Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.Examples.FlowSystem.Simplified4.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: translateModel(IDEAS.Fluid.Examples.FlowSystem.Simplified4,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.Examples.FlowSystem.Simplified4") translateModel(IDEAS.Fluid.Examples.FlowSystem.Simplified4,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.Examples.FlowSystem.Simplified4") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008459/0.0008458, allocations: 90.91 kB / 15.36 MB, free: 0.7383 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.005961/0.005961, allocations: 171.7 kB / 16.26 MB, free: 6.613 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.39/1.39, allocations: 223.3 MB / 240.3 MB, free: 5.348 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.9483/0.9483, allocations: 135.3 MB / 426.7 MB, free: 14.37 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0003511/0.0003512, allocations: 8.875 kB / 0.5076 GB, free: 4.781 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1765/0.1768, allocations: 82.3 MB / 0.588 GB, free: 2.648 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Examples.FlowSystem.Simplified4): time 0.9787/1.156, allocations: 348 MB / 0.9278 GB, free: 49.57 MB / 0.67 GB Notification: Performance of NFInst.instExpressions: time 0.08784/1.243, allocations: 72.29 MB / 0.9984 GB, free: 39.97 MB / 0.67 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01672/1.26, allocations: 378 kB / 0.9988 GB, free: 39.89 MB / 0.67 GB Notification: Performance of NFTyping.typeComponents: time 0.016/1.276, allocations: 4.341 MB / 1.003 GB, free: 36.71 MB / 0.67 GB Notification: Performance of NFTyping.typeBindings: time 0.0336/1.31, allocations: 12.12 MB / 1.015 GB, free: 28.9 MB / 0.67 GB Notification: Performance of NFTyping.typeClassSections: time 0.02311/1.333, allocations: 8.577 MB / 1.023 GB, free: 23.63 MB / 0.67 GB Notification: Performance of NFFlatten.flatten: time 0.04811/1.381, allocations: 44.96 MB / 1.067 GB, free: 14.05 MB / 0.7012 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02622/1.407, allocations: 16.07 MB / 1.083 GB, free: 14.5 MB / 0.7169 GB Notification: Performance of NFEvalConstants.evaluate: time 0.03073/1.438, allocations: 13.36 MB / 1.096 GB, free: 1.777 MB / 0.7169 GB Notification: Performance of NFSimplifyModel.simplify: time 0.02588/1.464, allocations: 14.17 MB / 1.11 GB, free: 4.668 MB / 0.7325 GB Notification: Performance of NFPackage.collectConstants: time 0.007234/1.471, allocations: 0.9922 MB / 1.111 GB, free: 3.676 MB / 0.7325 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01823/1.49, allocations: 4.851 MB / 1.115 GB, free: 15.07 MB / 0.7481 GB Notification: Performance of NFScalarize.scalarize: time 0.007893/1.497, allocations: 4.343 MB / 1.12 GB, free: 10.93 MB / 0.7481 GB Notification: Performance of NFVerifyModel.verify: time 0.02196/1.519, allocations: 8.475 MB / 1.128 GB, free: 2.625 MB / 0.7481 GB Notification: Performance of NFConvertDAE.convert: time 0.04191/1.561, allocations: 24.83 MB / 1.152 GB, free: 10.8 MB / 0.7794 GB Notification: Performance of FrontEnd - DAE generated: time 6.783e-06/1.561, allocations: 8 kB / 1.152 GB, free: 10.79 MB / 0.7794 GB Notification: Performance of FrontEnd: time 3.136e-06/1.561, allocations: 0 / 1.152 GB, free: 10.79 MB / 0.7794 GB Notification: Performance of Transformations before backend: time 0.0009809/1.562, allocations: 0 / 1.152 GB, free: 10.79 MB / 0.7794 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1775 * Number of variables: 1775 Notification: Performance of Generate backend data structure: time 0.6766/2.239, allocations: 18.13 MB / 1.17 GB, free: 304.9 MB / 0.7794 GB Notification: Performance of prepare preOptimizeDAE: time 4.794e-05/2.239, allocations: 14.66 kB / 1.17 GB, free: 304.9 MB / 0.7794 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01185/2.251, allocations: 2.309 MB / 1.172 GB, free: 304 MB / 0.7794 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.03071/2.282, allocations: 14.03 MB / 1.186 GB, free: 298.7 MB / 0.7794 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001655/2.283, allocations: 0.7279 MB / 1.187 GB, free: 298.5 MB / 0.7794 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00527/2.289, allocations: 0.7807 MB / 1.187 GB, free: 298.2 MB / 0.7794 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03616/2.325, allocations: 14.96 MB / 1.202 GB, free: 292.7 MB / 0.7794 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0003002/2.325, allocations: 9.172 kB / 1.202 GB, free: 292.7 MB / 0.7794 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003179/2.328, allocations: 285.6 kB / 1.202 GB, free: 292.5 MB / 0.7794 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000254/2.329, allocations: 183.3 kB / 1.202 GB, free: 292.5 MB / 0.7794 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04507/2.374, allocations: 19.42 MB / 1.221 GB, free: 286.2 MB / 0.7794 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 0.1209/2.495, allocations: 77.6 MB / 1.297 GB, free: 212.7 MB / 0.7794 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01682/2.512, allocations: 10.64 MB / 1.308 GB, free: 202.3 MB / 0.7794 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01439/2.526, allocations: 9.097 MB / 1.316 GB, free: 193.3 MB / 0.7794 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 evalFunc (simulation): time 0.06532/2.591, allocations: 32.73 MB / 1.348 GB, free: 160.2 MB / 0.7794 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01548/2.607, allocations: 8.868 MB / 1.357 GB, free: 151.3 MB / 0.7794 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02874/2.636, allocations: 9.839 MB / 1.367 GB, free: 141.8 MB / 0.7794 GB Notification: Performance of pre-optimization done (n=421): time 3.668e-05/2.636, allocations: 0 / 1.367 GB, free: 141.8 MB / 0.7794 GB Notification: Performance of matching and sorting (n=605): time 1.262/3.898, allocations: 197.7 MB / 1.56 GB, free: 267.7 MB / 0.7794 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001052/3.898, allocations: 117.5 kB / 1.56 GB, free: 267.6 MB / 0.7794 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02265/3.921, allocations: 13.33 MB / 1.573 GB, free: 261.1 MB / 0.7794 GB Notification: Performance of collectPreVariables (initialization): time 0.003459/3.925, allocations: 179.5 kB / 1.573 GB, free: 260.9 MB / 0.7794 GB Notification: Performance of collectInitialEqns (initialization): time 0.006526/3.931, allocations: 6.536 MB / 1.579 GB, free: 256.5 MB / 0.7794 GB Notification: Performance of collectInitialBindings (initialization): time 0.005108/3.936, allocations: 2.048 MB / 1.581 GB, free: 256.1 MB / 0.7794 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.003279/3.94, allocations: 0.7137 MB / 1.582 GB, free: 255.6 MB / 0.7794 GB Notification: Performance of setup shared object (initialization): time 5.475e-05/3.94, allocations: 303.8 kB / 1.582 GB, free: 255.3 MB / 0.7794 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01862/3.958, allocations: 10.08 MB / 1.592 GB, free: 249.8 MB / 0.7794 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0212/3.98, allocations: 12.52 MB / 1.604 GB, free: 241.3 MB / 0.7794 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.04034/4.02, allocations: 22.32 MB / 1.626 GB, free: 222.1 MB / 0.7794 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.499e-05/4.02, allocations: 12 kB / 1.626 GB, free: 222.1 MB / 0.7794 GB Notification: Performance of matching and sorting (n=1029) (initialization): time 0.6303/4.65, allocations: 125.5 MB / 1.749 GB, free: 96.84 MB / 0.7794 GB Notification: Performance of prepare postOptimizeDAE: time 0.000829/4.651, allocations: 1.738 MB / 1.751 GB, free: 94.35 MB / 0.7794 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.452e-05/4.651, allocations: 52 kB / 1.751 GB, free: 94.3 MB / 0.7794 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.9968/5.648, allocations: 143.6 MB / 1.891 GB, free: 250.1 MB / 0.7794 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01161/5.66, allocations: 2.064 MB / 1.893 GB, free: 249.6 MB / 0.7794 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1396/5.799, allocations: 78.82 MB / 1.97 GB, free: 179.4 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.02092/5.82, allocations: 1.247 MB / 1.971 GB, free: 178.2 MB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.004486/5.825, allocations: 0.784 MB / 1.972 GB, free: 177.4 MB / 0.7794 GB Notification: Performance of prepare postOptimizeDAE: time 1.489e-05/5.825, allocations: 5.094 kB / 1.972 GB, free: 177.4 MB / 0.7794 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.6068/6.432, allocations: 122.9 MB / 2.092 GB, free: 54.34 MB / 0.7794 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001427/6.432, allocations: 52 kB / 2.092 GB, free: 54.29 MB / 0.7794 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.002/7.433, allocations: 143.3 MB / 2.232 GB, free: 221.1 MB / 0.7794 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0102/7.444, allocations: 2.047 MB / 2.234 GB, free: 219.2 MB / 0.7794 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1478/7.592, allocations: 83.18 MB / 2.315 GB, free: 136.5 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01799/7.61, allocations: 1.223 MB / 2.316 GB, free: 135.4 MB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.002984/7.613, allocations: 0.7563 MB / 2.317 GB, free: 134.6 MB / 0.7794 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 237 * Number of states: 0 () * Number of discrete variables: 10 ($whenCondition1,stepValve.count,$PRE.stepValve.count,stepValve.T_start,$PRE.stepValve.T_start,pumpHea.stage,stepPump.pulseStart,$PRE.stepPump.pulseStart,stepPump.y,$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (769): * Single equations (assignments): 755 * Array equations: 4 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 6 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 6 systems {1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(28,28,89.3%)} * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(5,80), (5,80)} Notification: Performance of prepare postOptimizeDAE: time 0.008755/7.621, allocations: 3.36 MB / 2.32 GB, free: 131.3 MB / 0.7794 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.004832/7.626, allocations: 1.292 MB / 2.322 GB, free: 130.7 MB / 0.7794 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2072/7.833, allocations: 49.38 MB / 2.37 GB, free: 81.34 MB / 0.7794 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.000123/7.834, allocations: 75.98 kB / 2.37 GB, free: 81.27 MB / 0.7794 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.665e-05/7.834, allocations: 28 kB / 2.37 GB, free: 81.24 MB / 0.7794 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.1892/8.023, allocations: 43.76 MB / 2.413 GB, free: 37.38 MB / 0.7794 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 0.6041/8.627, allocations: 64.33 MB / 2.475 GB, free: 238 MB / 0.7794 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.394e-05/8.627, allocations: 6.688 kB / 2.475 GB, free: 238 MB / 0.7794 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.007709/8.635, allocations: 1.394 MB / 2.477 GB, free: 237.9 MB / 0.7794 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.2007/8.836, allocations: 42.79 MB / 2.519 GB, free: 233.6 MB / 0.7794 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.00186/8.837, allocations: 202.1 kB / 2.519 GB, free: 233.4 MB / 0.7794 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.06263/8.9, allocations: 35.6 MB / 2.554 GB, free: 203.6 MB / 0.7794 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.644e-06/8.9, allocations: 10.34 kB / 2.554 GB, free: 203.6 MB / 0.7794 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2082/9.108, allocations: 56.49 MB / 2.609 GB, free: 147.9 MB / 0.7794 GB Notification: Performance of postOpt removeConstants (simulation): time 0.009678/9.118, allocations: 2.879 MB / 2.612 GB, free: 145.8 MB / 0.7794 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.00492/9.123, allocations: 128 kB / 2.612 GB, free: 145.7 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.01561/9.139, allocations: 1.066 MB / 2.613 GB, free: 144.7 MB / 0.7794 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.002991/9.142, allocations: 493.5 kB / 2.613 GB, free: 144.2 MB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.001054/9.143, allocations: 303.8 kB / 2.613 GB, free: 143.9 MB / 0.7794 GB Notification: Performance of sorting global known variables: time 0.01722/9.16, allocations: 9.058 MB / 2.622 GB, free: 135 MB / 0.7794 GB Notification: Performance of sort global known variables: time 2.976e-06/9.16, allocations: 0 / 2.622 GB, free: 135 MB / 0.7794 GB Notification: Performance of remove unused functions: time 0.04608/9.206, allocations: 7.332 MB / 2.629 GB, free: 127.8 MB / 0.7794 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 27 * Number of states: 8 (valSouth.vol.dynBal.U,valNorth.vol.dynBal.U,spl.vol.dynBal.U,spl1.vol.dynBal.U,pumpHea.vol.dynBal.U,spl2.vol.dynBal.U,spl3.vol.dynBal.U,pumpCoo.vol.dynBal.U) * Number of discrete variables: 7 ($whenCondition2,$whenCondition1,stepPump.y,stepPump.pulseStart,pumpHea.stage,stepValve.T_start,stepValve.count) * Number of discrete states: 1 (stepValve.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (541): * Single equations (assignments): 519 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 10 * When equations: 3 * If-equations: 0 * Equation systems (not torn): 5 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 5 systems {1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(28,28,89.3%)} * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(9,78), (5,80), (1,1)} Notification: Performance of Backend phase and start with SimCode phase: time 0.00553/9.212, allocations: 1.613 MB / 2.631 GB, free: 126.5 MB / 0.7794 GB Notification: Performance of simCode: created initialization part: time 0.08676/9.298, allocations: 38.47 MB / 2.669 GB, free: 88.29 MB / 0.7794 GB Notification: Performance of simCode: created event and clocks part: time 1.503e-05/9.298, allocations: 3.938 kB / 2.669 GB, free: 88.29 MB / 0.7794 GB Notification: Performance of simCode: created simulation system equations: time 0.02589/9.324, allocations: 10.69 MB / 2.679 GB, free: 77.68 MB / 0.7794 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.06206/9.386, allocations: 6.817 MB / 2.686 GB, free: 71.4 MB / 0.7794 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.06565/9.452, allocations: 34.79 MB / 2.72 GB, free: 36.78 MB / 0.7794 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00945/9.462, allocations: 7.605 MB / 2.727 GB, free: 29.12 MB / 0.7794 GB Notification: Performance of simCode: alias equations: time 0.01952/9.481, allocations: 4.057 MB / 2.731 GB, free: 25.06 MB / 0.7794 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00557/9.487, allocations: 1.042 MB / 2.732 GB, free: 24.02 MB / 0.7794 GB Notification: Performance of SimCode: time 1.443e-06/9.487, allocations: 4 kB / 2.732 GB, free: 24.01 MB / 0.7794 GB Notification: Performance of Templates: time 1.314/10.8, allocations: 409.9 MB / 3.132 GB, free: 203.3 MB / 0.7794 GB make -j1 -f IDEAS_dev_IDEAS.Fluid.Examples.FlowSystem.Simplified4.makefile (rm -f IDEAS_dev_IDEAS.Fluid.Examples.FlowSystem.Simplified4.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.Examples.FlowSystem.Simplified4.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.Examples.FlowSystem.Simplified4.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.Examples.FlowSystem.Simplified4.sim & ./IDEAS_dev_IDEAS.Fluid.Examples.FlowSystem.Simplified4 -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_dev_IDEAS.Fluid.Examples.FlowSystem.Simplified4.pipe 2>&1)