Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.Examples.Performance.PressureDrop.ParallelFlow.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/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-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: translateModel(BuildingSystems.Fluid.Examples.Performance.PressureDrop.ParallelFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Examples.Performance.PressureDrop.ParallelFlow") translateModel(BuildingSystems.Fluid.Examples.Performance.PressureDrop.ParallelFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Examples.Performance.PressureDrop.ParallelFlow") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001036/0.001037, allocations: 98.03 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 0.007808/0.007808, allocations: 168.9 kB / 16.26 MB, free: 6.648 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.319/1.319, allocations: 223.3 MB / 240.3 MB, free: 5.359 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.001656/0.001656, allocations: 274.8 kB / 291.7 MB, free: 1.895 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.9224/0.9224, allocations: 169.5 MB / 0.5004 GB, free: 14.12 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0004222/0.0004222, allocations: 18.5 kB / 0.5987 GB, free: 28.23 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1652/0.1656, allocations: 88.54 MB / 0.6851 GB, free: 15.11 MB / 494.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Examples.Performance.PressureDrop.ParallelFlow): time 0.476/0.6417, allocations: 157.3 MB / 0.8387 GB, free: 7.906 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.002908/0.6446, allocations: 1.749 MB / 0.8404 GB, free: 6.512 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002764/0.6449, allocations: 9.125 kB / 0.8404 GB, free: 6.508 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.0005088/0.6454, allocations: 137.4 kB / 0.8406 GB, free: 6.395 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.001173/0.6466, allocations: 0.4962 MB / 0.8411 GB, free: 6.023 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.000892/0.6475, allocations: 351 kB / 0.8414 GB, free: 5.785 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.002845/0.6504, allocations: 3.497 MB / 0.8448 GB, free: 3.914 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002399/0.6528, allocations: 2.219 MB / 0.847 GB, free: 2.52 MB / 0.5606 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001636/0.6544, allocations: 0.9017 MB / 0.8479 GB, free: 2.039 MB / 0.5606 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0008319/0.6553, allocations: 0.7206 MB / 0.8486 GB, free: 1.637 MB / 0.5606 GB Notification: Performance of NFPackage.collectConstants: time 7.333e-05/0.6554, allocations: 32.31 kB / 0.8486 GB, free: 1.637 MB / 0.5606 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001379/0.6568, allocations: 0.8022 MB / 0.8494 GB, free: 1.18 MB / 0.5606 GB Notification: Performance of NFScalarize.scalarize: time 0.0002683/0.657, allocations: 280.4 kB / 0.8496 GB, free: 0.9961 MB / 0.5606 GB Notification: Performance of NFVerifyModel.verify: time 0.0005373/0.6576, allocations: 0.527 MB / 0.8502 GB, free: 0.6641 MB / 0.5606 GB Notification: Performance of NFConvertDAE.convert: time 0.001293/0.6589, allocations: 1.375 MB / 0.8515 GB, free: 15.84 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 3.867e-06/0.6589, allocations: 0 / 0.8515 GB, free: 15.84 MB / 0.5762 GB Notification: Performance of FrontEnd: time 1.573e-06/0.6589, allocations: 0 / 0.8515 GB, free: 15.84 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 1.17e-05/0.6589, allocations: 0 / 0.8515 GB, free: 15.84 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 0.00187/0.6608, allocations: 1.302 MB / 0.8528 GB, free: 14.82 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 3.617e-05/0.6608, allocations: 8.719 kB / 0.8528 GB, free: 14.82 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007121/0.6616, allocations: 190.7 kB / 0.853 GB, free: 14.72 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001048/0.6626, allocations: 0.8078 MB / 0.8537 GB, free: 14.12 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.646e-05/0.6627, allocations: 44.59 kB / 0.8538 GB, free: 14.11 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.947e-05/0.6628, allocations: 65.27 kB / 0.8538 GB, free: 14.08 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001105/0.6639, allocations: 0.8217 MB / 0.8547 GB, free: 13.5 MB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.821e-05/0.6639, allocations: 7.188 kB / 0.8547 GB, free: 13.5 MB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.279e-05/0.664, allocations: 24.59 kB / 0.8547 GB, free: 13.48 MB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.212e-05/0.664, allocations: 13.84 kB / 0.8547 GB, free: 13.48 MB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008636/0.6649, allocations: 0.5756 MB / 0.8553 GB, free: 13.2 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 0.003485/0.6683, allocations: 4.248 MB / 0.8594 GB, free: 9.41 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006874/0.669, allocations: 462.5 kB / 0.8598 GB, free: 9.18 MB / 0.5762 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004561/0.6695, allocations: 346 kB / 0.8602 GB, free: 9.016 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002725/0.6698, allocations: 190.8 kB / 0.8604 GB, free: 8.816 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004902/0.6703, allocations: 328.6 kB / 0.8607 GB, free: 8.602 MB / 0.5762 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0001855/0.6705, allocations: 34.53 kB / 0.8607 GB, free: 8.578 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=33): time 1.793e-06/0.6705, allocations: 4 kB / 0.8607 GB, free: 8.574 MB / 0.5762 GB Notification: Performance of matching and sorting (n=33): time 0.004714/0.6752, allocations: 1.586 MB / 0.8623 GB, free: 7.699 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.63e-05/0.6753, allocations: 87.25 kB / 0.8623 GB, free: 7.602 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001198/0.6765, allocations: 1.148 MB / 0.8635 GB, free: 6.992 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 4.559e-05/0.6765, allocations: 39.17 kB / 0.8635 GB, free: 6.953 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003695/0.6769, allocations: 485.8 kB / 0.864 GB, free: 6.543 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 9.089e-05/0.677, allocations: 118 kB / 0.8641 GB, free: 6.441 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 6.376e-05/0.6771, allocations: 42.36 kB / 0.8641 GB, free: 6.41 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 0.0001059/0.6772, allocations: 323.6 kB / 0.8644 GB, free: 6.094 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004016/0.6776, allocations: 235.9 kB / 0.8646 GB, free: 5.984 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005928/0.6782, allocations: 0.5587 MB / 0.8652 GB, free: 5.461 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008739/0.6791, allocations: 0.6789 MB / 0.8659 GB, free: 4.973 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.149e-06/0.6791, allocations: 6.844 kB / 0.8659 GB, free: 4.969 MB / 0.5762 GB Notification: Performance of matching and sorting (n=56) (initialization): time 0.002204/0.6813, allocations: 1.119 MB / 0.867 GB, free: 4.352 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001621/0.6815, allocations: 277.6 kB / 0.8672 GB, free: 4.012 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.626e-06/0.6815, allocations: 5.344 kB / 0.8672 GB, free: 4.012 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001439/0.6829, allocations: 440 kB / 0.8676 GB, free: 3.832 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003667/0.6833, allocations: 105.1 kB / 0.8677 GB, free: 3.797 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001294/0.6846, allocations: 1.098 MB / 0.8688 GB, free: 2.98 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008409/0.6855, allocations: 89.12 kB / 0.8689 GB, free: 2.934 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.691e-05/0.6856, allocations: 26.75 kB / 0.8689 GB, free: 2.91 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 9.698e-06/0.6856, allocations: 6.031 kB / 0.8689 GB, free: 2.906 MB / 0.5762 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.001432/0.687, allocations: 0.7841 MB / 0.8697 GB, free: 2.113 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.652e-06/0.687, allocations: 4 kB / 0.8697 GB, free: 2.109 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005258/0.6876, allocations: 235.5 kB / 0.8699 GB, free: 1.879 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000341/0.6879, allocations: 91.88 kB / 0.87 GB, free: 1.789 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003607/0.6915, allocations: 3.051 MB / 0.873 GB, free: 14.61 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007769/0.6923, allocations: 79.89 kB / 0.8731 GB, free: 14.53 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.79e-05/0.6924, allocations: 24 kB / 0.8731 GB, free: 14.5 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_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 (35): * Single equations (assignments): 33 * 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 {(10,11)} Notification: Performance of prepare postOptimizeDAE: time 0.0005295/0.6929, allocations: 470 kB / 0.8735 GB, free: 14.04 MB / 0.5919 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001132/0.693, allocations: 98.78 kB / 0.8736 GB, free: 13.94 MB / 0.5919 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00137/0.6944, allocations: 0.8004 MB / 0.8744 GB, free: 13.12 MB / 0.5919 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.266e-06/0.6944, allocations: 4 kB / 0.8744 GB, free: 13.12 MB / 0.5919 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.467e-06/0.6944, allocations: 8 kB / 0.8744 GB, free: 13.11 MB / 0.5919 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.683e-06/0.6944, allocations: 3.984 kB / 0.8744 GB, free: 13.11 MB / 0.5919 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002401/0.6968, allocations: 1.745 MB / 0.8761 GB, free: 11.29 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.57e-06/0.6969, allocations: 4 kB / 0.8761 GB, free: 11.28 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002587/0.6971, allocations: 59.94 kB / 0.8762 GB, free: 11.22 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005205/0.6977, allocations: 271.1 kB / 0.8765 GB, free: 10.96 MB / 0.5919 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.667e-05/0.6977, allocations: 11.94 kB / 0.8765 GB, free: 10.95 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.000968/0.6987, allocations: 1.042 MB / 0.8775 GB, free: 9.879 MB / 0.5919 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.144e-06/0.6987, allocations: 4 kB / 0.8775 GB, free: 9.875 MB / 0.5919 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001251/0.6999, allocations: 0.9132 MB / 0.8784 GB, free: 8.922 MB / 0.5919 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00029/0.7002, allocations: 223.8 kB / 0.8786 GB, free: 8.684 MB / 0.5919 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.925e-05/0.7003, allocations: 8 kB / 0.8786 GB, free: 8.676 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006028/0.7009, allocations: 67.77 kB / 0.8787 GB, free: 8.609 MB / 0.5919 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.226e-05/0.701, allocations: 28.05 kB / 0.8787 GB, free: 8.582 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.496e-05/0.7011, allocations: 15.92 kB / 0.8787 GB, free: 8.566 MB / 0.5919 GB Notification: Performance of sorting global known variables: time 0.0009803/0.7021, allocations: 0.8158 MB / 0.8795 GB, free: 7.742 MB / 0.5919 GB Notification: Performance of sort global known variables: time 1.81e-07/0.7021, allocations: 4 kB / 0.8795 GB, free: 7.738 MB / 0.5919 GB Notification: Performance of remove unused functions: time 0.001212/0.7033, allocations: 471.4 kB / 0.88 GB, free: 7.277 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_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 (13): * Single equations (assignments): 10 * 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 {(10,11)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0004269/0.7037, allocations: 175.3 kB / 0.8801 GB, free: 7.109 MB / 0.5919 GB Notification: Performance of simCode: created initialization part: time 0.002564/0.7063, allocations: 1.274 MB / 0.8814 GB, free: 5.805 MB / 0.5919 GB Notification: Performance of simCode: created event and clocks part: time 2.785e-06/0.7063, allocations: 0 / 0.8814 GB, free: 5.805 MB / 0.5919 GB Notification: Performance of simCode: created simulation system equations: time 0.0006707/0.707, allocations: 308.2 kB / 0.8817 GB, free: 5.504 MB / 0.5919 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003317/0.7103, allocations: 0.6294 MB / 0.8823 GB, free: 4.879 MB / 0.5919 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003031/0.7134, allocations: 2.192 MB / 0.8844 GB, free: 2.637 MB / 0.5919 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007459/0.7141, allocations: 1.185 MB / 0.8856 GB, free: 1.422 MB / 0.5919 GB Notification: Performance of simCode: alias equations: time 0.0009087/0.715, allocations: 316.4 kB / 0.8859 GB, free: 1.109 MB / 0.5919 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001331/0.7152, allocations: 67.42 kB / 0.8859 GB, free: 1.043 MB / 0.5919 GB Notification: Performance of SimCode: time 1.012e-06/0.7152, allocations: 0 / 0.8859 GB, free: 1.043 MB / 0.5919 GB Notification: Performance of Templates: time 0.03296/0.7482, allocations: 20.93 MB / 0.9064 GB, free: 12.33 MB / 0.6231 GB make -j1 -f BuildingSystems_BuildingSystems.Fluid.Examples.Performance.PressureDrop.ParallelFlow.makefile (rm -f BuildingSystems_BuildingSystems.Fluid.Examples.Performance.PressureDrop.ParallelFlow.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.Examples.Performance.PressureDrop.ParallelFlow.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.Examples.Performance.PressureDrop.ParallelFlow.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.Examples.Performance.PressureDrop.ParallelFlow.sim & ./BuildingSystems_BuildingSystems.Fluid.Examples.Performance.PressureDrop.ParallelFlow -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.Examples.Performance.PressureDrop.ParallelFlow.pipe 2>&1)