Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Fluid.Examples.FlowSystem.Simplified2.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+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/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/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 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) 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) Running command: "" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Simplified2,fileNamePrefix="Buildings_8_Buildings_Fluid_Examples_FlowSystem_Simplified2",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Simplified2,fileNamePrefix="Buildings_8_Buildings_Fluid_Examples_FlowSystem_Simplified2",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.79/1.79, allocations: 289.7 MB / 302.2 MB, free: 2.176 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001301/0.001302, allocations: 183.1 kB / 371.6 MB, free: 3.406 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.696/1.696, allocations: 205.2 MB / 0.6309 GB, free: 11.76 MB / 474.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001251/0.001251, allocations: 92.06 kB / 0.745 GB, free: 54.52 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 3.681e-05/3.685e-05, allocations: 4 kB / 0.8663 GB, free: 15.01 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2589/0.2589, allocations: 116.3 MB / 0.9799 GB, free: 10.55 MB / 0.7136 GB Notification: Performance of FrontEnd - scodeFlatten: time 1.772/2.031, allocations: 465.1 MB / 1.434 GB, free: 256.6 MB / 0.948 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002797/2.031, allocations: 92.36 kB / 1.434 GB, free: 256.6 MB / 0.948 GB Notification: Performance of FrontEnd - DAE generated: time 37.38/39.41, allocations: 8.698 GB / 10.13 GB, free: 77.7 MB / 1.214 GB Notification: Performance of FrontEnd: time 2.394e-06/39.41, allocations: 0 / 10.13 GB, free: 77.7 MB / 1.214 GB Notification: Performance of Transformations before backend: time 0.004792/39.42, allocations: 0.5121 MB / 10.13 GB, free: 77.59 MB / 1.214 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2061 * Number of variables: 2061 Notification: Performance of Generate backend data structure: time 0.06588/39.48, allocations: 14.15 MB / 10.15 GB, free: 71.43 MB / 1.214 GB Notification: Performance of prepare preOptimizeDAE: time 6.113e-05/39.48, allocations: 10.62 kB / 10.15 GB, free: 71.43 MB / 1.214 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.007065/39.49, allocations: 1.058 MB / 10.15 GB, free: 71.34 MB / 1.214 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01857/39.51, allocations: 2.307 MB / 10.15 GB, free: 70.3 MB / 1.214 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0841/39.59, allocations: 23.25 MB / 10.17 GB, free: 67.37 MB / 1.214 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001522/39.6, allocations: 0.7139 MB / 10.17 GB, free: 67.35 MB / 1.214 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.007903/39.6, allocations: 1.018 MB / 10.17 GB, free: 67.33 MB / 1.214 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.05214/39.66, allocations: 16.63 MB / 10.19 GB, free: 65.34 MB / 1.214 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0007829/39.66, allocations: 20.44 kB / 10.19 GB, free: 65.33 MB / 1.214 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.006214/39.66, allocations: 362 kB / 10.19 GB, free: 65.33 MB / 1.214 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003239/39.66, allocations: 208.4 kB / 10.19 GB, free: 65.33 MB / 1.214 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04154/39.7, allocations: 19.46 MB / 10.21 GB, free: 65.21 MB / 1.214 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 0.1759/39.88, allocations: 79.36 MB / 10.29 GB, free: 18.01 MB / 1.214 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0207/39.9, allocations: 11.68 MB / 10.3 GB, free: 7.492 MB / 1.214 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01563/39.92, allocations: 9.056 MB / 10.31 GB, free: 15.55 MB / 1.229 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 1.275/41.19, allocations: 33.24 MB / 10.34 GB, free: 103.3 MB / 1.229 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.02568/41.22, allocations: 9.14 MB / 10.35 GB, free: 103.1 MB / 1.229 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.05559/41.27, allocations: 15.14 MB / 10.36 GB, free: 103.1 MB / 1.229 GB Notification: Performance of pre-optimization done (n=582): time 5.766e-05/41.27, allocations: 0 / 10.36 GB, free: 103.1 MB / 1.229 GB Notification: Performance of matching and sorting (n=812): time 0.7694/42.04, allocations: 171 MB / 10.53 GB, free: 94.22 MB / 1.229 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0006477/42.04, allocations: 2.531 MB / 10.53 GB, free: 91.21 MB / 1.229 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03682/42.08, allocations: 14.75 MB / 10.55 GB, free: 90.32 MB / 1.229 GB Notification: Performance of collectPreVariables (initialization): time 0.005235/42.09, allocations: 267.1 kB / 10.55 GB, free: 90.29 MB / 1.229 GB Notification: Performance of collectInitialEqns (initialization): time 0.01227/42.1, allocations: 7.911 MB / 10.56 GB, free: 88.92 MB / 1.229 GB Notification: Performance of collectInitialBindings (initialization): time 0.006344/42.1, allocations: 2.818 MB / 10.56 GB, free: 87.48 MB / 1.229 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.003774/42.11, allocations: 204.9 kB / 10.56 GB, free: 87.48 MB / 1.229 GB Notification: Performance of setup shared object (initialization): time 0.0009455/42.11, allocations: 0.7484 MB / 10.56 GB, free: 87.16 MB / 1.229 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01719/42.13, allocations: 9.556 MB / 10.57 GB, free: 87.14 MB / 1.229 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.02146/42.15, allocations: 13.24 MB / 10.58 GB, free: 83.13 MB / 1.229 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.02268/42.17, allocations: 10.91 MB / 10.59 GB, free: 82.78 MB / 1.229 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001509/42.17, allocations: 12.97 kB / 10.59 GB, free: 82.78 MB / 1.229 GB Notification: Performance of matching and sorting (n=1424) (initialization): time 0.6043/42.77, allocations: 128.3 MB / 10.72 GB, free: 37.5 MB / 1.229 GB Notification: Performance of prepare postOptimizeDAE: time 0.00623/42.78, allocations: 36.7 MB / 10.75 GB, free: 15.89 MB / 1.245 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0005349/42.78, allocations: 119.1 kB / 10.75 GB, free: 15.78 MB / 1.245 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.024/45.81, allocations: 146.9 MB / 10.9 GB, free: 141.6 MB / 1.276 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01524/45.82, allocations: 2.693 MB / 10.9 GB, free: 141.6 MB / 1.276 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1537/45.97, allocations: 73.19 MB / 10.97 GB, free: 134.5 MB / 1.276 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.02553/46, allocations: 1.555 MB / 10.97 GB, free: 134.5 MB / 1.276 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00586/46.01, allocations: 0.9165 MB / 10.97 GB, free: 134.5 MB / 1.276 GB Notification: Performance of prepare postOptimizeDAE: time 1.8e-05/46.01, allocations: 7.656 kB / 10.97 GB, free: 134.5 MB / 1.276 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.5941/46.6, allocations: 127 MB / 11.1 GB, free: 132.3 MB / 1.276 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0005812/46.6, allocations: 118.9 kB / 11.1 GB, free: 132.3 MB / 1.276 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.6039/47.2, allocations: 147.3 MB / 11.24 GB, free: 5.387 MB / 1.276 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01389/47.22, allocations: 2.666 MB / 11.24 GB, free: 2.895 MB / 1.276 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.375/48.59, allocations: 77 MB / 11.32 GB, free: 169.6 MB / 1.307 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.02628/48.62, allocations: 1.529 MB / 11.32 GB, free: 169.6 MB / 1.307 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005988/48.63, allocations: 0.8709 MB / 11.32 GB, free: 169.6 MB / 1.307 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 (1062): * Single equations (assignments): 982 * Array equations: 36 * Algorithm blocks: 1 * Record equations: 32 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 8 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 0 * Non-linear Jacobian: 8 {1,1,1,1,1,1,1,1} * Without analytic Jacobian: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(28,89.3%) 28} * Non-linear torn systems: 2 {14 90,14 90} Notification: Performance of prepare postOptimizeDAE: time 0.007067/48.63, allocations: 0.7211 MB / 11.32 GB, free: 169.5 MB / 1.307 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.009181/48.64, allocations: 1.556 MB / 11.32 GB, free: 169.5 MB / 1.307 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2177/48.86, allocations: 49.26 MB / 11.37 GB, free: 168.8 MB / 1.307 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.0002004/48.86, allocations: 100.9 kB / 11.37 GB, free: 168.8 MB / 1.307 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001724/48.86, allocations: 32.19 kB / 11.37 GB, free: 168.8 MB / 1.307 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.1796/49.04, allocations: 43.25 MB / 11.41 GB, free: 168.1 MB / 1.307 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.2543/49.29, allocations: 67.75 MB / 11.48 GB, free: 163.9 MB / 1.307 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001225/49.29, allocations: 4.062 kB / 11.48 GB, free: 163.9 MB / 1.307 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01191/49.31, allocations: 1.84 MB / 11.48 GB, free: 163.9 MB / 1.307 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.1801/49.49, allocations: 42.26 MB / 11.52 GB, free: 163.8 MB / 1.307 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.002943/49.49, allocations: 343.6 kB / 11.52 GB, free: 163.8 MB / 1.307 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.06162/49.55, allocations: 30.53 MB / 11.55 GB, free: 156.7 MB / 1.307 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.34e-06/49.55, allocations: 4.906 kB / 11.55 GB, free: 156.7 MB / 1.307 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2484/49.8, allocations: 56.76 MB / 11.61 GB, free: 136.2 MB / 1.307 GB Notification: Performance of postOpt removeConstants (simulation): time 0.01659/49.82, allocations: 3.656 MB / 11.61 GB, free: 134 MB / 1.307 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.009619/49.83, allocations: 279.4 kB / 11.61 GB, free: 133.9 MB / 1.307 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.02022/49.85, allocations: 1.329 MB / 11.61 GB, free: 133.2 MB / 1.307 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.004059/49.85, allocations: 0.5913 MB / 11.61 GB, free: 132.9 MB / 1.307 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.00284/49.85, allocations: 360.5 kB / 11.62 GB, free: 132.7 MB / 1.307 GB Notification: Performance of sorting global known variables: time 0.02662/49.88, allocations: 11.26 MB / 11.63 GB, free: 126.2 MB / 1.307 GB Notification: Performance of sort global known variables: time 6.01e-07/49.88, allocations: 0 / 11.63 GB, free: 126.2 MB / 1.307 GB Notification: Performance of remove unused functions: time 0.06063/49.94, allocations: 8.797 MB / 11.63 GB, free: 118.6 MB / 1.307 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.x[1],pmpSouth.filter.x[2],pmpNorth.vol.dynBal.U,pmpNorth.filter.x[1],pmpNorth.filter.x[2],valSouth1[1].filter.x[1],valSouth1[1].filter.x[2],valSouth1[2].filter.x[1],valSouth1[2].filter.x[2],valSouth1[3].filter.x[1],valSouth1[3].filter.x[2],valSouth1[4].filter.x[1],valSouth1[4].filter.x[2],valSouth2[1].filter.x[1],valSouth2[1].filter.x[2],valSouth2[2].filter.x[1],valSouth2[2].filter.x[2],valSouth2[3].filter.x[1],valSouth2[3].filter.x[2],valSouth2[4].filter.x[1],valSouth2[4].filter.x[2],valSouth2[5].filter.x[1],valSouth2[5].filter.x[2],valSouth2[6].filter.x[1],valSouth2[6].filter.x[2],valSouth2[7].filter.x[1],valSouth2[7].filter.x[2],valSouth2[8].filter.x[1],valSouth2[8].filter.x[2],valNorth1[1].filter.x[1],valNorth1[1].filter.x[2],valNorth1[2].filter.x[1],valNorth1[2].filter.x[2],valNorth1[3].filter.x[1],valNorth1[3].filter.x[2],valNorth1[4].filter.x[1],valNorth1[4].filter.x[2],valNorth2[1].filter.x[1],valNorth2[1].filter.x[2],valNorth2[2].filter.x[1],valNorth2[2].filter.x[2],valNorth2[3].filter.x[1],valNorth2[3].filter.x[2],valNorth2[4].filter.x[1],valNorth2[4].filter.x[2],valNorth2[5].filter.x[1],valNorth2[5].filter.x[2],valNorth2[6].filter.x[1],valNorth2[6].filter.x[2],valNorth2[7].filter.x[1],valNorth2[7].filter.x[2],valNorth2[8].filter.x[1],valNorth2[8].filter.x[2],valSouth.vol.dynBal.U,valSouth.filter.x[1],valSouth.filter.x[2],valNorth.vol.dynBal.U,valNorth.filter.x[1],valNorth.filter.x[2],spl.vol.dynBal.U,spl1.vol.dynBal.U,pumpHea.vol.dynBal.U,pumpHea.filter.x[1],pumpHea.filter.x[2],valHea.filter.x[1],valHea.filter.x[2],valCoo.filter.x[1],valCoo.filter.x[2],spl2.vol.dynBal.U,spl3.vol.dynBal.U,pumpCoo.vol.dynBal.U,pumpCoo.filter.x[1],pumpCoo.filter.x[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 (717): * Single equations (assignments): 693 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 10 * When equations: 3 * If-equations: 0 * Equation systems (linear and non-linear blocks): 8 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 0 * Non-linear Jacobian: 8 {1,1,1,1,1,1,1,1} * Without analytic Jacobian: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(28,89.3%) 28} * Non-linear torn systems: 2 {14 89,14 90} Notification: Performance of Backend phase and start with SimCode phase: time 0.2073/50.15, allocations: 62.27 MB / 11.7 GB, free: 80.03 MB / 1.307 GB Notification: Performance of simCode: created initialization part: time 0.08903/50.24, allocations: 41.68 MB / 11.74 GB, free: 43.67 MB / 1.307 GB Notification: Performance of simCode: created event and clocks part: time 2.218e-05/50.24, allocations: 11.16 kB / 11.74 GB, free: 43.66 MB / 1.307 GB Notification: Performance of simCode: created simulation system equations: time 0.02277/50.26, allocations: 10.66 MB / 11.75 GB, free: 34.04 MB / 1.307 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.04504/50.31, allocations: 7.775 MB / 11.75 GB, free: 28.82 MB / 1.307 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 1.227/51.53, allocations: 35.46 MB / 11.79 GB, free: 158.4 MB / 1.307 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01904/51.55, allocations: 9.434 MB / 11.8 GB, free: 157.3 MB / 1.307 GB Notification: Performance of simCode: alias equations: time 0.05038/51.6, allocations: 8.979 MB / 11.81 GB, free: 157.1 MB / 1.307 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0168/51.62, allocations: 7.852 MB / 11.81 GB, free: 157.1 MB / 1.307 GB Notification: Performance of SimCode: time 9.32e-07/51.62, allocations: 0 / 11.81 GB, free: 157.1 MB / 1.307 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 2.218/53.84, allocations: 0.6475 GB / 12.46 GB, free: 177.8 MB / 1.339 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.000158/53.84, allocations: 225.9 kB / 12.46 GB, free: 177.6 MB / 1.339 GB Notification: Performance of buildModelFMU: Generate platform static: time 42.6/96.43, allocations: 0 / 12.46 GB, free: 177.6 MB / 1.339 GB (rm -f Buildings_8_Buildings.Fluid.Examples.FlowSystem.Simplified2.pipe ; mkfifo Buildings_8_Buildings.Fluid.Examples.FlowSystem.Simplified2.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.Examples.FlowSystem.Simplified2.pipe >> ../files/Buildings_8_Buildings.Fluid.Examples.FlowSystem.Simplified2.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_8_Buildings_Fluid_Examples_FlowSystem_Simplified2_fmu --startTime=0 --stopTime=1000 --timeout=50 --tolerance=1e-06 Buildings_8_Buildings_Fluid_Examples_FlowSystem_Simplified2.fmu > Buildings_8_Buildings.Fluid.Examples.FlowSystem.Simplified2.pipe 2>&1)