Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger.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/BuildSysPro 3.6.0-master/package.mo", uses=false) Using package BuildSysPro with version 3.6.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-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(BuildSysPro.IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger") translateModel(BuildSysPro.IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001703/0.001702, allocations: 105.1 kB / 16.27 MB, free: 6.398 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001687/0.001687, allocations: 191.8 kB / 17.2 MB, free: 5.969 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.46/1.46, allocations: 222.9 MB / 240.9 MB, free: 15.28 MB / 206.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-master/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-master/package.mo): time 0.9136/0.9136, allocations: 143.3 MB / 434.4 MB, free: 11.96 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.00224/0.00224, allocations: 59.91 kB / 0.5151 GB, free: 15.06 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3764/0.3787, allocations: 82.04 MB / 0.5952 GB, free: 16.18 MB / 446.1 MB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger): time 0.7478/1.127, allocations: 328.9 MB / 0.9163 GB, free: 5.008 MB / 0.6387 GB Notification: Performance of NFInst.instExpressions: time 0.04428/1.171, allocations: 30.13 MB / 0.9458 GB, free: 6.797 MB / 0.67 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.004826/1.176, allocations: 95.44 kB / 0.9459 GB, free: 6.703 MB / 0.67 GB Notification: Performance of NFTyping.typeComponents: time 0.006582/1.182, allocations: 2.097 MB / 0.9479 GB, free: 4.594 MB / 0.67 GB Notification: Performance of NFTyping.typeBindings: time 0.01481/1.197, allocations: 4.964 MB / 0.9528 GB, free: 15.61 MB / 0.6856 GB Notification: Performance of NFTyping.typeClassSections: time 0.01026/1.208, allocations: 3.644 MB / 0.9563 GB, free: 11.98 MB / 0.6856 GB Notification: Performance of NFFlatten.flatten: time 0.01193/1.219, allocations: 6.926 MB / 0.9631 GB, free: 5.035 MB / 0.6856 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005673/1.225, allocations: 2.867 MB / 0.9659 GB, free: 2.105 MB / 0.6856 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01562/1.241, allocations: 5.259 MB / 0.971 GB, free: 12.85 MB / 0.7012 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005802/1.247, allocations: 2.418 MB / 0.9734 GB, free: 10.43 MB / 0.7012 GB Notification: Performance of NFPackage.collectConstants: time 0.001548/1.248, allocations: 296 kB / 0.9737 GB, free: 10.14 MB / 0.7012 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01232/1.261, allocations: 4.805 MB / 0.9784 GB, free: 5.328 MB / 0.7012 GB Notification: Performance of NFScalarize.scalarize: time 0.002349/1.263, allocations: 1.075 MB / 0.9794 GB, free: 4.25 MB / 0.7012 GB Notification: Performance of NFVerifyModel.verify: time 0.004738/1.268, allocations: 1.742 MB / 0.9811 GB, free: 2.5 MB / 0.7012 GB Notification: Performance of NFConvertDAE.convert: time 0.01452/1.282, allocations: 5.897 MB / 0.9869 GB, free: 12.59 MB / 0.7169 GB Notification: Performance of FrontEnd - DAE generated: time 1.042e-05/1.282, allocations: 4 kB / 0.9869 GB, free: 12.58 MB / 0.7169 GB Notification: Performance of FrontEnd: time 5.58e-06/1.282, allocations: 7.922 kB / 0.9869 GB, free: 12.57 MB / 0.7169 GB Notification: Performance of Transformations before backend: time 0.0001862/1.283, allocations: 0 / 0.9869 GB, free: 12.57 MB / 0.7169 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 536 * Number of variables: 536 Notification: Performance of Generate backend data structure: time 0.01253/1.295, allocations: 3.715 MB / 0.9905 GB, free: 8.773 MB / 0.7169 GB Notification: Performance of prepare preOptimizeDAE: time 5.048e-05/1.295, allocations: 12.03 kB / 0.9905 GB, free: 8.762 MB / 0.7169 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0107/1.306, allocations: 1.467 MB / 0.9919 GB, free: 7.289 MB / 0.7169 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005733/1.312, allocations: 1.972 MB / 0.9939 GB, free: 5.238 MB / 0.7169 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.00145/1.313, allocations: 395.8 kB / 0.9943 GB, free: 4.848 MB / 0.7169 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009164/1.314, allocations: 220 kB / 0.9945 GB, free: 4.633 MB / 0.7169 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.009534/1.324, allocations: 3.074 MB / 0.9975 GB, free: 1.422 MB / 0.7169 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.204e-05/1.324, allocations: 7.938 kB / 0.9975 GB, free: 1.414 MB / 0.7169 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005992/1.324, allocations: 92 kB / 0.9976 GB, free: 1.324 MB / 0.7169 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000129/1.324, allocations: 91.94 kB / 0.9976 GB, free: 1.23 MB / 0.7169 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.008632/1.333, allocations: 3.142 MB / 1.001 GB, free: 14.07 MB / 0.7325 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 0.02962/1.363, allocations: 14.16 MB / 1.015 GB, free: 14.81 MB / 0.7481 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004617/1.367, allocations: 1.649 MB / 1.016 GB, free: 13.15 MB / 0.7481 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001941/1.369, allocations: 0.7743 MB / 1.017 GB, free: 12.38 MB / 0.7481 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0007626/1.37, allocations: 324.8 kB / 1.017 GB, free: 12 MB / 0.7481 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.664e-05/1.37, allocations: 55.56 kB / 1.017 GB, free: 11.94 MB / 0.7481 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.001688/1.372, allocations: 198 kB / 1.017 GB, free: 11.74 MB / 0.7481 GB Notification: Performance of pre-optimization done (n=110): time 7.794e-06/1.372, allocations: 0 / 1.017 GB, free: 11.74 MB / 0.7481 GB Notification: Performance of matching and sorting (n=110): time 0.006668/1.379, allocations: 2.36 MB / 1.02 GB, free: 9.379 MB / 0.7481 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.025e-05/1.379, allocations: 64.41 kB / 1.02 GB, free: 9.301 MB / 0.7481 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004611/1.383, allocations: 2.537 MB / 1.022 GB, free: 6.746 MB / 0.7481 GB Notification: Performance of collectPreVariables (initialization): time 0.0002784/1.384, allocations: 61.7 kB / 1.022 GB, free: 6.68 MB / 0.7481 GB Notification: Performance of collectInitialEqns (initialization): time 0.001231/1.385, allocations: 1.264 MB / 1.024 GB, free: 5.398 MB / 0.7481 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003867/1.385, allocations: 386.5 kB / 1.024 GB, free: 5.016 MB / 0.7481 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007247/1.386, allocations: 395 kB / 1.024 GB, free: 4.625 MB / 0.7481 GB Notification: Performance of setup shared object (initialization): time 0.0001634/1.386, allocations: 309.1 kB / 1.025 GB, free: 4.32 MB / 0.7481 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002716/1.389, allocations: 0.9728 MB / 1.026 GB, free: 3.344 MB / 0.7481 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003371/1.392, allocations: 1.614 MB / 1.027 GB, free: 1.457 MB / 0.7481 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00505/1.397, allocations: 2.269 MB / 1.029 GB, free: 14.98 MB / 0.7637 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.218e-05/1.397, allocations: 4 kB / 1.029 GB, free: 14.98 MB / 0.7637 GB Notification: Performance of matching and sorting (n=216) (initialization): time 0.00735/1.405, allocations: 2.828 MB / 1.032 GB, free: 12.13 MB / 0.7637 GB Notification: Performance of prepare postOptimizeDAE: time 8.163e-05/1.405, allocations: 75.39 kB / 1.032 GB, free: 12.05 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.807e-05/1.405, allocations: 16 kB / 1.032 GB, free: 12.03 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.815e-05/1.405, allocations: 20 kB / 1.032 GB, free: 12.01 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003023/1.408, allocations: 0.5694 MB / 1.033 GB, free: 11.44 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001625/1.41, allocations: 2.391 MB / 1.035 GB, free: 8.957 MB / 0.7637 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003796/1.413, allocations: 327.1 kB / 1.035 GB, free: 8.641 MB / 0.7637 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002088/1.414, allocations: 87.95 kB / 1.036 GB, free: 8.555 MB / 0.7637 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.003781/1.417, allocations: 1.417 MB / 1.037 GB, free: 7.133 MB / 0.7637 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.003288/1.421, allocations: 1.606 MB / 1.038 GB, free: 5.254 MB / 0.7637 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.004922/1.426, allocations: 2.262 MB / 1.041 GB, free: 2.793 MB / 0.7637 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.886e-06/1.426, allocations: 4 kB / 1.041 GB, free: 2.789 MB / 0.7637 GB Notification: Performance of matching and sorting (n=216) (initialization_lambda0): time 0.3507/1.776, allocations: 2.809 MB / 1.043 GB, free: 331.5 MB / 0.7637 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001135/1.777, allocations: 76.08 kB / 1.044 GB, free: 331.4 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.938e-05/1.777, allocations: 14.72 kB / 1.044 GB, free: 331.4 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (initialization): time 5.039e-05/1.777, allocations: 22.88 kB / 1.044 GB, free: 331.4 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003214/1.78, allocations: 0.5177 MB / 1.044 GB, free: 331.4 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.808e-05/1.78, allocations: 35.08 kB / 1.044 GB, free: 331.4 MB / 0.7637 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00415/1.784, allocations: 325.6 kB / 1.044 GB, free: 331.4 MB / 0.7637 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004921/1.785, allocations: 94.39 kB / 1.044 GB, free: 331.4 MB / 0.7637 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 61 * Number of states: 0 () * Number of discrete variables: 4 (masExcRev.i2_w,masExcRev.i1_w,masExcFor.i2_w,masExcFor.i1_w) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (214): * Single equations (assignments): 208 * Array equations: 0 * Algorithm blocks: 2 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 4 * 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): 4 systems {1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.000813/1.785, allocations: 294.2 kB / 1.045 GB, free: 331.2 MB / 0.7637 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009313/1.786, allocations: 264.4 kB / 1.045 GB, free: 331.2 MB / 0.7637 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004888/1.791, allocations: 1.839 MB / 1.047 GB, free: 331.1 MB / 0.7637 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.624e-05/1.791, allocations: 11.75 kB / 1.047 GB, free: 331.1 MB / 0.7637 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.696e-06/1.791, allocations: 0 / 1.047 GB, free: 331.1 MB / 0.7637 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.534e-05/1.791, allocations: 10.02 kB / 1.047 GB, free: 331.1 MB / 0.7637 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.009425/1.801, allocations: 4.493 MB / 1.051 GB, free: 329.4 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.392e-05/1.801, allocations: 6.922 kB / 1.051 GB, free: 329.4 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001832/1.803, allocations: 307.8 kB / 1.052 GB, free: 329.4 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.237e-05/1.803, allocations: 10.72 kB / 1.052 GB, free: 329.4 MB / 0.7637 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001026/1.803, allocations: 29.89 kB / 1.052 GB, free: 329.4 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0007724/1.804, allocations: 2.378 MB / 1.054 GB, free: 327 MB / 0.7637 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.23e-05/1.804, allocations: 6.562 kB / 1.054 GB, free: 327 MB / 0.7637 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00457/1.808, allocations: 1.974 MB / 1.056 GB, free: 326.2 MB / 0.7637 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001234/1.809, allocations: 0.5288 MB / 1.056 GB, free: 325.9 MB / 0.7637 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000469/1.81, allocations: 23.88 kB / 1.056 GB, free: 325.9 MB / 0.7637 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002315/1.812, allocations: 193.1 kB / 1.057 GB, free: 325.9 MB / 0.7637 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001608/1.812, allocations: 83.47 kB / 1.057 GB, free: 325.8 MB / 0.7637 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001397/1.813, allocations: 60.2 kB / 1.057 GB, free: 325.8 MB / 0.7637 GB Notification: Performance of sorting global known variables: time 0.002681/1.815, allocations: 1.748 MB / 1.058 GB, free: 325.2 MB / 0.7637 GB Notification: Performance of sort global known variables: time 2.21e-07/1.815, allocations: 6.109 kB / 1.058 GB, free: 325.2 MB / 0.7637 GB Notification: Performance of remove unused functions: time 0.003179/1.819, allocations: 1.288 MB / 1.06 GB, free: 325.1 MB / 0.7637 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 25 * 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 (110): * Single equations (assignments): 106 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 4 * 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): 4 systems {1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0007331/1.819, allocations: 378.4 kB / 1.06 GB, free: 324.9 MB / 0.7637 GB Notification: Performance of simCode: created initialization part: time 0.008546/1.828, allocations: 3.807 MB / 1.064 GB, free: 323.7 MB / 0.7637 GB Notification: Performance of simCode: created event and clocks part: time 1.053e-05/1.828, allocations: 1.422 kB / 1.064 GB, free: 323.7 MB / 0.7637 GB Notification: Performance of simCode: created simulation system equations: time 0.00181/1.83, allocations: 0.8023 MB / 1.065 GB, free: 323.5 MB / 0.7637 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005598/1.835, allocations: 1.205 MB / 1.066 GB, free: 323.1 MB / 0.7637 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007013/1.842, allocations: 4.416 MB / 1.07 GB, free: 320.6 MB / 0.7637 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009046/1.843, allocations: 1.678 MB / 1.072 GB, free: 318.9 MB / 0.7637 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009629/1.844, allocations: 216.7 kB / 1.072 GB, free: 318.7 MB / 0.7637 GB Notification: Performance of SimCode: time 8.72e-07/1.844, allocations: 4 kB / 1.072 GB, free: 318.7 MB / 0.7637 GB Notification: Performance of Templates: time 0.07155/1.916, allocations: 85.98 MB / 1.156 GB, free: 233.2 MB / 0.7637 GB make -j1 -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger.makefile (rm -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger.sim & ./BuildSysPro_BuildSysPro.IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger.pipe 2>&1)