Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.MassExchangers.Examples.ConstantEffectiveness.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.MassExchangers.Examples.ConstantEffectiveness,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_MassExchangers_Examples_ConstantEffectiveness",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Fluid.MassExchangers.Examples.ConstantEffectiveness,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_MassExchangers_Examples_ConstantEffectiveness",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 0.001105/0.001105, allocations: 104.7 kB / 16.4 MB, free: 6.469 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001261/0.001261, allocations: 193.2 kB / 17.34 MB, free: 5.715 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.29/1.29, allocations: 222.9 MB / 241 MB, free: 15.14 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7467/0.7467, allocations: 122.9 MB / 414.1 MB, free: 15.84 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001235/0.001235, allocations: 71.58 kB / 0.5679 GB, free: 29.05 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1507/0.1519, allocations: 77.93 MB / 0.644 GB, free: 9.566 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.MassExchangers.Examples.ConstantEffectiveness): time 0.5573/0.7093, allocations: 214.2 MB / 0.8532 GB, free: 3.027 MB / 0.6075 GB Notification: Performance of NFInst.instExpressions: time 0.01198/0.7213, allocations: 7.049 MB / 0.8601 GB, free: 13.29 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002088/0.7234, allocations: 47.41 kB / 0.8601 GB, free: 13.27 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.00235/0.7258, allocations: 0.8076 MB / 0.8609 GB, free: 12.6 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.006863/0.7327, allocations: 2.627 MB / 0.8635 GB, free: 10.59 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.002971/0.7357, allocations: 1.167 MB / 0.8646 GB, free: 9.73 MB / 0.6231 GB Notification: Performance of NFFlatten.flatten: time 0.003762/0.7395, allocations: 2.85 MB / 0.8674 GB, free: 7.281 MB / 0.6231 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001461/0.7409, allocations: 1.078 MB / 0.8685 GB, free: 6.184 MB / 0.6231 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004528/0.7455, allocations: 2.055 MB / 0.8705 GB, free: 4.121 MB / 0.6231 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001943/0.7474, allocations: 0.9491 MB / 0.8714 GB, free: 3.172 MB / 0.6231 GB Notification: Performance of NFPackage.collectConstants: time 0.0003299/0.7478, allocations: 116 kB / 0.8715 GB, free: 3.059 MB / 0.6231 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004781/0.7526, allocations: 2.455 MB / 0.8739 GB, free: 0.5977 MB / 0.6231 GB Notification: Performance of NFScalarize.scalarize: time 0.000587/0.7532, allocations: 426.7 kB / 0.8743 GB, free: 184 kB / 0.6231 GB Notification: Performance of NFVerifyModel.verify: time 0.001295/0.7545, allocations: 0.6921 MB / 0.875 GB, free: 15.48 MB / 0.6387 GB Notification: Performance of NFConvertDAE.convert: time 0.004826/0.7593, allocations: 2.498 MB / 0.8774 GB, free: 12.98 MB / 0.6387 GB Notification: Performance of FrontEnd - DAE generated: time 5.28e-06/0.7594, allocations: 0 / 0.8774 GB, free: 12.98 MB / 0.6387 GB Notification: Performance of FrontEnd: time 2.064e-06/0.7594, allocations: 0 / 0.8774 GB, free: 12.98 MB / 0.6387 GB Notification: Performance of Transformations before backend: time 2.309e-05/0.7594, allocations: 0 / 0.8774 GB, free: 12.98 MB / 0.6387 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 209 * Number of variables: 209 Notification: Performance of Generate backend data structure: time 0.004375/0.7638, allocations: 1.892 MB / 0.8793 GB, free: 11.02 MB / 0.6387 GB Notification: Performance of prepare preOptimizeDAE: time 4.814e-05/0.7638, allocations: 8.625 kB / 0.8793 GB, free: 11.02 MB / 0.6387 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001614/0.764, allocations: 131.1 kB / 0.8794 GB, free: 10.88 MB / 0.6387 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003061/0.7671, allocations: 0.5415 MB / 0.8799 GB, free: 10.34 MB / 0.6387 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002056/0.7692, allocations: 1.02 MB / 0.8809 GB, free: 9.273 MB / 0.6387 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.063e-05/0.7692, allocations: 62 kB / 0.881 GB, free: 9.211 MB / 0.6387 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00015/0.7694, allocations: 88 kB / 0.8811 GB, free: 9.125 MB / 0.6387 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002647/0.7721, allocations: 1.221 MB / 0.8823 GB, free: 7.895 MB / 0.6387 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.005e-05/0.7721, allocations: 0 / 0.8823 GB, free: 7.895 MB / 0.6387 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001019/0.7722, allocations: 35.98 kB / 0.8823 GB, free: 7.859 MB / 0.6387 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.455e-05/0.7723, allocations: 45.98 kB / 0.8823 GB, free: 7.816 MB / 0.6387 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003543/0.7758, allocations: 1.53 MB / 0.8838 GB, free: 6.285 MB / 0.6387 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 0.006398/0.7822, allocations: 4.031 MB / 0.8878 GB, free: 1.98 MB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002334/0.7846, allocations: 0.9786 MB / 0.8887 GB, free: 0.9922 MB / 0.6387 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001438/0.786, allocations: 0.6513 MB / 0.8894 GB, free: 344 kB / 0.6387 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001078/0.7871, allocations: 0.6086 MB / 0.89 GB, free: 15.62 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.389e-05/0.7872, allocations: 43.22 kB / 0.89 GB, free: 15.57 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=76): time 2.805e-06/0.7872, allocations: 0 / 0.89 GB, free: 15.57 MB / 0.6544 GB Notification: Performance of matching and sorting (n=76): time 0.005034/0.7922, allocations: 1.789 MB / 0.8917 GB, free: 13.77 MB / 0.6544 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.262e-05/0.7923, allocations: 64.05 kB / 0.8918 GB, free: 13.7 MB / 0.6544 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001188/0.7935, allocations: 0.8193 MB / 0.8926 GB, free: 12.85 MB / 0.6544 GB Notification: Performance of collectPreVariables (initialization): time 0.0001211/0.7936, allocations: 41.7 kB / 0.8926 GB, free: 12.8 MB / 0.6544 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003537/0.794, allocations: 449.1 kB / 0.8931 GB, free: 12.36 MB / 0.6544 GB Notification: Performance of collectInitialBindings (initialization): time 0.000237/0.7942, allocations: 273.6 kB / 0.8933 GB, free: 12.09 MB / 0.6544 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003451/0.7946, allocations: 162.5 kB / 0.8935 GB, free: 11.93 MB / 0.6544 GB Notification: Performance of setup shared object (initialization): time 0.0001544/0.7947, allocations: 334 kB / 0.8938 GB, free: 11.59 MB / 0.6544 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001448/0.7962, allocations: 0.5238 MB / 0.8943 GB, free: 11.07 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001547/0.7977, allocations: 0.6472 MB / 0.895 GB, free: 10.39 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002794/0.8005, allocations: 1.119 MB / 0.896 GB, free: 9.254 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.213e-06/0.8006, allocations: 3.938 kB / 0.896 GB, free: 9.25 MB / 0.6544 GB Notification: Performance of matching and sorting (n=84) (initialization): time 0.003397/0.804, allocations: 1.33 MB / 0.8973 GB, free: 7.906 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 5.594e-05/0.804, allocations: 43.41 kB / 0.8974 GB, free: 7.859 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.854e-05/0.8041, allocations: 3.984 kB / 0.8974 GB, free: 7.855 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.202e-05/0.8041, allocations: 4 kB / 0.8974 GB, free: 7.852 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001513/0.8056, allocations: 257.5 kB / 0.8976 GB, free: 7.602 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007341/0.8064, allocations: 1.188 MB / 0.8988 GB, free: 6.367 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001143/0.8075, allocations: 147.6 kB / 0.8989 GB, free: 6.223 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001004/0.8076, allocations: 35.97 kB / 0.899 GB, free: 6.188 MB / 0.6544 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001716/0.8093, allocations: 0.7512 MB / 0.8997 GB, free: 5.434 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001452/0.8108, allocations: 0.6404 MB / 0.9003 GB, free: 4.766 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002681/0.8135, allocations: 1.107 MB / 0.9014 GB, free: 3.637 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.617e-06/0.8135, allocations: 0 / 0.9014 GB, free: 3.637 MB / 0.6544 GB Notification: Performance of matching and sorting (n=84) (initialization_lambda0): time 0.00326/0.8168, allocations: 1.322 MB / 0.9027 GB, free: 2.301 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 3.46e-05/0.8168, allocations: 33.7 kB / 0.9027 GB, free: 2.262 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.504e-06/0.8169, allocations: 7.938 kB / 0.9027 GB, free: 2.254 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 8.126e-06/0.8169, allocations: 4 kB / 0.9027 GB, free: 2.25 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001164/0.818, allocations: 231.7 kB / 0.903 GB, free: 2.023 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.037e-05/0.8181, allocations: 4 kB / 0.903 GB, free: 2.02 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001077/0.8191, allocations: 131.5 kB / 0.9031 GB, free: 1.891 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.348e-05/0.8192, allocations: 35.97 kB / 0.9031 GB, free: 1.855 MB / 0.6544 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 2 (hex.i2_w,hex.i1_w) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (83): * Single equations (assignments): 80 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0002863/0.8195, allocations: 220.1 kB / 0.9033 GB, free: 1.633 MB / 0.6544 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002732/0.8198, allocations: 115.2 kB / 0.9035 GB, free: 1.52 MB / 0.6544 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003399/0.8232, allocations: 1.345 MB / 0.9048 GB, free: 176 kB / 0.6544 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.013e-06/0.8232, allocations: 4 kB / 0.9048 GB, free: 172 kB / 0.6544 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.322e-06/0.8233, allocations: 4 kB / 0.9048 GB, free: 168 kB / 0.6544 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.945e-06/0.8233, allocations: 3.984 kB / 0.9048 GB, free: 164 kB / 0.6544 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005615/0.8289, allocations: 2.847 MB / 0.9076 GB, free: 13.2 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.606e-06/0.8289, allocations: 4 kB / 0.9076 GB, free: 13.2 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001221/0.8302, allocations: 228 kB / 0.9078 GB, free: 12.98 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.377e-05/0.8302, allocations: 7.938 kB / 0.9078 GB, free: 12.97 MB / 0.67 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.794e-05/0.8303, allocations: 27.98 kB / 0.9078 GB, free: 12.94 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0006031/0.8309, allocations: 1.192 MB / 0.909 GB, free: 11.7 MB / 0.67 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.992e-06/0.8309, allocations: 11.88 kB / 0.909 GB, free: 11.69 MB / 0.67 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003259/0.8341, allocations: 1.456 MB / 0.9104 GB, free: 10.17 MB / 0.67 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006293/0.8348, allocations: 316 kB / 0.9107 GB, free: 9.844 MB / 0.67 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000204/0.835, allocations: 20 kB / 0.9107 GB, free: 9.824 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00115/0.8362, allocations: 107.9 kB / 0.9108 GB, free: 9.719 MB / 0.67 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001339/0.8363, allocations: 60.38 kB / 0.9109 GB, free: 9.66 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.326e-05/0.8364, allocations: 39.91 kB / 0.9109 GB, free: 9.621 MB / 0.67 GB Notification: Performance of sorting global known variables: time 0.000798/0.8372, allocations: 0.5739 MB / 0.9115 GB, free: 9.035 MB / 0.67 GB Notification: Performance of sort global known variables: time 1.61e-07/0.8372, allocations: 4 kB / 0.9115 GB, free: 9.031 MB / 0.67 GB Notification: Performance of remove unused functions: time 0.001459/0.8387, allocations: 0.5304 MB / 0.912 GB, free: 8.5 MB / 0.67 GB Notification: Model statistics after passing the back-end for simulation: * 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 simulation (76): * Single equations (assignments): 74 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.004058/0.8427, allocations: 2.168 MB / 0.9141 GB, free: 6.273 MB / 0.67 GB Notification: Performance of simCode: created initialization part: time 0.005368/0.8481, allocations: 2.01 MB / 0.9161 GB, free: 4.238 MB / 0.67 GB Notification: Performance of simCode: created event and clocks part: time 8.907e-06/0.8482, allocations: 0 / 0.9161 GB, free: 4.238 MB / 0.67 GB Notification: Performance of simCode: created simulation system equations: time 0.001848/0.85, allocations: 0.6636 MB / 0.9167 GB, free: 3.574 MB / 0.67 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002901/0.8529, allocations: 0.4979 MB / 0.9172 GB, free: 3.082 MB / 0.67 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01875/0.8717, allocations: 8.679 MB / 0.9257 GB, free: 10.17 MB / 0.6856 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000816/0.8726, allocations: 1.098 MB / 0.9268 GB, free: 9.039 MB / 0.6856 GB Notification: Performance of simCode: alias equations: time 0.001483/0.8741, allocations: 387.5 kB / 0.9271 GB, free: 8.656 MB / 0.6856 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000676/0.8748, allocations: 395.3 kB / 0.9275 GB, free: 8.27 MB / 0.6856 GB Notification: Performance of SimCode: time 6.91e-07/0.8748, allocations: 0 / 0.9275 GB, free: 8.27 MB / 0.6856 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.05465/0.9294, allocations: 28.85 MB / 0.9557 GB, free: 11.83 MB / 0.7169 GB Notification: Performance of buildModelFMU: Generate platform static: time 12.58/13.51, allocations: 19.84 kB / 0.9557 GB, free: 11.81 MB / 0.7169 GB (rm -f IBPSA_latest_IBPSA.Fluid.MassExchangers.Examples.ConstantEffectiveness.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.MassExchangers.Examples.ConstantEffectiveness.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.MassExchangers.Examples.ConstantEffectiveness.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.MassExchangers.Examples.ConstantEffectiveness.sim & python3 -m fmpy simulate --output-file IBPSA_latest_IBPSA.Fluid.MassExchangers.Examples.ConstantEffectiveness_res.csv --start-time 0 --stop-time 360 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.144 IBPSA_latest_IBPSA_Fluid_MassExchangers_Examples_ConstantEffectiveness.fmu > IBPSA_latest_IBPSA.Fluid.MassExchangers.Examples.ConstantEffectiveness.pipe 2>&1)