Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow.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.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow,fileNamePrefix="Buildings_latest_Buildings_Fluid_HeatExchangers_Examples_DryCoilEffectivenessNTUMassFlow",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow,fileNamePrefix="Buildings_latest_Buildings_Fluid_HeatExchangers_Examples_DryCoilEffectivenessNTUMassFlow",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 0.0008742/0.0008743, allocations: 99.94 kB / 15.05 MB, free: 1.113 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0009147/0.0009147, allocations: 177.3 kB / 15.94 MB, free: 228 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.227/1.227, 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 10.0.0-master/package.mo): time 2.248/2.248, allocations: 409.2 MB / 0.6838 GB, free: 0.9883 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.0003293/0.0003293, allocations: 12 kB / 0.8375 GB, free: 6.582 MB / 0.6856 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6746/0.675, allocations: 146.8 MB / 0.9809 GB, free: 6.332 MB / 0.7325 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow): time 0.1715/0.8465, allocations: 172.2 MB / 1.149 GB, free: 9.676 MB / 0.9044 GB Notification: Performance of NFInst.instExpressions: time 0.01546/0.862, allocations: 11.98 MB / 1.161 GB, free: 13.67 MB / 0.92 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001802/0.8638, allocations: 39.69 kB / 1.161 GB, free: 13.63 MB / 0.92 GB Notification: Performance of NFTyping.typeComponents: time 0.002021/0.8658, allocations: 0.7077 MB / 1.161 GB, free: 12.92 MB / 0.92 GB Notification: Performance of NFTyping.typeBindings: time 0.005754/0.8716, allocations: 2.026 MB / 1.163 GB, free: 10.89 MB / 0.92 GB Notification: Performance of NFTyping.typeClassSections: time 0.004898/0.8765, allocations: 1.719 MB / 1.165 GB, free: 9.191 MB / 0.92 GB Notification: Performance of NFFlatten.flatten: time 0.003608/0.8801, allocations: 1.925 MB / 1.167 GB, free: 7.262 MB / 0.92 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001354/0.8815, allocations: 0.9063 MB / 1.168 GB, free: 6.328 MB / 0.92 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002973/0.8845, allocations: 1.386 MB / 1.169 GB, free: 4.938 MB / 0.92 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0009971/0.8855, allocations: 0.7197 MB / 1.17 GB, free: 4.215 MB / 0.92 GB Notification: Performance of NFPackage.collectConstants: time 0.0001202/0.8856, allocations: 56 kB / 1.17 GB, free: 4.16 MB / 0.92 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004142/0.8898, allocations: 2.044 MB / 1.172 GB, free: 2.113 MB / 0.92 GB Notification: Performance of NFScalarize.scalarize: time 0.0003964/0.8902, allocations: 318.9 kB / 1.172 GB, free: 1.801 MB / 0.92 GB Notification: Performance of NFVerifyModel.verify: time 0.0004489/0.8906, allocations: 305 kB / 1.173 GB, free: 1.496 MB / 0.92 GB Notification: Performance of NFConvertDAE.convert: time 0.003164/0.8938, allocations: 2.031 MB / 1.175 GB, free: 15.46 MB / 0.9356 GB Notification: Performance of FrontEnd - DAE generated: time 3.016e-06/0.8938, allocations: 4 kB / 1.175 GB, free: 15.46 MB / 0.9356 GB Notification: Performance of FrontEnd: time 2.825e-06/0.8938, allocations: 4 kB / 1.175 GB, free: 15.45 MB / 0.9356 GB Notification: Performance of Transformations before backend: time 2.054e-05/0.8939, allocations: 3.938 kB / 1.175 GB, free: 15.45 MB / 0.9356 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 229 * Number of variables: 229 Notification: Performance of Generate backend data structure: time 0.003635/0.8975, allocations: 1.791 MB / 1.176 GB, free: 13.59 MB / 0.9356 GB Notification: Performance of prepare preOptimizeDAE: time 4.24e-05/0.8976, allocations: 12.03 kB / 1.176 GB, free: 13.58 MB / 0.9356 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001756/0.8977, allocations: 143.6 kB / 1.176 GB, free: 13.43 MB / 0.9356 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002827/0.9006, allocations: 0.5679 MB / 1.177 GB, free: 12.86 MB / 0.9356 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001788/0.9024, allocations: 1.025 MB / 1.178 GB, free: 11.78 MB / 0.9356 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006062/0.903, allocations: 205.8 kB / 1.178 GB, free: 11.58 MB / 0.9356 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001578/0.9032, allocations: 100 kB / 1.178 GB, free: 11.48 MB / 0.9356 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002275/0.9055, allocations: 1.268 MB / 1.18 GB, free: 10.2 MB / 0.9356 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.673e-05/0.9055, allocations: 0 / 1.18 GB, free: 10.2 MB / 0.9356 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.943e-05/0.9056, allocations: 39.98 kB / 1.18 GB, free: 10.16 MB / 0.9356 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.185e-05/0.9056, allocations: 37.98 kB / 1.18 GB, free: 10.12 MB / 0.9356 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002817/0.9085, allocations: 1.316 MB / 1.181 GB, free: 8.805 MB / 0.9356 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 0.00713/0.9156, allocations: 4.916 MB / 1.186 GB, free: 3.574 MB / 0.9356 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002699/0.9183, allocations: 1.045 MB / 1.187 GB, free: 2.52 MB / 0.9356 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001217/0.9195, allocations: 0.6916 MB / 1.187 GB, free: 1.699 MB / 0.9356 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001697/0.9213, allocations: 0.7462 MB / 1.188 GB, free: 0.9258 MB / 0.9356 GB Notification: Performance of pre-optimization done (n=84): time 4.077e-06/0.9213, allocations: 0 / 1.188 GB, free: 0.9258 MB / 0.9356 GB Notification: Performance of matching and sorting (n=84): time 0.004797/0.9261, allocations: 1.925 MB / 1.19 GB, free: 14.95 MB / 0.9512 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001213/0.9262, allocations: 145.2 kB / 1.19 GB, free: 14.78 MB / 0.9512 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001693/0.9279, allocations: 1.042 MB / 1.191 GB, free: 13.72 MB / 0.9512 GB Notification: Performance of collectPreVariables (initialization): time 0.0001548/0.9281, allocations: 45.7 kB / 1.191 GB, free: 13.67 MB / 0.9512 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005257/0.9286, allocations: 0.5281 MB / 1.192 GB, free: 13.14 MB / 0.9512 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003165/0.9289, allocations: 276 kB / 1.192 GB, free: 12.86 MB / 0.9512 GB Notification: Performance of simplifyInitialFunctions (initialization): time 5.898e-05/0.929, allocations: 16 kB / 1.192 GB, free: 12.85 MB / 0.9512 GB Notification: Performance of setup shared object (initialization): time 0.0002036/0.9292, allocations: 345.9 kB / 1.192 GB, free: 12.5 MB / 0.9512 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00125/0.9305, allocations: 0.5055 MB / 1.193 GB, free: 12 MB / 0.9512 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001411/0.9319, allocations: 0.6864 MB / 1.194 GB, free: 11.25 MB / 0.9512 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00129/0.9332, allocations: 0.6037 MB / 1.194 GB, free: 10.64 MB / 0.9512 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.769e-06/0.9332, allocations: 0 / 1.194 GB, free: 10.64 MB / 0.9512 GB Notification: Performance of matching and sorting (n=116) (initialization): time 0.003136/0.9364, allocations: 1.475 MB / 1.196 GB, free: 9.141 MB / 0.9512 GB Notification: Performance of prepare postOptimizeDAE: time 0.0003806/0.9368, allocations: 1.045 MB / 1.197 GB, free: 8.012 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.059e-05/0.9368, allocations: 4 kB / 1.197 GB, free: 8.008 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.212e-05/0.9368, allocations: 8 kB / 1.197 GB, free: 8 MB / 0.9512 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001151/0.938, allocations: 255.6 kB / 1.197 GB, free: 7.75 MB / 0.9512 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.521e-05/0.938, allocations: 8 kB / 1.197 GB, free: 7.742 MB / 0.9512 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001426/0.9394, allocations: 215.7 kB / 1.197 GB, free: 7.531 MB / 0.9512 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.885e-05/0.9395, allocations: 47.97 kB / 1.197 GB, free: 7.484 MB / 0.9512 GB Notification: Performance of prepare postOptimizeDAE: time 9.989e-06/0.9395, allocations: 4 kB / 1.197 GB, free: 7.48 MB / 0.9512 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.002847/0.9424, allocations: 1.382 MB / 1.198 GB, free: 6.086 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.074e-06/0.9424, allocations: 7.984 kB / 1.198 GB, free: 6.078 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (initialization): time 9.388e-06/0.9424, allocations: 8 kB / 1.198 GB, free: 6.07 MB / 0.9512 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001116/0.9436, allocations: 267.7 kB / 1.199 GB, free: 5.809 MB / 0.9512 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.846e-06/0.9436, allocations: 4 kB / 1.199 GB, free: 5.805 MB / 0.9512 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00134/0.9449, allocations: 203 kB / 1.199 GB, free: 5.605 MB / 0.9512 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.579e-05/0.945, allocations: 43.97 kB / 1.199 GB, free: 5.562 MB / 0.9512 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 11 * Number of states: 0 () * Number of discrete variables: 16 ($whenCondition1,$whenCondition2,mWatGai.a,mWatGai.b,mWatGai.last,$PRE.mWatGai.nextEvent,mWatGai.nextEvent,mWatGai.nextEventScaled,mAirGai.a,mAirGai.b,mAirGai.last,$PRE.mAirGai.nextEvent,mAirGai.nextEvent,mAirGai.nextEventScaled,hex.flowRegime,hex.flowRegime_nominal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (106): * Single equations (assignments): 104 * Array equations: 0 * Algorithm blocks: 2 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.000666/0.9457, allocations: 472.2 kB / 1.199 GB, free: 5.078 MB / 0.9512 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002165/0.9459, allocations: 130.5 kB / 1.2 GB, free: 4.949 MB / 0.9512 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003002/0.9489, allocations: 1.5 MB / 1.201 GB, free: 3.434 MB / 0.9512 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.437e-05/0.9489, allocations: 8 kB / 1.201 GB, free: 3.426 MB / 0.9512 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.875e-06/0.949, allocations: 4 kB / 1.201 GB, free: 3.422 MB / 0.9512 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.899e-06/0.949, allocations: 3.984 kB / 1.201 GB, free: 3.418 MB / 0.9512 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004894/0.9539, allocations: 3.041 MB / 1.204 GB, free: 280 kB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.394e-06/0.9539, allocations: 4 kB / 1.204 GB, free: 276 kB / 0.9512 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0008908/0.9548, allocations: 200.1 kB / 1.204 GB, free: 76 kB / 0.9512 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.329e-05/0.9548, allocations: 11.95 kB / 1.204 GB, free: 64 kB / 0.9512 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.803e-05/0.9549, allocations: 35.97 kB / 1.204 GB, free: 28 kB / 0.9512 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 7.264e-06/0.9549, allocations: 7.938 kB / 1.204 GB, free: 20 kB / 0.9512 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.088e-06/0.9549, allocations: 4 kB / 1.204 GB, free: 16 kB / 0.9512 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004279/0.9592, allocations: 2.448 MB / 1.207 GB, free: 13.43 MB / 0.9669 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006815/0.9599, allocations: 351.1 kB / 1.207 GB, free: 13.07 MB / 0.9669 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001712/0.9601, allocations: 31.98 kB / 1.207 GB, free: 13.04 MB / 0.9669 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001153/0.9612, allocations: 160.3 kB / 1.207 GB, free: 12.88 MB / 0.9669 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001159/0.9614, allocations: 64.38 kB / 1.207 GB, free: 12.82 MB / 0.9669 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.244e-05/0.9615, allocations: 47.97 kB / 1.207 GB, free: 12.77 MB / 0.9669 GB Notification: Performance of sorting global known variables: time 0.0009206/0.9624, allocations: 0.709 MB / 1.208 GB, free: 12.05 MB / 0.9669 GB Notification: Performance of sort global known variables: time 2.1e-07/0.9624, allocations: 0 / 1.208 GB, free: 12.05 MB / 0.9669 GB Notification: Performance of remove unused functions: time 0.001871/0.9643, allocations: 0.7878 MB / 1.209 GB, free: 11.27 MB / 0.9669 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 14 * Number of states: 1 (senRelHum.phi) * Number of discrete variables: 12 ($whenCondition1,$whenCondition2,mWatGai.a,mWatGai.b,mWatGai.last,mWatGai.nextEvent,mWatGai.nextEventScaled,mAirGai.a,mAirGai.b,mAirGai.last,mAirGai.nextEvent,mAirGai.nextEventScaled) * Number of discrete states: 12 (mAirGai.nextEvent,mAirGai.last,mAirGai.nextEventScaled,mAirGai.b,mAirGai.a,$whenCondition2,mWatGai.nextEvent,mWatGai.last,mWatGai.nextEventScaled,mWatGai.b,mWatGai.a,$whenCondition1) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (82): * Single equations (assignments): 78 * Array equations: 0 * Algorithm blocks: 2 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.005694/0.97, allocations: 4.269 MB / 1.213 GB, free: 6.879 MB / 0.9669 GB Notification: Performance of simCode: created initialization part: time 0.004361/0.9744, allocations: 2.234 MB / 1.215 GB, free: 4.602 MB / 0.9669 GB Notification: Performance of simCode: created event and clocks part: time 7.404e-06/0.9744, allocations: 8.062 kB / 1.215 GB, free: 4.594 MB / 0.9669 GB Notification: Performance of simCode: created simulation system equations: time 0.00136/0.9758, allocations: 0.7796 MB / 1.216 GB, free: 3.789 MB / 0.9669 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002629/0.9784, allocations: 0.5103 MB / 1.216 GB, free: 3.277 MB / 0.9669 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006721/0.9851, allocations: 5.019 MB / 1.221 GB, free: 14.12 MB / 0.9825 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007836/0.9859, allocations: 1.18 MB / 1.222 GB, free: 12.91 MB / 0.9825 GB Notification: Performance of simCode: alias equations: time 0.001784/0.9877, allocations: 351.3 kB / 1.223 GB, free: 12.58 MB / 0.9825 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007309/0.9885, allocations: 499.2 kB / 1.223 GB, free: 12.09 MB / 0.9825 GB Notification: Performance of SimCode: time 2.054e-06/0.9885, allocations: 0 / 1.223 GB, free: 12.09 MB / 0.9825 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 7.032/8.021, allocations: 35.55 MB / 1.258 GB, free: 261.3 MB / 0.9981 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.002655/8.023, allocations: 251.2 kB / 1.258 GB, free: 261 MB / 0.9981 GB Notification: Performance of buildModelFMU: Generate platform static: time 2.584/10.61, allocations: 0 / 1.258 GB, free: 261 MB / 0.9981 GB (rm -f Buildings_latest_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow.pipe ; mkfifo Buildings_latest_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow.pipe >> ../files/Buildings_latest_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator -r=Buildings_latest_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow_res.mat --tempDir=temp_Buildings_latest_Buildings_Fluid_HeatExchangers_Examples_DryCoilEffectivenessNTUMassFlow_fmu --startTime=0 --stopTime=3600 --timeout=50 --tolerance=1e-06 Buildings_latest_Buildings_Fluid_HeatExchangers_Examples_DryCoilEffectivenessNTUMassFlow.fmu > Buildings_latest_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow.pipe 2>&1) Environment - environmentSimulation: