Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_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 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.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor,fileNamePrefix="Buildings_latest_Buildings_Fluid_HeatPumps_Validation_ScrollWaterToWater_ScalingFactor",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor,fileNamePrefix="Buildings_latest_Buildings_Fluid_HeatPumps_Validation_ScrollWaterToWater_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 0.0009469/0.0009469, allocations: 103.1 kB / 15.06 MB, free: 1.098 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0009575/0.0009575, allocations: 173.3 kB / 15.95 MB, free: 212 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.326/1.326, allocations: 223.2 MB / 239.9 MB, free: 5.441 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.0.0-master/package.mo): time 2.304/2.304, allocations: 409.2 MB / 0.6838 GB, free: 0.9844 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.0002944/0.0002944, allocations: 15.98 kB / 0.8375 GB, free: 6.559 MB / 0.6856 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6823/0.6826, allocations: 146.8 MB / 0.9809 GB, free: 6.305 MB / 0.7325 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor): time 0.09441/0.7771, allocations: 109.4 MB / 1.088 GB, free: 8.613 MB / 0.8419 GB Notification: Performance of NFInst.instExpressions: time 0.02807/0.8052, allocations: 21.37 MB / 1.109 GB, free: 3.207 MB / 0.8575 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003717/0.8089, allocations: 111.2 kB / 1.109 GB, free: 3.098 MB / 0.8575 GB Notification: Performance of NFTyping.typeComponents: time 0.00459/0.8135, allocations: 1.461 MB / 1.11 GB, free: 1.629 MB / 0.8575 GB Notification: Performance of NFTyping.typeBindings: time 0.01225/0.8258, allocations: 4.186 MB / 1.114 GB, free: 13.43 MB / 0.8731 GB Notification: Performance of NFTyping.typeClassSections: time 0.008436/0.8342, allocations: 3.138 MB / 1.117 GB, free: 10.34 MB / 0.8731 GB Notification: Performance of NFFlatten.flatten: time 0.008217/0.8425, allocations: 5.102 MB / 1.122 GB, free: 5.23 MB / 0.8731 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002745/0.8452, allocations: 2.284 MB / 1.125 GB, free: 2.91 MB / 0.8731 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00439/0.8496, allocations: 2.433 MB / 1.127 GB, free: 480 kB / 0.8731 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002515/0.8522, allocations: 1.579 MB / 1.128 GB, free: 14.88 MB / 0.8887 GB Notification: Performance of NFPackage.collectConstants: time 0.0003114/0.8525, allocations: 132 kB / 1.129 GB, free: 14.75 MB / 0.8887 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004216/0.8567, allocations: 1.744 MB / 1.13 GB, free: 13.01 MB / 0.8887 GB Notification: Performance of NFScalarize.scalarize: time 0.0005363/0.8573, allocations: 0.568 MB / 1.131 GB, free: 12.44 MB / 0.8887 GB Notification: Performance of NFVerifyModel.verify: time 0.0007668/0.858, allocations: 0.7344 MB / 1.132 GB, free: 11.7 MB / 0.8887 GB Notification: Performance of NFConvertDAE.convert: time 0.0047/0.8627, allocations: 4.566 MB / 1.136 GB, free: 7.117 MB / 0.8887 GB Notification: Performance of FrontEnd - DAE generated: time 2.815e-06/0.8627, allocations: 0 / 1.136 GB, free: 7.117 MB / 0.8887 GB Notification: Performance of FrontEnd: time 2.024e-06/0.8628, allocations: 0 / 1.136 GB, free: 7.117 MB / 0.8887 GB Notification: Performance of Transformations before backend: time 7.115e-05/0.8628, allocations: 0 / 1.136 GB, free: 7.117 MB / 0.8887 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 581 * Number of variables: 581 Notification: Performance of Generate backend data structure: time 0.005485/0.8683, allocations: 3.37 MB / 1.139 GB, free: 3.645 MB / 0.8887 GB Notification: Performance of prepare preOptimizeDAE: time 3.297e-05/0.8684, allocations: 12.03 kB / 1.139 GB, free: 3.633 MB / 0.8887 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0003746/0.8687, allocations: 328.8 kB / 1.14 GB, free: 3.301 MB / 0.8887 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.009881/0.8786, allocations: 1.451 MB / 1.141 GB, free: 1.844 MB / 0.8887 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004307/0.883, allocations: 2.721 MB / 1.144 GB, free: 15.05 MB / 0.9044 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002011/0.8832, allocations: 251.9 kB / 1.144 GB, free: 14.79 MB / 0.9044 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003149/0.8835, allocations: 240 kB / 1.144 GB, free: 14.55 MB / 0.9044 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.006539/0.89, allocations: 3.208 MB / 1.147 GB, free: 11.16 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.378e-05/0.8901, allocations: 19.81 kB / 1.147 GB, free: 11.14 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002396/0.8904, allocations: 99.98 kB / 1.147 GB, free: 11.04 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.241e-05/0.8904, allocations: 71.94 kB / 1.147 GB, free: 10.97 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.008198/0.8986, allocations: 2.889 MB / 1.15 GB, free: 8.066 MB / 0.9044 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 0.01683/0.9155, allocations: 13.52 MB / 1.163 GB, free: 9.918 MB / 0.92 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003889/0.9194, allocations: 1.529 MB / 1.165 GB, free: 8.387 MB / 0.92 GB Notification: Performance of preOpt evalFunc (simulation): time 0.00151/0.9209, allocations: 1.782 MB / 1.167 GB, free: 6.219 MB / 0.92 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.003317/0.9242, allocations: 1.226 MB / 1.168 GB, free: 4.93 MB / 0.92 GB Notification: Performance of pre-optimization done (n=130): time 2.675e-06/0.9242, allocations: 4 kB / 1.168 GB, free: 4.926 MB / 0.92 GB Notification: Performance of matching and sorting (n=130): time 0.03746/0.9617, allocations: 5.991 MB / 1.174 GB, free: 14.88 MB / 0.9356 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002163/0.962, allocations: 0.5805 MB / 1.174 GB, free: 14.16 MB / 0.9356 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003713/0.9657, allocations: 2.583 MB / 1.177 GB, free: 11.56 MB / 0.9356 GB Notification: Performance of collectPreVariables (initialization): time 0.000262/0.966, allocations: 69.64 kB / 1.177 GB, free: 11.49 MB / 0.9356 GB Notification: Performance of collectInitialEqns (initialization): time 0.001051/0.967, allocations: 1.34 MB / 1.178 GB, free: 10.13 MB / 0.9356 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004326/0.9675, allocations: 461.5 kB / 1.179 GB, free: 9.676 MB / 0.9356 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001121/0.9676, allocations: 36 kB / 1.179 GB, free: 9.641 MB / 0.9356 GB Notification: Performance of setup shared object (initialization): time 0.0001401/0.9677, allocations: 373.9 kB / 1.179 GB, free: 9.27 MB / 0.9356 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003502/0.9712, allocations: 1.015 MB / 1.18 GB, free: 8.254 MB / 0.9356 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003793/0.975, allocations: 1.599 MB / 1.182 GB, free: 6.418 MB / 0.9356 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003527/0.9786, allocations: 1.155 MB / 1.183 GB, free: 5.258 MB / 0.9356 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.923e-06/0.9786, allocations: 4 kB / 1.183 GB, free: 5.254 MB / 0.9356 GB Notification: Performance of matching and sorting (n=227) (initialization): time 0.01962/0.9982, allocations: 4.143 MB / 1.187 GB, free: 1.086 MB / 0.9356 GB Notification: Performance of prepare postOptimizeDAE: time 0.00139/0.9996, allocations: 5.018 MB / 1.192 GB, free: 11.64 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.781e-05/0.9997, allocations: 12 kB / 1.192 GB, free: 11.63 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.003029/1.003, allocations: 0.9615 MB / 1.193 GB, free: 10.67 MB / 0.9512 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00261/1.005, allocations: 0.5109 MB / 1.193 GB, free: 10.16 MB / 0.9512 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002842/1.008, allocations: 1.992 MB / 1.195 GB, free: 8.113 MB / 0.9512 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004307/1.012, allocations: 0.5208 MB / 1.196 GB, free: 7.59 MB / 0.9512 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001795/1.013, allocations: 107.9 kB / 1.196 GB, free: 7.484 MB / 0.9512 GB Notification: Performance of prepare postOptimizeDAE: time 9.127e-06/1.013, allocations: 4 kB / 1.196 GB, free: 7.48 MB / 0.9512 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01926/1.032, allocations: 3.86 MB / 1.199 GB, free: 3.605 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.478e-05/1.032, allocations: 12 kB / 1.199 GB, free: 3.594 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.003175/1.035, allocations: 0.9603 MB / 1.2 GB, free: 2.637 MB / 0.9512 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002634/1.038, allocations: 0.5109 MB / 1.201 GB, free: 2.125 MB / 0.9512 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002851/1.041, allocations: 1.989 MB / 1.203 GB, free: 88 kB / 0.9512 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003988/1.045, allocations: 477.9 kB / 1.203 GB, free: 15.61 MB / 0.9669 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001739/1.045, allocations: 103.9 kB / 1.203 GB, free: 15.51 MB / 0.9669 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 19,2 19} Notification: Performance of prepare postOptimizeDAE: time 0.001253/1.046, allocations: 0.697 MB / 1.204 GB, free: 14.8 MB / 0.9669 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003821/1.047, allocations: 268.7 kB / 1.204 GB, free: 14.54 MB / 0.9669 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01009/1.057, allocations: 2.58 MB / 1.207 GB, free: 11.95 MB / 0.9669 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.824e-05/1.057, allocations: 19.94 kB / 1.207 GB, free: 11.93 MB / 0.9669 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.895e-06/1.057, allocations: 7.984 kB / 1.207 GB, free: 11.92 MB / 0.9669 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.009112/1.066, allocations: 2.181 MB / 1.209 GB, free: 9.684 MB / 0.9669 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02413/1.09, allocations: 7.612 MB / 1.216 GB, free: 1.891 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.198e-05/1.09, allocations: 11.98 kB / 1.216 GB, free: 1.879 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00162/1.092, allocations: 291.6 kB / 1.217 GB, free: 1.594 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.002902/1.095, allocations: 0.9405 MB / 1.218 GB, free: 0.6523 MB / 0.9669 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001027/1.095, allocations: 59.89 kB / 1.218 GB, free: 0.5938 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002805/1.097, allocations: 1.975 MB / 1.22 GB, free: 14.57 MB / 0.9825 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.294e-06/1.097, allocations: 11.94 kB / 1.22 GB, free: 14.56 MB / 0.9825 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01062/1.108, allocations: 4.45 MB / 1.224 GB, free: 9.641 MB / 0.9825 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001375/1.109, allocations: 0.6963 MB / 1.225 GB, free: 8.922 MB / 0.9825 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003677/1.11, allocations: 36 kB / 1.225 GB, free: 8.887 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002904/1.113, allocations: 299.5 kB / 1.225 GB, free: 8.594 MB / 0.9825 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001707/1.113, allocations: 112.7 kB / 1.225 GB, free: 8.48 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001282/1.113, allocations: 75.92 kB / 1.225 GB, free: 8.406 MB / 0.9825 GB Notification: Performance of sorting global known variables: time 0.002558/1.116, allocations: 1.825 MB / 1.227 GB, free: 6.578 MB / 0.9825 GB Notification: Performance of sort global known variables: time 2.31e-07/1.116, allocations: 0 / 1.227 GB, free: 6.578 MB / 0.9825 GB Notification: Performance of remove unused functions: time 0.003656/1.119, allocations: 1.7 MB / 1.229 GB, free: 4.875 MB / 0.9825 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 19,2 19} Notification: Performance of Backend phase and start with SimCode phase: time 0.01191/1.131, allocations: 7.529 MB / 1.236 GB, free: 13.11 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.01133/1.143, allocations: 3.76 MB / 1.24 GB, free: 9.324 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 1.282e-05/1.143, allocations: 4.438 kB / 1.24 GB, free: 9.32 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.003683/1.146, allocations: 1.099 MB / 1.241 GB, free: 8.227 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.007558/1.154, allocations: 1.382 MB / 1.242 GB, free: 6.867 MB / 0.9981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.3867/1.541, allocations: 15.65 MB / 1.257 GB, free: 246.9 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002073/1.543, allocations: 1.775 MB / 1.259 GB, free: 246.2 MB / 0.9981 GB Notification: Performance of simCode: alias equations: time 0.003818/1.547, allocations: 0.6874 MB / 1.26 GB, free: 246.1 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001806/1.548, allocations: 1.156 MB / 1.261 GB, free: 246.1 MB / 0.9981 GB Notification: Performance of SimCode: time 1.092e-06/1.548, allocations: 0 / 1.261 GB, free: 246.1 MB / 0.9981 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.9663/2.515, allocations: 91.58 MB / 1.35 GB, free: 173.7 MB / 0.9981 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0004116/2.515, allocations: 288.7 kB / 1.351 GB, free: 173.3 MB / 0.9981 GB Notification: Performance of buildModelFMU: Generate platform static: time 4.902/7.418, allocations: 7.438 kB / 1.351 GB, free: 173.3 MB / 0.9981 GB (rm -f Buildings_latest_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor.pipe ; mkfifo Buildings_latest_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor.pipe >> ../files/Buildings_latest_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator -r=Buildings_latest_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor_res.mat --tempDir=temp_Buildings_latest_Buildings_Fluid_HeatPumps_Validation_ScrollWaterToWater_ScalingFactor_fmu --startTime=0 --stopTime=1000 --timeout=50 --tolerance=1e-06 Buildings_latest_Buildings_Fluid_HeatPumps_Validation_ScrollWaterToWater_ScalingFactor.fmu > Buildings_latest_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor.pipe 2>&1) Environment - environmentSimulation: TODO: How the !@#!# did the simulation report success but simulation result Buildings_latest_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor_res.mat does not exist to compare? outputFormat=mat