Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised.conf.json 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/IBPSA 4.0.0-master/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/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/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 IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/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) Running command: translateModel(IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised") translateModel(IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001688/0.001688, allocations: 186.6 kB / 16.63 MB, free: 5.117 MB / 13.93 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.5002/0.5002, allocations: 87.5 MB / 104.9 MB, free: 13.02 MB / 90.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.41/1.41, allocations: 222.9 MB / 349.1 MB, free: 2.77 MB / 282.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001013/0.001013, allocations: 106.3 kB / 420 MB, free: 8.512 MB / 314.7 MB Notification: Performance of FrontEnd - loaded program: time 0.001949/0.001949, allocations: 59.92 kB / 0.4891 GB, free: 7.707 MB / 394.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3551/0.3571, allocations: 70.06 MB / 0.5575 GB, free: 44.7 MB / 410.7 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised): time 0.4574/0.8145, allocations: 159.3 MB / 0.7131 GB, free: 1.75 MB / 0.5105 GB Notification: Performance of NFInst.instExpressions: time 0.004273/0.8189, allocations: 3.632 MB / 0.7167 GB, free: 1.691 MB / 0.5105 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0003116/0.8192, allocations: 11.44 kB / 0.7167 GB, free: 1.691 MB / 0.5105 GB Notification: Performance of NFTyping.typeComponents: time 0.000511/0.8197, allocations: 132.2 kB / 0.7168 GB, free: 1.691 MB / 0.5105 GB Notification: Performance of NFTyping.typeBindings: time 0.001602/0.8214, allocations: 0.4962 MB / 0.7173 GB, free: 1.664 MB / 0.5105 GB Notification: Performance of NFTyping.typeClassSections: time 0.00127/0.8226, allocations: 393.3 kB / 0.7176 GB, free: 1.648 MB / 0.5105 GB Notification: Performance of NFFlatten.flatten: time 0.003118/0.8258, allocations: 3.501 MB / 0.7211 GB, free: 1.645 MB / 0.5105 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0009492/0.8267, allocations: 0.7686 MB / 0.7218 GB, free: 1.516 MB / 0.5105 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001717/0.8285, allocations: 0.9266 MB / 0.7227 GB, free: 1.512 MB / 0.5105 GB Notification: Performance of NFSimplifyModel.simplify: time 0.000909/0.8294, allocations: 0.7254 MB / 0.7234 GB, free: 1.512 MB / 0.5105 GB Notification: Performance of NFPackage.collectConstants: time 9.529e-05/0.8295, allocations: 42.28 kB / 0.7235 GB, free: 1.508 MB / 0.5105 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001733/0.8312, allocations: 0.8068 MB / 0.7243 GB, free: 1.5 MB / 0.5105 GB Notification: Performance of NFScalarize.scalarize: time 0.0003032/0.8315, allocations: 282.1 kB / 0.7245 GB, free: 1.5 MB / 0.5105 GB Notification: Performance of NFVerifyModel.verify: time 0.0006953/0.8322, allocations: 0.5166 MB / 0.725 GB, free: 1.5 MB / 0.5105 GB Notification: Performance of NFConvertDAE.convert: time 0.001546/0.8338, allocations: 1.386 MB / 0.7264 GB, free: 1.398 MB / 0.5105 GB Notification: Performance of FrontEnd - DAE generated: time 5.651e-06/0.8338, allocations: 0 / 0.7264 GB, free: 1.398 MB / 0.5105 GB Notification: Performance of FrontEnd: time 9.61e-07/0.8338, allocations: 2.625 kB / 0.7264 GB, free: 1.398 MB / 0.5105 GB Notification: Performance of Transformations before backend: time 1.214e-05/0.8338, allocations: 0 / 0.7264 GB, free: 1.398 MB / 0.5105 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 125 * Number of variables: 125 Notification: Performance of Generate backend data structure: time 0.002237/0.8361, allocations: 1.453 MB / 0.7278 GB, free: 16.55 MB / 0.5261 GB Notification: Performance of prepare preOptimizeDAE: time 3.853e-05/0.8361, allocations: 8.812 kB / 0.7278 GB, free: 16.55 MB / 0.5261 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007344/0.8369, allocations: 188.8 kB / 0.728 GB, free: 16.49 MB / 0.5261 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001393/0.8383, allocations: 0.7988 MB / 0.7288 GB, free: 16.12 MB / 0.5261 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.317e-05/0.8384, allocations: 59.31 kB / 0.7288 GB, free: 16.11 MB / 0.5261 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001155/0.8385, allocations: 59.03 kB / 0.7289 GB, free: 16.11 MB / 0.5261 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001232/0.8397, allocations: 0.7923 MB / 0.7297 GB, free: 15.88 MB / 0.5261 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.67e-05/0.8398, allocations: 10.27 kB / 0.7297 GB, free: 15.88 MB / 0.5261 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.715e-05/0.8398, allocations: 22.41 kB / 0.7297 GB, free: 15.88 MB / 0.5261 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.149e-05/0.8398, allocations: 13.22 kB / 0.7297 GB, free: 15.88 MB / 0.5261 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008016/0.8406, allocations: 0.5276 MB / 0.7302 GB, free: 15.88 MB / 0.5261 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 0.004039/0.8447, allocations: 4.589 MB / 0.7347 GB, free: 12.42 MB / 0.5261 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00062/0.8453, allocations: 416.8 kB / 0.7351 GB, free: 12.39 MB / 0.5261 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003215/0.8457, allocations: 248.1 kB / 0.7353 GB, free: 12.38 MB / 0.5261 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002807/0.8459, allocations: 196.9 kB / 0.7355 GB, free: 12.19 MB / 0.5261 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004368/0.8464, allocations: 305.6 kB / 0.7358 GB, free: 12.12 MB / 0.5261 GB Notification: Performance of pre-optimization done (n=31): time 2.194e-06/0.8464, allocations: 0 / 0.7358 GB, free: 12.12 MB / 0.5261 GB Notification: Performance of matching and sorting (n=31): time 0.003931/0.8503, allocations: 1.301 MB / 0.7371 GB, free: 11.86 MB / 0.5261 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.669e-05/0.8504, allocations: 86.72 kB / 0.7372 GB, free: 11.76 MB / 0.5261 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00147/0.8519, allocations: 1.117 MB / 0.7383 GB, free: 11.61 MB / 0.5261 GB Notification: Performance of collectPreVariables (initialization): time 5.76e-05/0.852, allocations: 39.17 kB / 0.7383 GB, free: 11.58 MB / 0.5261 GB Notification: Performance of collectInitialEqns (initialization): time 0.000356/0.8523, allocations: 487.2 kB / 0.7388 GB, free: 11.41 MB / 0.5261 GB Notification: Performance of collectInitialBindings (initialization): time 8.145e-05/0.8524, allocations: 117.7 kB / 0.7389 GB, free: 11.34 MB / 0.5261 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001524/0.8526, allocations: 111.9 kB / 0.739 GB, free: 11.31 MB / 0.5261 GB Notification: Performance of setup shared object (initialization): time 0.0001043/0.8527, allocations: 333.5 kB / 0.7393 GB, free: 11 MB / 0.5261 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003299/0.853, allocations: 214.6 kB / 0.7395 GB, free: 10.99 MB / 0.5261 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006208/0.8537, allocations: 0.5153 MB / 0.74 GB, free: 10.64 MB / 0.5261 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008689/0.8545, allocations: 0.6313 MB / 0.7406 GB, free: 10.41 MB / 0.5261 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.24e-06/0.8546, allocations: 2.781 kB / 0.7406 GB, free: 10.41 MB / 0.5261 GB Notification: Performance of matching and sorting (n=54) (initialization): time 0.002112/0.8567, allocations: 1.037 MB / 0.7416 GB, free: 10.25 MB / 0.5261 GB Notification: Performance of prepare postOptimizeDAE: time 3.98e-05/0.8567, allocations: 36.86 kB / 0.7417 GB, free: 10.21 MB / 0.5261 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.156e-05/0.8568, allocations: 7.688 kB / 0.7417 GB, free: 10.21 MB / 0.5261 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001282/0.858, allocations: 362.4 kB / 0.742 GB, free: 10.18 MB / 0.5261 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002087/0.8583, allocations: 57.22 kB / 0.7421 GB, free: 10.18 MB / 0.5261 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0009187/0.8592, allocations: 1.014 MB / 0.7431 GB, free: 9.645 MB / 0.5261 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007767/0.86, allocations: 90.48 kB / 0.7432 GB, free: 9.617 MB / 0.5261 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.019e-05/0.86, allocations: 27.39 kB / 0.7432 GB, free: 9.617 MB / 0.5261 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.000673/0.8607, allocations: 0.4973 MB / 0.7437 GB, free: 9.535 MB / 0.5261 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0005199/0.8613, allocations: 495.9 kB / 0.7441 GB, free: 9.18 MB / 0.5261 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0007108/0.862, allocations: 0.5513 MB / 0.7447 GB, free: 8.945 MB / 0.5261 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.767e-06/0.862, allocations: 3.609 kB / 0.7447 GB, free: 8.945 MB / 0.5261 GB Notification: Performance of matching and sorting (n=54) (initialization_lambda0): time 0.001463/0.8635, allocations: 0.8376 MB / 0.7455 GB, free: 8.797 MB / 0.5261 GB Notification: Performance of prepare postOptimizeDAE: time 2.921e-05/0.8635, allocations: 34.11 kB / 0.7455 GB, free: 8.766 MB / 0.5261 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.43e-06/0.8635, allocations: 5.75 kB / 0.7455 GB, free: 8.766 MB / 0.5261 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004541/0.864, allocations: 211.8 kB / 0.7457 GB, free: 8.75 MB / 0.5261 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001858/0.8642, allocations: 57.84 kB / 0.7458 GB, free: 8.75 MB / 0.5261 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003556/0.8677, allocations: 3.082 MB / 0.7488 GB, free: 7.227 MB / 0.5261 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008693/0.8686, allocations: 92.44 kB / 0.7489 GB, free: 7.207 MB / 0.5261 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.03e-05/0.8687, allocations: 19.25 kB / 0.7489 GB, free: 7.207 MB / 0.5261 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 24 * Number of states: 0 () * Number of discrete variables: 5 (pulse_p.count,$PRE.pulse_p.count,pulse_p.T_start,$PRE.pulse_p.T_start,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (34): * Single equations (assignments): 32 * Array equations: 0 * Algorithm blocks: 1 * 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 {(1,19)} Notification: Performance of prepare postOptimizeDAE: time 0.0002501/0.8689, allocations: 227.5 kB / 0.7491 GB, free: 7.012 MB / 0.5261 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001392/0.8691, allocations: 101.5 kB / 0.7492 GB, free: 6.961 MB / 0.5261 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001265/0.8703, allocations: 0.697 MB / 0.7499 GB, free: 6.863 MB / 0.5261 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.648e-06/0.8704, allocations: 2.812 kB / 0.7499 GB, free: 6.863 MB / 0.5261 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.725e-06/0.8704, allocations: 2.375 kB / 0.7499 GB, free: 6.863 MB / 0.5261 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.721e-06/0.8704, allocations: 3.938 kB / 0.7499 GB, free: 6.859 MB / 0.5261 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002193/0.8726, allocations: 1.611 MB / 0.7515 GB, free: 6.367 MB / 0.5261 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.147e-06/0.8726, allocations: 3.062 kB / 0.7515 GB, free: 6.367 MB / 0.5261 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001016/0.8727, allocations: 16.77 kB / 0.7515 GB, free: 6.367 MB / 0.5261 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004132/0.8731, allocations: 229.6 kB / 0.7517 GB, free: 6.344 MB / 0.5261 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.26e-05/0.8732, allocations: 11.81 kB / 0.7517 GB, free: 6.344 MB / 0.5261 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0007327/0.8739, allocations: 0.9848 MB / 0.7527 GB, free: 5.812 MB / 0.5261 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.557e-06/0.8739, allocations: 2.281 kB / 0.7527 GB, free: 5.812 MB / 0.5261 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001683/0.8756, allocations: 1.773 MB / 0.7544 GB, free: 4.898 MB / 0.5261 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003434/0.876, allocations: 217.9 kB / 0.7546 GB, free: 4.75 MB / 0.5261 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.228e-05/0.8761, allocations: 12.16 kB / 0.7547 GB, free: 4.75 MB / 0.5261 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004586/0.8765, allocations: 47.22 kB / 0.7547 GB, free: 4.742 MB / 0.5261 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.856e-05/0.8766, allocations: 30.53 kB / 0.7547 GB, free: 4.738 MB / 0.5261 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.405e-05/0.8766, allocations: 13.53 kB / 0.7547 GB, free: 4.738 MB / 0.5261 GB Notification: Performance of sorting global known variables: time 0.0008395/0.8775, allocations: 0.7924 MB / 0.7555 GB, free: 4.629 MB / 0.5261 GB Notification: Performance of sort global known variables: time 1.2e-07/0.8775, allocations: 0 / 0.7555 GB, free: 4.629 MB / 0.5261 GB Notification: Performance of remove unused functions: time 0.001321/0.8788, allocations: 443.1 kB / 0.7559 GB, free: 4.594 MB / 0.5261 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 0 () * Number of discrete variables: 3 ($whenCondition1,pulse_p.T_start,pulse_p.count) * Number of discrete states: 1 (pulse_p.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (12): * Single equations (assignments): 9 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * 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 {(1,19)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0003815/0.8792, allocations: 168 kB / 0.7561 GB, free: 4.496 MB / 0.5261 GB Notification: Performance of simCode: created initialization part: time 0.00165/0.8809, allocations: 1.064 MB / 0.7571 GB, free: 4.223 MB / 0.5261 GB Notification: Performance of simCode: created event and clocks part: time 6.993e-06/0.8809, allocations: 6.156 kB / 0.7571 GB, free: 4.219 MB / 0.5261 GB Notification: Performance of simCode: created simulation system equations: time 0.0004365/0.8813, allocations: 231.8 kB / 0.7574 GB, free: 4.219 MB / 0.5261 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001985/0.8833, allocations: 460.6 kB / 0.7578 GB, free: 4.172 MB / 0.5261 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002831/0.8862, allocations: 2.302 MB / 0.76 GB, free: 3.055 MB / 0.5261 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007173/0.8869, allocations: 1.196 MB / 0.7612 GB, free: 2.336 MB / 0.5261 GB Notification: Performance of simCode: alias equations: time 0.0008573/0.8878, allocations: 307.9 kB / 0.7615 GB, free: 2.289 MB / 0.5261 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000107/0.8879, allocations: 57.62 kB / 0.7616 GB, free: 2.281 MB / 0.5261 GB Notification: Performance of SimCode: time 1.212e-06/0.8879, allocations: 0 / 0.7616 GB, free: 2.281 MB / 0.5261 GB Notification: Performance of Templates: time 0.03168/0.9196, allocations: 19.47 MB / 0.7806 GB, free: 3.605 MB / 0.5417 GB make -j1 -f IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised.makefile (rm -f IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised.sim & ./IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised.pipe 2>&1)