Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesDp.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(Buildings.Fluid.Examples.Performance.PressureDrop.SeriesDp,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesDp") translateModel(Buildings.Fluid.Examples.Performance.PressureDrop.SeriesDp,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesDp") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001034/0.001034, 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 0.001061/0.001061, allocations: 192.6 kB / 16.25 MB, free: 6.637 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.382/1.382, allocations: 205.1 MB / 222.1 MB, free: 4.703 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.684/1.684, allocations: 292.3 MB / 0.5485 GB, free: 13.62 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.00158/0.00158, allocations: 75.11 kB / 0.671 GB, free: 26.51 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2973/0.2989, allocations: 114.5 MB / 0.7829 GB, free: 13.91 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.Performance.PressureDrop.SeriesDp): time 0.6356/0.9346, allocations: 159.4 MB / 0.9385 GB, free: 6.074 MB / 0.7325 GB Notification: Performance of NFInst.instExpressions: time 0.005243/0.9398, allocations: 3.591 MB / 0.942 GB, free: 5.988 MB / 0.7325 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0005722/0.9404, allocations: 11.06 kB / 0.942 GB, free: 5.988 MB / 0.7325 GB Notification: Performance of NFTyping.typeComponents: time 0.0007008/0.9412, allocations: 135.2 kB / 0.9422 GB, free: 5.984 MB / 0.7325 GB Notification: Performance of NFTyping.typeBindings: time 0.001599/0.9428, allocations: 0.4963 MB / 0.9426 GB, free: 5.957 MB / 0.7325 GB Notification: Performance of NFTyping.typeClassSections: time 0.001378/0.9442, allocations: 404.5 kB / 0.943 GB, free: 5.938 MB / 0.7325 GB Notification: Performance of NFFlatten.flatten: time 0.002649/0.9469, allocations: 2.563 MB / 0.9455 GB, free: 5.926 MB / 0.7325 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001215/0.9481, allocations: 0.9014 MB / 0.9464 GB, free: 5.797 MB / 0.7325 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002641/0.9507, allocations: 1.067 MB / 0.9474 GB, free: 5.793 MB / 0.7325 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001297/0.9521, allocations: 0.7497 MB / 0.9482 GB, free: 5.789 MB / 0.7325 GB Notification: Performance of NFPackage.collectConstants: time 0.0001493/0.9522, allocations: 54.75 kB / 0.9482 GB, free: 5.789 MB / 0.7325 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002006/0.9542, allocations: 0.7512 MB / 0.949 GB, free: 5.781 MB / 0.7325 GB Notification: Performance of NFScalarize.scalarize: time 0.0005107/0.9547, allocations: 312.3 kB / 0.9493 GB, free: 5.777 MB / 0.7325 GB Notification: Performance of NFVerifyModel.verify: time 0.0009179/0.9557, allocations: 0.5434 MB / 0.9498 GB, free: 5.777 MB / 0.7325 GB Notification: Performance of NFConvertDAE.convert: time 0.002754/0.9584, allocations: 1.426 MB / 0.9512 GB, free: 5.578 MB / 0.7325 GB Notification: Performance of FrontEnd - DAE generated: time 8.466e-06/0.9585, allocations: 0 / 0.9512 GB, free: 5.578 MB / 0.7325 GB Notification: Performance of FrontEnd: time 3.296e-06/0.9585, allocations: 1.344 kB / 0.9512 GB, free: 5.578 MB / 0.7325 GB Notification: Performance of Transformations before backend: time 3.424e-05/0.9585, allocations: 0 / 0.9512 GB, free: 5.578 MB / 0.7325 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 0.004246/0.9628, allocations: 1.448 MB / 0.9526 GB, free: 20.73 MB / 0.7481 GB Notification: Performance of prepare preOptimizeDAE: time 5.569e-05/0.9628, allocations: 9.875 kB / 0.9526 GB, free: 20.73 MB / 0.7481 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0009489/0.9638, allocations: 191.4 kB / 0.9528 GB, free: 20.66 MB / 0.7481 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001497/0.9653, allocations: 0.8033 MB / 0.9536 GB, free: 20.3 MB / 0.7481 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.183e-05/0.9654, allocations: 46.39 kB / 0.9536 GB, free: 20.3 MB / 0.7481 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001041/0.9655, allocations: 67.16 kB / 0.9537 GB, free: 20.3 MB / 0.7481 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001185/0.9667, allocations: 0.7896 MB / 0.9545 GB, free: 20.06 MB / 0.7481 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.701e-05/0.9667, allocations: 0.875 kB / 0.9545 GB, free: 20.06 MB / 0.7481 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.897e-05/0.9668, allocations: 20.69 kB / 0.9545 GB, free: 20.06 MB / 0.7481 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.721e-05/0.9668, allocations: 20.55 kB / 0.9545 GB, free: 20.06 MB / 0.7481 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008608/0.9677, allocations: 0.5312 MB / 0.955 GB, free: 20.05 MB / 0.7481 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 0.004254/0.9719, allocations: 4.585 MB / 0.9595 GB, free: 16.6 MB / 0.7481 GB Notification: Performance of preOpt comSubExp (simulation): time 0.000694/0.9726, allocations: 417 kB / 0.9599 GB, free: 16.57 MB / 0.7481 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003695/0.973, allocations: 251.6 kB / 0.9601 GB, free: 16.56 MB / 0.7481 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003103/0.9733, allocations: 191.8 kB / 0.9603 GB, free: 16.38 MB / 0.7481 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005121/0.9738, allocations: 306.6 kB / 0.9606 GB, free: 16.3 MB / 0.7481 GB Notification: Performance of pre-optimization done (n=31): time 1.693e-06/0.9739, allocations: 0 / 0.9606 GB, free: 16.3 MB / 0.7481 GB Notification: Performance of matching and sorting (n=31): time 0.004898/0.9788, allocations: 1.644 MB / 0.9622 GB, free: 16.03 MB / 0.7481 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.509e-05/0.9788, allocations: 84.16 kB / 0.9623 GB, free: 15.94 MB / 0.7481 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001498/0.9803, allocations: 1.122 MB / 0.9634 GB, free: 15.78 MB / 0.7481 GB Notification: Performance of collectPreVariables (initialization): time 8.429e-05/0.9804, allocations: 38.33 kB / 0.9634 GB, free: 15.75 MB / 0.7481 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004852/0.9809, allocations: 490.1 kB / 0.9639 GB, free: 15.58 MB / 0.7481 GB Notification: Performance of collectInitialBindings (initialization): time 0.000101/0.981, allocations: 108.7 kB / 0.964 GB, free: 15.52 MB / 0.7481 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002064/0.9812, allocations: 118.5 kB / 0.9641 GB, free: 15.49 MB / 0.7481 GB Notification: Performance of setup shared object (initialization): time 0.0001535/0.9814, allocations: 325.7 kB / 0.9644 GB, free: 15.18 MB / 0.7481 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004199/0.9818, allocations: 215.9 kB / 0.9646 GB, free: 15.17 MB / 0.7481 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006618/0.9825, allocations: 0.5171 MB / 0.9651 GB, free: 14.82 MB / 0.7481 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0009736/0.9835, allocations: 0.6302 MB / 0.9657 GB, free: 14.58 MB / 0.7481 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.082e-06/0.9835, allocations: 2.438 kB / 0.9657 GB, free: 14.58 MB / 0.7481 GB Notification: Performance of matching and sorting (n=54) (initialization): time 0.002543/0.9861, allocations: 1.032 MB / 0.9668 GB, free: 14.41 MB / 0.7481 GB Notification: Performance of prepare postOptimizeDAE: time 5.971e-05/0.9861, allocations: 40.86 kB / 0.9668 GB, free: 14.38 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.444e-05/0.9862, allocations: 9.375 kB / 0.9668 GB, free: 14.38 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001238/0.9874, allocations: 381.4 kB / 0.9672 GB, free: 14.35 MB / 0.7481 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002335/0.9876, allocations: 64.11 kB / 0.9672 GB, free: 14.35 MB / 0.7481 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001579/0.9892, allocations: 1.079 MB / 0.9683 GB, free: 13.82 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001216/0.9905, allocations: 103 kB / 0.9684 GB, free: 13.78 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.381e-05/0.9906, allocations: 23.06 kB / 0.9684 GB, free: 13.78 MB / 0.7481 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0009034/0.9915, allocations: 0.4963 MB / 0.9689 GB, free: 13.7 MB / 0.7481 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004815/0.992, allocations: 496.7 kB / 0.9694 GB, free: 13.34 MB / 0.7481 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0006888/0.9927, allocations: 0.5517 MB / 0.9699 GB, free: 13.11 MB / 0.7481 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.007e-06/0.9927, allocations: 5.25 kB / 0.9699 GB, free: 13.1 MB / 0.7481 GB Notification: Performance of matching and sorting (n=54) (initialization_lambda0): time 0.00147/0.9942, allocations: 0.8283 MB / 0.9707 GB, free: 12.96 MB / 0.7481 GB Notification: Performance of prepare postOptimizeDAE: time 3.832e-05/0.9942, allocations: 40.42 kB / 0.9708 GB, free: 12.93 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.916e-06/0.9942, allocations: 9.484 kB / 0.9708 GB, free: 12.93 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.000522/0.9947, allocations: 213.9 kB / 0.971 GB, free: 12.92 MB / 0.7481 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002056/0.995, allocations: 72.66 kB / 0.971 GB, free: 12.91 MB / 0.7481 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003746/0.9987, allocations: 3.262 MB / 0.9742 GB, free: 11.3 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001052/0.9998, allocations: 83.44 kB / 0.9743 GB, free: 11.28 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.296e-05/0.9998, allocations: 21.88 kB / 0.9743 GB, free: 11.28 MB / 0.7481 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 {(9,11)} Notification: Performance of prepare postOptimizeDAE: time 0.0003069/1, allocations: 214.8 kB / 0.9745 GB, free: 11.1 MB / 0.7481 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001436/1, allocations: 106.9 kB / 0.9746 GB, free: 11.05 MB / 0.7481 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001369/1.002, allocations: 0.7225 MB / 0.9753 GB, free: 10.93 MB / 0.7481 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.98e-06/1.002, allocations: 2.812 kB / 0.9753 GB, free: 10.93 MB / 0.7481 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.305e-06/1.002, allocations: 0 / 0.9753 GB, free: 10.93 MB / 0.7481 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.163e-06/1.002, allocations: 2.5 kB / 0.9753 GB, free: 10.93 MB / 0.7481 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002313/1.004, allocations: 1.593 MB / 0.9769 GB, free: 10.45 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.298e-06/1.004, allocations: 3.938 kB / 0.9769 GB, free: 10.44 MB / 0.7481 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001033/1.004, allocations: 29.06 kB / 0.9769 GB, free: 10.44 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004387/1.005, allocations: 256.7 kB / 0.9772 GB, free: 10.41 MB / 0.7481 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.416e-05/1.005, allocations: 16.05 kB / 0.9772 GB, free: 10.41 MB / 0.7481 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0009146/1.006, allocations: 1.018 MB / 0.9782 GB, free: 9.879 MB / 0.7481 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.936e-06/1.006, allocations: 5.688 kB / 0.9782 GB, free: 9.875 MB / 0.7481 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001151/1.007, allocations: 0.8339 MB / 0.979 GB, free: 9.578 MB / 0.7481 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003554/1.007, allocations: 214.5 kB / 0.9792 GB, free: 9.43 MB / 0.7481 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001124/1.007, allocations: 8.656 kB / 0.9792 GB, free: 9.43 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004875/1.008, allocations: 46.77 kB / 0.9793 GB, free: 9.422 MB / 0.7481 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001043/1.008, allocations: 31.86 kB / 0.9793 GB, free: 9.418 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.139e-05/1.008, allocations: 15.47 kB / 0.9793 GB, free: 9.418 MB / 0.7481 GB Notification: Performance of sorting global known variables: time 0.001085/1.009, allocations: 0.7946 MB / 0.9801 GB, free: 9.309 MB / 0.7481 GB Notification: Performance of sort global known variables: time 1.1e-07/1.009, allocations: 0 / 0.9801 GB, free: 9.309 MB / 0.7481 GB Notification: Performance of remove unused functions: time 0.001504/1.01, allocations: 438.4 kB / 0.9805 GB, free: 9.277 MB / 0.7481 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 {(9,11)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0004896/1.011, allocations: 185.3 kB / 0.9807 GB, free: 9.168 MB / 0.7481 GB Notification: Performance of simCode: created initialization part: time 0.002296/1.013, allocations: 1.212 MB / 0.9819 GB, free: 8.883 MB / 0.7481 GB Notification: Performance of simCode: created event and clocks part: time 4.308e-06/1.013, allocations: 0 / 0.9819 GB, free: 8.883 MB / 0.7481 GB Notification: Performance of simCode: created simulation system equations: time 0.0005363/1.014, allocations: 291.4 kB / 0.9821 GB, free: 8.863 MB / 0.7481 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001857/1.016, allocations: 452.3 kB / 0.9826 GB, free: 8.781 MB / 0.7481 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002727/1.018, allocations: 2.081 MB / 0.9846 GB, free: 7.789 MB / 0.7481 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007319/1.019, allocations: 1.184 MB / 0.9858 GB, free: 7.074 MB / 0.7481 GB Notification: Performance of simCode: alias equations: time 0.0008412/1.02, allocations: 307.3 kB / 0.986 GB, free: 7.023 MB / 0.7481 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001177/1.02, allocations: 65.02 kB / 0.9861 GB, free: 7.016 MB / 0.7481 GB Notification: Performance of SimCode: time 6.61e-07/1.02, allocations: 0 / 0.9861 GB, free: 7.016 MB / 0.7481 GB Notification: Performance of Templates: time 0.02988/1.05, allocations: 19.16 MB / 1.005 GB, free: 15.95 MB / 0.7637 GB make -j1 -f Buildings_8_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesDp.makefile (rm -f Buildings_8_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesDp.pipe ; mkfifo Buildings_8_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesDp.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesDp.pipe >> ../files/Buildings_8_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesDp.sim & ./Buildings_8_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesDp -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesDp.pipe 2>&1)