Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.Examples.FlowSystem.Simplified2.conf.json 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/IDEAS 3.0.0-master/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/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/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 IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/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) Running command: "" <> buildModelFMU(IDEAS.Fluid.Examples.FlowSystem.Simplified2,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_Examples_FlowSystem_Simplified2",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.Examples.FlowSystem.Simplified2,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_Examples_FlowSystem_Simplified2",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001592/0.001593, allocations: 180.9 kB / 7.651 MB, free: 1.422 MB / 5.871 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 1.191/1.191, allocations: 133.6 MB / 141.6 MB, free: 2.883 MB / 106.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 2.677/2.677, allocations: 221.5 MB / 395.4 MB, free: 10.77 MB / 330.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001402/0.001403, allocations: 98.53 kB / 478.2 MB, free: 1.316 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.524e-05/3.544e-05, allocations: 4 kB / 0.5535 GB, free: 8.965 MB / 442.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.833/0.833, allocations: 82.3 MB / 0.6339 GB, free: 40.77 MB / 458.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 1.477/2.31, allocations: 423.5 MB / 1.047 GB, free: 10.37 MB / 0.6823 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003345/2.31, allocations: 99.94 kB / 1.048 GB, free: 10.32 MB / 0.6823 GB Notification: Performance of FrontEnd - DAE generated: time 68.61/70.92, allocations: 8.716 GB / 9.763 GB, free: 73.69 MB / 0.948 GB Notification: Performance of FrontEnd: time 3.106e-06/70.92, allocations: 0 / 9.763 GB, free: 73.69 MB / 0.948 GB Notification: Performance of Transformations before backend: time 0.006529/70.93, allocations: 437 kB / 9.764 GB, free: 73.59 MB / 0.948 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2029 * Number of variables: 2029 Notification: Performance of Generate backend data structure: time 0.1069/71.03, allocations: 13.5 MB / 9.777 GB, free: 67.63 MB / 0.948 GB Notification: Performance of prepare preOptimizeDAE: time 7.543e-05/71.03, allocations: 10.41 kB / 9.777 GB, free: 67.63 MB / 0.948 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02783/71.06, allocations: 2.197 MB / 9.779 GB, free: 66.65 MB / 0.948 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.1238/71.18, allocations: 21.54 MB / 9.8 GB, free: 63.9 MB / 0.948 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001177/71.19, allocations: 250.8 kB / 9.8 GB, free: 63.9 MB / 0.948 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.009739/71.2, allocations: 0.5918 MB / 9.801 GB, free: 63.89 MB / 0.948 GB Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.06599/71.26, allocations: 19.63 MB / 9.82 GB, free: 63.86 MB / 0.948 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.07815/71.34, allocations: 14.43 MB / 9.834 GB, free: 62.06 MB / 0.948 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.001014/71.34, allocations: 19.12 kB / 9.834 GB, free: 62.05 MB / 0.948 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.007036/71.35, allocations: 15.53 kB / 9.834 GB, free: 62.04 MB / 0.948 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006953/71.35, allocations: 362.5 kB / 9.835 GB, free: 62.01 MB / 0.948 GB Warning: The model contains alias variables with conflicting start and/or 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 2.063/73.41, allocations: 78.29 MB / 9.911 GB, free: 83 MB / 0.948 GB Notification: Performance of preOpt comSubExp (simulation): time 0.03653/73.45, allocations: 12.65 MB / 9.923 GB, free: 82.64 MB / 0.948 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.02765/73.48, allocations: 9.43 MB / 9.933 GB, free: 82.59 MB / 0.948 GB Warning: The model contains alias variables with conflicting start and/or 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 0.1438/73.62, allocations: 33.72 MB / 9.965 GB, free: 74.23 MB / 0.948 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.03473/73.65, allocations: 9.097 MB / 9.974 GB, free: 74.08 MB / 0.948 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0818/73.74, allocations: 14.92 MB / 9.989 GB, free: 74.08 MB / 0.948 GB Notification: Performance of pre-optimization done (n=614): time 0.0001767/73.74, allocations: 0 / 9.989 GB, free: 74.08 MB / 0.948 GB Notification: Performance of matching and sorting (n=616): time 1.042/74.78, allocations: 139.3 MB / 10.12 GB, free: 69.9 MB / 0.948 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001316/74.78, allocations: 120.2 kB / 10.13 GB, free: 69.83 MB / 0.948 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.06166/74.84, allocations: 13.38 MB / 10.14 GB, free: 69.1 MB / 0.948 GB Notification: Performance of collectPreVariables (initialization): time 0.00636/74.85, allocations: 40.36 kB / 10.14 GB, free: 69.07 MB / 0.948 GB Notification: Performance of collectInitialEqns (initialization): time 0.01932/74.87, allocations: 7.296 MB / 10.15 GB, free: 67.86 MB / 0.948 GB Notification: Performance of collectInitialBindings (initialization): time 0.008826/74.88, allocations: 2.101 MB / 10.15 GB, free: 66.77 MB / 0.948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.005781/74.88, allocations: 0 / 10.15 GB, free: 66.77 MB / 0.948 GB Notification: Performance of setup shared object (initialization): time 0.001651/74.88, allocations: 0.6425 MB / 10.15 GB, free: 66.44 MB / 0.948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.02392/74.91, allocations: 8.012 MB / 10.16 GB, free: 66.41 MB / 0.948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.02802/74.94, allocations: 10.76 MB / 10.17 GB, free: 63.21 MB / 0.948 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.03521/74.97, allocations: 9.354 MB / 10.18 GB, free: 61.06 MB / 0.948 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0002574/74.97, allocations: 12 kB / 10.18 GB, free: 61.05 MB / 0.948 GB Notification: Performance of matching and sorting (n=1100) (initialization): time 2.789/77.76, allocations: 123.3 MB / 10.3 GB, free: 80.7 MB / 0.9636 GB Notification: Performance of prepare postOptimizeDAE: time 0.01439/77.77, allocations: 35.28 MB / 10.33 GB, free: 59.78 MB / 0.9792 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0004456/77.78, allocations: 53.48 kB / 10.33 GB, free: 59.78 MB / 0.9792 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.056/78.83, allocations: 143.4 MB / 10.47 GB, free: 58.62 MB / 0.9792 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02293/78.85, allocations: 2.658 MB / 10.47 GB, free: 58.61 MB / 0.9792 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.2456/79.1, allocations: 67.28 MB / 10.54 GB, free: 51.37 MB / 0.9792 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.04237/79.14, allocations: 1.043 MB / 10.54 GB, free: 50.97 MB / 0.9792 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.008871/79.15, allocations: 0.7957 MB / 10.54 GB, free: 50.71 MB / 0.9792 GB Notification: Performance of prepare postOptimizeDAE: time 3.056e-05/79.15, allocations: 5.656 kB / 10.54 GB, free: 50.71 MB / 0.9792 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 2.791/81.94, allocations: 120.7 MB / 10.66 GB, free: 116.7 MB / 1.01 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.000959/81.94, allocations: 52.06 kB / 10.66 GB, free: 116.7 MB / 1.01 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.112/83.06, allocations: 143.4 MB / 10.8 GB, free: 116.3 MB / 1.01 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0224/83.08, allocations: 2.628 MB / 10.8 GB, free: 116.3 MB / 1.01 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.2461/83.32, allocations: 69.41 MB / 10.87 GB, free: 112.5 MB / 1.01 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.02961/83.35, allocations: 1.016 MB / 10.87 GB, free: 112.4 MB / 1.01 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005877/83.36, allocations: 0.7516 MB / 10.87 GB, free: 112.4 MB / 1.01 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 231 * Number of states: 0 () * Number of discrete variables: 10 ($whenCondition1,$whenCondition2,booleanToInteger.u,booleanToInteger.y,$PRE.stepPump.pulseStart,stepPump.pulseStart,$PRE.stepValve.T_start,stepValve.T_start,$PRE.stepValve.count,stepValve.count) * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (905): * Single equations (assignments): 891 * Array equations: 4 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 7 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 0 * Non-linear Jacobian: 7 {1,1,1,1,1,1,1} * Without analytic Jacobian: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(28,89.3%) 28} * Non-linear torn systems: 1 {14 90} Notification: Performance of prepare postOptimizeDAE: time 0.009397/83.37, allocations: 310.4 kB / 10.87 GB, free: 112.3 MB / 1.01 GB Notification: Performance of postOpt createAliasVarsForOutputStates (simulation): time 1.045/84.41, allocations: 118.8 MB / 10.99 GB, free: 17.77 MB / 1.01 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.01708/84.43, allocations: 1.396 MB / 10.99 GB, free: 17.13 MB / 1.01 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 2.074/86.51, allocations: 43.84 MB / 11.03 GB, free: 119.2 MB / 1.01 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.0002331/86.51, allocations: 75.5 kB / 11.03 GB, free: 119.2 MB / 1.01 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001283/86.51, allocations: 29.56 kB / 11.03 GB, free: 119.2 MB / 1.01 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2066/86.71, allocations: 38.7 MB / 11.07 GB, free: 118.6 MB / 1.01 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.4016/87.11, allocations: 58.83 MB / 11.13 GB, free: 114.7 MB / 1.01 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0002631/87.11, allocations: 3.469 kB / 11.13 GB, free: 114.7 MB / 1.01 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01547/87.13, allocations: 1.19 MB / 11.13 GB, free: 114.6 MB / 1.01 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.3294/87.46, allocations: 40.74 MB / 11.17 GB, free: 114.6 MB / 1.01 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004327/87.46, allocations: 154.7 kB / 11.17 GB, free: 114.6 MB / 1.01 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1114/87.58, allocations: 27.51 MB / 11.19 GB, free: 108.7 MB / 1.01 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.954e-05/87.58, allocations: 5.5 kB / 11.19 GB, free: 108.7 MB / 1.01 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.3562/87.93, allocations: 49.26 MB / 11.24 GB, free: 99.65 MB / 1.01 GB Notification: Performance of postOpt removeConstants (simulation): time 0.02364/87.96, allocations: 3.282 MB / 11.25 GB, free: 98.48 MB / 1.01 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.01174/87.97, allocations: 73.72 kB / 11.25 GB, free: 98.45 MB / 1.01 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0326/88, allocations: 0.8554 MB / 11.25 GB, free: 97.99 MB / 1.01 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.005049/88.01, allocations: 446.9 kB / 11.25 GB, free: 97.77 MB / 1.01 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.003647/88.01, allocations: 271.7 kB / 11.25 GB, free: 97.6 MB / 1.01 GB Notification: Performance of sorting global known variables: time 0.04434/88.05, allocations: 10.06 MB / 11.26 GB, free: 92.22 MB / 1.01 GB Notification: Performance of sort global known variables: time 1.523e-06/88.05, allocations: 0.875 kB / 11.26 GB, free: 92.22 MB / 1.01 GB Notification: Performance of remove unused functions: time 0.09059/88.14, allocations: 7.904 MB / 11.26 GB, free: 84.86 MB / 1.01 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 (pmpSouth.vol.dynBal.U,pmpSouth.filter.s[1],pmpSouth.filter.s[2],pmpNorth.vol.dynBal.U,pmpNorth.filter.s[1],pmpNorth.filter.s[2],valSouth1[1].filter.s[1],valSouth1[1].filter.s[2],valSouth1[2].filter.s[1],valSouth1[2].filter.s[2],valSouth1[3].filter.s[1],valSouth1[3].filter.s[2],valSouth1[4].filter.s[1],valSouth1[4].filter.s[2],valSouth2[1].filter.s[1],valSouth2[1].filter.s[2],valSouth2[2].filter.s[1],valSouth2[2].filter.s[2],valSouth2[3].filter.s[1],valSouth2[3].filter.s[2],valSouth2[4].filter.s[1],valSouth2[4].filter.s[2],valSouth2[5].filter.s[1],valSouth2[5].filter.s[2],valSouth2[6].filter.s[1],valSouth2[6].filter.s[2],valSouth2[7].filter.s[1],valSouth2[7].filter.s[2],valSouth2[8].filter.s[1],valSouth2[8].filter.s[2],valNorth1[1].filter.s[1],valNorth1[1].filter.s[2],valNorth1[2].filter.s[1],valNorth1[2].filter.s[2],valNorth1[3].filter.s[1],valNorth1[3].filter.s[2],valNorth1[4].filter.s[1],valNorth1[4].filter.s[2],valNorth2[1].filter.s[1],valNorth2[1].filter.s[2],valNorth2[2].filter.s[1],valNorth2[2].filter.s[2],valNorth2[3].filter.s[1],valNorth2[3].filter.s[2],valNorth2[4].filter.s[1],valNorth2[4].filter.s[2],valNorth2[5].filter.s[1],valNorth2[5].filter.s[2],valNorth2[6].filter.s[1],valNorth2[6].filter.s[2],valNorth2[7].filter.s[1],valNorth2[7].filter.s[2],valNorth2[8].filter.s[1],valNorth2[8].filter.s[2],valSouth.vol.dynBal.U,valSouth.filter.s[1],valSouth.filter.s[2],valNorth.vol.dynBal.U,valNorth.filter.s[1],valNorth.filter.s[2],spl.vol.dynBal.U,spl1.vol.dynBal.U,pumpHea.vol.dynBal.U,pumpHea.filter.s[1],pumpHea.filter.s[2],valHea.filter.s[1],valHea.filter.s[2],valCoo.filter.s[1],valCoo.filter.s[2],spl2.vol.dynBal.U,spl3.vol.dynBal.U,pumpCoo.vol.dynBal.U,pumpCoo.filter.s[1],pumpCoo.filter.s[2]) * Number of discrete variables: 7 ($whenCondition2,$whenCondition1,booleanToInteger.u,booleanToInteger.y,stepPump.pulseStart,stepValve.T_start,stepValve.count) * Number of discrete states: 1 (stepValve.count) * Top-level inputs: 0 Notification: Strong component statistics for simulation (559): * Single equations (assignments): 537 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 10 * When equations: 3 * If-equations: 0 * Equation systems (linear and non-linear blocks): 7 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 0 * Non-linear Jacobian: 7 {1,1,1,1,1,1,1} * Without analytic Jacobian: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(28,89.3%) 28} * Non-linear torn systems: 1 {14 90} Notification: Performance of Backend phase and start with SimCode phase: time 0.3552/88.5, allocations: 54.3 MB / 11.32 GB, free: 52.8 MB / 1.01 GB Notification: Performance of simCode: created initialization part: time 0.1266/88.63, allocations: 32.91 MB / 11.35 GB, free: 31.19 MB / 1.01 GB Notification: Performance of simCode: created event and clocks part: time 2.242e-05/88.63, allocations: 2.156 kB / 11.35 GB, free: 31.19 MB / 1.01 GB Notification: Performance of simCode: created simulation system equations: time 0.02718/88.65, allocations: 8.491 MB / 11.36 GB, free: 23.44 MB / 1.01 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.06402/88.72, allocations: 7.284 MB / 11.37 GB, free: 19.15 MB / 1.01 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 3.196/91.91, allocations: 30.31 MB / 11.4 GB, free: 122.6 MB / 1.011 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.02471/91.94, allocations: 8.545 MB / 11.4 GB, free: 121.5 MB / 1.011 GB Notification: Performance of simCode: alias equations: time 0.0617/92, allocations: 8.037 MB / 11.41 GB, free: 121.4 MB / 1.011 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.03059/92.03, allocations: 6.92 MB / 11.42 GB, free: 121.4 MB / 1.011 GB Notification: Performance of SimCode: time 3.387e-06/92.03, allocations: 0 / 11.42 GB, free: 121.4 MB / 1.011 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 2.728/94.76, allocations: 0.5325 GB / 11.95 GB, free: 123.2 MB / 1.026 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002791/94.76, allocations: 166.9 kB / 11.95 GB, free: 123 MB / 1.026 GB Notification: Performance of buildModelFMU: Generate platform static: time 69.58/164.3, allocations: 0 / 11.95 GB, free: 123 MB / 1.026 GB (rm -f IDEAS_dev_IDEAS.Fluid.Examples.FlowSystem.Simplified2.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.Examples.FlowSystem.Simplified2.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.Examples.FlowSystem.Simplified2.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.Examples.FlowSystem.Simplified2.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_IDEAS_dev_IDEAS_Fluid_Examples_FlowSystem_Simplified2_fmu --startTime=0 --stopTime=1000 --timeout=50 --tolerance=1e-06 IDEAS_dev_IDEAS_Fluid_Examples_FlowSystem_Simplified2.fmu > IDEAS_dev_IDEAS.Fluid.Examples.FlowSystem.Simplified2.pipe 2>&1)