Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.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/IDEAS 3.0.0-master/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-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(IDEAS.Fluid.MassExchangers.Examples.ConstantEffectiveness,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_MassExchangers_Examples_ConstantEffectiveness",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.MassExchangers.Examples.ConstantEffectiveness,fileNamePrefix="IDEAS_dev_IDEAS_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 0.001312/0.001312, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001319/0.001319, allocations: 194.9 kB / 16.53 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.373/1.373, allocations: 222.9 MB / 240.2 MB, free: 4.41 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.9476/0.9476, allocations: 135.1 MB / 425.5 MB, free: 11.88 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.00136/0.00136, allocations: 68.25 kB / 0.5054 GB, free: 5.25 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1366/0.138, allocations: 80.92 MB / 0.5845 GB, free: 4.484 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.MassExchangers.Examples.ConstantEffectiveness): time 0.4532/0.5912, allocations: 214.2 MB / 0.7936 GB, free: 6.609 MB / 0.6075 GB Notification: Performance of NFInst.instExpressions: time 0.01066/0.6019, allocations: 7.029 MB / 0.8005 GB, free: 15.56 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001494/0.6035, allocations: 39.75 kB / 0.8005 GB, free: 15.52 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.002081/0.6056, allocations: 0.7881 MB / 0.8013 GB, free: 14.73 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.007184/0.6128, allocations: 2.501 MB / 0.8037 GB, free: 12.21 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.002938/0.6158, allocations: 1.163 MB / 0.8049 GB, free: 11.07 MB / 0.6231 GB Notification: Performance of NFFlatten.flatten: time 0.003502/0.6193, allocations: 2.813 MB / 0.8076 GB, free: 8.254 MB / 0.6231 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001684/0.621, allocations: 1.085 MB / 0.8087 GB, free: 7.152 MB / 0.6231 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003825/0.6248, allocations: 1.985 MB / 0.8106 GB, free: 5.16 MB / 0.6231 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001981/0.6268, allocations: 0.9292 MB / 0.8115 GB, free: 4.234 MB / 0.6231 GB Notification: Performance of NFPackage.collectConstants: time 0.0003472/0.6272, allocations: 123.9 kB / 0.8116 GB, free: 4.113 MB / 0.6231 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004194/0.6314, allocations: 2.444 MB / 0.814 GB, free: 1.664 MB / 0.6231 GB Notification: Performance of NFScalarize.scalarize: time 0.0005481/0.6319, allocations: 434.7 kB / 0.8144 GB, free: 1.238 MB / 0.6231 GB Notification: Performance of NFVerifyModel.verify: time 0.00109/0.633, allocations: 0.6804 MB / 0.8151 GB, free: 0.5547 MB / 0.6231 GB Notification: Performance of NFConvertDAE.convert: time 0.003849/0.6369, allocations: 2.482 MB / 0.8175 GB, free: 14.07 MB / 0.6387 GB Notification: Performance of FrontEnd - DAE generated: time 4.378e-06/0.6369, allocations: 0 / 0.8175 GB, free: 14.07 MB / 0.6387 GB Notification: Performance of FrontEnd: time 1.253e-06/0.6369, allocations: 0 / 0.8175 GB, free: 14.07 MB / 0.6387 GB Notification: Performance of Transformations before backend: time 5.305e-05/0.637, allocations: 0 / 0.8175 GB, free: 14.07 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 0.005005/0.642, allocations: 1.842 MB / 0.8193 GB, free: 12.17 MB / 0.6387 GB Notification: Performance of prepare preOptimizeDAE: time 3.92e-05/0.642, allocations: 8.031 kB / 0.8193 GB, free: 12.16 MB / 0.6387 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002474/0.6423, allocations: 131.1 kB / 0.8195 GB, free: 12.02 MB / 0.6387 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003311/0.6456, allocations: 0.5447 MB / 0.82 GB, free: 11.48 MB / 0.6387 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001812/0.6474, allocations: 0.9635 MB / 0.8209 GB, free: 10.47 MB / 0.6387 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006533/0.6481, allocations: 177.9 kB / 0.8211 GB, free: 10.3 MB / 0.6387 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000177/0.6483, allocations: 80 kB / 0.8212 GB, free: 10.22 MB / 0.6387 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002755/0.651, allocations: 1.233 MB / 0.8224 GB, free: 8.977 MB / 0.6387 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.857e-05/0.6511, allocations: 0 / 0.8224 GB, free: 8.977 MB / 0.6387 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001123/0.6512, allocations: 35.98 kB / 0.8224 GB, free: 8.941 MB / 0.6387 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.044e-05/0.6512, allocations: 49.98 kB / 0.8225 GB, free: 8.895 MB / 0.6387 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003904/0.6552, allocations: 1.55 MB / 0.824 GB, free: 7.344 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 0.006555/0.6617, allocations: 4.075 MB / 0.828 GB, free: 2.992 MB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002679/0.6644, allocations: 1.001 MB / 0.8289 GB, free: 1.984 MB / 0.6387 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001559/0.666, allocations: 0.663 MB / 0.8296 GB, free: 1.32 MB / 0.6387 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001066/0.6671, allocations: 0.6087 MB / 0.8302 GB, free: 0.5977 MB / 0.6387 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.98e-05/0.6671, allocations: 39.22 kB / 0.8302 GB, free: 0.5508 MB / 0.6387 GB Notification: Performance of pre-optimization done (n=76): time 2.134e-06/0.6671, allocations: 0 / 0.8302 GB, free: 0.5508 MB / 0.6387 GB Notification: Performance of matching and sorting (n=76): time 0.005098/0.6722, allocations: 1.812 MB / 0.832 GB, free: 14.74 MB / 0.6544 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.954e-05/0.6723, allocations: 60 kB / 0.832 GB, free: 14.66 MB / 0.6544 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001019/0.6733, allocations: 0.8233 MB / 0.8329 GB, free: 13.82 MB / 0.6544 GB Notification: Performance of collectPreVariables (initialization): time 9.548e-05/0.6734, allocations: 37.7 kB / 0.8329 GB, free: 13.77 MB / 0.6544 GB Notification: Performance of collectInitialEqns (initialization): time 0.000329/0.6737, allocations: 448.4 kB / 0.8333 GB, free: 13.33 MB / 0.6544 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002073/0.6739, allocations: 256.2 kB / 0.8336 GB, free: 13.07 MB / 0.6544 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002959/0.6742, allocations: 158.5 kB / 0.8337 GB, free: 12.91 MB / 0.6544 GB Notification: Performance of setup shared object (initialization): time 0.0001106/0.6744, allocations: 337.9 kB / 0.834 GB, free: 12.58 MB / 0.6544 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001503/0.6759, allocations: 0.5356 MB / 0.8346 GB, free: 12.04 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001606/0.6775, allocations: 0.6676 MB / 0.8352 GB, free: 11.34 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00299/0.6805, allocations: 1.143 MB / 0.8363 GB, free: 10.18 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.136e-06/0.6805, allocations: 0 / 0.8363 GB, free: 10.18 MB / 0.6544 GB Notification: Performance of matching and sorting (n=87) (initialization): time 0.00351/0.684, allocations: 1.364 MB / 0.8377 GB, free: 8.805 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 3.937e-05/0.6841, allocations: 37.7 kB / 0.8377 GB, free: 8.762 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.933e-06/0.6841, allocations: 8 kB / 0.8377 GB, free: 8.754 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.826e-05/0.6841, allocations: 7.984 kB / 0.8377 GB, free: 8.746 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001601/0.6857, allocations: 261.9 kB / 0.838 GB, free: 8.496 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0006387/0.6864, allocations: 1.192 MB / 0.8391 GB, free: 7.258 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001138/0.6875, allocations: 155.3 kB / 0.8393 GB, free: 7.105 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.062e-05/0.6876, allocations: 35.97 kB / 0.8393 GB, free: 7.07 MB / 0.6544 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001796/0.6894, allocations: 0.7673 MB / 0.8401 GB, free: 6.301 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001624/0.6911, allocations: 0.6559 MB / 0.8407 GB, free: 5.609 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002982/0.6941, allocations: 1.143 MB / 0.8418 GB, free: 4.449 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.464e-06/0.6941, allocations: 0 / 0.8418 GB, free: 4.449 MB / 0.6544 GB Notification: Performance of matching and sorting (n=87) (initialization_lambda0): time 0.003462/0.6975, allocations: 1.36 MB / 0.8431 GB, free: 3.074 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 3.89e-05/0.6976, allocations: 41.69 kB / 0.8432 GB, free: 3.027 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.597e-06/0.6976, allocations: 0 / 0.8432 GB, free: 3.027 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 8.216e-06/0.6976, allocations: 4 kB / 0.8432 GB, free: 3.023 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001266/0.6989, allocations: 231.8 kB / 0.8434 GB, free: 2.797 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.111e-05/0.6989, allocations: 4 kB / 0.8434 GB, free: 2.793 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001112/0.7, allocations: 135.5 kB / 0.8435 GB, free: 2.66 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.101e-05/0.7001, allocations: 43.95 kB / 0.8436 GB, free: 2.617 MB / 0.6544 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * 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 (86): * Single equations (assignments): 83 * 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 0.0002684/0.7004, allocations: 216.1 kB / 0.8438 GB, free: 2.398 MB / 0.6544 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00023/0.7006, allocations: 106.7 kB / 0.8439 GB, free: 2.293 MB / 0.6544 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003734/0.7044, allocations: 1.37 MB / 0.8452 GB, free: 0.9141 MB / 0.6544 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.748e-06/0.7044, allocations: 12 kB / 0.8452 GB, free: 0.9023 MB / 0.6544 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.451e-06/0.7044, allocations: 0 / 0.8452 GB, free: 0.9023 MB / 0.6544 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.536e-06/0.7044, allocations: 3.984 kB / 0.8452 GB, free: 0.8984 MB / 0.6544 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005706/0.7101, allocations: 2.847 MB / 0.848 GB, free: 13.95 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.368e-06/0.7102, allocations: 8.406 kB / 0.848 GB, free: 13.95 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001307/0.7115, allocations: 238 kB / 0.8483 GB, free: 13.71 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.312e-05/0.7115, allocations: 8 kB / 0.8483 GB, free: 13.71 MB / 0.67 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.062e-05/0.7116, allocations: 24.59 kB / 0.8483 GB, free: 13.68 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.000565/0.7122, allocations: 1.195 MB / 0.8495 GB, free: 12.44 MB / 0.67 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.979e-06/0.7122, allocations: 4 kB / 0.8495 GB, free: 12.44 MB / 0.67 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003448/0.7156, allocations: 1.463 MB / 0.8509 GB, free: 10.91 MB / 0.67 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004942/0.7161, allocations: 323.4 kB / 0.8512 GB, free: 10.57 MB / 0.67 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001878/0.7163, allocations: 16.44 kB / 0.8512 GB, free: 10.56 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001227/0.7176, allocations: 119.8 kB / 0.8513 GB, free: 10.44 MB / 0.67 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001348/0.7177, allocations: 52.48 kB / 0.8514 GB, free: 10.39 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.358e-05/0.7178, allocations: 39.91 kB / 0.8514 GB, free: 10.35 MB / 0.67 GB Notification: Performance of sorting global known variables: time 0.0007648/0.7186, allocations: 0.57 MB / 0.852 GB, free: 9.77 MB / 0.67 GB Notification: Performance of sort global known variables: time 2e-07/0.7186, allocations: 0 / 0.852 GB, free: 9.77 MB / 0.67 GB Notification: Performance of remove unused functions: time 0.001437/0.72, allocations: 0.5341 MB / 0.8525 GB, free: 9.234 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 0.004198/0.7242, allocations: 2.18 MB / 0.8546 GB, free: 7.004 MB / 0.67 GB Notification: Performance of simCode: created initialization part: time 0.005915/0.7302, allocations: 2.151 MB / 0.8567 GB, free: 4.828 MB / 0.67 GB Notification: Performance of simCode: created event and clocks part: time 8.175e-06/0.7302, allocations: 4 kB / 0.8567 GB, free: 4.824 MB / 0.67 GB Notification: Performance of simCode: created simulation system equations: time 0.001767/0.732, allocations: 0.6675 MB / 0.8574 GB, free: 4.16 MB / 0.67 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002485/0.7345, allocations: 0.4941 MB / 0.8579 GB, free: 3.684 MB / 0.67 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.2431/0.9776, allocations: 9.095 MB / 0.8667 GB, free: 220.3 MB / 0.67 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004261/0.978, allocations: 1.092 MB / 0.8678 GB, free: 219.6 MB / 0.67 GB Notification: Performance of simCode: alias equations: time 0.001532/0.9796, allocations: 383.1 kB / 0.8682 GB, free: 219.5 MB / 0.67 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005313/0.9801, allocations: 386.1 kB / 0.8685 GB, free: 219.3 MB / 0.67 GB Notification: Performance of SimCode: time 6.52e-07/0.9801, allocations: 2.875 kB / 0.8685 GB, free: 219.3 MB / 0.67 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.05127/1.031, allocations: 28.55 MB / 0.8964 GB, free: 216.9 MB / 0.67 GB Notification: Performance of buildModelFMU: Generate platform static: time 11.04/12.07, allocations: 11.28 kB / 0.8964 GB, free: 216.9 MB / 0.67 GB (rm -f IDEAS_dev_IDEAS.Fluid.MassExchangers.Examples.ConstantEffectiveness.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.MassExchangers.Examples.ConstantEffectiveness.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.MassExchangers.Examples.ConstantEffectiveness.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.MassExchangers.Examples.ConstantEffectiveness.sim & python3 -m fmpy simulate --output-file IDEAS_dev_IDEAS.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 IDEAS_dev_IDEAS_Fluid_MassExchangers_Examples_ConstantEffectiveness.fmu > IDEAS_dev_IDEAS.Fluid.MassExchangers.Examples.ConstantEffectiveness.pipe 2>&1)