Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesParallelFlowOptimised.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.SeriesParallelFlowOptimised,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesParallelFlowOptimised") translateModel(Buildings.Fluid.Examples.Performance.PressureDrop.SeriesParallelFlowOptimised,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesParallelFlowOptimised") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0007587/0.0007586, allocations: 98.27 kB / 15.36 MB, free: 0.7344 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.004901/0.004901, allocations: 169.9 kB / 16.27 MB, free: 6.66 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.508/1.508, allocations: 205.4 MB / 222.4 MB, free: 5.559 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 1.674/1.674, allocations: 292.7 MB / 0.5502 GB, free: 14.44 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 0.0005741/0.0005743, allocations: 15.53 kB / 0.6743 GB, free: 25.73 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2267/0.2273, allocations: 116.3 MB / 0.7879 GB, free: 11.56 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.Performance.PressureDrop.SeriesParallelFlowOptimised): time 0.6374/0.8647, allocations: 163.4 MB / 0.9474 GB, free: 0.7852 MB / 0.7169 GB Notification: Performance of NFInst.instExpressions: time 0.004178/0.8689, allocations: 2.176 MB / 0.9495 GB, free: 0.5781 MB / 0.7169 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0003756/0.8694, allocations: 15.69 kB / 0.9496 GB, free: 0.5703 MB / 0.7169 GB Notification: Performance of NFTyping.typeComponents: time 0.0006759/0.87, allocations: 198.7 kB / 0.9497 GB, free: 0.5156 MB / 0.7169 GB Notification: Performance of NFTyping.typeBindings: time 0.001578/0.8716, allocations: 0.6468 MB / 0.9504 GB, free: 380 kB / 0.7169 GB Notification: Performance of NFTyping.typeClassSections: time 0.001291/0.8729, allocations: 384.6 kB / 0.9507 GB, free: 348 kB / 0.7169 GB Notification: Performance of NFFlatten.flatten: time 0.004787/0.8777, allocations: 3.809 MB / 0.9545 GB, free: 15.94 MB / 0.7325 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002991/0.8807, allocations: 2.353 MB / 0.9568 GB, free: 15.54 MB / 0.7325 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003222/0.884, allocations: 1.113 MB / 0.9578 GB, free: 15.4 MB / 0.7325 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001721/0.8857, allocations: 0.8657 MB / 0.9587 GB, free: 15.36 MB / 0.7325 GB Notification: Performance of NFPackage.collectConstants: time 0.0001442/0.8859, allocations: 47.28 kB / 0.9587 GB, free: 15.36 MB / 0.7325 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001923/0.8878, allocations: 0.8976 MB / 0.9596 GB, free: 15.29 MB / 0.7325 GB Notification: Performance of NFScalarize.scalarize: time 0.0004221/0.8882, allocations: 336.1 kB / 0.9599 GB, free: 15.27 MB / 0.7325 GB Notification: Performance of NFVerifyModel.verify: time 0.000882/0.8891, allocations: 0.5972 MB / 0.9605 GB, free: 15.22 MB / 0.7325 GB Notification: Performance of NFConvertDAE.convert: time 0.002477/0.8916, allocations: 1.583 MB / 0.9621 GB, free: 15.1 MB / 0.7325 GB Notification: Performance of FrontEnd - DAE generated: time 5.911e-06/0.8916, allocations: 1 kB / 0.9621 GB, free: 15.1 MB / 0.7325 GB Notification: Performance of FrontEnd: time 2.876e-06/0.8917, allocations: 0 / 0.9621 GB, free: 15.1 MB / 0.7325 GB Notification: Performance of Transformations before backend: time 2.266e-05/0.8917, allocations: 1.859 kB / 0.9621 GB, free: 15.1 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: 136 * Number of variables: 136 Notification: Performance of Generate backend data structure: time 0.002805/0.8945, allocations: 1.476 MB / 0.9635 GB, free: 14.25 MB / 0.7325 GB Notification: Performance of prepare preOptimizeDAE: time 4.425e-05/0.8945, allocations: 9.375 kB / 0.9635 GB, free: 14.25 MB / 0.7325 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0008713/0.8954, allocations: 201.4 kB / 0.9637 GB, free: 14.18 MB / 0.7325 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001395/0.8968, allocations: 0.872 MB / 0.9646 GB, free: 13.8 MB / 0.7325 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.107e-05/0.8969, allocations: 47.66 kB / 0.9646 GB, free: 13.8 MB / 0.7325 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001217/0.897, allocations: 66.28 kB / 0.9647 GB, free: 13.8 MB / 0.7325 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001568/0.8986, allocations: 0.9999 MB / 0.9656 GB, free: 13.37 MB / 0.7325 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.935e-05/0.8986, allocations: 1.375 kB / 0.9656 GB, free: 13.37 MB / 0.7325 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.158e-05/0.8987, allocations: 25.06 kB / 0.9657 GB, free: 13.37 MB / 0.7325 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.642e-05/0.8987, allocations: 13.75 kB / 0.9657 GB, free: 13.37 MB / 0.7325 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001317/0.9001, allocations: 0.8159 MB / 0.9665 GB, free: 13.18 MB / 0.7325 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 0.004641/0.9047, allocations: 4.81 MB / 0.9712 GB, free: 9.387 MB / 0.7325 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002296/0.907, allocations: 4.025 MB / 0.9751 GB, free: 4.996 MB / 0.7325 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004492/0.9075, allocations: 353.4 kB / 0.9754 GB, free: 4.934 MB / 0.7325 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002809/0.9078, allocations: 194.8 kB / 0.9756 GB, free: 4.738 MB / 0.7325 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005094/0.9083, allocations: 335.4 kB / 0.976 GB, free: 4.59 MB / 0.7325 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0004691/0.9088, allocations: 29.56 kB / 0.976 GB, free: 4.574 MB / 0.7325 GB Notification: Performance of pre-optimization done (n=35): time 1.904e-06/0.9088, allocations: 0 / 0.976 GB, free: 4.574 MB / 0.7325 GB Notification: Performance of matching and sorting (n=35): time 0.004811/0.9136, allocations: 1.61 MB / 0.9776 GB, free: 3.883 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.437e-05/0.9137, allocations: 82.22 kB / 0.9776 GB, free: 3.789 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001733/0.9154, allocations: 1.183 MB / 0.9788 GB, free: 3.418 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 7.551e-05/0.9155, allocations: 38.52 kB / 0.9788 GB, free: 3.387 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004452/0.916, allocations: 0.5227 MB / 0.9793 GB, free: 3.16 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001061/0.9161, allocations: 119.4 kB / 0.9794 GB, free: 3.074 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 7.733e-05/0.9162, allocations: 48.38 kB / 0.9795 GB, free: 3.051 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.000121/0.9163, allocations: 328 kB / 0.9798 GB, free: 2.738 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004162/0.9167, allocations: 235.7 kB / 0.98 GB, free: 2.688 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006722/0.9174, allocations: 0.5624 MB / 0.9806 GB, free: 2.242 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0009105/0.9183, allocations: 0.6949 MB / 0.9813 GB, free: 1.891 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.422e-06/0.9183, allocations: 3.156 kB / 0.9813 GB, free: 1.891 MB / 0.7325 GB Notification: Performance of matching and sorting (n=58) (initialization): time 0.002245/0.9206, allocations: 1.113 MB / 0.9823 GB, free: 1.488 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001655/0.9208, allocations: 275.2 kB / 0.9826 GB, free: 1.168 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.045e-05/0.9208, allocations: 5.125 kB / 0.9826 GB, free: 1.168 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001189/0.922, allocations: 361.6 kB / 0.983 GB, free: 1.047 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000402/0.9224, allocations: 111.8 kB / 0.9831 GB, free: 1.016 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001005/0.9234, allocations: 1.013 MB / 0.9841 GB, free: 380 kB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001198/0.9246, allocations: 88.88 kB / 0.9841 GB, free: 348 kB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.326e-05/0.9247, allocations: 22.69 kB / 0.9842 GB, free: 348 kB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 9.047e-06/0.9247, allocations: 5.625 kB / 0.9842 GB, free: 348 kB / 0.7325 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.001341/0.9261, allocations: 0.7812 MB / 0.9849 GB, free: 104 kB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.797e-06/0.9261, allocations: 10.5 kB / 0.9849 GB, free: 100 kB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005074/0.9266, allocations: 217.8 kB / 0.9851 GB, free: 40 kB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003721/0.927, allocations: 106.4 kB / 0.9852 GB, free: 12 kB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003492/0.9305, allocations: 2.915 MB / 0.9881 GB, free: 14.25 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00142/0.9319, allocations: 96.45 kB / 0.9882 GB, free: 14.21 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.128e-05/0.932, allocations: 26.78 kB / 0.9882 GB, free: 14.21 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_m_flow.count,$PRE.pulse_m_flow.count,pulse_m_flow.T_start,$PRE.pulse_m_flow.T_start,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (38): * Single equations (assignments): 36 * 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 0.0007775/0.9328, allocations: 481.6 kB / 0.9887 GB, free: 13.94 MB / 0.7481 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001632/0.9329, allocations: 118.4 kB / 0.9888 GB, free: 13.87 MB / 0.7481 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001328/0.9343, allocations: 0.7782 MB / 0.9895 GB, free: 13.62 MB / 0.7481 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.903e-06/0.9343, allocations: 5.312 kB / 0.9896 GB, free: 13.62 MB / 0.7481 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.495e-06/0.9343, allocations: 0 / 0.9896 GB, free: 13.62 MB / 0.7481 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.856e-06/0.9343, allocations: 7.984 kB / 0.9896 GB, free: 13.61 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 postOpt removeSimpleEquations (simulation): time 0.002799/0.9371, allocations: 2.124 MB / 0.9916 GB, free: 12.06 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.789e-06/0.9371, allocations: 2.938 kB / 0.9916 GB, free: 12.06 MB / 0.7481 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003193/0.9375, allocations: 82.95 kB / 0.9917 GB, free: 12.04 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003726/0.9378, allocations: 168.8 kB / 0.9919 GB, free: 11.95 MB / 0.7481 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.902e-05/0.9379, allocations: 19.58 kB / 0.9919 GB, free: 11.94 MB / 0.7481 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0007088/0.9386, allocations: 0.8544 MB / 0.9927 GB, free: 11.24 MB / 0.7481 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.598e-06/0.9386, allocations: 6.844 kB / 0.9927 GB, free: 11.24 MB / 0.7481 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001212/0.9398, allocations: 0.8675 MB / 0.9936 GB, free: 10.68 MB / 0.7481 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004248/0.9403, allocations: 239.8 kB / 0.9938 GB, free: 10.48 MB / 0.7481 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000115/0.9404, allocations: 6.969 kB / 0.9938 GB, free: 10.48 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006838/0.9411, allocations: 71.38 kB / 0.9939 GB, free: 10.45 MB / 0.7481 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.669e-05/0.9412, allocations: 35.69 kB / 0.9939 GB, free: 10.43 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.809e-05/0.9412, allocations: 14.81 kB / 0.9939 GB, free: 10.42 MB / 0.7481 GB Notification: Performance of sorting global known variables: time 0.001028/0.9423, allocations: 0.8321 MB / 0.9947 GB, free: 9.969 MB / 0.7481 GB Notification: Performance of sort global known variables: time 1.7e-07/0.9423, allocations: 4 kB / 0.9947 GB, free: 9.965 MB / 0.7481 GB Notification: Performance of remove unused functions: time 0.001424/0.9437, allocations: 0.4982 MB / 0.9952 GB, free: 9.898 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_m_flow.T_start,pulse_m_flow.count) * Number of discrete states: 1 (pulse_m_flow.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (25): * Single equations (assignments): 22 * 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 {(1,10)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0004371/0.9441, allocations: 183.4 kB / 0.9954 GB, free: 9.77 MB / 0.7481 GB Notification: Performance of simCode: created initialization part: time 0.002077/0.9462, allocations: 1.147 MB / 0.9965 GB, free: 9.082 MB / 0.7481 GB Notification: Performance of simCode: created event and clocks part: time 4.068e-06/0.9462, allocations: 1.906 kB / 0.9965 GB, free: 9.082 MB / 0.7481 GB Notification: Performance of simCode: created simulation system equations: time 0.0004461/0.9467, allocations: 262.2 kB / 0.9968 GB, free: 8.957 MB / 0.7481 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003771/0.9505, allocations: 0.651 MB / 0.9974 GB, free: 8.629 MB / 0.7481 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002946/0.9534, allocations: 2.187 MB / 0.9996 GB, free: 7.234 MB / 0.7481 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000663/0.9541, allocations: 1.214 MB / 1.001 GB, free: 6.285 MB / 0.7481 GB Notification: Performance of simCode: alias equations: time 0.001102/0.9552, allocations: 384.7 kB / 1.001 GB, free: 6.113 MB / 0.7481 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001524/0.9554, allocations: 73.45 kB / 1.001 GB, free: 6.098 MB / 0.7481 GB Notification: Performance of SimCode: time 2.104e-06/0.9554, allocations: 0 / 1.001 GB, free: 6.098 MB / 0.7481 GB Notification: Performance of Templates: time 0.03415/0.9896, allocations: 21.37 MB / 1.022 GB, free: 8.16 MB / 0.7637 GB make -j1 -f Buildings_8_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesParallelFlowOptimised.makefile Environment - environmentSimulation: (rm -f Buildings_8_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesParallelFlowOptimised.pipe ; mkfifo Buildings_8_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesParallelFlowOptimised.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesParallelFlowOptimised.pipe >> ../files/Buildings_8_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesParallelFlowOptimised.sim & ./Buildings_8_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesParallelFlowOptimised -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesParallelFlowOptimised.pipe 2>&1) Environment - environmentSimulation: