Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.Examples.FlowSystem.Basic.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/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/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo", uses=false) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/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) 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 BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Running command: translateModel(BuildingSystems.Fluid.Examples.FlowSystem.Basic,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Examples.FlowSystem.Basic") translateModel(BuildingSystems.Fluid.Examples.FlowSystem.Basic,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Examples.FlowSystem.Basic") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.7962/0.7962, allocations: 141.8 MB / 149.3 MB, free: 9.219 MB / 122.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001045/0.001045, allocations: 176.9 kB / 182.2 MB, free: 9.457 MB / 154.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.635/1.635, allocations: 221.5 MB / 436.4 MB, free: 13.33 MB / 330.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001087/0.001087, allocations: 99.42 kB / 0.5074 GB, free: 10.15 MB / 410.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.001783/0.001783, allocations: 273.7 kB / 0.5889 GB, free: 54.66 MB / 410.7 MB Notification: Performance of FrontEnd - loaded program: time 1.64e-05/1.642e-05, allocations: 4 kB / 0.6765 GB, free: 12.82 MB / 458.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4864/0.4864, allocations: 82.77 MB / 0.7574 GB, free: 32 MB / 458.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 1.457/1.943, allocations: 420.8 MB / 1.168 GB, free: 192.6 MB / 0.698 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.000255/1.944, allocations: 95.3 kB / 1.168 GB, free: 192.6 MB / 0.698 GB Notification: Performance of FrontEnd - DAE generated: time 27.54/29.48, allocations: 6.436 GB / 7.604 GB, free: 56.19 MB / 0.948 GB Notification: Performance of FrontEnd: time 1.673e-06/29.48, allocations: 0 / 7.604 GB, free: 56.19 MB / 0.948 GB Notification: Performance of Transformations before backend: time 0.004261/29.48, allocations: 439.9 kB / 7.605 GB, free: 56.11 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 0.0597/29.54, allocations: 13.47 MB / 7.618 GB, free: 50.37 MB / 0.948 GB Notification: Performance of prepare preOptimizeDAE: time 4.703e-05/29.54, allocations: 10.69 kB / 7.618 GB, free: 50.37 MB / 0.948 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01725/29.56, allocations: 2.188 MB / 7.62 GB, free: 49.41 MB / 0.948 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.07513/29.64, allocations: 21.48 MB / 7.641 GB, free: 46.98 MB / 0.948 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000874/29.64, allocations: 251.2 kB / 7.641 GB, free: 46.98 MB / 0.948 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00609/29.64, allocations: 0.5909 MB / 7.642 GB, free: 46.97 MB / 0.948 GB Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.04328/29.69, allocations: 19.83 MB / 7.661 GB, free: 46.94 MB / 0.948 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04593/29.73, allocations: 14.57 MB / 7.676 GB, free: 46.18 MB / 0.948 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0005031/29.73, allocations: 14.22 kB / 7.676 GB, free: 46.18 MB / 0.948 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.004422/29.74, allocations: 8.469 kB / 7.676 GB, free: 46.18 MB / 0.948 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004494/29.74, allocations: 369.8 kB / 7.676 GB, free: 46.17 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 0.1626/29.9, allocations: 77.37 MB / 7.752 GB, free: 14.26 MB / 0.948 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02489/29.92, allocations: 13.42 MB / 7.765 GB, free: 13.81 MB / 0.948 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01878/29.94, allocations: 9.976 MB / 7.774 GB, free: 13.69 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 0.09283/30.04, allocations: 34.28 MB / 7.808 GB, free: 4.859 MB / 0.948 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01953/30.06, allocations: 9.316 MB / 7.817 GB, free: 4.703 MB / 0.948 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.04816/30.1, allocations: 14.92 MB / 7.832 GB, free: 3.793 MB / 0.948 GB Notification: Performance of pre-optimization done (n=638): time 9.656e-05/30.1, allocations: 3.719 kB / 7.832 GB, free: 3.793 MB / 0.948 GB Notification: Performance of matching and sorting (n=640): time 1.756/31.86, allocations: 141.2 MB / 7.969 GB, free: 86.42 MB / 0.9792 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001196/31.86, allocations: 121.9 kB / 7.97 GB, free: 86.35 MB / 0.9792 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.04387/31.9, allocations: 13.3 MB / 7.983 GB, free: 85.69 MB / 0.9792 GB Notification: Performance of collectPreVariables (initialization): time 0.005078/31.91, allocations: 39.39 kB / 7.983 GB, free: 85.66 MB / 0.9792 GB Notification: Performance of collectInitialEqns (initialization): time 0.01414/31.92, allocations: 7.103 MB / 7.99 GB, free: 85.39 MB / 0.9792 GB Notification: Performance of collectInitialBindings (initialization): time 0.007265/31.93, allocations: 2.18 MB / 7.992 GB, free: 85.22 MB / 0.9792 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.004596/31.94, allocations: 1.5 kB / 7.992 GB, free: 85.22 MB / 0.9792 GB Notification: Performance of setup shared object (initialization): time 0.001287/31.94, allocations: 0.6458 MB / 7.992 GB, free: 84.89 MB / 0.9792 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01639/31.95, allocations: 8.16 MB / 8 GB, free: 84.87 MB / 0.9792 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.02415/31.98, allocations: 10.96 MB / 8.011 GB, free: 81.73 MB / 0.9792 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0241/32, allocations: 9.514 MB / 8.02 GB, free: 81.62 MB / 0.9792 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0002166/32, allocations: 12.38 kB / 8.02 GB, free: 81.62 MB / 0.9792 GB Notification: Performance of matching and sorting (n=1100) (initialization): time 0.6139/32.62, allocations: 124.2 MB / 8.142 GB, free: 78.87 MB / 0.9792 GB Notification: Performance of prepare postOptimizeDAE: time 0.01022/32.63, allocations: 31.79 MB / 8.173 GB, free: 45.33 MB / 0.9792 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0004124/32.63, allocations: 42.81 kB / 8.173 GB, free: 45.33 MB / 0.9792 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.726/34.35, allocations: 144.6 MB / 8.314 GB, free: 111.2 MB / 1.01 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01406/34.37, allocations: 2.548 MB / 8.316 GB, free: 111.2 MB / 1.01 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1518/34.52, allocations: 68.77 MB / 8.384 GB, free: 105.3 MB / 1.01 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.02653/34.54, allocations: 1.026 MB / 8.385 GB, free: 105.3 MB / 1.01 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005364/34.55, allocations: 0.792 MB / 8.385 GB, free: 105.3 MB / 1.01 GB Notification: Performance of prepare postOptimizeDAE: time 1.818e-05/34.55, allocations: 5.469 kB / 8.385 GB, free: 105.3 MB / 1.01 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.5972/35.15, allocations: 121.2 MB / 8.504 GB, free: 103.7 MB / 1.01 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0002985/35.15, allocations: 45.66 kB / 8.504 GB, free: 103.7 MB / 1.01 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.6189/35.77, allocations: 144.5 MB / 8.645 GB, free: 13.58 MB / 1.01 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01157/35.78, allocations: 2.523 MB / 8.647 GB, free: 11.21 MB / 1.01 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.132/36.91, allocations: 73.28 MB / 8.719 GB, free: 124.2 MB / 1.026 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0243/36.93, allocations: 1.006 MB / 8.72 GB, free: 124.2 MB / 1.026 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005849/36.94, allocations: 0.7401 MB / 8.721 GB, free: 124.2 MB / 1.026 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 0.009991/36.95, allocations: 312.5 kB / 8.721 GB, free: 124.1 MB / 1.026 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.008904/36.96, allocations: 1.396 MB / 8.722 GB, free: 124.1 MB / 1.026 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2001/37.16, allocations: 44.73 MB / 8.766 GB, free: 123.5 MB / 1.026 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.0002136/37.16, allocations: 80.11 kB / 8.766 GB, free: 123.5 MB / 1.026 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001004/37.16, allocations: 30 kB / 8.766 GB, free: 123.5 MB / 1.026 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.1706/37.33, allocations: 39.52 MB / 8.805 GB, free: 122.8 MB / 1.026 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.2161/37.55, allocations: 60.05 MB / 8.863 GB, free: 118.7 MB / 1.026 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001094/37.55, allocations: 6.562 kB / 8.863 GB, free: 118.7 MB / 1.026 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.006971/37.55, allocations: 1.124 MB / 8.864 GB, free: 118.7 MB / 1.026 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.2309/37.79, allocations: 41.81 MB / 8.905 GB, free: 117 MB / 1.026 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.00322/37.79, allocations: 161.4 kB / 8.905 GB, free: 116.9 MB / 1.026 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0548/37.84, allocations: 28.71 MB / 8.933 GB, free: 100 MB / 1.026 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.684e-06/37.84, allocations: 0 / 8.933 GB, free: 100 MB / 1.026 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.1815/38.02, allocations: 50.28 MB / 8.983 GB, free: 71.95 MB / 1.026 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0134/38.04, allocations: 3.319 MB / 8.986 GB, free: 69.99 MB / 1.026 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.007073/38.05, allocations: 75.89 kB / 8.986 GB, free: 69.95 MB / 1.026 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.01681/38.06, allocations: 0.8569 MB / 8.987 GB, free: 69.47 MB / 1.026 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.003175/38.07, allocations: 454.2 kB / 8.987 GB, free: 69.25 MB / 1.026 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.002047/38.07, allocations: 276.8 kB / 8.987 GB, free: 69.07 MB / 1.026 GB Notification: Performance of sorting global known variables: time 0.02125/38.09, allocations: 10.01 MB / 8.997 GB, free: 63.72 MB / 1.026 GB Notification: Performance of sort global known variables: time 1.734e-06/38.09, allocations: 4 kB / 8.997 GB, free: 63.71 MB / 1.026 GB Notification: Performance of remove unused functions: time 0.04828/38.14, allocations: 7.859 MB / 9.005 GB, free: 56.4 MB / 1.026 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 0.009807/38.15, allocations: 5.241 MB / 9.01 GB, free: 52.29 MB / 1.026 GB Notification: Performance of simCode: created initialization part: time 0.0681/38.21, allocations: 33.91 MB / 9.043 GB, free: 25.54 MB / 1.026 GB Notification: Performance of simCode: created event and clocks part: time 1.828e-05/38.22, allocations: 4 kB / 9.043 GB, free: 25.53 MB / 1.026 GB Notification: Performance of simCode: created simulation system equations: time 0.9943/39.21, allocations: 9.036 MB / 9.052 GB, free: 121.8 MB / 1.026 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0475/39.26, allocations: 7.137 MB / 9.059 GB, free: 121.7 MB / 1.026 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.06932/39.33, allocations: 26.46 MB / 9.085 GB, free: 116.6 MB / 1.026 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01482/39.34, allocations: 8.545 MB / 9.093 GB, free: 115.5 MB / 1.026 GB Notification: Performance of simCode: alias equations: time 0.04107/39.38, allocations: 7.837 MB / 9.101 GB, free: 115.4 MB / 1.026 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.004244/39.39, allocations: 0.779 MB / 9.101 GB, free: 115.4 MB / 1.026 GB Notification: Performance of SimCode: time 1.032e-06/39.39, allocations: 0 / 9.101 GB, free: 115.4 MB / 1.026 GB Notification: Performance of Templates: time 2.636/42.02, allocations: 422.3 MB / 9.514 GB, free: 118.6 MB / 1.057 GB make -j1 -f BuildingSystems_BuildingSystems.Fluid.Examples.FlowSystem.Basic.makefile (rm -f BuildingSystems_BuildingSystems.Fluid.Examples.FlowSystem.Basic.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.Examples.FlowSystem.Basic.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.Examples.FlowSystem.Basic.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.Examples.FlowSystem.Basic.sim & ./BuildingSystems_BuildingSystems.Fluid.Examples.FlowSystem.Basic -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.Examples.FlowSystem.Basic.pipe 2>&1)