Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Fluid.Examples.Performance.Example3.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) 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) 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 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: "" <> buildModelFMU(Buildings.Fluid.Examples.Performance.Example3,fileNamePrefix="Buildings_8_Buildings_Fluid_Examples_Performance_Example3",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Examples.Performance.Example3,fileNamePrefix="Buildings_8_Buildings_Fluid_Examples_Performance_Example3",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0007666/0.0007666, allocations: 91.38 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 0.004433/0.004433, allocations: 171.4 kB / 16.26 MB, free: 6.613 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.25/1.25, allocations: 205.4 MB / 222.4 MB, free: 5.562 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.63/1.63, allocations: 292.7 MB / 0.5502 GB, free: 14.48 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.0006627/0.0006628, allocations: 19.88 kB / 0.6744 GB, free: 25.85 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2007/0.2014, allocations: 116.3 MB / 0.788 GB, free: 11.48 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.Performance.Example3): time 0.03363/0.2351, allocations: 31.88 MB / 0.8191 GB, free: 11.48 MB / 0.6387 GB Notification: Performance of NFInst.instExpressions: time 0.01876/0.2539, allocations: 13.35 MB / 0.8322 GB, free: 14.11 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001584/0.2555, allocations: 47.69 kB / 0.8322 GB, free: 14.06 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.002179/0.2577, allocations: 0.6298 MB / 0.8328 GB, free: 13.43 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.004097/0.2618, allocations: 1.442 MB / 0.8342 GB, free: 11.98 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.003331/0.2652, allocations: 1.253 MB / 0.8354 GB, free: 10.73 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.006781/0.272, allocations: 6.41 MB / 0.8417 GB, free: 4.305 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002599/0.2746, allocations: 1.737 MB / 0.8434 GB, free: 2.531 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002935/0.2775, allocations: 1.61 MB / 0.845 GB, free: 0.9141 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002153/0.2797, allocations: 1.326 MB / 0.8463 GB, free: 15.58 MB / 0.67 GB Notification: Performance of NFPackage.collectConstants: time 0.0004444/0.2802, allocations: 64 kB / 0.8463 GB, free: 15.52 MB / 0.67 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002441/0.2826, allocations: 1.08 MB / 0.8474 GB, free: 14.44 MB / 0.67 GB Notification: Performance of NFScalarize.scalarize: time 0.0004986/0.2831, allocations: 382.3 kB / 0.8477 GB, free: 14.06 MB / 0.67 GB Notification: Performance of NFVerifyModel.verify: time 0.001099/0.2842, allocations: 0.934 MB / 0.8487 GB, free: 13.12 MB / 0.67 GB Notification: Performance of NFConvertDAE.convert: time 0.003315/0.2875, allocations: 2.795 MB / 0.8514 GB, free: 10.31 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 5.019e-06/0.2876, allocations: 0 / 0.8514 GB, free: 10.31 MB / 0.67 GB Notification: Performance of FrontEnd: time 2.023e-06/0.2876, allocations: 0 / 0.8514 GB, free: 10.31 MB / 0.67 GB Notification: Performance of Transformations before backend: time 2.432e-05/0.2876, allocations: 0 / 0.8514 GB, free: 10.31 MB / 0.67 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 235 * Number of variables: 235 Notification: Performance of Generate backend data structure: time 0.003294/0.2909, allocations: 2.03 MB / 0.8534 GB, free: 8.215 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 4.601e-05/0.291, allocations: 12.03 kB / 0.8534 GB, free: 8.203 MB / 0.67 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001894/0.2912, allocations: 147.9 kB / 0.8535 GB, free: 8.051 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001163/0.2923, allocations: 310.3 kB / 0.8538 GB, free: 7.746 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002683/0.295, allocations: 1.64 MB / 0.8554 GB, free: 6.059 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.037e-05/0.2951, allocations: 82 kB / 0.8555 GB, free: 5.977 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000167/0.2953, allocations: 108 kB / 0.8556 GB, free: 5.871 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002103/0.2974, allocations: 1.294 MB / 0.8569 GB, free: 4.504 MB / 0.67 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.455e-05/0.2974, allocations: 4 kB / 0.8569 GB, free: 4.5 MB / 0.67 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.847e-05/0.2975, allocations: 36 kB / 0.8569 GB, free: 4.465 MB / 0.67 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.174e-05/0.2976, allocations: 27.94 kB / 0.8569 GB, free: 4.438 MB / 0.67 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001882/0.2994, allocations: 0.9991 MB / 0.8579 GB, free: 3.438 MB / 0.67 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 0.007608/0.3071, allocations: 6.762 MB / 0.8645 GB, free: 12.18 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001279/0.3084, allocations: 0.6051 MB / 0.8651 GB, free: 11.57 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007534/0.3091, allocations: 402.4 kB / 0.8655 GB, free: 11.18 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.002472/0.3116, allocations: 1.701 MB / 0.8671 GB, free: 9.336 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0007616/0.3124, allocations: 376.8 kB / 0.8675 GB, free: 8.957 MB / 0.6856 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0004027/0.3128, allocations: 99.33 kB / 0.8676 GB, free: 8.859 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=46): time 2.033e-06/0.3128, allocations: 0 / 0.8676 GB, free: 8.859 MB / 0.6856 GB Notification: Performance of matching and sorting (n=46): time 0.003368/0.3162, allocations: 1.333 MB / 0.8689 GB, free: 7.496 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.359e-05/0.3162, allocations: 63.41 kB / 0.869 GB, free: 7.422 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002167/0.3184, allocations: 1.776 MB / 0.8707 GB, free: 5.602 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 6.471e-05/0.3185, allocations: 37.7 kB / 0.8707 GB, free: 5.559 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007738/0.3193, allocations: 0.8461 MB / 0.8716 GB, free: 4.703 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001614/0.3194, allocations: 165.7 kB / 0.8717 GB, free: 4.539 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001106/0.3196, allocations: 69.69 kB / 0.8718 GB, free: 4.465 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 0.0001392/0.3197, allocations: 337.9 kB / 0.8721 GB, free: 4.129 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006683/0.3204, allocations: 317.8 kB / 0.8724 GB, free: 3.82 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009852/0.3214, allocations: 0.744 MB / 0.8731 GB, free: 2.875 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001522/0.3229, allocations: 0.9876 MB / 0.8741 GB, free: 1.738 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.466e-06/0.3229, allocations: 4 kB / 0.8741 GB, free: 1.734 MB / 0.6856 GB Notification: Performance of matching and sorting (n=99) (initialization): time 0.0025/0.3254, allocations: 1.305 MB / 0.8754 GB, free: 420 kB / 0.6856 GB Notification: Performance of prepare postOptimizeDAE: time 0.0002764/0.3257, allocations: 427.2 kB / 0.8758 GB, free: 15.84 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.383e-05/0.3257, allocations: 8 kB / 0.8758 GB, free: 15.84 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006522/0.3264, allocations: 195.5 kB / 0.876 GB, free: 15.64 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006379/0.3271, allocations: 171.7 kB / 0.8761 GB, free: 15.48 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007275/0.3278, allocations: 0.7591 MB / 0.8769 GB, free: 14.69 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001028/0.3288, allocations: 100.4 kB / 0.877 GB, free: 14.59 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.423e-05/0.3289, allocations: 47.98 kB / 0.877 GB, free: 14.55 MB / 0.7012 GB Notification: Performance of prepare postOptimizeDAE: time 7.254e-06/0.3289, allocations: 4 kB / 0.877 GB, free: 14.54 MB / 0.7012 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.001831/0.3308, allocations: 1.093 MB / 0.8781 GB, free: 13.42 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.267e-05/0.3308, allocations: 12 kB / 0.8781 GB, free: 13.41 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002297/0.331, allocations: 116.8 kB / 0.8782 GB, free: 13.29 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005437/0.3316, allocations: 163.9 kB / 0.8784 GB, free: 13.13 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002122/0.3337, allocations: 2.13 MB / 0.8805 GB, free: 10.86 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000826/0.3346, allocations: 80.61 kB / 0.8805 GB, free: 10.79 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.579e-05/0.3346, allocations: 43.98 kB / 0.8806 GB, free: 10.74 MB / 0.7012 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 46 * Number of states: 0 () * Number of discrete variables: 8 (pulse.count,$PRE.pulse.count,pulse.T_start,$PRE.pulse.T_start,$whenCondition1,nRes.y,from_dp.y,mergeDp.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (85): * Single equations (assignments): 82 * Array equations: 1 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,12)} Notification: Performance of prepare postOptimizeDAE: time 0.0007809/0.3354, allocations: 0.5894 MB / 0.8812 GB, free: 10.14 MB / 0.7012 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001962/0.3356, allocations: 173.8 kB / 0.8813 GB, free: 9.973 MB / 0.7012 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001982/0.3376, allocations: 0.996 MB / 0.8823 GB, free: 8.965 MB / 0.7012 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.378e-06/0.3376, allocations: 4 kB / 0.8823 GB, free: 8.961 MB / 0.7012 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.049e-06/0.3377, allocations: 11.94 kB / 0.8823 GB, free: 8.949 MB / 0.7012 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001475/0.3391, allocations: 0.9411 MB / 0.8832 GB, free: 7.938 MB / 0.7012 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 0.003367/0.3425, allocations: 2.164 MB / 0.8853 GB, free: 5.688 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.42e-06/0.3425, allocations: 4 kB / 0.8853 GB, free: 5.684 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004346/0.343, allocations: 91.86 kB / 0.8854 GB, free: 5.594 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002752/0.3433, allocations: 116.8 kB / 0.8855 GB, free: 5.477 MB / 0.7012 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.759e-05/0.3433, allocations: 19.98 kB / 0.8856 GB, free: 5.457 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0005636/0.3439, allocations: 0.7429 MB / 0.8863 GB, free: 4.691 MB / 0.7012 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.472e-06/0.3439, allocations: 0 / 0.8863 GB, free: 4.691 MB / 0.7012 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002319/0.3462, allocations: 1.366 MB / 0.8876 GB, free: 3.293 MB / 0.7012 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004722/0.3467, allocations: 318.8 kB / 0.8879 GB, free: 2.961 MB / 0.7012 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001577/0.3469, allocations: 8 kB / 0.8879 GB, free: 2.953 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007117/0.3476, allocations: 83.84 kB / 0.888 GB, free: 2.871 MB / 0.7012 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.384e-05/0.3477, allocations: 40.31 kB / 0.888 GB, free: 2.832 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.851e-05/0.3477, allocations: 23.98 kB / 0.8881 GB, free: 2.809 MB / 0.7012 GB Notification: Performance of sorting global known variables: time 0.00153/0.3493, allocations: 1.223 MB / 0.8893 GB, free: 1.562 MB / 0.7012 GB Notification: Performance of sort global known variables: time 1.703e-06/0.3493, allocations: 0 / 0.8893 GB, free: 1.562 MB / 0.7012 GB Notification: Performance of remove unused functions: time 0.00197/0.3513, allocations: 0.7915 MB / 0.89 GB, free: 0.7695 MB / 0.7012 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 1 (pump.vol.dynBal.U) * Number of discrete variables: 3 ($whenCondition1,pulse.T_start,pulse.count) * Number of discrete states: 1 (pulse.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (40): * Single equations (assignments): 34 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 3 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,12)} Notification: Performance of Backend phase and start with SimCode phase: time 0.003278/0.3546, allocations: 2.13 MB / 0.8921 GB, free: 14.61 MB / 0.7169 GB Notification: Performance of simCode: created initialization part: time 0.002622/0.3572, allocations: 1.474 MB / 0.8936 GB, free: 13.11 MB / 0.7169 GB Notification: Performance of simCode: created event and clocks part: time 4.118e-06/0.3572, allocations: 3.938 kB / 0.8936 GB, free: 13.1 MB / 0.7169 GB Notification: Performance of simCode: created simulation system equations: time 0.0006979/0.3579, allocations: 338.2 kB / 0.8939 GB, free: 12.77 MB / 0.7169 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003563/0.3615, allocations: 0.7384 MB / 0.8946 GB, free: 12.03 MB / 0.7169 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02237/0.3839, allocations: 13.92 MB / 0.9082 GB, free: 13.2 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001104/0.385, allocations: 1.495 MB / 0.9097 GB, free: 11.68 MB / 0.7325 GB Notification: Performance of simCode: alias equations: time 0.00171/0.3867, allocations: 441.9 kB / 0.9101 GB, free: 11.24 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008223/0.3876, allocations: 0.6515 MB / 0.9107 GB, free: 10.59 MB / 0.7325 GB Notification: Performance of SimCode: time 8.12e-07/0.3876, allocations: 0 / 0.9107 GB, free: 10.59 MB / 0.7325 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.4505/0.8381, allocations: 43.98 MB / 0.9537 GB, free: 119.3 MB / 0.7325 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001589/0.8383, allocations: 271.6 kB / 0.9539 GB, free: 118.9 MB / 0.7325 GB Notification: Performance of buildModelFMU: Generate platform static: time 2.882/3.72, allocations: 0 / 0.9539 GB, free: 118.9 MB / 0.7325 GB (rm -f Buildings_8_Buildings.Fluid.Examples.Performance.Example3.pipe ; mkfifo Buildings_8_Buildings.Fluid.Examples.Performance.Example3.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.Examples.Performance.Example3.pipe >> ../files/Buildings_8_Buildings.Fluid.Examples.Performance.Example3.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_Buildings_8_Buildings_Fluid_Examples_Performance_Example3_fmu --startTime=0 --stopTime=20 --timeout=50 --tolerance=1e-06 Buildings_8_Buildings_Fluid_Examples_Performance_Example3.fmu > Buildings_8_Buildings.Fluid.Examples.Performance.Example3.pipe 2>&1)