Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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.WaterHeater_u,fileNamePrefix="Buildings_8_Buildings_Fluid_HeatExchangers_Examples_WaterHeater_u",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u,fileNamePrefix="Buildings_8_Buildings_Fluid_HeatExchangers_Examples_WaterHeater_u",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 0.0009801/0.00098, allocations: 92.08 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 0.001096/0.001097, allocations: 172.7 kB / 15.95 MB, free: 208 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.559/1.559, allocations: 205.4 MB / 222.1 MB, free: 5.664 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.652/1.652, allocations: 292.7 MB / 0.5499 GB, free: 14.55 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.0005095/0.0005096, allocations: 14.06 kB / 0.6738 GB, free: 26.2 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1842/0.1847, allocations: 116.3 MB / 0.7874 GB, free: 11.83 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u): time 0.05535/0.2401, allocations: 61.82 MB / 0.8478 GB, free: 13.84 MB / 0.67 GB Notification: Performance of NFInst.instExpressions: time 0.0248/0.2649, allocations: 18.16 MB / 0.8655 GB, free: 11.64 MB / 0.6856 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002566/0.2675, allocations: 83.5 kB / 0.8656 GB, free: 11.56 MB / 0.6856 GB Notification: Performance of NFTyping.typeComponents: time 0.002683/0.2702, allocations: 0.8231 MB / 0.8664 GB, free: 10.73 MB / 0.6856 GB Notification: Performance of NFTyping.typeBindings: time 0.005422/0.2757, allocations: 2.102 MB / 0.8684 GB, free: 8.625 MB / 0.6856 GB Notification: Performance of NFTyping.typeClassSections: time 0.007025/0.2827, allocations: 2.782 MB / 0.8712 GB, free: 5.867 MB / 0.6856 GB Notification: Performance of NFFlatten.flatten: time 0.006712/0.2894, allocations: 5.982 MB / 0.877 GB, free: 15.86 MB / 0.7012 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002354/0.2918, allocations: 1.356 MB / 0.8783 GB, free: 14.48 MB / 0.7012 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003198/0.295, allocations: 1.68 MB / 0.88 GB, free: 12.79 MB / 0.7012 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002277/0.2973, allocations: 1.373 MB / 0.8813 GB, free: 11.41 MB / 0.7012 GB Notification: Performance of NFPackage.collectConstants: time 0.000401/0.2977, allocations: 76 kB / 0.8814 GB, free: 11.34 MB / 0.7012 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003602/0.3013, allocations: 1.567 MB / 0.8829 GB, free: 9.766 MB / 0.7012 GB Notification: Performance of NFScalarize.scalarize: time 0.0006928/0.3021, allocations: 434.2 kB / 0.8833 GB, free: 9.34 MB / 0.7012 GB Notification: Performance of NFVerifyModel.verify: time 0.0007773/0.3028, allocations: 448.6 kB / 0.8838 GB, free: 8.895 MB / 0.7012 GB Notification: Performance of NFConvertDAE.convert: time 0.003899/0.3067, allocations: 2.739 MB / 0.8864 GB, free: 6.148 MB / 0.7012 GB Notification: Performance of FrontEnd - DAE generated: time 5.16e-06/0.3068, allocations: 0 / 0.8864 GB, free: 6.148 MB / 0.7012 GB Notification: Performance of FrontEnd: time 3.948e-06/0.3068, allocations: 0 / 0.8864 GB, free: 6.148 MB / 0.7012 GB Notification: Performance of Transformations before backend: time 0.0001138/0.3069, allocations: 3.938 kB / 0.8864 GB, free: 6.145 MB / 0.7012 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 311 * Number of variables: 311 Notification: Performance of Generate backend data structure: time 0.004849/0.3118, allocations: 2.353 MB / 0.8887 GB, free: 3.719 MB / 0.7012 GB Notification: Performance of prepare preOptimizeDAE: time 3.959e-05/0.3118, allocations: 8.031 kB / 0.8887 GB, free: 3.711 MB / 0.7012 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0003882/0.3122, allocations: 185.8 kB / 0.8889 GB, free: 3.52 MB / 0.7012 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001435/0.3136, allocations: 392.8 kB / 0.8893 GB, free: 3.133 MB / 0.7012 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00348/0.3171, allocations: 1.731 MB / 0.891 GB, free: 1.352 MB / 0.7012 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003734/0.3175, allocations: 170.4 kB / 0.8911 GB, free: 1.184 MB / 0.7012 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002784/0.3178, allocations: 132 kB / 0.8913 GB, free: 1.055 MB / 0.7012 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002843/0.3207, allocations: 1.473 MB / 0.8927 GB, free: 15.49 MB / 0.7169 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.062e-05/0.3207, allocations: 3.938 kB / 0.8927 GB, free: 15.48 MB / 0.7169 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001284/0.3209, allocations: 56 kB / 0.8928 GB, free: 15.43 MB / 0.7169 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.702e-05/0.3209, allocations: 36 kB / 0.8928 GB, free: 15.39 MB / 0.7169 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002464/0.3234, allocations: 1.129 MB / 0.8939 GB, free: 14.26 MB / 0.7169 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 0.009133/0.3325, allocations: 7.378 MB / 0.9011 GB, free: 6.305 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002124/0.3347, allocations: 1.383 MB / 0.9025 GB, free: 4.812 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0009352/0.3356, allocations: 451.2 kB / 0.9029 GB, free: 4.367 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.003936/0.3396, allocations: 2.608 MB / 0.9054 GB, free: 1.531 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001042/0.3406, allocations: 0.4986 MB / 0.9059 GB, free: 1.008 MB / 0.7169 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0004983/0.3412, allocations: 91.25 kB / 0.906 GB, free: 0.918 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=63): time 2.424e-06/0.3412, allocations: 0 / 0.906 GB, free: 0.918 MB / 0.7169 GB Notification: Performance of matching and sorting (n=63): time 0.002901/0.3441, allocations: 1.284 MB / 0.9073 GB, free: 15.61 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.243e-05/0.3442, allocations: 192.5 kB / 0.9074 GB, free: 15.38 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001973/0.3462, allocations: 1.509 MB / 0.9089 GB, free: 13.87 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 8.302e-05/0.3463, allocations: 41.7 kB / 0.909 GB, free: 13.82 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007257/0.347, allocations: 0.9036 MB / 0.9098 GB, free: 12.91 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002039/0.3472, allocations: 224.8 kB / 0.9101 GB, free: 12.69 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 5.624e-05/0.3473, allocations: 20 kB / 0.9101 GB, free: 12.67 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.000127/0.3474, allocations: 345.9 kB / 0.9104 GB, free: 12.32 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0008877/0.3483, allocations: 394.1 kB / 0.9108 GB, free: 11.94 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001087/0.3494, allocations: 0.775 MB / 0.9115 GB, free: 11 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001008/0.3504, allocations: 0.4962 MB / 0.912 GB, free: 10.49 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.181e-06/0.3504, allocations: 0 / 0.912 GB, free: 10.49 MB / 0.7325 GB Notification: Performance of matching and sorting (n=127) (initialization): time 0.0026/0.353, allocations: 1.323 MB / 0.9133 GB, free: 9.16 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 0.0002466/0.3533, allocations: 413.5 kB / 0.9137 GB, free: 8.609 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.609e-05/0.3533, allocations: 11.98 kB / 0.9137 GB, free: 8.598 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.167e-05/0.3534, allocations: 16 kB / 0.9137 GB, free: 8.582 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009815/0.3544, allocations: 259.6 kB / 0.914 GB, free: 8.328 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.44e-05/0.3544, allocations: 19.94 kB / 0.914 GB, free: 8.309 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001303/0.3557, allocations: 140.4 kB / 0.9141 GB, free: 8.172 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001052/0.3558, allocations: 51.98 kB / 0.9142 GB, free: 8.121 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 8.786e-06/0.3559, allocations: 4 kB / 0.9142 GB, free: 8.117 MB / 0.7325 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.002271/0.3581, allocations: 1.159 MB / 0.9153 GB, free: 6.953 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.072e-05/0.3582, allocations: 12 kB / 0.9153 GB, free: 6.941 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.588e-05/0.3582, allocations: 16.59 kB / 0.9153 GB, free: 6.926 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009165/0.3591, allocations: 251.6 kB / 0.9156 GB, free: 6.68 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.129e-05/0.3592, allocations: 27.86 kB / 0.9156 GB, free: 6.652 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001229/0.3604, allocations: 128.5 kB / 0.9157 GB, free: 6.527 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.412e-05/0.3605, allocations: 51.98 kB / 0.9158 GB, free: 6.477 MB / 0.7325 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 43 * Number of states: 0 () * Number of discrete variables: 6 ($whenCondition1,$PRE.TSet.T_start,TSet.T_start,$PRE.TSet.count,TSet.count,conPI.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (123): * Single equations (assignments): 119 * Array equations: 2 * Algorithm blocks: 1 * Record equations: 1 * 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 0.0007707/0.3613, allocations: 0.4928 MB / 0.9163 GB, free: 5.973 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002893/0.3616, allocations: 169.8 kB / 0.9164 GB, free: 5.805 MB / 0.7325 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002433/0.364, allocations: 1.112 MB / 0.9175 GB, free: 4.68 MB / 0.7325 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.377e-05/0.364, allocations: 8 kB / 0.9175 GB, free: 4.672 MB / 0.7325 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.857e-06/0.3641, allocations: 7.953 kB / 0.9175 GB, free: 4.664 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001724/0.3658, allocations: 0.8237 MB / 0.9183 GB, free: 3.824 MB / 0.7325 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 postOpt removeSimpleEquations (simulation): time 0.004634/0.3704, allocations: 2.702 MB / 0.921 GB, free: 1.031 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.464e-06/0.3705, allocations: 4 kB / 0.921 GB, free: 1.027 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007397/0.3712, allocations: 164 kB / 0.9211 GB, free: 0.8672 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001855/0.3714, allocations: 28.84 kB / 0.9212 GB, free: 0.8359 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.588e-05/0.3715, allocations: 23.98 kB / 0.9212 GB, free: 0.8125 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.3589/0.7304, allocations: 1.375 MB / 0.9225 GB, free: 130.3 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.34e-06/0.7304, allocations: 6.438 kB / 0.9225 GB, free: 130.3 MB / 0.7325 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003602/0.7341, allocations: 1.64 MB / 0.9241 GB, free: 130.1 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0008835/0.735, allocations: 369.4 kB / 0.9245 GB, free: 130 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004485/0.7354, allocations: 19 kB / 0.9245 GB, free: 130 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001269/0.7367, allocations: 121.1 kB / 0.9246 GB, free: 130 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001458/0.7369, allocations: 62.48 kB / 0.9247 GB, free: 130 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001006/0.737, allocations: 37.08 kB / 0.9247 GB, free: 130 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.002/0.739, allocations: 1.085 MB / 0.9258 GB, free: 129.8 MB / 0.7325 GB Notification: Performance of sort global known variables: time 1.2e-07/0.739, allocations: 0 / 0.9258 GB, free: 129.8 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.003104/0.7421, allocations: 0.9984 MB / 0.9267 GB, free: 129.8 MB / 0.7325 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 6 (vol.dynBal.U,mov.filter.x[1],mov.filter.x[2],conPI.I.y,THeaOut.T,hea.vol.dynBal.U) * Number of discrete variables: 3 ($whenCondition1,TSet.T_start,TSet.count) * Number of discrete states: 1 (TSet.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (74): * Single equations (assignments): 66 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 5 * When equations: 2 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(1,100.0%) 2} * Non-linear torn systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.00432/0.7464, allocations: 2.609 MB / 0.9293 GB, free: 129 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.002996/0.7495, allocations: 1.714 MB / 0.931 GB, free: 128.6 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 5.63e-06/0.7495, allocations: 2.031 kB / 0.931 GB, free: 128.6 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.0009917/0.7505, allocations: 0.5712 MB / 0.9315 GB, free: 128.3 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003747/0.7542, allocations: 0.8808 MB / 0.9324 GB, free: 128.2 MB / 0.7325 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02334/0.7776, allocations: 11.1 MB / 0.9432 GB, free: 122 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001566/0.7792, allocations: 1.407 MB / 0.9446 GB, free: 121.2 MB / 0.7325 GB Notification: Performance of simCode: alias equations: time 0.002292/0.7815, allocations: 429.6 kB / 0.945 GB, free: 121.1 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001131/0.7827, allocations: 0.7417 MB / 0.9457 GB, free: 120.5 MB / 0.7325 GB Notification: Performance of SimCode: time 1.262e-06/0.7827, allocations: 1.312 kB / 0.9457 GB, free: 120.5 MB / 0.7325 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.07561/0.8583, allocations: 50.69 MB / 0.9952 GB, free: 83.34 MB / 0.7325 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001988/0.8586, allocations: 256.3 kB / 0.9955 GB, free: 83.03 MB / 0.7325 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.129/3.987, allocations: 2.953 kB / 0.9955 GB, free: 83.03 MB / 0.7325 GB (rm -f Buildings_8_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe ; mkfifo Buildings_8_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe >> ../files/Buildings_8_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_8_Buildings_Fluid_HeatExchangers_Examples_WaterHeater_u_fmu --startTime=0 --stopTime=172800 --timeout=50 --tolerance=1e-06 Buildings_8_Buildings_Fluid_HeatExchangers_Examples_WaterHeater_u.fmu > Buildings_8_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe 2>&1) Environment - environmentSimulation: