Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.Chillers.Examples.Carnot_y.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.Examples.Carnot_y,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_Chillers_Examples_Carnot_y",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Fluid.Chillers.Examples.Carnot_y,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_Chillers_Examples_Carnot_y",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 0.001183/0.001183, allocations: 104.8 kB / 15.98 MB, free: 6.34 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001172/0.001172, allocations: 192.8 kB / 16.91 MB, free: 6.18 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.258/1.258, allocations: 222.9 MB / 240.6 MB, free: 4.445 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.6395/0.6395, allocations: 115.3 MB / 406.1 MB, free: 2.688 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001231/0.001231, allocations: 63.5 kB / 493.2 MB, free: 6.609 MB / 350.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1145/0.1157, allocations: 76.2 MB / 0.556 GB, free: 10.62 MB / 430.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Chillers.Examples.Carnot_y): time 0.2592/0.3749, allocations: 74.47 MB / 0.6288 GB, free: 5.016 MB / 462.1 MB Notification: Performance of NFInst.instExpressions: time 0.01605/0.391, allocations: 12.67 MB / 0.6411 GB, free: 11.34 MB / 478.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002237/0.3933, allocations: 60.62 kB / 0.6412 GB, free: 11.31 MB / 478.1 MB Notification: Performance of NFTyping.typeComponents: time 0.002094/0.3954, allocations: 0.711 MB / 0.6419 GB, free: 10.72 MB / 478.1 MB Notification: Performance of NFTyping.typeBindings: time 0.005882/0.4013, allocations: 2.288 MB / 0.6441 GB, free: 8.906 MB / 478.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.003054/0.4044, allocations: 1.29 MB / 0.6454 GB, free: 7.941 MB / 478.1 MB Notification: Performance of NFFlatten.flatten: time 0.004935/0.4094, allocations: 4.416 MB / 0.6497 GB, free: 5.32 MB / 478.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001908/0.4113, allocations: 1.425 MB / 0.6511 GB, free: 4.395 MB / 478.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003377/0.4147, allocations: 1.635 MB / 0.6527 GB, free: 3.406 MB / 478.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001641/0.4163, allocations: 1.232 MB / 0.6539 GB, free: 2.645 MB / 478.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0001667/0.4165, allocations: 162.3 kB / 0.654 GB, free: 2.645 MB / 478.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002473/0.419, allocations: 1.415 MB / 0.6554 GB, free: 1.262 MB / 478.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0003243/0.4193, allocations: 406.6 kB / 0.6558 GB, free: 0.8633 MB / 478.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0008206/0.4201, allocations: 0.9099 MB / 0.6567 GB, free: 15.95 MB / 494.1 MB Notification: Performance of NFConvertDAE.convert: time 0.002988/0.4231, allocations: 2.844 MB / 0.6595 GB, free: 13.1 MB / 494.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.098e-06/0.4231, allocations: 0 / 0.6595 GB, free: 13.1 MB / 494.1 MB Notification: Performance of FrontEnd: time 1.363e-06/0.4232, allocations: 0 / 0.6595 GB, free: 13.1 MB / 494.1 MB Notification: Performance of Transformations before backend: time 1.413e-05/0.4232, allocations: 0 / 0.6595 GB, free: 13.1 MB / 494.1 MB 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 0.003105/0.4263, allocations: 2.077 MB / 0.6615 GB, free: 10.96 MB / 494.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.898e-05/0.4263, allocations: 12.03 kB / 0.6615 GB, free: 10.95 MB / 494.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000159/0.4265, allocations: 152.1 kB / 0.6617 GB, free: 10.79 MB / 494.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007052/0.4272, allocations: 230.8 kB / 0.6619 GB, free: 10.56 MB / 494.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002015/0.4292, allocations: 1.485 MB / 0.6633 GB, free: 9.02 MB / 494.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.709e-05/0.4293, allocations: 82 kB / 0.6634 GB, free: 8.941 MB / 494.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001369/0.4294, allocations: 100 kB / 0.6635 GB, free: 8.844 MB / 494.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001764/0.4312, allocations: 1.104 MB / 0.6646 GB, free: 7.703 MB / 494.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.491e-05/0.4312, allocations: 0 / 0.6646 GB, free: 7.703 MB / 494.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.763e-05/0.4313, allocations: 39.94 kB / 0.6646 GB, free: 7.664 MB / 494.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.1e-05/0.4314, allocations: 32 kB / 0.6647 GB, free: 7.633 MB / 494.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00168/0.4331, allocations: 0.886 MB / 0.6655 GB, free: 6.75 MB / 494.1 MB 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 0.005036/0.4381, allocations: 4.904 MB / 0.6703 GB, free: 1.559 MB / 494.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.00124/0.4394, allocations: 0.618 MB / 0.6709 GB, free: 0.9336 MB / 494.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006253/0.44, allocations: 350.3 kB / 0.6712 GB, free: 0.5898 MB / 494.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0005832/0.4406, allocations: 0.8238 MB / 0.6721 GB, free: 15.58 MB / 0.4981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.014e-05/0.4406, allocations: 39.12 kB / 0.6721 GB, free: 15.54 MB / 0.4981 GB Notification: Performance of pre-optimization done (n=61): time 2.224e-06/0.4406, allocations: 0 / 0.6721 GB, free: 15.54 MB / 0.4981 GB Notification: Performance of matching and sorting (n=61): time 0.006495/0.4471, allocations: 1.693 MB / 0.6737 GB, free: 13.82 MB / 0.4981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.164e-05/0.4472, allocations: 55.97 kB / 0.6738 GB, free: 13.75 MB / 0.4981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001407/0.4486, allocations: 1.214 MB / 0.675 GB, free: 12.52 MB / 0.4981 GB Notification: Performance of collectPreVariables (initialization): time 6.291e-05/0.4487, allocations: 37.7 kB / 0.675 GB, free: 12.48 MB / 0.4981 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004671/0.4491, allocations: 0.5987 MB / 0.6756 GB, free: 11.87 MB / 0.4981 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001823/0.4493, allocations: 220.8 kB / 0.6758 GB, free: 11.65 MB / 0.4981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002085/0.4495, allocations: 150.6 kB / 0.676 GB, free: 11.5 MB / 0.4981 GB Notification: Performance of setup shared object (initialization): time 0.0001201/0.4497, allocations: 337.9 kB / 0.6763 GB, free: 11.16 MB / 0.4981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006118/0.4503, allocations: 292.7 kB / 0.6766 GB, free: 10.88 MB / 0.4981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000769/0.4511, allocations: 499.8 kB / 0.677 GB, free: 10.32 MB / 0.4981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001303/0.4524, allocations: 0.7127 MB / 0.6777 GB, free: 9.555 MB / 0.4981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.817e-06/0.4524, allocations: 4 kB / 0.6777 GB, free: 9.551 MB / 0.4981 GB Notification: Performance of matching and sorting (n=88) (initialization): time 0.004359/0.4568, allocations: 1.265 MB / 0.679 GB, free: 8.273 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 2.083e-05/0.4568, allocations: 8 kB / 0.679 GB, free: 8.266 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.521e-05/0.4568, allocations: 5.156 kB / 0.679 GB, free: 8.262 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005884/0.4574, allocations: 136.7 kB / 0.6791 GB, free: 8.125 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005942/0.458, allocations: 163.7 kB / 0.6793 GB, free: 7.965 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008027/0.4588, allocations: 0.6889 MB / 0.6799 GB, free: 7.25 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001062/0.4599, allocations: 162.9 kB / 0.6801 GB, free: 7.09 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.824e-05/0.46, allocations: 28 kB / 0.6801 GB, free: 7.062 MB / 0.4981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0009959/0.461, allocations: 0.5526 MB / 0.6807 GB, free: 6.504 MB / 0.4981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0007738/0.4618, allocations: 495.8 kB / 0.6811 GB, free: 5.945 MB / 0.4981 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.00133/0.4631, allocations: 0.6973 MB / 0.6818 GB, free: 5.199 MB / 0.4981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.755e-06/0.4631, allocations: 4 kB / 0.6818 GB, free: 5.195 MB / 0.4981 GB Notification: Performance of matching and sorting (n=88) (initialization_lambda0): time 0.004259/0.4674, allocations: 1.266 MB / 0.6831 GB, free: 3.918 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 1.311e-05/0.4674, allocations: 8 kB / 0.6831 GB, free: 3.91 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.462e-06/0.4674, allocations: 4 kB / 0.6831 GB, free: 3.906 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004711/0.4679, allocations: 137.1 kB / 0.6832 GB, free: 3.77 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000568/0.4685, allocations: 159.7 kB / 0.6834 GB, free: 3.613 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007558/0.4692, allocations: 0.6968 MB / 0.684 GB, free: 2.891 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00102/0.4703, allocations: 135.4 kB / 0.6842 GB, free: 2.758 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.338e-05/0.4704, allocations: 32 kB / 0.6842 GB, free: 2.727 MB / 0.4981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 16 * 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 (79): * Single equations (assignments): 78 * 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 {(1,9)} Notification: Performance of prepare postOptimizeDAE: time 0.0002153/0.4706, allocations: 224.1 kB / 0.6844 GB, free: 2.5 MB / 0.4981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002535/0.4708, allocations: 138.3 kB / 0.6845 GB, free: 2.363 MB / 0.4981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004271/0.4751, allocations: 1.26 MB / 0.6858 GB, free: 1.09 MB / 0.4981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.215e-05/0.4751, allocations: 4 kB / 0.6858 GB, free: 1.086 MB / 0.4981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.821e-06/0.4751, allocations: 4 kB / 0.6858 GB, free: 1.082 MB / 0.4981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003769/0.4789, allocations: 1.107 MB / 0.6869 GB, free: 15.94 MB / 0.5137 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005977/0.4849, allocations: 2.602 MB / 0.6894 GB, free: 13.22 MB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.163e-06/0.4849, allocations: 4 kB / 0.6894 GB, free: 13.22 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004478/0.4854, allocations: 115.8 kB / 0.6895 GB, free: 13.11 MB / 0.5137 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004361/0.4858, allocations: 129.2 kB / 0.6896 GB, free: 12.98 MB / 0.5137 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.733e-05/0.4859, allocations: 31.86 kB / 0.6897 GB, free: 12.95 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004423/0.4903, allocations: 2.567 MB / 0.6922 GB, free: 10.22 MB / 0.5137 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.34e-06/0.4903, allocations: 7.938 kB / 0.6922 GB, free: 10.21 MB / 0.5137 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004761/0.4951, allocations: 1.707 MB / 0.6938 GB, free: 8.441 MB / 0.5137 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004746/0.4956, allocations: 303.2 kB / 0.6941 GB, free: 8.125 MB / 0.5137 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001987/0.4958, allocations: 23.92 kB / 0.6942 GB, free: 8.102 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008483/0.4966, allocations: 87.86 kB / 0.6942 GB, free: 8.016 MB / 0.5137 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001131/0.4968, allocations: 56.31 kB / 0.6943 GB, free: 7.961 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.736e-05/0.4968, allocations: 31.98 kB / 0.6943 GB, free: 7.93 MB / 0.5137 GB Notification: Performance of sorting global known variables: time 0.00111/0.498, allocations: 0.8699 MB / 0.6952 GB, free: 7.059 MB / 0.5137 GB Notification: Performance of sort global known variables: time 1.593e-06/0.498, allocations: 0 / 0.6952 GB, free: 7.059 MB / 0.5137 GB Notification: Performance of remove unused functions: time 0.001648/0.4996, allocations: 0.7173 MB / 0.6959 GB, free: 6.34 MB / 0.5137 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 (56): * Single equations (assignments): 51 * 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 {(1,9)} Notification: Performance of Backend phase and start with SimCode phase: time 0.005852/0.5055, allocations: 2.564 MB / 0.6984 GB, free: 3.715 MB / 0.5137 GB Notification: Performance of simCode: created initialization part: time 0.002564/0.508, allocations: 1.16 MB / 0.6995 GB, free: 2.551 MB / 0.5137 GB Notification: Performance of simCode: created event and clocks part: time 3.797e-06/0.5081, allocations: 0 / 0.6995 GB, free: 2.551 MB / 0.5137 GB Notification: Performance of simCode: created simulation system equations: time 0.001349/0.5094, allocations: 0.5603 MB / 0.7001 GB, free: 1.98 MB / 0.5137 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003127/0.5126, allocations: 0.8134 MB / 0.7009 GB, free: 1.199 MB / 0.5137 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02211/0.5347, allocations: 10.83 MB / 0.7114 GB, free: 5.863 MB / 0.5294 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006854/0.5354, allocations: 1.172 MB / 0.7126 GB, free: 4.664 MB / 0.5294 GB Notification: Performance of simCode: alias equations: time 0.001132/0.5365, allocations: 299 kB / 0.7129 GB, free: 4.367 MB / 0.5294 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006248/0.5372, allocations: 0.5109 MB / 0.7134 GB, free: 3.855 MB / 0.5294 GB Notification: Performance of SimCode: time 4.81e-07/0.5372, allocations: 0 / 0.7134 GB, free: 3.855 MB / 0.5294 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 2.036/2.573, allocations: 41.44 MB / 0.7538 GB, free: 10.95 MB / 0.5762 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002405/2.573, allocations: 260.1 kB / 0.7541 GB, free: 10.68 MB / 0.5762 GB Notification: Performance of buildModelFMU: Generate platform static: time 2.82/5.393, allocations: 3.938 kB / 0.7541 GB, free: 10.67 MB / 0.5762 GB (rm -f IBPSA_latest_IBPSA.Fluid.Chillers.Examples.Carnot_y.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Chillers.Examples.Carnot_y.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Chillers.Examples.Carnot_y.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Chillers.Examples.Carnot_y.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IBPSA_latest_IBPSA_Fluid_Chillers_Examples_Carnot_y_fmu --startTime=0 --stopTime=3600 --timeout=50 --tolerance=1e-06 IBPSA_latest_IBPSA_Fluid_Chillers_Examples_Carnot_y.fmu > IBPSA_latest_IBPSA.Fluid.Chillers.Examples.Carnot_y.pipe 2>&1)