Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.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.Examples.Performance.PressureDrop.SeriesFlowOptimised,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_Examples_Performance_PressureDrop_SeriesFlowOptimised",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_Examples_Performance_PressureDrop_SeriesFlowOptimised",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 0.001191/0.001191, allocations: 100.8 kB / 16.27 MB, free: 5.93 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001175/0.001174, allocations: 189.6 kB / 17.2 MB, free: 5.574 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.256/1.256, allocations: 222.9 MB / 240.9 MB, free: 15.22 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7416/0.7416, allocations: 122.9 MB / 413.9 MB, free: 15.83 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001295/0.001295, allocations: 71.89 kB / 0.4912 GB, free: 7.328 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3459/0.3472, allocations: 77.92 MB / 0.5673 GB, free: 32.65 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised): time 0.1639/0.5111, allocations: 161.6 MB / 0.7251 GB, free: 8.691 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.003261/0.5144, allocations: 1.774 MB / 0.7268 GB, free: 6.914 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0004413/0.5149, allocations: 11.88 kB / 0.7268 GB, free: 6.902 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.0006744/0.5156, allocations: 162.9 kB / 0.727 GB, free: 6.742 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.001625/0.5173, allocations: 0.525 MB / 0.7275 GB, free: 6.215 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.001296/0.5186, allocations: 405 kB / 0.7279 GB, free: 5.828 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.003046/0.5216, allocations: 2.516 MB / 0.7303 GB, free: 3.305 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001303/0.523, allocations: 0.9294 MB / 0.7312 GB, free: 2.359 MB / 0.5606 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001948/0.5249, allocations: 1.016 MB / 0.7322 GB, free: 1.34 MB / 0.5606 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00113/0.5261, allocations: 0.7078 MB / 0.7329 GB, free: 0.6289 MB / 0.5606 GB Notification: Performance of NFPackage.collectConstants: time 0.0001315/0.5262, allocations: 56 kB / 0.733 GB, free: 0.5742 MB / 0.5606 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001521/0.5278, allocations: 0.7445 MB / 0.7337 GB, free: 15.83 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.0003303/0.5281, allocations: 310.9 kB / 0.734 GB, free: 15.52 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.0007573/0.5289, allocations: 0.5363 MB / 0.7345 GB, free: 14.98 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.001793/0.5307, allocations: 1.382 MB / 0.7359 GB, free: 13.6 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 5.52e-06/0.5307, allocations: 0 / 0.7359 GB, free: 13.6 MB / 0.5762 GB Notification: Performance of FrontEnd: time 1.713e-06/0.5307, allocations: 0 / 0.7359 GB, free: 13.6 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 2.097e-05/0.5307, allocations: 0 / 0.7359 GB, free: 13.6 MB / 0.5762 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 126 * Number of variables: 126 Notification: Performance of Generate backend data structure: time 0.002293/0.533, allocations: 1.454 MB / 0.7373 GB, free: 12.08 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 4.144e-05/0.5331, allocations: 8.625 kB / 0.7373 GB, free: 12.07 MB / 0.5762 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000115/0.5332, allocations: 94.52 kB / 0.7374 GB, free: 11.97 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007846/0.534, allocations: 194.4 kB / 0.7376 GB, free: 11.78 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001181/0.5352, allocations: 0.7944 MB / 0.7384 GB, free: 10.93 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.622e-05/0.5352, allocations: 49 kB / 0.7384 GB, free: 10.88 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.766e-05/0.5353, allocations: 63.94 kB / 0.7385 GB, free: 10.82 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001144/0.5365, allocations: 0.7888 MB / 0.7392 GB, free: 9.949 MB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.676e-05/0.5365, allocations: 4 kB / 0.7392 GB, free: 9.945 MB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.648e-05/0.5366, allocations: 20 kB / 0.7393 GB, free: 9.926 MB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.736e-05/0.5366, allocations: 16 kB / 0.7393 GB, free: 9.91 MB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008739/0.5375, allocations: 0.5266 MB / 0.7398 GB, free: 9.387 MB / 0.5762 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 0.004039/0.5415, allocations: 4.614 MB / 0.7443 GB, free: 4.387 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007171/0.5422, allocations: 414.3 kB / 0.7447 GB, free: 3.973 MB / 0.5762 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003728/0.5426, allocations: 241.6 kB / 0.7449 GB, free: 3.734 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000308/0.543, allocations: 198.2 kB / 0.7451 GB, free: 3.504 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004929/0.5435, allocations: 293 kB / 0.7454 GB, free: 3.199 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=31): time 2.665e-06/0.5435, allocations: 0 / 0.7454 GB, free: 3.199 MB / 0.5762 GB Notification: Performance of matching and sorting (n=31): time 0.001459/0.5449, allocations: 0.6342 MB / 0.746 GB, free: 2.559 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.941e-05/0.545, allocations: 81.11 kB / 0.7461 GB, free: 2.461 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001365/0.5464, allocations: 1.118 MB / 0.7472 GB, free: 1.324 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 4.771e-05/0.5464, allocations: 33.7 kB / 0.7472 GB, free: 1.285 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.000404/0.5469, allocations: 488.1 kB / 0.7477 GB, free: 0.8047 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001053/0.547, allocations: 114.5 kB / 0.7478 GB, free: 0.6914 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001616/0.5471, allocations: 117.9 kB / 0.7479 GB, free: 0.5703 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 0.0001222/0.5473, allocations: 325.9 kB / 0.7482 GB, free: 252 kB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003788/0.5477, allocations: 214.4 kB / 0.7484 GB, free: 36 kB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.2491/0.7967, allocations: 0.5139 MB / 0.7489 GB, free: 171.7 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000898/0.7977, allocations: 0.6365 MB / 0.7495 GB, free: 171.4 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.52e-06/0.7977, allocations: 1.594 kB / 0.7495 GB, free: 171.4 MB / 0.5762 GB Notification: Performance of matching and sorting (n=54) (initialization): time 0.001343/0.7991, allocations: 0.7171 MB / 0.7502 GB, free: 171.3 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 3.57e-05/0.7991, allocations: 36.42 kB / 0.7503 GB, free: 171.2 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.241e-05/0.7991, allocations: 10.31 kB / 0.7503 GB, free: 171.2 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.328e-05/0.7991, allocations: 7.625 kB / 0.7503 GB, free: 171.2 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004375/0.7996, allocations: 107.2 kB / 0.7504 GB, free: 171.2 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.598e-05/0.7996, allocations: 13.06 kB / 0.7504 GB, free: 171.2 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006091/0.8002, allocations: 76.66 kB / 0.7505 GB, free: 171.2 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.407e-05/0.8003, allocations: 25.48 kB / 0.7505 GB, free: 171.2 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0007309/0.801, allocations: 0.4966 MB / 0.751 GB, free: 171 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004699/0.8015, allocations: 497.8 kB / 0.7515 GB, free: 170.6 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.000682/0.8022, allocations: 0.5497 MB / 0.752 GB, free: 170.2 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.827e-06/0.8022, allocations: 2.406 kB / 0.752 GB, free: 170.2 MB / 0.5762 GB Notification: Performance of matching and sorting (n=54) (initialization_lambda0): time 0.001017/0.8032, allocations: 0.6498 MB / 0.7526 GB, free: 170 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 2.491e-05/0.8033, allocations: 35.2 kB / 0.7527 GB, free: 170 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.024e-06/0.8033, allocations: 5.125 kB / 0.7527 GB, free: 170 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.323e-05/0.8033, allocations: 8.594 kB / 0.7527 GB, free: 170 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003684/0.8037, allocations: 105.2 kB / 0.7528 GB, free: 170 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.111e-05/0.8037, allocations: 14.31 kB / 0.7528 GB, free: 170 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005632/0.8043, allocations: 67.61 kB / 0.7529 GB, free: 170 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.254e-05/0.8043, allocations: 24.31 kB / 0.7529 GB, free: 170 MB / 0.5762 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 (53): * Single equations (assignments): 52 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.000138/0.8045, allocations: 224.3 kB / 0.7531 GB, free: 169.8 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001171/0.8046, allocations: 99.08 kB / 0.7532 GB, free: 169.7 MB / 0.5762 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008806/0.8055, allocations: 0.4894 MB / 0.7537 GB, free: 169.5 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.402e-06/0.8055, allocations: 7.125 kB / 0.7537 GB, free: 169.5 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.531e-06/0.8055, allocations: 1.922 kB / 0.7537 GB, free: 169.5 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.069e-06/0.8055, allocations: 1.219 kB / 0.7537 GB, free: 169.5 MB / 0.5762 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001979/0.8075, allocations: 1.382 MB / 0.755 GB, free: 168.8 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.298e-06/0.8075, allocations: 3.438 kB / 0.755 GB, free: 168.8 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002702/0.8078, allocations: 67.16 kB / 0.7551 GB, free: 168.8 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 7.714e-06/0.8078, allocations: 3.219 kB / 0.7551 GB, free: 168.8 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.335e-05/0.8078, allocations: 11.89 kB / 0.7551 GB, free: 168.8 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.932e-06/0.8078, allocations: 4.078 kB / 0.7551 GB, free: 168.8 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.709e-06/0.8078, allocations: 2.344 kB / 0.7551 GB, free: 168.8 MB / 0.5762 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000749/0.8086, allocations: 0.6062 MB / 0.7557 GB, free: 168.5 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000215/0.8088, allocations: 218.4 kB / 0.7559 GB, free: 168.3 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001045/0.8089, allocations: 8.141 kB / 0.7559 GB, free: 168.3 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003718/0.8093, allocations: 20.75 kB / 0.7559 GB, free: 168.3 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.834e-05/0.8094, allocations: 27.81 kB / 0.756 GB, free: 168.3 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.184e-05/0.8094, allocations: 14.5 kB / 0.756 GB, free: 168.3 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.0008919/0.8103, allocations: 0.7948 MB / 0.7568 GB, free: 168 MB / 0.5762 GB Notification: Performance of sort global known variables: time 1.3e-07/0.8103, allocations: 3.938 kB / 0.7568 GB, free: 168 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.0009995/0.8113, allocations: 405.3 kB / 0.7572 GB, free: 168 MB / 0.5762 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 (31): * Single equations (assignments): 29 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.001128/0.8125, allocations: 1.224 MB / 0.7583 GB, free: 167.1 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.001294/0.8138, allocations: 0.8615 MB / 0.7592 GB, free: 166.8 MB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 3.386e-06/0.8138, allocations: 2.031 kB / 0.7592 GB, free: 166.8 MB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.0003388/0.8141, allocations: 202.6 kB / 0.7594 GB, free: 166.7 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001777/0.8159, allocations: 453.2 kB / 0.7598 GB, free: 166.6 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.009155/0.8251, allocations: 8.558 MB / 0.7682 GB, free: 162.3 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004745/0.8256, allocations: 1.174 MB / 0.7693 GB, free: 161.4 MB / 0.5762 GB Notification: Performance of simCode: alias equations: time 0.001034/0.8266, allocations: 401.7 kB / 0.7697 GB, free: 161.2 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003151/0.827, allocations: 326 kB / 0.77 GB, free: 161 MB / 0.5762 GB Notification: Performance of SimCode: time 7.12e-07/0.827, allocations: 1.125 kB / 0.77 GB, free: 161 MB / 0.5762 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.04016/0.8671, allocations: 25.88 MB / 0.7953 GB, free: 139 MB / 0.5762 GB Notification: Performance of buildModelFMU: Generate platform static: time 7.874/8.741, allocations: 4.062 kB / 0.7953 GB, free: 139 MB / 0.5762 GB (rm -f IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.sim & python3 -m fmpy simulate --output-file IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 IBPSA_latest_IBPSA_Fluid_Examples_Performance_PressureDrop_SeriesFlowOptimised.fmu > IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe 2>&1)