Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.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/IDEAS 3.0.0/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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(IDEAS.Fluid.Examples.Performance.PressureDrop.ParallelFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.Examples.Performance.PressureDrop.ParallelFlow") translateModel(IDEAS.Fluid.Examples.Performance.PressureDrop.ParallelFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.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 0.001089/0.001089, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001127/0.001127, allocations: 195.7 kB / 16.53 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.269/1.269, allocations: 222.9 MB / 240.2 MB, free: 4.387 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7166/0.7166, allocations: 132.2 MB / 422.6 MB, free: 1.773 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001279/0.001279, allocations: 63.61 kB / 0.5018 GB, free: 3.855 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3673/0.3686, allocations: 80.21 MB / 0.5801 GB, free: 4.531 MB / 430.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Examples.Performance.PressureDrop.ParallelFlow): time 0.1729/0.5415, allocations: 161.6 MB / 0.7379 GB, free: 15.33 MB / 0.5762 GB Notification: Performance of NFInst.instExpressions: time 0.002925/0.5444, allocations: 1.767 MB / 0.7396 GB, free: 13.56 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002894/0.5448, allocations: 11.94 kB / 0.7396 GB, free: 13.55 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.0005348/0.5453, allocations: 162.9 kB / 0.7398 GB, free: 13.39 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.001176/0.5465, allocations: 0.525 MB / 0.7403 GB, free: 12.86 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.001004/0.5475, allocations: 396.4 kB / 0.7407 GB, free: 12.48 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.00235/0.5499, allocations: 2.548 MB / 0.7432 GB, free: 9.926 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002519/0.5524, allocations: 2.407 MB / 0.7455 GB, free: 7.504 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001588/0.554, allocations: 1.02 MB / 0.7465 GB, free: 6.48 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0007879/0.5548, allocations: 0.7117 MB / 0.7472 GB, free: 5.766 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.000153/0.555, allocations: 67.94 kB / 0.7473 GB, free: 5.699 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001313/0.5563, allocations: 0.7406 MB / 0.748 GB, free: 4.957 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.0002983/0.5566, allocations: 314.9 kB / 0.7483 GB, free: 4.648 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.0005815/0.5572, allocations: 0.544 MB / 0.7488 GB, free: 4.102 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.001346/0.5586, allocations: 1.406 MB / 0.7502 GB, free: 2.691 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 3.496e-06/0.5586, allocations: 0 / 0.7502 GB, free: 2.691 MB / 0.5762 GB Notification: Performance of FrontEnd: time 1.312e-06/0.5586, allocations: 0 / 0.7502 GB, free: 2.691 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 1.201e-05/0.5586, allocations: 0 / 0.7502 GB, free: 2.691 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 0.001979/0.5606, allocations: 1.451 MB / 0.7516 GB, free: 1.18 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 3.988e-05/0.5606, allocations: 12.03 kB / 0.7516 GB, free: 1.168 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0006876/0.5613, allocations: 198.3 kB / 0.7518 GB, free: 0.9727 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001046/0.5624, allocations: 0.8022 MB / 0.7526 GB, free: 116 kB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.605e-05/0.5624, allocations: 45 kB / 0.7526 GB, free: 72 kB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.616e-05/0.5625, allocations: 60 kB / 0.7527 GB, free: 12 kB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001088/0.5636, allocations: 0.82 MB / 0.7535 GB, free: 15.12 MB / 0.5919 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.632e-05/0.5636, allocations: 7.938 kB / 0.7535 GB, free: 15.11 MB / 0.5919 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.995e-05/0.5637, allocations: 20 kB / 0.7535 GB, free: 15.09 MB / 0.5919 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.364e-05/0.5637, allocations: 16 kB / 0.7535 GB, free: 15.07 MB / 0.5919 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008665/0.5646, allocations: 0.5656 MB / 0.7541 GB, free: 14.51 MB / 0.5919 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 0.003427/0.568, allocations: 4.215 MB / 0.7582 GB, free: 10.03 MB / 0.5919 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007141/0.5688, allocations: 442.2 kB / 0.7586 GB, free: 9.586 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004592/0.5692, allocations: 357.7 kB / 0.759 GB, free: 9.238 MB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002809/0.5695, allocations: 194.2 kB / 0.7592 GB, free: 9.012 MB / 0.5919 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004667/0.57, allocations: 311.1 kB / 0.7595 GB, free: 8.688 MB / 0.5919 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0001807/0.5702, allocations: 39.59 kB / 0.7595 GB, free: 8.648 MB / 0.5919 GB Notification: Performance of pre-optimization done (n=33): time 1.814e-06/0.5702, allocations: 4 kB / 0.7595 GB, free: 8.645 MB / 0.5919 GB Notification: Performance of matching and sorting (n=33): time 0.004537/0.5747, allocations: 1.557 MB / 0.761 GB, free: 7.059 MB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.506e-05/0.5748, allocations: 85.09 kB / 0.7611 GB, free: 6.957 MB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001221/0.576, allocations: 1.151 MB / 0.7622 GB, free: 5.789 MB / 0.5919 GB Notification: Performance of collectPreVariables (initialization): time 4.082e-05/0.5761, allocations: 37.7 kB / 0.7623 GB, free: 5.746 MB / 0.5919 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003563/0.5764, allocations: 488.4 kB / 0.7627 GB, free: 5.266 MB / 0.5919 GB Notification: Performance of collectInitialBindings (initialization): time 8.76e-05/0.5765, allocations: 118.3 kB / 0.7628 GB, free: 5.148 MB / 0.5919 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001575/0.5767, allocations: 114.2 kB / 0.763 GB, free: 5.031 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 0.0001079/0.5768, allocations: 326 kB / 0.7633 GB, free: 4.707 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003801/0.5772, allocations: 238.9 kB / 0.7635 GB, free: 4.469 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005826/0.5778, allocations: 0.5422 MB / 0.764 GB, free: 3.797 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008614/0.5787, allocations: 0.6799 MB / 0.7647 GB, free: 3.039 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.541e-06/0.5787, allocations: 4 kB / 0.7647 GB, free: 3.035 MB / 0.5919 GB Notification: Performance of matching and sorting (n=56) (initialization): time 0.002236/0.5809, allocations: 1.092 MB / 0.7658 GB, free: 1.926 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 3.867e-05/0.581, allocations: 37.69 kB / 0.7658 GB, free: 1.883 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.365e-06/0.581, allocations: 8.625 kB / 0.7658 GB, free: 1.875 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001447/0.5824, allocations: 433.9 kB / 0.7662 GB, free: 1.449 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000339/0.5828, allocations: 79.88 kB / 0.7663 GB, free: 1.371 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001299/0.5841, allocations: 1.111 MB / 0.7674 GB, free: 240 kB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007393/0.5849, allocations: 63.86 kB / 0.7674 GB, free: 176 kB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.842e-05/0.5849, allocations: 28 kB / 0.7675 GB, free: 148 kB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0006775/0.5856, allocations: 0.5179 MB / 0.768 GB, free: 15.62 MB / 0.6075 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0005135/0.5861, allocations: 0.5031 MB / 0.7685 GB, free: 14.99 MB / 0.6075 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0007728/0.5869, allocations: 0.5919 MB / 0.769 GB, free: 14.32 MB / 0.6075 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.421e-06/0.5869, allocations: 7.984 kB / 0.769 GB, free: 14.31 MB / 0.6075 GB Notification: Performance of matching and sorting (n=56) (initialization_lambda0): time 0.001445/0.5884, allocations: 0.8846 MB / 0.7699 GB, free: 13.41 MB / 0.6075 GB Notification: Performance of prepare postOptimizeDAE: time 2.99e-05/0.5884, allocations: 41.64 kB / 0.7699 GB, free: 13.36 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.601e-06/0.5884, allocations: 8 kB / 0.77 GB, free: 13.35 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005066/0.5889, allocations: 230.2 kB / 0.7702 GB, free: 13.12 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000319/0.5893, allocations: 91.81 kB / 0.7703 GB, free: 13.04 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003635/0.5929, allocations: 3.288 MB / 0.7735 GB, free: 9.609 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007714/0.5937, allocations: 72.31 kB / 0.7735 GB, free: 9.539 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.507e-05/0.5937, allocations: 20 kB / 0.7736 GB, free: 9.52 MB / 0.6075 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 0.0001813/0.5939, allocations: 221.3 kB / 0.7738 GB, free: 9.297 MB / 0.6075 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001253/0.5941, allocations: 106.7 kB / 0.7739 GB, free: 9.191 MB / 0.6075 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001297/0.5954, allocations: 0.7695 MB / 0.7746 GB, free: 8.41 MB / 0.6075 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.92e-06/0.5954, allocations: 7.938 kB / 0.7746 GB, free: 8.402 MB / 0.6075 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.024e-06/0.5954, allocations: 0 / 0.7746 GB, free: 8.402 MB / 0.6075 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.909e-06/0.5954, allocations: 4.188 kB / 0.7746 GB, free: 8.398 MB / 0.6075 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002324/0.5977, allocations: 1.744 MB / 0.7763 GB, free: 6.574 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.829e-06/0.5977, allocations: 4 kB / 0.7763 GB, free: 6.57 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002375/0.598, allocations: 44.16 kB / 0.7764 GB, free: 6.527 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004907/0.5985, allocations: 262.7 kB / 0.7766 GB, free: 6.27 MB / 0.6075 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.455e-05/0.5985, allocations: 15.98 kB / 0.7767 GB, free: 6.254 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0009435/0.5995, allocations: 1.036 MB / 0.7777 GB, free: 5.191 MB / 0.6075 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.307e-06/0.5995, allocations: 3.984 kB / 0.7777 GB, free: 5.188 MB / 0.6075 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001232/0.6007, allocations: 0.8945 MB / 0.7785 GB, free: 4.254 MB / 0.6075 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002787/0.601, allocations: 219.8 kB / 0.7788 GB, free: 4.02 MB / 0.6075 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001081/0.6011, allocations: 11.98 kB / 0.7788 GB, free: 4.008 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005343/0.6017, allocations: 35.95 kB / 0.7788 GB, free: 3.973 MB / 0.6075 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.457e-05/0.6018, allocations: 35.84 kB / 0.7788 GB, free: 3.938 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.159e-05/0.6018, allocations: 15.98 kB / 0.7788 GB, free: 3.922 MB / 0.6075 GB Notification: Performance of sorting global known variables: time 0.0009109/0.6027, allocations: 0.8119 MB / 0.7796 GB, free: 3.102 MB / 0.6075 GB Notification: Performance of sort global known variables: time 1.21e-07/0.6027, allocations: 0 / 0.7796 GB, free: 3.102 MB / 0.6075 GB Notification: Performance of remove unused functions: time 0.001112/0.6038, allocations: 467.4 kB / 0.7801 GB, free: 2.645 MB / 0.6075 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 0.0003571/0.6042, allocations: 171.9 kB / 0.7802 GB, free: 2.477 MB / 0.6075 GB Notification: Performance of simCode: created initialization part: time 0.002514/0.6067, allocations: 1.296 MB / 0.7815 GB, free: 1.145 MB / 0.6075 GB Notification: Performance of simCode: created event and clocks part: time 3.086e-06/0.6067, allocations: 0 / 0.7815 GB, free: 1.145 MB / 0.6075 GB Notification: Performance of simCode: created simulation system equations: time 0.0006628/0.6074, allocations: 308.1 kB / 0.7818 GB, free: 0.8438 MB / 0.6075 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002036/0.6095, allocations: 0.5014 MB / 0.7823 GB, free: 376 kB / 0.6075 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002637/0.6121, allocations: 1.9 MB / 0.7842 GB, free: 14.42 MB / 0.6231 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007212/0.6129, allocations: 1.177 MB / 0.7853 GB, free: 13.21 MB / 0.6231 GB Notification: Performance of simCode: alias equations: time 0.0008445/0.6137, allocations: 328.2 kB / 0.7856 GB, free: 12.89 MB / 0.6231 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001222/0.6138, allocations: 67.42 kB / 0.7857 GB, free: 12.82 MB / 0.6231 GB Notification: Performance of SimCode: time 9.02e-07/0.6138, allocations: 4 kB / 0.7857 GB, free: 12.82 MB / 0.6231 GB Notification: Performance of Templates: time 0.03053/0.6444, allocations: 20.69 MB / 0.8059 GB, free: 8.402 MB / 0.6387 GB make -j1 -f IDEAS_IDEAS.Fluid.Examples.Performance.PressureDrop.ParallelFlow.makefile (rm -f IDEAS_IDEAS.Fluid.Examples.Performance.PressureDrop.ParallelFlow.pipe ; mkfifo IDEAS_IDEAS.Fluid.Examples.Performance.PressureDrop.ParallelFlow.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.Examples.Performance.PressureDrop.ParallelFlow.pipe >> ../files/IDEAS_IDEAS.Fluid.Examples.Performance.PressureDrop.ParallelFlow.sim & ./IDEAS_IDEAS.Fluid.Examples.Performance.PressureDrop.ParallelFlow -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_IDEAS.Fluid.Examples.Performance.PressureDrop.ParallelFlow.pipe 2>&1)