Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_3.0.0_Buildings.Fluid.HeatExchangers.Validation.HeaterCooler_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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo", uses=false) Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-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: translateModel(Buildings.Fluid.HeatExchangers.Validation.HeaterCooler_u,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.HeatExchangers.Validation.HeaterCooler_u") translateModel(Buildings.Fluid.HeatExchangers.Validation.HeaterCooler_u,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.HeatExchangers.Validation.HeaterCooler_u") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001124/0.001124, allocations: 115.3 kB / 15.34 MB, free: 0.5156 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001198/0.001198, allocations: 191.4 kB / 16.25 MB, free: 6.629 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.362/1.362, allocations: 222.9 MB / 239.9 MB, free: 4.488 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.76/2.76, allocations: 472.6 MB / 0.7448 GB, free: 4.902 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001253/0.001253, allocations: 69.86 kB / 0.9115 GB, free: 33.51 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3186/0.3199, allocations: 159.9 MB / 1.068 GB, free: 10.8 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Validation.HeaterCooler_u): time 0.8558/1.176, allocations: 252.7 MB / 1.315 GB, free: 20.03 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.01725/1.193, allocations: 9.53 MB / 1.324 GB, free: 19.83 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003308/1.196, allocations: 72.94 kB / 1.324 GB, free: 19.83 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.002521/1.199, allocations: 0.8461 MB / 1.325 GB, free: 19.81 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.007405/1.206, allocations: 2.48 MB / 1.327 GB, free: 19.71 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.005629/1.212, allocations: 1.969 MB / 1.329 GB, free: 19.64 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.00666/1.219, allocations: 4.153 MB / 1.333 GB, free: 19.54 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002427/1.221, allocations: 1.544 MB / 1.335 GB, free: 19.35 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004438/1.226, allocations: 1.967 MB / 1.337 GB, free: 19.16 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00277/1.228, allocations: 1.365 MB / 1.338 GB, free: 18.92 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.0003205/1.229, allocations: 178.9 kB / 1.338 GB, free: 18.92 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.006569/1.235, allocations: 3.261 MB / 1.341 GB, free: 18.5 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.0007532/1.236, allocations: 0.599 MB / 1.342 GB, free: 18.21 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.001378/1.238, allocations: 1.023 MB / 1.343 GB, free: 17.59 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.006392/1.244, allocations: 3.83 MB / 1.347 GB, free: 16.46 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 5.42e-06/1.244, allocations: 4 kB / 1.347 GB, free: 16.46 MB / 0.9981 GB Notification: Performance of FrontEnd: time 1.533e-06/1.244, allocations: 0 / 1.347 GB, free: 16.46 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 3.102e-05/1.244, allocations: 0 / 1.347 GB, free: 16.46 MB / 0.9981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 294 * Number of variables: 294 Notification: Performance of Generate backend data structure: time 0.004093/1.248, allocations: 2.472 MB / 1.349 GB, free: 14.86 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 5.382e-05/1.248, allocations: 8.438 kB / 1.349 GB, free: 14.86 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003691/1.252, allocations: 0.634 MB / 1.35 GB, free: 14.71 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002154/1.254, allocations: 1.365 MB / 1.351 GB, free: 13.97 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003535/1.254, allocations: 153.5 kB / 1.351 GB, free: 13.92 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001745/1.255, allocations: 129.2 kB / 1.351 GB, free: 13.88 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002351/1.257, allocations: 1.419 MB / 1.353 GB, free: 13.25 MB / 0.9981 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.167e-05/1.257, allocations: 2.625 kB / 1.353 GB, free: 13.25 MB / 0.9981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001064/1.257, allocations: 51.67 kB / 1.353 GB, free: 13.21 MB / 0.9981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.913e-05/1.257, allocations: 51.5 kB / 1.353 GB, free: 13.2 MB / 0.9981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002235/1.259, allocations: 1.191 MB / 1.354 GB, free: 12.79 MB / 0.9981 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 0.007007/1.266, allocations: 5.699 MB / 1.359 GB, free: 9.117 MB / 0.9981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001785/1.268, allocations: 1.047 MB / 1.36 GB, free: 8.586 MB / 0.9981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0009149/1.269, allocations: 0.5355 MB / 1.361 GB, free: 8.387 MB / 0.9981 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005484/1.27, allocations: 315.2 kB / 1.361 GB, free: 8.098 MB / 0.9981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001091/1.271, allocations: 0.5675 MB / 1.362 GB, free: 7.863 MB / 0.9981 GB Notification: Performance of pre-optimization done (n=85): time 3.136e-06/1.271, allocations: 0 / 1.362 GB, free: 7.863 MB / 0.9981 GB Notification: Performance of matching and sorting (n=92): time 0.008261/1.279, allocations: 3.54 MB / 1.365 GB, free: 6.098 MB / 0.9981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.025e-05/1.279, allocations: 88.7 kB / 1.365 GB, free: 6 MB / 0.9981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001749/1.281, allocations: 1.342 MB / 1.367 GB, free: 5.496 MB / 0.9981 GB Notification: Performance of collectPreVariables (initialization): time 0.000112/1.281, allocations: 51.23 kB / 1.367 GB, free: 5.445 MB / 0.9981 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004624/1.282, allocations: 0.7317 MB / 1.367 GB, free: 4.871 MB / 0.9981 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002361/1.282, allocations: 314.9 kB / 1.368 GB, free: 4.633 MB / 0.9981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002949/1.282, allocations: 190.4 kB / 1.368 GB, free: 4.543 MB / 0.9981 GB Notification: Performance of setup shared object (initialization): time 8.564e-05/1.282, allocations: 347.2 kB / 1.368 GB, free: 4.219 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0008994/1.283, allocations: 458.5 kB / 1.369 GB, free: 4.059 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001091/1.284, allocations: 0.6541 MB / 1.369 GB, free: 3.688 MB / 0.9981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01268/1.297, allocations: 3.346 MB / 1.373 GB, free: 1.977 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.988e-06/1.297, allocations: 4 kB / 1.373 GB, free: 1.973 MB / 0.9981 GB Notification: Performance of matching and sorting (n=126) (initialization): time 0.003041/1.3, allocations: 1.524 MB / 1.374 GB, free: 1.211 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 3.928e-05/1.3, allocations: 44.03 kB / 1.374 GB, free: 1.172 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.239e-05/1.3, allocations: 8.219 kB / 1.374 GB, free: 1.168 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006838/1.301, allocations: 230.5 kB / 1.374 GB, free: 1.047 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008661/1.302, allocations: 205.7 kB / 1.375 GB, free: 1.004 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004135/1.306, allocations: 4.621 MB / 1.379 GB, free: 12.75 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001716/1.307, allocations: 133.6 kB / 1.379 GB, free: 12.68 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000105/1.308, allocations: 40.8 kB / 1.379 GB, free: 12.67 MB / 1.014 GB Warning: The initial conditions are over specified. The following 1 initial equations are redundant, so they are removed from the initialization system: $DER.heaDyn.vol.dynBal.medium.p = 0.0. Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001598/1.309, allocations: 0.7689 MB / 1.38 GB, free: 12.23 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001109/1.31, allocations: 0.6572 MB / 1.381 GB, free: 11.78 MB / 1.014 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.01319/1.323, allocations: 3.296 MB / 1.384 GB, free: 9.977 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.552e-06/1.324, allocations: 1.781 kB / 1.384 GB, free: 9.977 MB / 1.014 GB Notification: Performance of matching and sorting (n=126) (initialization_lambda0): time 0.003201/1.327, allocations: 1.499 MB / 1.385 GB, free: 9.223 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 3.722e-05/1.327, allocations: 34.39 kB / 1.385 GB, free: 9.191 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.644e-06/1.327, allocations: 2.594 kB / 1.385 GB, free: 9.191 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004983/1.327, allocations: 204.8 kB / 1.386 GB, free: 9.078 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009246/1.328, allocations: 201.4 kB / 1.386 GB, free: 9.039 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005419/1.334, allocations: 5.811 MB / 1.391 GB, free: 3.578 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001713/1.335, allocations: 142 kB / 1.392 GB, free: 3.508 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.585e-05/1.335, allocations: 39.47 kB / 1.392 GB, free: 3.5 MB / 1.014 GB Warning: The initial conditions are over specified. The following 1 initial equations are redundant, so they are removed from the initialization_lambda0 system: $DER.heaDyn.vol.dynBal.medium.p = 0.0. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 18 * Number of states: 0 () * Number of discrete variables: 9 (TSet.nextEventScaled,TSet.nextEvent,$PRE.TSet.nextEvent,TSet.last,TSet.b,TSet.a,$whenCondition1,con2.I.trigger_internal,con1.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (105): * Single equations (assignments): 99 * Array equations: 2 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(1,8), (1,2), (1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.0004162/1.336, allocations: 275.7 kB / 1.392 GB, free: 3.254 MB / 1.014 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003487/1.336, allocations: 161.9 kB / 1.392 GB, free: 3.172 MB / 1.014 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002811/1.339, allocations: 1.296 MB / 1.393 GB, free: 2.453 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.515e-06/1.339, allocations: 7.594 kB / 1.393 GB, free: 2.453 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.505e-06/1.339, allocations: 0 / 1.393 GB, free: 2.453 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002188/1.341, allocations: 1.161 MB / 1.394 GB, free: 1.793 MB / 1.014 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005934/1.347, allocations: 3.054 MB / 1.397 GB, free: 15.52 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.227e-06/1.347, allocations: 4 kB / 1.397 GB, free: 15.52 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001009/1.348, allocations: 191.3 kB / 1.398 GB, free: 15.34 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001595/1.348, allocations: 55.25 kB / 1.398 GB, free: 15.29 MB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.821e-05/1.349, allocations: 27.98 kB / 1.398 GB, free: 15.26 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0004107/1.349, allocations: 0.595 MB / 1.398 GB, free: 14.64 MB / 1.029 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.989e-06/1.349, allocations: 4 kB / 1.398 GB, free: 14.64 MB / 1.029 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003878/1.353, allocations: 1.986 MB / 1.4 GB, free: 12.59 MB / 1.029 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0009251/1.354, allocations: 339 kB / 1.4 GB, free: 12.24 MB / 1.029 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002281/1.354, allocations: 31.98 kB / 1.401 GB, free: 12.21 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001203/1.355, allocations: 107.8 kB / 1.401 GB, free: 12.1 MB / 1.029 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001969/1.355, allocations: 69.39 kB / 1.401 GB, free: 12.04 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.567e-05/1.356, allocations: 35.98 kB / 1.401 GB, free: 12 MB / 1.029 GB Notification: Performance of sorting global known variables: time 0.001446/1.357, allocations: 0.9177 MB / 1.402 GB, free: 11.09 MB / 1.029 GB Notification: Performance of sort global known variables: time 1.8e-07/1.357, allocations: 0 / 1.402 GB, free: 11.09 MB / 1.029 GB Notification: Performance of remove unused functions: time 0.002337/1.359, allocations: 0.6905 MB / 1.402 GB, free: 10.4 MB / 1.029 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 17 * Number of states: 6 (senTem1.T,con1.I.y,heaDyn.vol.dynBal.medium.Xi[1],heaDyn.vol.dynBal.medium.T,senTem2.T,con2.I.y) * Number of discrete variables: 6 ($whenCondition1,TSet.a,TSet.b,TSet.last,TSet.nextEvent,TSet.nextEventScaled) * Number of discrete states: 6 (TSet.nextEvent,TSet.last,TSet.nextEventScaled,TSet.b,TSet.a,$whenCondition1) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (83): * Single equations (assignments): 81 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,4)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0007243/1.36, allocations: 304.1 kB / 1.403 GB, free: 10.12 MB / 1.029 GB Notification: Performance of simCode: created initialization part: time 0.005221/1.365, allocations: 2.627 MB / 1.405 GB, free: 7.457 MB / 1.029 GB Notification: Performance of simCode: created event and clocks part: time 8.756e-06/1.365, allocations: 8.188 kB / 1.405 GB, free: 7.449 MB / 1.029 GB Notification: Performance of simCode: created simulation system equations: time 0.001223/1.367, allocations: 0.6045 MB / 1.406 GB, free: 6.855 MB / 1.029 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004088/1.371, allocations: 0.8374 MB / 1.407 GB, free: 6.043 MB / 1.029 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007024/1.378, allocations: 3.824 MB / 1.41 GB, free: 2.156 MB / 1.029 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009994/1.379, allocations: 1.344 MB / 1.412 GB, free: 0.7773 MB / 1.029 GB Notification: Performance of simCode: alias equations: time 0.001747/1.381, allocations: 344.9 kB / 1.412 GB, free: 444 kB / 1.029 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003302/1.381, allocations: 111.4 kB / 1.412 GB, free: 332 kB / 1.029 GB Notification: Performance of SimCode: time 1.032e-06/1.381, allocations: 4 kB / 1.412 GB, free: 328 kB / 1.029 GB Notification: Performance of Templates: time 0.05449/1.435, allocations: 32.36 MB / 1.444 GB, free: 444 kB / 1.061 GB make -j1 -f Buildings_3.0.0_Buildings.Fluid.HeatExchangers.Validation.HeaterCooler_u.makefile (rm -f Buildings_3.0.0_Buildings.Fluid.HeatExchangers.Validation.HeaterCooler_u.pipe ; mkfifo Buildings_3.0.0_Buildings.Fluid.HeatExchangers.Validation.HeaterCooler_u.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.Fluid.HeatExchangers.Validation.HeaterCooler_u.pipe >> ../files/Buildings_3.0.0_Buildings.Fluid.HeatExchangers.Validation.HeaterCooler_u.sim & ./Buildings_3.0.0_Buildings.Fluid.HeatExchangers.Validation.HeaterCooler_u -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.Fluid.HeatExchangers.Validation.HeaterCooler_u.pipe 2>&1)