Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.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/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.Examples.Performance.PressureDrop.SeriesFlowOptimised,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_Examples_Performance_PressureDrop_SeriesFlowOptimised",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised,fileNamePrefix="IDEAS_dev_IDEAS_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 0.001372/0.001372, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001305/0.001305, allocations: 192.9 kB / 16.53 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.285/1.285, allocations: 222.9 MB / 240.2 MB, free: 4.398 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.9023/0.9023, allocations: 135.1 MB / 425.5 MB, free: 11.96 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001268/0.001268, allocations: 60.47 kB / 0.5054 GB, free: 5.215 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1305/0.1318, allocations: 80.92 MB / 0.5845 GB, free: 4.457 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised): time 0.3663/0.4981, allocations: 161.6 MB / 0.7423 GB, free: 7.73 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.002816/0.501, allocations: 1.756 MB / 0.744 GB, free: 6.371 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002182/0.5012, allocations: 9.656 kB / 0.744 GB, free: 6.367 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.0005317/0.5018, allocations: 166.4 kB / 0.7442 GB, free: 6.23 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.001173/0.503, allocations: 0.5185 MB / 0.7447 GB, free: 5.836 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.0009384/0.5039, allocations: 395.5 kB / 0.7451 GB, free: 5.559 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.002413/0.5063, allocations: 2.522 MB / 0.7475 GB, free: 4.188 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001072/0.5074, allocations: 0.9313 MB / 0.7484 GB, free: 3.668 MB / 0.5606 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001401/0.5088, allocations: 1.023 MB / 0.7494 GB, free: 3.141 MB / 0.5606 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0007298/0.5096, allocations: 0.7106 MB / 0.7501 GB, free: 2.734 MB / 0.5606 GB Notification: Performance of NFPackage.collectConstants: time 0.0001086/0.5097, allocations: 55.69 kB / 0.7502 GB, free: 2.734 MB / 0.5606 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001285/0.511, allocations: 0.7377 MB / 0.7509 GB, free: 2.34 MB / 0.5606 GB Notification: Performance of NFScalarize.scalarize: time 0.0002628/0.5112, allocations: 295.1 kB / 0.7512 GB, free: 2.145 MB / 0.5606 GB Notification: Performance of NFVerifyModel.verify: time 0.0005469/0.5118, allocations: 0.5483 MB / 0.7517 GB, free: 1.676 MB / 0.5606 GB Notification: Performance of NFConvertDAE.convert: time 0.001333/0.5131, allocations: 1.386 MB / 0.7531 GB, free: 292 kB / 0.5606 GB Notification: Performance of FrontEnd - DAE generated: time 3.216e-06/0.5132, allocations: 0 / 0.7531 GB, free: 292 kB / 0.5606 GB Notification: Performance of FrontEnd: time 1.122e-06/0.5132, allocations: 0 / 0.7531 GB, free: 292 kB / 0.5606 GB Notification: Performance of Transformations before backend: time 1.408e-05/0.5132, allocations: 0 / 0.7531 GB, free: 292 kB / 0.5606 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 0.002002/0.5152, allocations: 1.454 MB / 0.7545 GB, free: 14.77 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 3.521e-05/0.5152, allocations: 8.031 kB / 0.7545 GB, free: 14.77 MB / 0.5762 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 9.976e-05/0.5153, allocations: 98.45 kB / 0.7546 GB, free: 14.66 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007033/0.516, allocations: 186.5 kB / 0.7548 GB, free: 14.48 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001036/0.5171, allocations: 0.7983 MB / 0.7555 GB, free: 13.62 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.827e-05/0.5171, allocations: 41 kB / 0.7556 GB, free: 13.58 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.838e-05/0.5172, allocations: 64 kB / 0.7556 GB, free: 13.52 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00106/0.5183, allocations: 0.7888 MB / 0.7564 GB, free: 12.66 MB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.551e-05/0.5183, allocations: 3.938 kB / 0.7564 GB, free: 12.65 MB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.819e-05/0.5184, allocations: 24 kB / 0.7564 GB, free: 12.63 MB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.333e-05/0.5184, allocations: 15.98 kB / 0.7565 GB, free: 12.61 MB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008675/0.5193, allocations: 0.5305 MB / 0.757 GB, free: 12.09 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 0.003476/0.5228, allocations: 4.61 MB / 0.7615 GB, free: 7.09 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006741/0.5234, allocations: 418.2 kB / 0.7619 GB, free: 6.672 MB / 0.5762 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003656/0.5238, allocations: 254.4 kB / 0.7621 GB, free: 6.422 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002712/0.5241, allocations: 194.2 kB / 0.7623 GB, free: 6.195 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004532/0.5246, allocations: 294.9 kB / 0.7626 GB, free: 5.891 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=31): time 1.763e-06/0.5246, allocations: 4.219 kB / 0.7626 GB, free: 5.887 MB / 0.5762 GB Notification: Performance of matching and sorting (n=31): time 0.001258/0.5258, allocations: 0.6353 MB / 0.7632 GB, free: 5.246 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.76e-05/0.5259, allocations: 85.05 kB / 0.7633 GB, free: 5.145 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001197/0.5271, allocations: 1.118 MB / 0.7644 GB, free: 4.008 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 4.189e-05/0.5272, allocations: 33.7 kB / 0.7644 GB, free: 3.969 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003593/0.5275, allocations: 495 kB / 0.7649 GB, free: 3.484 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 8.385e-05/0.5276, allocations: 110.5 kB / 0.765 GB, free: 3.375 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001497/0.5278, allocations: 114 kB / 0.7651 GB, free: 3.258 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 9.337e-05/0.5279, allocations: 326 kB / 0.7654 GB, free: 2.934 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003645/0.5282, allocations: 214.4 kB / 0.7656 GB, free: 2.719 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005618/0.5288, allocations: 0.5175 MB / 0.7661 GB, free: 2.066 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008359/0.5297, allocations: 0.6378 MB / 0.7667 GB, free: 1.355 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.457e-06/0.5297, allocations: 0 / 0.7667 GB, free: 1.355 MB / 0.5762 GB Notification: Performance of matching and sorting (n=54) (initialization): time 0.001231/0.5309, allocations: 0.7213 MB / 0.7674 GB, free: 0.6211 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 4.615e-05/0.531, allocations: 33.7 kB / 0.7675 GB, free: 0.582 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.358e-05/0.531, allocations: 8 kB / 0.7675 GB, free: 0.5742 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.466e-05/0.531, allocations: 8 kB / 0.7675 GB, free: 0.5664 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004456/0.5315, allocations: 107.8 kB / 0.7676 GB, free: 472 kB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.609e-05/0.5315, allocations: 8 kB / 0.7676 GB, free: 464 kB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006735/0.5322, allocations: 87.61 kB / 0.7677 GB, free: 376 kB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.814e-05/0.5322, allocations: 24 kB / 0.7677 GB, free: 352 kB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00073/0.533, allocations: 0.4928 MB / 0.7682 GB, free: 15.84 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0005168/0.5335, allocations: 496.5 kB / 0.7687 GB, free: 15.23 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0007096/0.5342, allocations: 0.5565 MB / 0.7692 GB, free: 14.59 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.515e-06/0.5342, allocations: 0 / 0.7692 GB, free: 14.59 MB / 0.5919 GB Notification: Performance of matching and sorting (n=54) (initialization_lambda0): time 0.001027/0.5353, allocations: 0.6507 MB / 0.7698 GB, free: 13.93 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 3.252e-05/0.5353, allocations: 37.8 kB / 0.7699 GB, free: 13.88 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.871e-06/0.5353, allocations: 4 kB / 0.7699 GB, free: 13.88 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 9.638e-06/0.5353, allocations: 11.98 kB / 0.7699 GB, free: 13.87 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003597/0.5357, allocations: 103.8 kB / 0.77 GB, free: 13.77 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.746e-06/0.5357, allocations: 8 kB / 0.77 GB, free: 13.76 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005846/0.5363, allocations: 68.06 kB / 0.7701 GB, free: 13.69 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.175e-05/0.5364, allocations: 23.94 kB / 0.7701 GB, free: 13.67 MB / 0.5919 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 0.0001745/0.5365, allocations: 224.1 kB / 0.7703 GB, free: 13.44 MB / 0.5919 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001172/0.5367, allocations: 94.78 kB / 0.7704 GB, free: 13.35 MB / 0.5919 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008848/0.5376, allocations: 0.4902 MB / 0.7709 GB, free: 12.85 MB / 0.5919 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.081e-06/0.5376, allocations: 11.94 kB / 0.7709 GB, free: 12.84 MB / 0.5919 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.67e-06/0.5376, allocations: 3.938 kB / 0.7709 GB, free: 12.84 MB / 0.5919 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.203e-06/0.5376, allocations: 7.922 kB / 0.7709 GB, free: 12.83 MB / 0.5919 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001858/0.5395, allocations: 1.379 MB / 0.7722 GB, free: 11.38 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.396e-06/0.5395, allocations: 0 / 0.7722 GB, free: 11.38 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002544/0.5397, allocations: 63.89 kB / 0.7723 GB, free: 11.31 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.152e-06/0.5398, allocations: 4 kB / 0.7723 GB, free: 11.31 MB / 0.5919 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.262e-05/0.5398, allocations: 9.625 kB / 0.7723 GB, free: 11.3 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 6.151e-06/0.5398, allocations: 4 kB / 0.7723 GB, free: 11.3 MB / 0.5919 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.174e-06/0.5398, allocations: 3.938 kB / 0.7723 GB, free: 11.29 MB / 0.5919 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0007948/0.5406, allocations: 0.6025 MB / 0.7729 GB, free: 10.65 MB / 0.5919 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002701/0.5409, allocations: 215.8 kB / 0.7731 GB, free: 10.42 MB / 0.5919 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001075/0.541, allocations: 15.92 kB / 0.7731 GB, free: 10.41 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003869/0.5414, allocations: 19.98 kB / 0.7732 GB, free: 10.39 MB / 0.5919 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.229e-05/0.5415, allocations: 23.97 kB / 0.7732 GB, free: 10.36 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.476e-05/0.5415, allocations: 15.98 kB / 0.7732 GB, free: 10.35 MB / 0.5919 GB Notification: Performance of sorting global known variables: time 0.000907/0.5424, allocations: 0.7914 MB / 0.774 GB, free: 9.547 MB / 0.5919 GB Notification: Performance of sort global known variables: time 1.3e-07/0.5424, allocations: 0 / 0.774 GB, free: 9.547 MB / 0.5919 GB Notification: Performance of remove unused functions: time 0.001074/0.5435, allocations: 411.4 kB / 0.7744 GB, free: 9.145 MB / 0.5919 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 0.001333/0.5449, allocations: 1.218 MB / 0.7755 GB, free: 7.891 MB / 0.5919 GB Notification: Performance of simCode: created initialization part: time 0.001367/0.5462, allocations: 0.8461 MB / 0.7764 GB, free: 7.023 MB / 0.5919 GB Notification: Performance of simCode: created event and clocks part: time 2.234e-06/0.5462, allocations: 64 / 0.7764 GB, free: 7.023 MB / 0.5919 GB Notification: Performance of simCode: created simulation system equations: time 0.0003682/0.5466, allocations: 218.8 kB / 0.7766 GB, free: 6.812 MB / 0.5919 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00182/0.5485, allocations: 454.7 kB / 0.777 GB, free: 6.395 MB / 0.5919 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01011/0.5586, allocations: 8.552 MB / 0.7854 GB, free: 13.42 MB / 0.6075 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006653/0.5593, allocations: 1.173 MB / 0.7865 GB, free: 12.21 MB / 0.6075 GB Notification: Performance of simCode: alias equations: time 0.001042/0.5603, allocations: 407.6 kB / 0.7869 GB, free: 11.81 MB / 0.6075 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004032/0.5607, allocations: 323.3 kB / 0.7872 GB, free: 11.5 MB / 0.6075 GB Notification: Performance of SimCode: time 5.41e-07/0.5607, allocations: 3.938 kB / 0.7872 GB, free: 11.5 MB / 0.6075 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 3.326/3.886, allocations: 25.87 MB / 0.8125 GB, free: 1.965 MB / 0.6231 GB Notification: Performance of buildModelFMU: Generate platform static: time 9.347/13.23, allocations: 0 / 0.8125 GB, free: 1.965 MB / 0.6231 GB (rm -f IDEAS_dev_IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IDEAS_dev_IDEAS_Fluid_Examples_Performance_PressureDrop_SeriesFlowOptimised_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 IDEAS_dev_IDEAS_Fluid_Examples_Performance_PressureDrop_SeriesFlowOptimised.fmu > IDEAS_dev_IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe 2>&1)