Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IDEAS_IDEAS.Fluid.Examples.FlowSystem.Basic.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.Basic,fileNamePrefix="IDEAS_IDEAS_Fluid_Examples_FlowSystem_Basic",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.Examples.FlowSystem.Basic,fileNamePrefix="IDEAS_IDEAS_Fluid_Examples_FlowSystem_Basic",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 0.001226/0.001226, allocations: 172.5 kB / 7.647 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 0.7507/0.7507, allocations: 133.6 MB / 141.6 MB, free: 2.879 MB / 106.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.487/1.487, allocations: 221.5 MB / 395.5 MB, free: 10.78 MB / 330.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009216/0.0009215, allocations: 109.2 kB / 478.2 MB, free: 1.309 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 2.597e-05/2.599e-05, allocations: 4 kB / 0.5535 GB, free: 8.965 MB / 442.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4736/0.4736, allocations: 82.3 MB / 0.6339 GB, free: 40.73 MB / 458.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.8987/1.372, allocations: 423.2 MB / 1.047 GB, free: 10.62 MB / 0.6823 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002185/1.373, allocations: 89.58 kB / 1.047 GB, free: 10.58 MB / 0.6823 GB Notification: Performance of FrontEnd - DAE generated: time 28.86/30.23, allocations: 6.44 GB / 7.488 GB, free: 52.59 MB / 0.9323 GB Notification: Performance of FrontEnd: time 2.695e-06/30.23, allocations: 0 / 7.488 GB, free: 52.59 MB / 0.9323 GB Notification: Performance of Transformations before backend: time 0.004455/30.23, allocations: 445.5 kB / 7.488 GB, free: 52.5 MB / 0.9323 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 0.056/30.29, allocations: 13.52 MB / 7.501 GB, free: 46.69 MB / 0.9323 GB Notification: Performance of prepare preOptimizeDAE: time 6.801e-05/30.29, allocations: 10.72 kB / 7.501 GB, free: 46.69 MB / 0.9323 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01784/30.31, allocations: 2.198 MB / 7.503 GB, free: 45.71 MB / 0.9323 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.07523/30.38, allocations: 21.62 MB / 7.524 GB, free: 43.2 MB / 0.9323 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007751/30.38, allocations: 255.6 kB / 7.525 GB, free: 43.2 MB / 0.9323 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.006464/30.39, allocations: 0.602 MB / 7.525 GB, free: 43.19 MB / 0.9323 GB Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.04047/30.43, allocations: 19.84 MB / 7.545 GB, free: 43.15 MB / 0.9323 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.05035/30.48, allocations: 14.56 MB / 7.559 GB, free: 42.38 MB / 0.9323 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0007288/30.48, allocations: 20.17 kB / 7.559 GB, free: 42.37 MB / 0.9323 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.004506/30.49, allocations: 18.27 kB / 7.559 GB, free: 42.37 MB / 0.9323 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000496/30.49, allocations: 359 kB / 7.559 GB, free: 42.35 MB / 0.9323 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 0.1559/30.64, allocations: 77.38 MB / 7.635 GB, free: 8.922 MB / 0.9323 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0195/30.66, allocations: 13.43 MB / 7.648 GB, free: 2.797 MB / 0.9323 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01641/30.68, allocations: 10.1 MB / 7.658 GB, free: 13.64 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 0.1178/30.8, allocations: 34.28 MB / 7.691 GB, free: 1.77 MB / 0.9636 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.089/31.89, allocations: 9.315 MB / 7.7 GB, free: 95.43 MB / 0.9636 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.04739/31.93, allocations: 14.91 MB / 7.715 GB, free: 95.43 MB / 0.9636 GB Notification: Performance of pre-optimization done (n=638): time 7.116e-05/31.93, allocations: 1.031 kB / 7.715 GB, free: 95.43 MB / 0.9636 GB Notification: Performance of matching and sorting (n=640): time 0.671/32.6, allocations: 140.8 MB / 7.852 GB, free: 91.63 MB / 0.9636 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.14e-05/32.6, allocations: 116 kB / 7.853 GB, free: 91.56 MB / 0.9636 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03367/32.64, allocations: 13.35 MB / 7.866 GB, free: 90.84 MB / 0.9636 GB Notification: Performance of collectPreVariables (initialization): time 0.0044/32.64, allocations: 43.08 kB / 7.866 GB, free: 90.8 MB / 0.9636 GB Notification: Performance of collectInitialEqns (initialization): time 0.01034/32.65, allocations: 7.176 MB / 7.873 GB, free: 89.66 MB / 0.9636 GB Notification: Performance of collectInitialBindings (initialization): time 0.005771/32.66, allocations: 2.179 MB / 7.875 GB, free: 88.52 MB / 0.9636 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.003188/32.66, allocations: 3.719 kB / 7.875 GB, free: 88.52 MB / 0.9636 GB Notification: Performance of setup shared object (initialization): time 0.000738/32.66, allocations: 0.6444 MB / 7.875 GB, free: 88.19 MB / 0.9636 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01361/32.68, allocations: 8.166 MB / 7.883 GB, free: 88.17 MB / 0.9636 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01768/32.69, allocations: 10.95 MB / 7.894 GB, free: 84.95 MB / 0.9636 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01914/32.71, allocations: 9.514 MB / 7.903 GB, free: 84.75 MB / 0.9636 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001392/32.71, allocations: 16.7 kB / 7.903 GB, free: 84.75 MB / 0.9636 GB Notification: Performance of matching and sorting (n=1100) (initialization): time 0.6013/33.31, allocations: 124.2 MB / 8.025 GB, free: 16.05 MB / 0.9636 GB Notification: Performance of prepare postOptimizeDAE: time 1.047/34.36, allocations: 31.89 MB / 8.056 GB, free: 94.25 MB / 0.9792 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0003113/34.36, allocations: 46.08 kB / 8.056 GB, free: 94.25 MB / 0.9792 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.6513/35.01, allocations: 144.6 MB / 8.197 GB, free: 94.14 MB / 0.9792 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01391/35.03, allocations: 2.552 MB / 8.2 GB, free: 94.12 MB / 0.9792 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1389/35.17, allocations: 68.77 MB / 8.267 GB, free: 87.82 MB / 0.9792 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.02367/35.19, allocations: 1.028 MB / 8.268 GB, free: 87.77 MB / 0.9792 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005356/35.2, allocations: 0.79 MB / 8.268 GB, free: 87.77 MB / 0.9792 GB Notification: Performance of prepare postOptimizeDAE: time 1.886e-05/35.2, allocations: 3.281 kB / 8.268 GB, free: 87.77 MB / 0.9792 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.6065/35.8, allocations: 121.2 MB / 8.387 GB, free: 4.887 MB / 0.9792 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0002386/35.8, allocations: 44.81 kB / 8.387 GB, free: 4.844 MB / 0.9792 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.683/37.48, allocations: 144.5 MB / 8.528 GB, free: 113.3 MB / 1.01 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01239/37.5, allocations: 2.527 MB / 8.53 GB, free: 113.3 MB / 1.01 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1551/37.65, allocations: 73.27 MB / 8.602 GB, free: 110.6 MB / 1.01 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.02192/37.67, allocations: 1.009 MB / 8.603 GB, free: 110.6 MB / 1.01 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.004818/37.68, allocations: 0.7431 MB / 8.604 GB, free: 110.6 MB / 1.01 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 207 * 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 (857): * Single equations (assignments): 843 * 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 {33 119} Notification: Performance of prepare postOptimizeDAE: time 0.007262/37.69, allocations: 314 kB / 8.604 GB, free: 110.5 MB / 1.01 GB Notification: Performance of postOpt createAliasVarsForOutputStates (simulation): time 0.5898/38.28, allocations: 119.5 MB / 8.721 GB, free: 64.17 MB / 1.01 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00878/38.29, allocations: 1.404 MB / 8.722 GB, free: 63.43 MB / 1.01 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.1837/38.47, allocations: 44.71 MB / 8.766 GB, free: 26.61 MB / 1.01 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.000202/38.47, allocations: 68 kB / 8.766 GB, free: 26.54 MB / 1.01 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.332e-05/38.47, allocations: 28 kB / 8.766 GB, free: 26.51 MB / 1.01 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.145/39.61, allocations: 39.49 MB / 8.804 GB, free: 118.7 MB / 1.01 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.2204/39.84, allocations: 60.04 MB / 8.863 GB, free: 114.8 MB / 1.01 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001003/39.84, allocations: 2.812 kB / 8.863 GB, free: 114.8 MB / 1.01 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.007444/39.84, allocations: 1.13 MB / 8.864 GB, free: 114.8 MB / 1.01 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.1863/40.03, allocations: 41.81 MB / 8.905 GB, free: 114.7 MB / 1.01 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.002589/40.03, allocations: 153.8 kB / 8.905 GB, free: 114.7 MB / 1.01 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.05705/40.09, allocations: 28.72 MB / 8.933 GB, free: 108.8 MB / 1.01 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.43e-06/40.09, allocations: 0 / 8.933 GB, free: 108.8 MB / 1.01 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.1861/40.27, allocations: 50.27 MB / 8.982 GB, free: 107.5 MB / 1.01 GB Notification: Performance of postOpt removeConstants (simulation): time 0.01362/40.29, allocations: 3.332 MB / 8.986 GB, free: 107.4 MB / 1.01 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.00659/40.3, allocations: 75.38 kB / 8.986 GB, free: 107.4 MB / 1.01 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0166/40.31, allocations: 0.8517 MB / 8.986 GB, free: 107.4 MB / 1.01 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.00311/40.31, allocations: 456.8 kB / 8.987 GB, free: 107.4 MB / 1.01 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.001986/40.32, allocations: 276.1 kB / 8.987 GB, free: 107.4 MB / 1.01 GB Notification: Performance of sorting global known variables: time 0.02355/40.34, allocations: 10.05 MB / 8.997 GB, free: 106.9 MB / 1.01 GB Notification: Performance of sort global known variables: time 1.072e-06/40.34, allocations: 0 / 8.997 GB, free: 106.9 MB / 1.01 GB Notification: Performance of remove unused functions: time 0.05181/40.39, allocations: 7.867 MB / 9.005 GB, free: 106.9 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 (535): * Single equations (assignments): 513 * 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 {33 119} Notification: Performance of Backend phase and start with SimCode phase: time 0.1977/40.59, allocations: 55.02 MB / 9.058 GB, free: 76.22 MB / 1.01 GB Notification: Performance of simCode: created initialization part: time 0.07042/40.66, allocations: 33.93 MB / 9.092 GB, free: 58.73 MB / 1.01 GB Notification: Performance of simCode: created event and clocks part: time 1.53e-05/40.66, allocations: 5.969 kB / 9.092 GB, free: 58.73 MB / 1.01 GB Notification: Performance of simCode: created simulation system equations: time 0.01852/40.68, allocations: 8.905 MB / 9.1 GB, free: 54.14 MB / 1.01 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.04383/40.72, allocations: 7.129 MB / 9.107 GB, free: 50.5 MB / 1.01 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.07843/40.8, allocations: 30.38 MB / 9.137 GB, free: 26.88 MB / 1.01 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01437/40.82, allocations: 8.575 MB / 9.145 GB, free: 21.09 MB / 1.01 GB Notification: Performance of simCode: alias equations: time 0.03636/40.85, allocations: 8.339 MB / 9.153 GB, free: 17.55 MB / 1.01 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 1.681/42.53, allocations: 7.429 MB / 9.161 GB, free: 114.1 MB / 1.011 GB Notification: Performance of SimCode: time 1.883e-06/42.53, allocations: 0 / 9.161 GB, free: 114.1 MB / 1.011 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 1.832/44.37, allocations: 0.5421 GB / 9.703 GB, free: 144.7 MB / 1.057 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001454/44.37, allocations: 147.4 kB / 9.703 GB, free: 144.5 MB / 1.057 GB Notification: Performance of buildModelFMU: Generate platform static: time 33.2/77.57, allocations: 0 / 9.703 GB, free: 144.5 MB / 1.057 GB (rm -f IDEAS_IDEAS.Fluid.Examples.FlowSystem.Basic.pipe ; mkfifo IDEAS_IDEAS.Fluid.Examples.FlowSystem.Basic.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.Examples.FlowSystem.Basic.pipe >> ../files/IDEAS_IDEAS.Fluid.Examples.FlowSystem.Basic.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_IDEAS_IDEAS_Fluid_Examples_FlowSystem_Basic_fmu --startTime=0 --stopTime=1000 --timeout=50 --tolerance=1e-06 IDEAS_IDEAS_Fluid_Examples_FlowSystem_Basic.fmu > IDEAS_IDEAS.Fluid.Examples.FlowSystem.Basic.pipe 2>&1)