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 0.001579/0.001579, allocations: 115.3 kB / 15.34 MB, free: 0.5156 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002526/0.002525, allocations: 190.9 kB / 16.25 MB, free: 6.633 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.912/1.912, allocations: 222.9 MB / 239.9 MB, free: 4.508 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 1.564/1.564, allocations: 135.1 MB / 425.2 MB, free: 11.89 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002388/0.002388, allocations: 64.56 kB / 0.505 GB, free: 5.574 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2665/0.2689, allocations: 80.93 MB / 0.584 GB, free: 4.809 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.MassExchangers.Examples.ConstantEffectiveness): time 0.6137/0.8827, allocations: 211.5 MB / 0.7905 GB, free: 9.695 MB / 0.6075 GB Notification: Performance of NFInst.instExpressions: time 0.01669/0.8994, allocations: 7.001 MB / 0.7974 GB, free: 2.672 MB / 0.6075 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002432/0.9019, allocations: 35.75 kB / 0.7974 GB, free: 2.637 MB / 0.6075 GB Notification: Performance of NFTyping.typeComponents: time 0.003115/0.9051, allocations: 0.6918 MB / 0.7981 GB, free: 1.941 MB / 0.6075 GB Notification: Performance of NFTyping.typeBindings: time 0.009288/0.9144, allocations: 2.352 MB / 0.8004 GB, free: 15.58 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.004306/0.9187, allocations: 1.08 MB / 0.8014 GB, free: 14.52 MB / 0.6231 GB Notification: Performance of NFFlatten.flatten: time 0.005359/0.9241, allocations: 2.825 MB / 0.8042 GB, free: 11.69 MB / 0.6231 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002493/0.9266, allocations: 1.077 MB / 0.8052 GB, free: 10.6 MB / 0.6231 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005866/0.9325, allocations: 1.97 MB / 0.8071 GB, free: 8.621 MB / 0.6231 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003123/0.9357, allocations: 0.9869 MB / 0.8081 GB, free: 7.641 MB / 0.6231 GB Notification: Performance of NFPackage.collectConstants: time 0.0004821/0.9362, allocations: 116 kB / 0.8082 GB, free: 7.527 MB / 0.6231 GB Notification: Performance of NFFlatten.collectFunctions: time 0.007173/0.9434, allocations: 2.576 MB / 0.8107 GB, free: 4.945 MB / 0.6231 GB Notification: Performance of NFScalarize.scalarize: time 0.0008901/0.9443, allocations: 426.7 kB / 0.8111 GB, free: 4.527 MB / 0.6231 GB Notification: Performance of NFVerifyModel.verify: time 0.001506/0.9458, allocations: 0.6881 MB / 0.8118 GB, free: 3.836 MB / 0.6231 GB Notification: Performance of NFConvertDAE.convert: time 0.00587/0.9517, allocations: 2.625 MB / 0.8144 GB, free: 1.203 MB / 0.6231 GB Notification: Performance of FrontEnd - DAE generated: time 5.37e-06/0.9517, allocations: 0 / 0.8144 GB, free: 1.203 MB / 0.6231 GB Notification: Performance of FrontEnd: time 1.603e-06/0.9517, allocations: 0 / 0.8144 GB, free: 1.203 MB / 0.6231 GB Notification: Performance of Transformations before backend: time 4.905e-05/0.9518, allocations: 7.938 kB / 0.8144 GB, free: 1.195 MB / 0.6231 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 0.008136/0.9599, allocations: 1.842 MB / 0.8162 GB, free: 15.3 MB / 0.6387 GB Notification: Performance of prepare preOptimizeDAE: time 5.316e-05/0.96, allocations: 12.03 kB / 0.8162 GB, free: 15.29 MB / 0.6387 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0003385/0.9604, allocations: 135.1 kB / 0.8163 GB, free: 15.14 MB / 0.6387 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005937/0.9663, allocations: 0.5369 MB / 0.8169 GB, free: 14.61 MB / 0.6387 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003049/0.9694, allocations: 0.9563 MB / 0.8178 GB, free: 13.61 MB / 0.6387 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001121/0.9705, allocations: 177.9 kB / 0.818 GB, free: 13.43 MB / 0.6387 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002814/0.9708, allocations: 84 kB / 0.818 GB, free: 13.35 MB / 0.6387 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004755/0.9756, allocations: 1.241 MB / 0.8192 GB, free: 12.1 MB / 0.6387 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.049e-05/0.9757, allocations: 0 / 0.8192 GB, free: 12.1 MB / 0.6387 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001927/0.9759, allocations: 32 kB / 0.8193 GB, free: 12.07 MB / 0.6387 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.263e-05/0.976, allocations: 45.98 kB / 0.8193 GB, free: 12.02 MB / 0.6387 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.006495/0.9825, allocations: 1.546 MB / 0.8208 GB, free: 10.48 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 0.01078/0.9933, allocations: 4.063 MB / 0.8248 GB, free: 6.141 MB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00437/0.9977, allocations: 0.9897 MB / 0.8258 GB, free: 5.145 MB / 0.6387 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002551/1, allocations: 0.663 MB / 0.8264 GB, free: 4.48 MB / 0.6387 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001673/1.002, allocations: 0.6125 MB / 0.827 GB, free: 3.754 MB / 0.6387 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.433e-05/1.002, allocations: 47.22 kB / 0.8271 GB, free: 3.699 MB / 0.6387 GB Notification: Performance of pre-optimization done (n=76): time 7.234e-06/1.002, allocations: 0 / 0.8271 GB, free: 3.699 MB / 0.6387 GB Notification: Performance of matching and sorting (n=76): time 0.008146/1.01, allocations: 1.812 MB / 0.8288 GB, free: 1.887 MB / 0.6387 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.694e-05/1.01, allocations: 64.06 kB / 0.8289 GB, free: 1.809 MB / 0.6387 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001757/1.012, allocations: 0.8116 MB / 0.8297 GB, free: 0.9727 MB / 0.6387 GB Notification: Performance of collectPreVariables (initialization): time 0.0001654/1.012, allocations: 45.7 kB / 0.8297 GB, free: 0.9219 MB / 0.6387 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005289/1.013, allocations: 448.4 kB / 0.8302 GB, free: 488 kB / 0.6387 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003477/1.013, allocations: 252.2 kB / 0.8304 GB, free: 232 kB / 0.6387 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005179/1.014, allocations: 154.5 kB / 0.8305 GB, free: 72 kB / 0.6387 GB Notification: Performance of setup shared object (initialization): time 0.0001942/1.014, allocations: 341.9 kB / 0.8309 GB, free: 15.73 MB / 0.6544 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002496/1.016, allocations: 0.5395 MB / 0.8314 GB, free: 15.19 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002611/1.019, allocations: 0.6714 MB / 0.832 GB, free: 14.49 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.004707/1.024, allocations: 1.143 MB / 0.8332 GB, free: 13.32 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.31e-06/1.024, allocations: 4 kB / 0.8332 GB, free: 13.32 MB / 0.6544 GB Notification: Performance of matching and sorting (n=87) (initialization): time 0.005982/1.03, allocations: 1.368 MB / 0.8345 GB, free: 11.94 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 5.674e-05/1.03, allocations: 29.7 kB / 0.8345 GB, free: 11.9 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.066e-05/1.03, allocations: 4 kB / 0.8345 GB, free: 11.9 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.271e-05/1.03, allocations: 4 kB / 0.8345 GB, free: 11.89 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002594/1.033, allocations: 263.7 kB / 0.8348 GB, free: 11.64 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00103/1.034, allocations: 1.192 MB / 0.836 GB, free: 10.4 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002096/1.036, allocations: 179.2 kB / 0.8361 GB, free: 10.22 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001595/1.036, allocations: 35.97 kB / 0.8362 GB, free: 10.19 MB / 0.6544 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.003081/1.039, allocations: 0.7595 MB / 0.8369 GB, free: 9.426 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002754/1.042, allocations: 0.6654 MB / 0.8376 GB, free: 8.727 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.005037/1.047, allocations: 1.14 MB / 0.8387 GB, free: 7.57 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.637e-06/1.047, allocations: 0 / 0.8387 GB, free: 7.57 MB / 0.6544 GB Notification: Performance of matching and sorting (n=87) (initialization_lambda0): time 0.005738/1.053, allocations: 1.364 MB / 0.84 GB, free: 6.191 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 5.261e-05/1.053, allocations: 35.58 kB / 0.84 GB, free: 6.152 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.297e-06/1.053, allocations: 4 kB / 0.84 GB, free: 6.148 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.359e-05/1.053, allocations: 7.984 kB / 0.84 GB, free: 6.141 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002133/1.055, allocations: 231.7 kB / 0.8403 GB, free: 5.914 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.674e-05/1.055, allocations: 8 kB / 0.8403 GB, free: 5.906 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002035/1.057, allocations: 159.4 kB / 0.8404 GB, free: 5.75 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001549/1.057, allocations: 31.98 kB / 0.8405 GB, free: 5.719 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 0.0004345/1.058, allocations: 229.5 kB / 0.8407 GB, free: 5.488 MB / 0.6544 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003919/1.058, allocations: 115.6 kB / 0.8408 GB, free: 5.375 MB / 0.6544 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.006092/1.064, allocations: 1.361 MB / 0.8421 GB, free: 4.008 MB / 0.6544 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.37e-05/1.064, allocations: 8 kB / 0.8421 GB, free: 4 MB / 0.6544 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.588e-06/1.064, allocations: 0 / 0.8421 GB, free: 4 MB / 0.6544 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.426e-05/1.064, allocations: 3.984 kB / 0.8421 GB, free: 3.996 MB / 0.6544 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.009772/1.074, allocations: 2.855 MB / 0.8449 GB, free: 1.043 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.598e-05/1.074, allocations: 7.938 kB / 0.8449 GB, free: 1.035 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002248/1.076, allocations: 226.3 kB / 0.8451 GB, free: 0.8164 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.989e-05/1.076, allocations: 12 kB / 0.8451 GB, free: 0.8047 MB / 0.6544 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001213/1.076, allocations: 23.98 kB / 0.8452 GB, free: 0.7812 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0009284/1.077, allocations: 1.191 MB / 0.8463 GB, free: 15.54 MB / 0.67 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.07e-05/1.077, allocations: 7.938 kB / 0.8463 GB, free: 15.54 MB / 0.67 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005966/1.083, allocations: 1.463 MB / 0.8478 GB, free: 14.01 MB / 0.67 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0008976/1.084, allocations: 315.4 kB / 0.8481 GB, free: 13.68 MB / 0.67 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003195/1.085, allocations: 23.94 kB / 0.8481 GB, free: 13.66 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002261/1.087, allocations: 139.8 kB / 0.8482 GB, free: 13.52 MB / 0.67 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000227/1.087, allocations: 60.44 kB / 0.8483 GB, free: 13.46 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001524/1.087, allocations: 43.91 kB / 0.8483 GB, free: 13.42 MB / 0.67 GB Notification: Performance of sorting global known variables: time 0.001376/1.089, allocations: 0.57 MB / 0.8489 GB, free: 12.84 MB / 0.67 GB Notification: Performance of sort global known variables: time 3.3e-07/1.089, allocations: 0 / 0.8489 GB, free: 12.84 MB / 0.67 GB Notification: Performance of remove unused functions: time 0.002542/1.091, allocations: 0.5302 MB / 0.8494 GB, free: 12.3 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 0.007196/1.098, allocations: 2.181 MB / 0.8515 GB, free: 10.07 MB / 0.67 GB Notification: Performance of simCode: created initialization part: time 0.009603/1.108, allocations: 2.151 MB / 0.8536 GB, free: 7.898 MB / 0.67 GB Notification: Performance of simCode: created event and clocks part: time 9.128e-06/1.108, allocations: 0 / 0.8536 GB, free: 7.898 MB / 0.67 GB Notification: Performance of simCode: created simulation system equations: time 0.003042/1.111, allocations: 0.6715 MB / 0.8543 GB, free: 7.227 MB / 0.67 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004425/1.116, allocations: 0.4983 MB / 0.8548 GB, free: 6.746 MB / 0.67 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.3921/1.508, allocations: 9.455 MB / 0.864 GB, free: 219.8 MB / 0.67 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006575/1.509, allocations: 1.096 MB / 0.8651 GB, free: 219.1 MB / 0.67 GB Notification: Performance of simCode: alias equations: time 0.002697/1.511, allocations: 386.7 kB / 0.8654 GB, free: 219.1 MB / 0.67 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008428/1.512, allocations: 392.5 kB / 0.8658 GB, free: 219.1 MB / 0.67 GB Notification: Performance of SimCode: time 1.002e-06/1.512, allocations: 0 / 0.8658 GB, free: 219.1 MB / 0.67 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 1.383/2.895, allocations: 28.2 MB / 0.8934 GB, free: 217.3 MB / 0.67 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002363/2.895, allocations: 279.7 kB / 0.8936 GB, free: 216.9 MB / 0.67 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.895/6.79, allocations: 4.75 kB / 0.8936 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 & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IDEAS_dev_IDEAS_Fluid_MassExchangers_Examples_ConstantEffectiveness_fmu --startTime=0 --stopTime=360 --timeout=50 --tolerance=1e-06 IDEAS_dev_IDEAS_Fluid_MassExchangers_Examples_ConstantEffectiveness.fmu > IDEAS_dev_IDEAS.Fluid.MassExchangers.Examples.ConstantEffectiveness.pipe 2>&1)