Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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 10.0.0-master/package.mo", uses=false) Using package Buildings with version 10.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.0.0-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(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DY",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_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 0.001864/0.001864, allocations: 99.16 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 0.003334/0.003333, 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 2.693/2.693, allocations: 223.2 MB / 239.9 MB, free: 5.352 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.0.0-master/package.mo): time 4.535/4.535, allocations: 409.2 MB / 0.6838 GB, free: 0.9492 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.0007335/0.0007337, allocations: 16 kB / 0.8375 GB, free: 6.5 MB / 0.6856 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.586/1.587, allocations: 146.8 MB / 0.9809 GB, free: 6.273 MB / 0.7325 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY): time 0.03326/1.621, allocations: 16.18 MB / 0.9967 GB, free: 6.047 MB / 0.7481 GB Notification: Performance of NFInst.instExpressions: time 0.01787/1.638, allocations: 6.458 MB / 1.003 GB, free: 15.57 MB / 0.7637 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002936/1.641, allocations: 47.88 kB / 1.003 GB, free: 15.53 MB / 0.7637 GB Notification: Performance of NFTyping.typeComponents: time 0.002642/1.644, allocations: 417.5 kB / 1.003 GB, free: 15.12 MB / 0.7637 GB Notification: Performance of NFTyping.typeBindings: time 0.005969/1.65, allocations: 0.8333 MB / 1.004 GB, free: 14.28 MB / 0.7637 GB Notification: Performance of NFTyping.typeClassSections: time 0.005378/1.656, allocations: 0.8177 MB / 1.005 GB, free: 13.46 MB / 0.7637 GB Notification: Performance of NFFlatten.flatten: time 0.007381/1.663, allocations: 2.441 MB / 1.007 GB, free: 11.02 MB / 0.7637 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02356/1.687, allocations: 7.976 MB / 1.015 GB, free: 2.969 MB / 0.7637 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005349/1.692, allocations: 1.406 MB / 1.017 GB, free: 1.559 MB / 0.7637 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005983/1.698, allocations: 1.753 MB / 1.018 GB, free: 15.8 MB / 0.7794 GB Notification: Performance of NFPackage.collectConstants: time 0.002339/1.701, allocations: 248 kB / 1.019 GB, free: 15.56 MB / 0.7794 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004863/1.705, allocations: 0.6711 MB / 1.019 GB, free: 14.89 MB / 0.7794 GB Notification: Performance of NFScalarize.scalarize: time 0.006372/1.712, allocations: 1.786 MB / 1.021 GB, free: 13.1 MB / 0.7794 GB Notification: Performance of NFVerifyModel.verify: time 0.004511/1.716, allocations: 0.7264 MB / 1.022 GB, free: 12.36 MB / 0.7794 GB Notification: Performance of NFConvertDAE.convert: time 0.01559/1.732, allocations: 6.723 MB / 1.028 GB, free: 5.625 MB / 0.7794 GB Notification: Performance of FrontEnd - DAE generated: time 7.434e-06/1.732, allocations: 4 kB / 1.028 GB, free: 5.621 MB / 0.7794 GB Notification: Performance of FrontEnd: time 4.669e-06/1.732, allocations: 0 / 1.028 GB, free: 5.621 MB / 0.7794 GB Notification: Performance of Transformations before backend: time 0.0003482/1.733, allocations: 0 / 1.028 GB, free: 5.621 MB / 0.7794 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1034 * Number of variables: 1034 Notification: Performance of Generate backend data structure: time 0.01617/1.749, allocations: 3.223 MB / 1.031 GB, free: 2.336 MB / 0.7794 GB Notification: Performance of prepare preOptimizeDAE: time 9.009e-05/1.749, allocations: 12.02 kB / 1.031 GB, free: 2.324 MB / 0.7794 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.00344/1.752, allocations: 0.5668 MB / 1.032 GB, free: 1.75 MB / 0.7794 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02667/1.779, allocations: 2.476 MB / 1.034 GB, free: 15.27 MB / 0.795 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01038/1.79, allocations: 2.194 MB / 1.037 GB, free: 13.03 MB / 0.795 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006397/1.79, allocations: 275.5 kB / 1.037 GB, free: 12.76 MB / 0.795 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002874/1.793, allocations: 368 kB / 1.037 GB, free: 12.4 MB / 0.795 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03714/1.83, allocations: 7.3 MB / 1.044 GB, free: 4.973 MB / 0.795 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.000247/1.831, allocations: 7.938 kB / 1.044 GB, free: 4.965 MB / 0.795 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002515/1.833, allocations: 152 kB / 1.044 GB, free: 4.816 MB / 0.795 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009209/1.834, allocations: 346.3 kB / 1.045 GB, free: 4.477 MB / 0.795 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03507/1.869, allocations: 7.115 MB / 1.052 GB, free: 13.35 MB / 0.8106 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 0.08696/1.956, allocations: 28.94 MB / 1.08 GB, free: 13.86 MB / 0.8419 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01512/1.972, allocations: 4.177 MB / 1.084 GB, free: 9.473 MB / 0.8419 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005012/1.972, allocations: 138.8 kB / 1.084 GB, free: 9.324 MB / 0.8419 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.000107/1.972, allocations: 64.55 kB / 1.084 GB, free: 9.254 MB / 0.8419 GB Notification: Performance of pre-optimization done (n=198): time 7.695e-06/1.972, allocations: 0 / 1.084 GB, free: 9.254 MB / 0.8419 GB Notification: Performance of matching and sorting (n=255): time 0.1618/2.134, allocations: 26.78 MB / 1.11 GB, free: 14.3 MB / 0.8731 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002869/2.134, allocations: 235.6 kB / 1.111 GB, free: 14.03 MB / 0.8731 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003897/2.138, allocations: 1.45 MB / 1.112 GB, free: 12.57 MB / 0.8731 GB Notification: Performance of collectPreVariables (initialization): time 0.001014/2.139, allocations: 65.7 kB / 1.112 GB, free: 12.5 MB / 0.8731 GB Notification: Performance of collectInitialEqns (initialization): time 0.002157/2.142, allocations: 1.559 MB / 1.114 GB, free: 10.92 MB / 0.8731 GB Notification: Performance of collectInitialBindings (initialization): time 0.00206/2.144, allocations: 0.882 MB / 1.114 GB, free: 10.02 MB / 0.8731 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004562/2.144, allocations: 60 kB / 1.115 GB, free: 9.965 MB / 0.8731 GB Notification: Performance of setup shared object (initialization): time 0.0004585/2.145, allocations: 428.4 kB / 1.115 GB, free: 9.539 MB / 0.8731 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01104/2.156, allocations: 2.531 MB / 1.117 GB, free: 7.004 MB / 0.8731 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01336/2.169, allocations: 3.419 MB / 1.121 GB, free: 3.199 MB / 0.8731 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01243/2.182, allocations: 2.953 MB / 1.124 GB, free: 228 kB / 0.8731 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.875e-05/2.182, allocations: 8 kB / 1.124 GB, free: 220 kB / 0.8731 GB Notification: Performance of matching and sorting (n=396) (initialization): time 0.05045/2.232, allocations: 10.24 MB / 1.134 GB, free: 5.91 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 0.008512/2.241, allocations: 10.53 MB / 1.144 GB, free: 10.55 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001296/2.241, allocations: 28 kB / 1.144 GB, free: 10.52 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03563/2.277, allocations: 5.676 MB / 1.149 GB, free: 4.828 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007276/2.284, allocations: 0.9789 MB / 1.15 GB, free: 3.848 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.07179/2.356, allocations: 22.6 MB / 1.172 GB, free: 13 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007607/2.364, allocations: 0.5498 MB / 1.173 GB, free: 12.45 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001124/2.365, allocations: 147.9 kB / 1.173 GB, free: 12.3 MB / 0.9356 GB Notification: Performance of prepare postOptimizeDAE: time 2.404e-05/2.365, allocations: 7.953 kB / 1.173 GB, free: 12.29 MB / 0.9356 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.03774/2.403, allocations: 8.401 MB / 1.181 GB, free: 3.84 MB / 0.9356 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.000176/2.403, allocations: 28.56 kB / 1.181 GB, free: 3.812 MB / 0.9356 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0218/2.425, allocations: 3.544 MB / 1.185 GB, free: 268 kB / 0.9356 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008637/2.433, allocations: 1.131 MB / 1.186 GB, free: 15.13 MB / 0.9512 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03706/2.471, allocations: 12.34 MB / 1.198 GB, free: 2.652 MB / 0.9512 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007587/2.478, allocations: 0.5303 MB / 1.199 GB, free: 2.121 MB / 0.9512 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001337/2.48, allocations: 144.1 kB / 1.199 GB, free: 1.98 MB / 0.9512 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 0.006789/2.486, allocations: 1.624 MB / 1.2 GB, free: 352 kB / 0.9512 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00129/2.488, allocations: 197.7 kB / 1.2 GB, free: 152 kB / 0.9512 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04378/2.532, allocations: 9.823 MB / 1.21 GB, free: 6.27 MB / 0.9669 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.445e-05/2.532, allocations: 24 kB / 1.21 GB, free: 6.246 MB / 0.9669 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.057e-05/2.532, allocations: 12 kB / 1.21 GB, free: 6.234 MB / 0.9669 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.72e-05/2.532, allocations: 11.95 kB / 1.21 GB, free: 6.223 MB / 0.9669 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.06436/2.596, allocations: 14.92 MB / 1.225 GB, free: 7.129 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.858e-05/2.596, allocations: 8 kB / 1.225 GB, free: 7.121 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.005713/2.602, allocations: 0.7256 MB / 1.225 GB, free: 6.395 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.03856/2.641, allocations: 5.344 MB / 1.231 GB, free: 1.031 MB / 0.9825 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.001099/2.642, allocations: 71.94 kB / 1.231 GB, free: 0.9609 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.527/4.169, allocations: 21.43 MB / 1.252 GB, free: 239.8 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.101e-05/4.169, allocations: 16.36 kB / 1.252 GB, free: 239.8 MB / 0.9981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.06343/4.232, allocations: 9.778 MB / 1.261 GB, free: 238 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00421/4.236, allocations: 0.6883 MB / 1.262 GB, free: 237.7 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001555/4.238, allocations: 54.45 kB / 1.262 GB, free: 237.7 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.007875/4.246, allocations: 0.5032 MB / 1.262 GB, free: 237.7 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001519/4.248, allocations: 214.5 kB / 1.263 GB, free: 237.6 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0005133/4.248, allocations: 85.33 kB / 1.263 GB, free: 237.6 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.003006/4.251, allocations: 1.018 MB / 1.264 GB, free: 237.2 MB / 0.9981 GB Notification: Performance of sort global known variables: time 5.41e-07/4.251, allocations: 3.938 kB / 1.264 GB, free: 237.2 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.01528/4.266, allocations: 1.766 MB / 1.265 GB, free: 237.1 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 0.04321/4.31, allocations: 12.63 MB / 1.278 GB, free: 231.1 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.04401/4.354, allocations: 11.3 MB / 1.289 GB, free: 226.7 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 2.016e-05/4.354, allocations: 4 kB / 1.289 GB, free: 226.7 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.01628/4.37, allocations: 4.126 MB / 1.293 GB, free: 222.6 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00319/4.374, allocations: 238.5 kB / 1.293 GB, free: 222.4 MB / 0.9981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1278/4.501, allocations: 47.31 MB / 1.339 GB, free: 174.1 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005094/4.507, allocations: 2.918 MB / 1.342 GB, free: 171.1 MB / 0.9981 GB Notification: Performance of simCode: alias equations: time 0.009189/4.516, allocations: 1.657 MB / 1.344 GB, free: 169.5 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.003442/4.519, allocations: 1.238 MB / 1.345 GB, free: 168.2 MB / 0.9981 GB Notification: Performance of SimCode: time 1.984e-06/4.519, allocations: 7.938 kB / 1.345 GB, free: 168.2 MB / 0.9981 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.3451/4.864, allocations: 90.31 MB / 1.433 GB, free: 78.34 MB / 0.9981 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0003526/4.865, allocations: 280.8 kB / 1.433 GB, free: 77.99 MB / 0.9981 GB Notification: Performance of buildModelFMU: Generate platform static: time 7.067/11.93, allocations: 0 / 1.433 GB, free: 77.99 MB / 0.9981 GB (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator -r=Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY_res.mat --tempDir=temp_Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DY_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DY.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY.pipe 2>&1) Environment - environmentSimulation: TODO: How the !@#!# did the simulation report success but simulation result Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY_res.mat does not exist to compare? outputFormat=mat