Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_y_etaPL.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/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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(IBPSA.Fluid.Chillers.Validation.Carnot_y_etaPL,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_Chillers_Validation_Carnot_y_etaPL",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Fluid.Chillers.Validation.Carnot_y_etaPL,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_Chillers_Validation_Carnot_y_etaPL",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 0.001215/0.001215, allocations: 99.8 kB / 16.27 MB, free: 5.965 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0009773/0.0009772, allocations: 190.2 kB / 17.2 MB, free: 5.594 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.232/1.232, allocations: 222.9 MB / 240.9 MB, free: 15.21 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7076/0.7076, allocations: 122.8 MB / 413.9 MB, free: 15.85 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001234/0.001234, allocations: 63.84 kB / 0.4912 GB, free: 7.379 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.269/0.2703, allocations: 77.92 MB / 0.5673 GB, free: 32.93 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Chillers.Validation.Carnot_y_etaPL): time 0.0574/0.3277, allocations: 75.14 MB / 0.6407 GB, free: 15.52 MB / 494.1 MB Notification: Performance of NFInst.instExpressions: time 0.01551/0.3432, allocations: 12.76 MB / 0.6531 GB, free: 2.727 MB / 494.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001343/0.3446, allocations: 71.56 kB / 0.6532 GB, free: 2.656 MB / 494.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001606/0.3463, allocations: 0.8268 MB / 0.654 GB, free: 1.824 MB / 494.1 MB Notification: Performance of NFTyping.typeBindings: time 0.004495/0.3508, allocations: 2.472 MB / 0.6564 GB, free: 15.34 MB / 0.4981 GB Notification: Performance of NFTyping.typeClassSections: time 0.002615/0.3534, allocations: 1.372 MB / 0.6577 GB, free: 13.98 MB / 0.4981 GB Notification: Performance of NFFlatten.flatten: time 0.003775/0.3572, allocations: 4.388 MB / 0.662 GB, free: 9.586 MB / 0.4981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001501/0.3587, allocations: 1.439 MB / 0.6634 GB, free: 8.113 MB / 0.4981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002602/0.3613, allocations: 1.605 MB / 0.665 GB, free: 6.508 MB / 0.4981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001273/0.3626, allocations: 1.206 MB / 0.6662 GB, free: 5.297 MB / 0.4981 GB Notification: Performance of NFPackage.collectConstants: time 0.0002189/0.3628, allocations: 160 kB / 0.6663 GB, free: 5.141 MB / 0.4981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002469/0.3653, allocations: 1.419 MB / 0.6677 GB, free: 3.719 MB / 0.4981 GB Notification: Performance of NFScalarize.scalarize: time 0.0003268/0.3656, allocations: 398.6 kB / 0.6681 GB, free: 3.328 MB / 0.4981 GB Notification: Performance of NFVerifyModel.verify: time 0.0007654/0.3664, allocations: 0.906 MB / 0.669 GB, free: 2.418 MB / 0.4981 GB Notification: Performance of NFConvertDAE.convert: time 0.002864/0.3693, allocations: 2.84 MB / 0.6718 GB, free: 15.57 MB / 0.5137 GB Notification: Performance of FrontEnd - DAE generated: time 3.266e-06/0.3693, allocations: 0 / 0.6718 GB, free: 15.57 MB / 0.5137 GB Notification: Performance of FrontEnd: time 1.312e-06/0.3693, allocations: 0 / 0.6718 GB, free: 15.57 MB / 0.5137 GB Notification: Performance of Transformations before backend: time 1.497e-05/0.3693, allocations: 4 kB / 0.6718 GB, free: 15.57 MB / 0.5137 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 240 * Number of variables: 240 Notification: Performance of Generate backend data structure: time 0.003174/0.3725, allocations: 2.091 MB / 0.6738 GB, free: 13.41 MB / 0.5137 GB Notification: Performance of prepare preOptimizeDAE: time 3.587e-05/0.3725, allocations: 8.625 kB / 0.6738 GB, free: 13.4 MB / 0.5137 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001538/0.3727, allocations: 148.1 kB / 0.6739 GB, free: 13.25 MB / 0.5137 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007616/0.3735, allocations: 226.9 kB / 0.6742 GB, free: 13.03 MB / 0.5137 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001979/0.3755, allocations: 1.455 MB / 0.6756 GB, free: 11.52 MB / 0.5137 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.956e-05/0.3755, allocations: 74 kB / 0.6757 GB, free: 11.45 MB / 0.5137 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000136/0.3757, allocations: 107.8 kB / 0.6758 GB, free: 11.34 MB / 0.5137 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001774/0.3774, allocations: 1.104 MB / 0.6768 GB, free: 10.2 MB / 0.5137 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.356e-05/0.3775, allocations: 4 kB / 0.6768 GB, free: 10.2 MB / 0.5137 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.526e-05/0.3776, allocations: 40 kB / 0.6769 GB, free: 10.16 MB / 0.5137 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.11e-05/0.3776, allocations: 28 kB / 0.6769 GB, free: 10.13 MB / 0.5137 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001801/0.3794, allocations: 0.89 MB / 0.6778 GB, free: 9.238 MB / 0.5137 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 0.005022/0.3845, allocations: 4.944 MB / 0.6826 GB, free: 4.004 MB / 0.5137 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001297/0.3858, allocations: 0.6388 MB / 0.6832 GB, free: 3.359 MB / 0.5137 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006933/0.3865, allocations: 352.1 kB / 0.6836 GB, free: 3.016 MB / 0.5137 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005408/0.387, allocations: 0.8355 MB / 0.6844 GB, free: 1.996 MB / 0.5137 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.374e-05/0.3871, allocations: 39.12 kB / 0.6844 GB, free: 1.945 MB / 0.5137 GB Notification: Performance of pre-optimization done (n=62): time 2.024e-06/0.3871, allocations: 4 kB / 0.6844 GB, free: 1.941 MB / 0.5137 GB Notification: Performance of matching and sorting (n=62): time 0.007187/0.3943, allocations: 1.693 MB / 0.6861 GB, free: 224 kB / 0.5137 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.794e-05/0.3943, allocations: 55.97 kB / 0.6861 GB, free: 156 kB / 0.5137 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001369/0.3957, allocations: 1.225 MB / 0.6873 GB, free: 14.91 MB / 0.5294 GB Notification: Performance of collectPreVariables (initialization): time 5.527e-05/0.3957, allocations: 41.7 kB / 0.6874 GB, free: 14.86 MB / 0.5294 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004435/0.3962, allocations: 0.5988 MB / 0.6879 GB, free: 14.26 MB / 0.5294 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001603/0.3964, allocations: 216.8 kB / 0.6882 GB, free: 14.04 MB / 0.5294 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002109/0.3966, allocations: 154.6 kB / 0.6883 GB, free: 13.88 MB / 0.5294 GB Notification: Performance of setup shared object (initialization): time 9.993e-05/0.3967, allocations: 330 kB / 0.6886 GB, free: 13.55 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006613/0.3973, allocations: 296.6 kB / 0.6889 GB, free: 13.26 MB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000798/0.3982, allocations: 487 kB / 0.6894 GB, free: 12.71 MB / 0.5294 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001409/0.3996, allocations: 0.7158 MB / 0.6901 GB, free: 11.95 MB / 0.5294 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.926e-06/0.3996, allocations: 0 / 0.6901 GB, free: 11.95 MB / 0.5294 GB Notification: Performance of matching and sorting (n=88) (initialization): time 0.004725/0.4043, allocations: 1.281 MB / 0.6913 GB, free: 10.66 MB / 0.5294 GB Notification: Performance of prepare postOptimizeDAE: time 1.343e-05/0.4043, allocations: 8 kB / 0.6913 GB, free: 10.65 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.925e-06/0.4044, allocations: 4 kB / 0.6913 GB, free: 10.64 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006528/0.405, allocations: 153.4 kB / 0.6915 GB, free: 10.49 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005874/0.4056, allocations: 155.8 kB / 0.6916 GB, free: 10.34 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.000819/0.4064, allocations: 0.7225 MB / 0.6923 GB, free: 9.594 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008876/0.4073, allocations: 127 kB / 0.6924 GB, free: 9.469 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.694e-05/0.4074, allocations: 31.98 kB / 0.6925 GB, free: 9.438 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.000955/0.4084, allocations: 0.5527 MB / 0.693 GB, free: 8.883 MB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0007833/0.4092, allocations: 487 kB / 0.6935 GB, free: 8.336 MB / 0.5294 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.00136/0.4105, allocations: 0.7004 MB / 0.6942 GB, free: 7.59 MB / 0.5294 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.154e-06/0.4106, allocations: 0 / 0.6942 GB, free: 7.59 MB / 0.5294 GB Notification: Performance of matching and sorting (n=88) (initialization_lambda0): time 0.004704/0.4153, allocations: 1.273 MB / 0.6954 GB, free: 6.305 MB / 0.5294 GB Notification: Performance of prepare postOptimizeDAE: time 9.338e-06/0.4153, allocations: 10.25 kB / 0.6954 GB, free: 6.297 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.889e-06/0.4153, allocations: 8 kB / 0.6954 GB, free: 6.289 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005695/0.4159, allocations: 152.7 kB / 0.6956 GB, free: 6.137 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005669/0.4165, allocations: 151.8 kB / 0.6957 GB, free: 5.988 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007747/0.4172, allocations: 0.7239 MB / 0.6964 GB, free: 5.238 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008745/0.4181, allocations: 99.52 kB / 0.6965 GB, free: 5.141 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.858e-05/0.4182, allocations: 35.98 kB / 0.6966 GB, free: 5.105 MB / 0.5294 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 15 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (77): * Single equations (assignments): 76 * Array equations: 0 * Algorithm blocks: 0 * 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 {(1,11)} Notification: Performance of prepare postOptimizeDAE: time 0.0001745/0.4184, allocations: 224.9 kB / 0.6968 GB, free: 4.879 MB / 0.5294 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002027/0.4186, allocations: 142.2 kB / 0.6969 GB, free: 4.738 MB / 0.5294 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004767/0.4234, allocations: 1.282 MB / 0.6982 GB, free: 3.438 MB / 0.5294 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.27e-05/0.4234, allocations: 11.98 kB / 0.6982 GB, free: 3.426 MB / 0.5294 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.869e-06/0.4234, allocations: 0 / 0.6982 GB, free: 3.426 MB / 0.5294 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.004272/0.4277, allocations: 1.111 MB / 0.6993 GB, free: 2.285 MB / 0.5294 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006136/0.4338, allocations: 2.622 MB / 0.7018 GB, free: 15.55 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.553e-06/0.4338, allocations: 8.062 kB / 0.7018 GB, free: 15.54 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004695/0.4343, allocations: 119.8 kB / 0.7019 GB, free: 15.42 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005621/0.4349, allocations: 152.7 kB / 0.7021 GB, free: 15.27 MB / 0.545 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.432e-05/0.4349, allocations: 16 kB / 0.7021 GB, free: 15.25 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0007536/0.4357, allocations: 0.7122 MB / 0.7028 GB, free: 14.52 MB / 0.545 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.867e-06/0.4357, allocations: 4 kB / 0.7028 GB, free: 14.51 MB / 0.545 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0052/0.4409, allocations: 1.699 MB / 0.7045 GB, free: 12.74 MB / 0.545 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004004/0.4413, allocations: 311.2 kB / 0.7048 GB, free: 12.42 MB / 0.545 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001742/0.4415, allocations: 20.06 kB / 0.7048 GB, free: 12.4 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008029/0.4423, allocations: 55.94 kB / 0.7048 GB, free: 12.34 MB / 0.545 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001044/0.4424, allocations: 52.25 kB / 0.7049 GB, free: 12.29 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.875e-05/0.4425, allocations: 39.97 kB / 0.7049 GB, free: 12.25 MB / 0.545 GB Notification: Performance of sorting global known variables: time 0.00109/0.4436, allocations: 0.8777 MB / 0.7058 GB, free: 11.38 MB / 0.545 GB Notification: Performance of sort global known variables: time 1.51e-07/0.4436, allocations: 0 / 0.7058 GB, free: 11.38 MB / 0.545 GB Notification: Performance of remove unused functions: time 0.00156/0.4452, allocations: 0.7096 MB / 0.7065 GB, free: 10.66 MB / 0.545 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 15 * Number of states: 2 (chi.con.vol.dynBal.U,chi.eva.vol.dynBal.U) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (55): * Single equations (assignments): 50 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * 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 {(1,11)} Notification: Performance of Backend phase and start with SimCode phase: time 0.006228/0.4514, allocations: 2.604 MB / 0.709 GB, free: 8 MB / 0.545 GB Notification: Performance of simCode: created initialization part: time 0.002637/0.4541, allocations: 1.16 MB / 0.7101 GB, free: 6.84 MB / 0.545 GB Notification: Performance of simCode: created event and clocks part: time 3.606e-06/0.4541, allocations: 0 / 0.7101 GB, free: 6.84 MB / 0.545 GB Notification: Performance of simCode: created simulation system equations: time 0.0008629/0.455, allocations: 391.5 kB / 0.7105 GB, free: 6.461 MB / 0.545 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003286/0.4583, allocations: 0.804 MB / 0.7113 GB, free: 5.703 MB / 0.545 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01925/0.4775, allocations: 10.49 MB / 0.7215 GB, free: 10.7 MB / 0.5606 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000619/0.4782, allocations: 1.172 MB / 0.7227 GB, free: 9.504 MB / 0.5606 GB Notification: Performance of simCode: alias equations: time 0.00114/0.4793, allocations: 310.8 kB / 0.723 GB, free: 9.199 MB / 0.5606 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006311/0.4799, allocations: 0.511 MB / 0.7235 GB, free: 8.688 MB / 0.5606 GB Notification: Performance of SimCode: time 8.22e-07/0.48, allocations: 0 / 0.7235 GB, free: 8.688 MB / 0.5606 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.2637/0.7437, allocations: 42.08 MB / 0.7646 GB, free: 153.9 MB / 0.5762 GB Notification: Performance of buildModelFMU: Generate platform static: time 11.26/12.01, allocations: 6.578 kB / 0.7646 GB, free: 153.9 MB / 0.5762 GB (rm -f IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_y_etaPL.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_y_etaPL.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_y_etaPL.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_y_etaPL.sim & python3 -m fmpy simulate --output-file IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_y_etaPL_res.csv --start-time 0 --stop-time 3600 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 1.44 IBPSA_latest_IBPSA_Fluid_Chillers_Validation_Carnot_y_etaPL.fmu > IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_y_etaPL.pipe 2>&1)