Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_9_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor.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.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor,fileNamePrefix="Buildings_9_Buildings_Fluid_HeatPumps_Validation_ReciprocatingWaterToWater_ScalingFactor",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor,fileNamePrefix="Buildings_9_Buildings_Fluid_HeatPumps_Validation_ReciprocatingWaterToWater_ScalingFactor",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 0.001253/0.001253, allocations: 99.7 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 0.001522/0.001523, 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 1.348/1.348, allocations: 223.2 MB / 239.9 MB, free: 5.371 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 2.451/2.451, allocations: 390.3 MB / 0.6653 GB, free: 3.027 MB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.0003509/0.0003511, allocations: 8 kB / 0.8146 GB, free: 14.27 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7427/0.7431, allocations: 142.3 MB / 0.9536 GB, free: 8.09 MB / 0.7169 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor): time 0.104/0.8471, allocations: 109.4 MB / 1.06 GB, free: 2.578 MB / 0.8106 GB Notification: Performance of NFInst.instExpressions: time 0.03608/0.8832, allocations: 21.44 MB / 1.081 GB, free: 13.1 MB / 0.8419 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.005801/0.8891, allocations: 111.2 kB / 1.081 GB, free: 12.99 MB / 0.8419 GB Notification: Performance of NFTyping.typeComponents: time 0.006365/0.8955, allocations: 1.465 MB / 1.083 GB, free: 11.52 MB / 0.8419 GB Notification: Performance of NFTyping.typeBindings: time 0.0158/0.9113, allocations: 4.189 MB / 1.087 GB, free: 7.32 MB / 0.8419 GB Notification: Performance of NFTyping.typeClassSections: time 0.01101/0.9224, allocations: 3.131 MB / 1.09 GB, free: 4.242 MB / 0.8419 GB Notification: Performance of NFFlatten.flatten: time 0.01254/0.9349, allocations: 5.093 MB / 1.095 GB, free: 15.14 MB / 0.8575 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004919/0.9399, allocations: 2.265 MB / 1.097 GB, free: 12.84 MB / 0.8575 GB Notification: Performance of NFEvalConstants.evaluate: time 0.006719/0.9466, allocations: 2.425 MB / 1.1 GB, free: 10.41 MB / 0.8575 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003844/0.9505, allocations: 1.571 MB / 1.101 GB, free: 8.828 MB / 0.8575 GB Notification: Performance of NFPackage.collectConstants: time 0.000805/0.9513, allocations: 132 kB / 1.101 GB, free: 8.699 MB / 0.8575 GB Notification: Performance of NFFlatten.collectFunctions: time 0.006109/0.9575, allocations: 1.74 MB / 1.103 GB, free: 6.957 MB / 0.8575 GB Notification: Performance of NFScalarize.scalarize: time 0.001028/0.9585, allocations: 0.568 MB / 1.103 GB, free: 6.387 MB / 0.8575 GB Notification: Performance of NFVerifyModel.verify: time 0.0016/0.9601, allocations: 0.7266 MB / 1.104 GB, free: 5.652 MB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.007212/0.9674, allocations: 4.559 MB / 1.109 GB, free: 1.082 MB / 0.8575 GB Notification: Performance of FrontEnd - DAE generated: time 7.143e-06/0.9674, allocations: 0 / 1.109 GB, free: 1.082 MB / 0.8575 GB Notification: Performance of FrontEnd: time 2.915e-06/0.9674, allocations: 0 / 1.109 GB, free: 1.082 MB / 0.8575 GB Notification: Performance of Transformations before backend: time 0.0001506/0.9676, allocations: 7.938 kB / 1.109 GB, free: 1.074 MB / 0.8575 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 577 * Number of variables: 577 Notification: Performance of Generate backend data structure: time 0.006982/0.9746, allocations: 3.343 MB / 1.112 GB, free: 13.63 MB / 0.8731 GB Notification: Performance of prepare preOptimizeDAE: time 5.071e-05/0.9746, allocations: 12.03 kB / 1.112 GB, free: 13.62 MB / 0.8731 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.00074/0.9754, allocations: 328.6 kB / 1.112 GB, free: 13.29 MB / 0.8731 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.009503/0.9849, allocations: 1.373 MB / 1.114 GB, free: 11.91 MB / 0.8731 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005665/0.9906, allocations: 2.713 MB / 1.116 GB, free: 9.117 MB / 0.8731 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002573/0.9909, allocations: 247.9 kB / 1.116 GB, free: 8.859 MB / 0.8731 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004463/0.9914, allocations: 235.9 kB / 1.117 GB, free: 8.629 MB / 0.8731 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.007328/0.9987, allocations: 3.138 MB / 1.12 GB, free: 5.309 MB / 0.8731 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.668e-05/0.9988, allocations: 11.94 kB / 1.12 GB, free: 5.297 MB / 0.8731 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003158/0.9991, allocations: 96 kB / 1.12 GB, free: 5.203 MB / 0.8731 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.756e-05/0.9992, allocations: 75.94 kB / 1.12 GB, free: 5.129 MB / 0.8731 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.008674/1.008, allocations: 2.768 MB / 1.123 GB, free: 2.344 MB / 0.8731 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 0.02164/1.03, allocations: 13.37 MB / 1.136 GB, free: 4.352 MB / 0.8887 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004187/1.034, allocations: 1.427 MB / 1.137 GB, free: 2.91 MB / 0.8887 GB Notification: Performance of preOpt evalFunc (simulation): time 0.002111/1.036, allocations: 1.781 MB / 1.139 GB, free: 0.7422 MB / 0.8887 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.003684/1.04, allocations: 1.157 MB / 1.14 GB, free: 15.52 MB / 0.9044 GB Notification: Performance of pre-optimization done (n=126): time 5.952e-06/1.04, allocations: 0 / 1.14 GB, free: 15.52 MB / 0.9044 GB Notification: Performance of matching and sorting (n=126): time 0.02152/1.061, allocations: 4.242 MB / 1.144 GB, free: 11.23 MB / 0.9044 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002944/1.062, allocations: 0.5766 MB / 1.145 GB, free: 10.52 MB / 0.9044 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005388/1.067, allocations: 2.594 MB / 1.147 GB, free: 7.902 MB / 0.9044 GB Notification: Performance of collectPreVariables (initialization): time 0.0004553/1.067, allocations: 57.7 kB / 1.147 GB, free: 7.84 MB / 0.9044 GB Notification: Performance of collectInitialEqns (initialization): time 0.001471/1.069, allocations: 1.334 MB / 1.149 GB, free: 6.492 MB / 0.9044 GB Notification: Performance of collectInitialBindings (initialization): time 0.0007379/1.07, allocations: 449.7 kB / 1.149 GB, free: 6.047 MB / 0.9044 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002264/1.07, allocations: 36 kB / 1.149 GB, free: 6.012 MB / 0.9044 GB Notification: Performance of setup shared object (initialization): time 0.00019/1.07, allocations: 373.9 kB / 1.149 GB, free: 5.641 MB / 0.9044 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003646/1.074, allocations: 0.9603 MB / 1.15 GB, free: 4.68 MB / 0.9044 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004063/1.078, allocations: 1.536 MB / 1.152 GB, free: 2.906 MB / 0.9044 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003886/1.082, allocations: 1.109 MB / 1.153 GB, free: 1.789 MB / 0.9044 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.752e-05/1.082, allocations: 4 kB / 1.153 GB, free: 1.785 MB / 0.9044 GB Notification: Performance of matching and sorting (n=223) (initialization): time 0.01243/1.094, allocations: 3.118 MB / 1.156 GB, free: 14.64 MB / 0.92 GB Notification: Performance of prepare postOptimizeDAE: time 0.001989/1.096, allocations: 5.018 MB / 1.161 GB, free: 9.207 MB / 0.92 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.875e-05/1.096, allocations: 12 kB / 1.161 GB, free: 9.195 MB / 0.92 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002775/1.099, allocations: 0.7252 MB / 1.162 GB, free: 8.473 MB / 0.92 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002972/1.102, allocations: 0.5033 MB / 1.162 GB, free: 7.969 MB / 0.92 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002493/1.105, allocations: 1.814 MB / 1.164 GB, free: 6.105 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005133/1.11, allocations: 0.5101 MB / 1.164 GB, free: 5.594 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004216/1.11, allocations: 103.8 kB / 1.164 GB, free: 5.492 MB / 0.92 GB Notification: Performance of prepare postOptimizeDAE: time 1.53e-05/1.11, allocations: 7.984 kB / 1.164 GB, free: 5.484 MB / 0.92 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01156/1.122, allocations: 2.825 MB / 1.167 GB, free: 2.645 MB / 0.92 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.972e-05/1.122, allocations: 19.98 kB / 1.167 GB, free: 2.625 MB / 0.92 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002536/1.124, allocations: 0.7198 MB / 1.168 GB, free: 1.906 MB / 0.92 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002859/1.127, allocations: 0.507 MB / 1.168 GB, free: 1.398 MB / 0.92 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002365/1.13, allocations: 1.786 MB / 1.17 GB, free: 15.56 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004457/1.134, allocations: 462 kB / 1.171 GB, free: 15.11 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003947/1.135, allocations: 103.9 kB / 1.171 GB, free: 15.01 MB / 0.9356 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 53 * Number of states: 0 () * Number of discrete variables: 10 ($whenCondition1,$PRE.heaPum.com.isOn,heaPum.com.isOn,$PRE.heaPum1.com.isOn,heaPum1.com.isOn,$PRE.N.T_start,N.T_start,$PRE.N.count,N.count,realToInteger.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (186): * Single equations (assignments): 183 * Array equations: 0 * Algorithm blocks: 1 * 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: 0 * Non-linear torn systems: 2 {2 17,2 17} Notification: Performance of prepare postOptimizeDAE: time 0.00184/1.136, allocations: 0.7051 MB / 1.171 GB, free: 14.29 MB / 0.9356 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009312/1.137, allocations: 272.7 kB / 1.172 GB, free: 14.02 MB / 0.9356 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01143/1.149, allocations: 2.594 MB / 1.174 GB, free: 11.42 MB / 0.9356 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.456e-05/1.149, allocations: 16 kB / 1.174 GB, free: 11.4 MB / 0.9356 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.517e-05/1.149, allocations: 3.953 kB / 1.174 GB, free: 11.4 MB / 0.9356 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.009977/1.159, allocations: 2.213 MB / 1.176 GB, free: 9.133 MB / 0.9356 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0174/1.176, allocations: 6.534 MB / 1.183 GB, free: 2.422 MB / 0.9356 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.07e-05/1.176, allocations: 11.95 kB / 1.183 GB, free: 2.41 MB / 0.9356 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001796/1.178, allocations: 300.2 kB / 1.183 GB, free: 2.117 MB / 0.9356 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.002632/1.181, allocations: 0.7059 MB / 1.184 GB, free: 1.414 MB / 0.9356 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002201/1.181, allocations: 51.94 kB / 1.184 GB, free: 1.363 MB / 0.9356 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002365/1.184, allocations: 1.789 MB / 1.186 GB, free: 15.52 MB / 0.9512 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.274e-05/1.184, allocations: 12.06 kB / 1.186 GB, free: 15.51 MB / 0.9512 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0124/1.196, allocations: 4.301 MB / 1.19 GB, free: 10.74 MB / 0.9512 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00223/1.198, allocations: 0.6768 MB / 1.19 GB, free: 10.04 MB / 0.9512 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001079/1.199, allocations: 47.98 kB / 1.19 GB, free: 9.996 MB / 0.9512 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003699/1.203, allocations: 272.2 kB / 1.191 GB, free: 9.73 MB / 0.9512 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002844/1.203, allocations: 120.6 kB / 1.191 GB, free: 9.613 MB / 0.9512 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002296/1.204, allocations: 75.92 kB / 1.191 GB, free: 9.539 MB / 0.9512 GB Notification: Performance of sorting global known variables: time 0.004049/1.208, allocations: 1.821 MB / 1.193 GB, free: 7.715 MB / 0.9512 GB Notification: Performance of sort global known variables: time 3e-07/1.208, allocations: 0 / 1.193 GB, free: 7.715 MB / 0.9512 GB Notification: Performance of remove unused functions: time 0.006633/1.214, allocations: 1.688 MB / 1.194 GB, free: 6.023 MB / 0.9512 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 33 * Number of states: 4 (heaPum.con.vol.dynBal.U,heaPum.eva.vol.dynBal.U,heaPum1.con.vol.dynBal.U,heaPum1.eva.vol.dynBal.U) * Number of discrete variables: 6 ($whenCondition1,heaPum.com.isOn,heaPum1.com.isOn,N.T_start,N.count,realToInteger.y) * Number of discrete states: 3 (N.count,heaPum1.com.isOn,heaPum.com.isOn) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (88): * Single equations (assignments): 82 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 2 * 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: 0 * Non-linear torn systems: 2 {2 17,2 17} Notification: Performance of Backend phase and start with SimCode phase: time 0.01536/1.23, allocations: 7.401 MB / 1.202 GB, free: 14.39 MB / 0.9669 GB Notification: Performance of simCode: created initialization part: time 0.01238/1.242, allocations: 3.59 MB / 1.205 GB, free: 10.78 MB / 0.9669 GB Notification: Performance of simCode: created event and clocks part: time 1.833e-05/1.242, allocations: 8.375 kB / 1.205 GB, free: 10.77 MB / 0.9669 GB Notification: Performance of simCode: created simulation system equations: time 0.003652/1.246, allocations: 1.051 MB / 1.206 GB, free: 9.719 MB / 0.9669 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.007443/1.253, allocations: 1.366 MB / 1.207 GB, free: 8.371 MB / 0.9669 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02153/1.275, allocations: 15.8 MB / 1.223 GB, free: 7.988 MB / 0.9825 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00193/1.277, allocations: 1.761 MB / 1.225 GB, free: 6.199 MB / 0.9825 GB Notification: Performance of simCode: alias equations: time 0.00437/1.281, allocations: 0.7008 MB / 1.225 GB, free: 5.516 MB / 0.9825 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002112/1.283, allocations: 1.163 MB / 1.226 GB, free: 4.355 MB / 0.9825 GB Notification: Performance of SimCode: time 2.845e-06/1.283, allocations: 4 kB / 1.226 GB, free: 4.352 MB / 0.9825 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.7161/2, allocations: 89 MB / 1.313 GB, free: 261.7 MB / 1.014 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002192/2, allocations: 278.2 kB / 1.314 GB, free: 261.3 MB / 1.014 GB Notification: Performance of buildModelFMU: Generate platform static: time 4.149/6.149, allocations: 0 / 1.314 GB, free: 261.3 MB / 1.014 GB (rm -f Buildings_9_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor.pipe ; mkfifo Buildings_9_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor.pipe ; head -c 1048576 < Buildings_9_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor.pipe >> ../files/Buildings_9_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator -r=Buildings_9_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor_res.mat --tempDir=temp_Buildings_9_Buildings_Fluid_HeatPumps_Validation_ReciprocatingWaterToWater_ScalingFactor_fmu --startTime=0 --stopTime=1000 --timeout=50 --tolerance=1e-06 Buildings_9_Buildings_Fluid_HeatPumps_Validation_ReciprocatingWaterToWater_ScalingFactor.fmu > Buildings_9_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor.pipe 2>&1) TODO: How the !@#!# did the simulation report success but simulation result Buildings_9_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor_res.mat does not exist to compare? outputFormat=mat