allocations: 0.7537 MB / 0.9968 GB, free: 3.785 MB / 0.7481 GB Notification: Performance of NFConvertDAE.convert: time 0.009066/0.884, allocations: 7.077 MB / 1.004 GB, free: 12.69 MB / 0.7637 GB Notification: Performance of FrontEnd - DAE generated: time 4.057e-06/0.884, allocations: 0 / 1.004 GB, free: 12.69 MB / 0.7637 GB Notification: Performance of FrontEnd: time 3.296e-06/0.884, allocations: 0 / 1.004 GB, free: 12.69 MB / 0.7637 GB Notification: Performance of Transformations before backend: time 0.0002556/0.8843, allocations: 4 kB / 1.004 GB, free: 12.69 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: 1083 * Number of variables: 1083 Notification: Performance of Generate backend data structure: time 0.008447/0.8928, allocations: 3.31 MB / 1.007 GB, free: 9.316 MB / 0.7637 GB Notification: Performance of prepare preOptimizeDAE: time 5.249e-05/0.8928, allocations: 8.031 kB / 1.007 GB, free: 9.309 MB / 0.7637 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002065/0.8949, allocations: 0.5954 MB / 1.008 GB, free: 8.703 MB / 0.7637 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01406/0.909, allocations: 2.484 MB / 1.01 GB, free: 6.211 MB / 0.7637 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006714/0.9157, allocations: 2.264 MB / 1.012 GB, free: 3.902 MB / 0.7637 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002518/0.916, allocations: 291.8 kB / 1.012 GB, free: 3.617 MB / 0.7637 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00133/0.9174, allocations: 388 kB / 1.013 GB, free: 3.238 MB / 0.7637 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01728/0.9347, allocations: 7.572 MB / 1.02 GB, free: 11.55 MB / 0.7794 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.418e-05/0.9348, allocations: 4 kB / 1.02 GB, free: 11.54 MB / 0.7794 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005163/0.9353, allocations: 168 kB / 1.02 GB, free: 11.38 MB / 0.7794 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005007/0.9358, allocations: 350.6 kB / 1.021 GB, free: 11.04 MB / 0.7794 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01814/0.954, allocations: 7.217 MB / 1.028 GB, free: 3.809 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 0.04258/0.9966, allocations: 28.95 MB / 1.056 GB, free: 4.398 MB / 0.8106 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007441/1.004, allocations: 3.616 MB / 1.06 GB, free: 0.6211 MB / 0.8106 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002836/1.004, allocations: 126.4 kB / 1.06 GB, free: 492 kB / 0.8106 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.523e-05/1.004, allocations: 51.88 kB / 1.06 GB, free: 432 kB / 0.8106 GB Notification: Performance of pre-optimization done (n=176): time 3.827e-06/1.004, allocations: 3.938 kB / 1.06 GB, free: 428 kB / 0.8106 GB Notification: Performance of matching and sorting (n=221): time 0.0826/1.087, allocations: 24.56 MB / 1.084 GB, free: 7.75 MB / 0.8419 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001364/1.087, allocations: 235.6 kB / 1.084 GB, free: 7.473 MB / 0.8419 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002694/1.09, allocations: 1.571 MB / 1.086 GB, free: 5.887 MB / 0.8419 GB Notification: Performance of collectPreVariables (initialization): time 0.0005819/1.091, allocations: 61.7 kB / 1.086 GB, free: 5.82 MB / 0.8419 GB Notification: Performance of collectInitialEqns (initialization): time 0.001322/1.092, allocations: 1.728 MB / 1.087 GB, free: 4.066 MB / 0.8419 GB Notification: Performance of collectInitialBindings (initialization): time 0.001042/1.093, allocations: 0.7549 MB / 1.088 GB, free: 3.301 MB / 0.8419 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000205/1.093, allocations: 64 kB / 1.088 GB, free: 3.238 MB / 0.8419 GB Notification: Performance of setup shared object (initialization): time 0.0002215/1.093, allocations: 436.5 kB / 1.088 GB, free: 2.805 MB / 0.8419 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00535/1.099, allocations: 2.41 MB / 1.091 GB, free: 400 kB / 0.8419 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006167/1.105, allocations: 3.495 MB / 1.094 GB, free: 12.39 MB / 0.8575 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.006172/1.111, allocations: 2.89 MB / 1.097 GB, free: 9.504 MB / 0.8575 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.348e-05/1.111, allocations: 8 kB / 1.097 GB, free: 9.496 MB / 0.8575 GB Notification: Performance of matching and sorting (n=400) (initialization): time 0.02682/1.138, allocations: 9.857 MB / 1.107 GB, free: 15.61 MB / 0.8731 GB Notification: Performance of prepare postOptimizeDAE: time 0.005289/1.143, allocations: 13.84 MB / 1.12 GB, free: 0.6953 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.94e-05/1.143, allocations: 39.95 kB / 1.12 GB, free: 0.6562 MB / 0.8731 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02113/1.165, allocations: 5.424 MB / 1.126 GB, free: 11.22 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004599/1.169, allocations: 1.037 MB / 1.127 GB, free: 10.18 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03557/1.205, allocations: 19.25 MB / 1.145 GB, free: 6.672 MB / 0.9044 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004697/1.21, allocations: 0.5806 MB / 1.146 GB, free: 6.09 MB / 0.9044 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005156/1.21, allocations: 163.9 kB / 1.146 GB, free: 5.93 MB / 0.9044 GB Notification: Performance of prepare postOptimizeDAE: time 1.453e-05/1.21, allocations: 4 kB / 1.146 GB, free: 5.926 MB / 0.9044 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.02153/1.232, allocations: 8.161 MB / 1.154 GB, free: 13.75 MB / 0.92 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001245/1.232, allocations: 39.94 kB / 1.154 GB, free: 13.71 MB / 0.92 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01386/1.246, allocations: 3.418 MB / 1.157 GB, free: 10.29 MB / 0.92 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005277/1.251, allocations: 1.154 MB / 1.159 GB, free: 9.133 MB / 0.92 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01903/1.27, allocations: 10.58 MB / 1.169 GB, free: 14.4 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004299/1.274, allocations: 0.538 MB / 1.169 GB, free: 13.86 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005054/1.275, allocations: 164.1 kB / 1.17 GB, free: 13.7 MB / 0.9356 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 159 * 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 (330): * Single equations (assignments): 328 * 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%) 30} * Non-linear torn systems: 1 {6 30} Notification: Performance of prepare postOptimizeDAE: time 0.002736/1.278, allocations: 1.702 MB / 1.171 GB, free: 11.99 MB / 0.9356 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005571/1.278, allocations: 189.8 kB / 1.171 GB, free: 11.8 MB / 0.9356 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02425/1.303, allocations: 8.659 MB / 1.18 GB, free: 3.105 MB / 0.9356 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.57e-05/1.303, allocations: 31.89 kB / 1.18 GB, free: 3.074 MB / 0.9356 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.107e-05/1.303, allocations: 12 kB / 1.18 GB, free: 3.062 MB / 0.9356 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.246e-05/1.303, allocations: 11.95 kB / 1.18 GB, free: 3.051 MB / 0.9356 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03232/1.335, allocations: 13.95 MB / 1.194 GB, free: 4.922 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.329e-05/1.335, allocations: 8 kB / 1.194 GB, free: 4.914 MB / 0.9512 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0034/1.338, allocations: 0.7184 MB / 1.194 GB, free: 4.195 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01995/1.358, allocations: 5.104 MB / 1.199 GB, free: 15.08 MB / 0.9669 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005999/1.359, allocations: 63.95 kB / 1.199 GB, free: 15.02 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03165/1.391, allocations: 18.19 MB / 1.217 GB, free: 12.54 MB / 0.9825 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.231e-05/1.391, allocations: 11.94 kB / 1.217 GB, free: 12.52 MB / 0.9825 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0244/1.415, allocations: 9.208 MB / 1.226 GB, free: 2.934 MB / 0.9825 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001879/1.417, allocations: 0.6391 MB / 1.227 GB, free: 2.273 MB / 0.9825 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004993/1.418, allocations: 51.95 kB / 1.227 GB, free: 2.223 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003507/1.421, allocations: 0.4914 MB / 1.227 GB, free: 1.73 MB / 0.9825 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006076/1.422, allocations: 181.8 kB / 1.227 GB, free: 1.555 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002026/1.422, allocations: 87.94 kB / 1.227 GB, free: 1.469 MB / 0.9825 GB Notification: Performance of sorting global known variables: time 0.001511/1.424, allocations: 1.054 MB / 1.229 GB, free: 424 kB / 0.9825 GB Notification: Performance of sort global known variables: time 1.4e-07/1.424, allocations: 0 / 1.229 GB, free: 424 kB / 0.9825 GB Notification: Performance of remove unused functions: time 0.006148/1.43, allocations: 1.727 MB / 1.23 GB, free: 14.68 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 (154): * Single equations (assignments): 152 * 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%) 30} * Non-linear torn systems: 1 {6 30} Notification: Performance of Backend phase and start with SimCode phase: time 0.02516/1.455, allocations: 12.03 MB / 1.242 GB, free: 2.395 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.02772/1.483, allocations: 10.7 MB / 1.252 GB, free: 7.668 MB / 1.014 GB Notification: Performance of simCode: created event and clocks part: time 1.337e-05/1.483, allocations: 4 kB / 1.252 GB, free: 7.664 MB / 1.014 GB Notification: Performance of simCode: created simulation system equations: time 0.01075/1.493, allocations: 3.766 MB / 1.256 GB, free: 3.871 MB / 1.014 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001833/1.495, allocations: 227.2 kB / 1.256 GB, free: 3.652 MB / 1.014 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.6084/2.104, allocations: 52.04 MB / 1.307 GB, free: 248.9 MB / 1.014 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005039/2.109, allocations: 2.966 MB / 1.31 GB, free: 247.7 MB / 1.014 GB Notification: Performance of simCode: alias equations: time 0.005542/2.114, allocations: 1.671 MB / 1.312 GB, free: 247.6 MB / 1.014 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002081/2.117, allocations: 1.287 MB / 1.313 GB, free: 246.4 MB / 1.014 GB Notification: Performance of SimCode: time 1.363e-06/2.117, allocations: 3.938 kB / 1.313 GB, free: 246.4 MB / 1.014 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.116/2.233, allocations: 84.56 MB / 1.395 GB, free: 170.9 MB / 1.014 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001595/2.233, allocations: 280.8 kB / 1.396 GB, free: 170.5 MB / 1.014 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.368/5.601, allocations: 0 / 1.396 GB, free: 170.5 MB / 1.014 GB (rm -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY.pipe ; mkfifo Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY.pipe ; head -c 1048576 < Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY.pipe >> ../files/Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator -r=Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY_res.mat --tempDir=temp_Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YY_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YY.fmu > Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY.pipe 2>&1) TODO: How the !@#!# did the simulation report success but simulation result Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY_res.mat does not exist to compare? outputFormat=mat