Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Fluid.Examples.Performance.Example1v2.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.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 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo) Running command: "" <> buildModelFMU(Buildings.Fluid.Examples.Performance.Example1v2,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Fluid_Examples_Performance_Example1v2",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Examples.Performance.Example1v2,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Fluid_Examples_Performance_Example1v2",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.375/1.375, allocations: 252 MB / 267 MB, free: 10.97 MB / 218.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001074/0.001074, allocations: 187.6 kB / 326.6 MB, free: 2.215 MB / 250.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.499/1.499, allocations: 205.4 MB / 0.5777 GB, free: 20.25 MB / 426.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008002/0.0008002, allocations: 90.23 kB / 0.6822 GB, free: 12.88 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 0.0003272/0.0003274, allocations: 8.562 kB / 0.7965 GB, free: 135.2 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.184/0.1844, allocations: 106.3 MB / 0.9003 GB, free: 63.83 MB / 0.6042 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.Performance.Example1v2): time 0.0521/0.2365, allocations: 74.48 MB / 0.973 GB, free: 5.141 MB / 0.6198 GB Notification: Performance of NFInst.instExpressions: time 0.03053/0.2671, allocations: 20.99 MB / 0.9935 GB, free: 120 kB / 0.6355 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003387/0.2705, allocations: 95.31 kB / 0.9936 GB, free: 24 kB / 0.6355 GB Notification: Performance of NFTyping.typeComponents: time 0.002454/0.273, allocations: 0.7764 MB / 0.9944 GB, free: 15.24 MB / 0.6511 GB Notification: Performance of NFTyping.typeBindings: time 0.006148/0.2792, allocations: 2.255 MB / 0.9966 GB, free: 12.98 MB / 0.6511 GB Notification: Performance of NFTyping.typeClassSections: time 0.004908/0.2841, allocations: 1.794 MB / 0.9983 GB, free: 11.2 MB / 0.6511 GB Notification: Performance of NFFlatten.flatten: time 0.0268/0.3109, allocations: 30.14 MB / 1.028 GB, free: 12.98 MB / 0.6823 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01727/0.3282, allocations: 13.44 MB / 1.041 GB, free: 15.46 MB / 0.698 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01581/0.3441, allocations: 9.165 MB / 1.05 GB, free: 6.262 MB / 0.698 GB Notification: Performance of NFSimplifyModel.simplify: time 0.706/1.05, allocations: 10.73 MB / 1.06 GB, free: 27.25 MB / 0.698 GB Notification: Performance of NFPackage.collectConstants: time 0.004831/1.055, allocations: 0.8139 MB / 1.061 GB, free: 27.25 MB / 0.698 GB Notification: Performance of NFFlatten.collectFunctions: time 0.009526/1.065, allocations: 1.784 MB / 1.063 GB, free: 27.25 MB / 0.698 GB Notification: Performance of NFScalarize.scalarize: time 0.007422/1.072, allocations: 2.957 MB / 1.066 GB, free: 27.25 MB / 0.698 GB Notification: Performance of NFVerifyModel.verify: time 0.006358/1.078, allocations: 1.831 MB / 1.068 GB, free: 27.21 MB / 0.698 GB Notification: Performance of NFConvertDAE.convert: time 0.01777/1.096, allocations: 13.9 MB / 1.081 GB, free: 26.83 MB / 0.698 GB Notification: Performance of FrontEnd - DAE generated: time 5.39e-06/1.096, allocations: 0 / 1.081 GB, free: 26.83 MB / 0.698 GB Notification: Performance of FrontEnd: time 2.244e-06/1.096, allocations: 3.031 kB / 1.081 GB, free: 26.83 MB / 0.698 GB Notification: Performance of Transformations before backend: time 0.0005184/1.097, allocations: 0 / 1.081 GB, free: 26.83 MB / 0.698 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1418 * Number of variables: 1418 Notification: Performance of Generate backend data structure: time 0.03446/1.131, allocations: 13.07 MB / 1.094 GB, free: 22.7 MB / 0.698 GB Notification: Performance of prepare preOptimizeDAE: time 4.984e-05/1.131, allocations: 10.47 kB / 1.094 GB, free: 22.7 MB / 0.698 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.004805/1.136, allocations: 0.7645 MB / 1.095 GB, free: 22.63 MB / 0.698 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.008128/1.144, allocations: 1.275 MB / 1.096 GB, free: 22.11 MB / 0.698 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.02161/1.166, allocations: 9.61 MB / 1.105 GB, free: 20.96 MB / 0.698 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000443/1.166, allocations: 442.8 kB / 1.106 GB, free: 20.95 MB / 0.698 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.004144/1.171, allocations: 0.589 MB / 1.106 GB, free: 20.94 MB / 0.698 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03277/1.203, allocations: 14.68 MB / 1.121 GB, free: 16.14 MB / 0.698 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001683/1.204, allocations: 25.3 kB / 1.121 GB, free: 16.13 MB / 0.698 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001983/1.206, allocations: 237.7 kB / 1.121 GB, free: 16.13 MB / 0.698 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.734e-05/1.206, allocations: 142.4 kB / 1.121 GB, free: 16.12 MB / 0.698 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02947/1.235, allocations: 19.88 MB / 1.14 GB, free: 12.74 MB / 0.698 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 0.1121/1.347, allocations: 66.62 MB / 1.205 GB, free: 9.398 MB / 0.7449 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01555/1.363, allocations: 9.32 MB / 1.215 GB, free: 160 kB / 0.7449 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01366/1.376, allocations: 8.674 MB / 1.223 GB, free: 7.488 MB / 0.7605 GB Notification: Performance of preOpt evalFunc (simulation): time 0.06407/1.441, allocations: 30.99 MB / 1.253 GB, free: 8.266 MB / 0.7918 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01191/1.453, allocations: 7.748 MB / 1.261 GB, free: 484 kB / 0.7918 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02971/1.482, allocations: 11.76 MB / 1.272 GB, free: 4.84 MB / 0.8074 GB Notification: Performance of pre-optimization done (n=300): time 2.134e-05/1.482, allocations: 0 / 1.272 GB, free: 4.84 MB / 0.8074 GB Notification: Performance of matching and sorting (n=300): time 0.05581/1.538, allocations: 24.44 MB / 1.296 GB, free: 12.3 MB / 0.8387 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.367e-05/1.538, allocations: 81.77 kB / 1.296 GB, free: 12.21 MB / 0.8387 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01315/1.551, allocations: 8.1 MB / 1.304 GB, free: 4.121 MB / 0.8387 GB Notification: Performance of collectPreVariables (initialization): time 0.002069/1.554, allocations: 97.7 kB / 1.304 GB, free: 4.02 MB / 0.8387 GB Notification: Performance of collectInitialEqns (initialization): time 0.004058/1.558, allocations: 4.012 MB / 1.308 GB, free: 0 / 0.8387 GB Notification: Performance of collectInitialBindings (initialization): time 0.002745/1.56, allocations: 1.084 MB / 1.309 GB, free: 14.92 MB / 0.8543 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007908/1.561, allocations: 88 kB / 1.309 GB, free: 14.83 MB / 0.8543 GB Notification: Performance of setup shared object (initialization): time 0.0002952/1.561, allocations: 497.5 kB / 1.31 GB, free: 14.34 MB / 0.8543 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01015/1.572, allocations: 6.541 MB / 1.316 GB, free: 7.789 MB / 0.8543 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01252/1.584, allocations: 8.4 MB / 1.324 GB, free: 14.57 MB / 0.8699 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01192/1.596, allocations: 7.436 MB / 1.332 GB, free: 7.168 MB / 0.8699 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.675e-05/1.596, allocations: 16 kB / 1.332 GB, free: 7.152 MB / 0.8699 GB Notification: Performance of matching and sorting (n=579) (initialization): time 0.0374/1.634, allocations: 17.81 MB / 1.349 GB, free: 5.605 MB / 0.8855 GB Notification: Performance of prepare postOptimizeDAE: time 0.001076/1.635, allocations: 1.56 MB / 1.351 GB, free: 3.391 MB / 0.8855 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.221e-05/1.635, allocations: 44 kB / 1.351 GB, free: 3.348 MB / 0.8855 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.07363/1.708, allocations: 11.51 MB / 1.362 GB, free: 7.879 MB / 0.9012 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008725/1.717, allocations: 1.576 MB / 1.363 GB, free: 6.375 MB / 0.9012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.009442/1.727, allocations: 6.801 MB / 1.37 GB, free: 15.39 MB / 0.9168 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01173/1.738, allocations: 0.5919 MB / 1.371 GB, free: 14.8 MB / 0.9168 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.002633/1.741, allocations: 0.546 MB / 1.371 GB, free: 14.26 MB / 0.9168 GB Notification: Performance of prepare postOptimizeDAE: time 1.299e-05/1.741, allocations: 8 kB / 1.371 GB, free: 14.25 MB / 0.9168 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.03076/1.772, allocations: 16.73 MB / 1.388 GB, free: 13.79 MB / 0.9324 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001112/1.772, allocations: 52.92 kB / 1.388 GB, free: 13.74 MB / 0.9324 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.07146/1.843, allocations: 11.03 MB / 1.398 GB, free: 2.742 MB / 0.9324 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008428/1.852, allocations: 1.548 MB / 1.4 GB, free: 1.262 MB / 0.9324 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.3689/2.221, allocations: 11.01 MB / 1.411 GB, free: 349.8 MB / 0.9324 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01098/2.232, allocations: 0.5708 MB / 1.411 GB, free: 349.8 MB / 0.9324 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.002405/2.234, allocations: 0.532 MB / 1.412 GB, free: 349.8 MB / 0.9324 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 217 * Number of states: 0 () * Number of discrete variables: 8 ($whenCondition1,$PRE.pulse.T_start,pulse.T_start,$PRE.pulse.count,pulse.count,from_dp.y,nRes.y,allowFlowReversal.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (527): * Single equations (assignments): 521 * Array equations: 1 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(1,100.0%) 1} * Non-linear torn systems: 3 {1 3,20 21,2 5} Notification: Performance of prepare postOptimizeDAE: time 0.007084/2.241, allocations: 2.632 MB / 1.414 GB, free: 349.6 MB / 0.9324 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.002691/2.244, allocations: 0.7518 MB / 1.415 GB, free: 349.6 MB / 0.9324 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02551/2.27, allocations: 14.36 MB / 1.429 GB, free: 345.7 MB / 0.9324 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.202e-05/2.27, allocations: 40.48 kB / 1.429 GB, free: 345.6 MB / 0.9324 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.474e-06/2.27, allocations: 0 / 1.429 GB, free: 345.6 MB / 0.9324 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.01549/2.285, allocations: 10.93 MB / 1.44 GB, free: 340.8 MB / 0.9324 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 0.03355/2.319, allocations: 24.89 MB / 1.464 GB, free: 327.7 MB / 0.9324 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.187e-05/2.319, allocations: 0 / 1.464 GB, free: 327.7 MB / 0.9324 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.004699/2.324, allocations: 0.6965 MB / 1.465 GB, free: 327.2 MB / 0.9324 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.06507/2.389, allocations: 10.34 MB / 1.475 GB, free: 317.4 MB / 0.9324 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.001375/2.39, allocations: 99.94 kB / 1.475 GB, free: 317.3 MB / 0.9324 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004442/2.394, allocations: 4.934 MB / 1.48 GB, free: 312.2 MB / 0.9324 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.835e-06/2.395, allocations: 0 / 1.48 GB, free: 312.2 MB / 0.9324 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02469/2.419, allocations: 19.55 MB / 1.499 GB, free: 292.7 MB / 0.9324 GB Notification: Performance of postOpt removeConstants (simulation): time 0.005522/2.425, allocations: 1.998 MB / 1.501 GB, free: 290.6 MB / 0.9324 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.002347/2.427, allocations: 79.98 kB / 1.501 GB, free: 290.6 MB / 0.9324 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.006672/2.434, allocations: 441.1 kB / 1.501 GB, free: 290.2 MB / 0.9324 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006274/2.434, allocations: 218.4 kB / 1.501 GB, free: 289.9 MB / 0.9324 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0005208/2.435, allocations: 163.9 kB / 1.502 GB, free: 289.8 MB / 0.9324 GB Notification: Performance of sorting global known variables: time 0.008423/2.443, allocations: 5.57 MB / 1.507 GB, free: 284.2 MB / 0.9324 GB Notification: Performance of sort global known variables: time 1.8e-07/2.443, allocations: 0 / 1.507 GB, free: 284.2 MB / 0.9324 GB Notification: Performance of remove unused functions: time 0.01851/2.462, allocations: 4.972 MB / 1.512 GB, free: 279.5 MB / 0.9324 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 22 (pump.vol.dynBal.U,hea.outCon.T,vol[1].dynBal.U,vol[2].dynBal.U,vol[3].dynBal.U,vol[4].dynBal.U,vol[5].dynBal.U,vol[6].dynBal.U,vol[7].dynBal.U,vol[8].dynBal.U,vol[9].dynBal.U,vol[10].dynBal.U,vol[11].dynBal.U,vol[12].dynBal.U,vol[13].dynBal.U,vol[14].dynBal.U,vol[15].dynBal.U,vol[16].dynBal.U,vol[17].dynBal.U,vol[18].dynBal.U,vol[19].dynBal.U,vol[20].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 (304): * Single equations (assignments): 294 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * When equations: 2 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(1,100.0%) 1} * Non-linear torn systems: 3 {1 3,2 5,20 21} Notification: Performance of Backend phase and start with SimCode phase: time 0.02625/2.488, allocations: 20.38 MB / 1.532 GB, free: 259.1 MB / 0.9324 GB Notification: Performance of simCode: created initialization part: time 0.03599/2.524, allocations: 24.19 MB / 1.555 GB, free: 234.8 MB / 0.9324 GB Notification: Performance of simCode: created event and clocks part: time 1.007e-05/2.524, allocations: 4 kB / 1.555 GB, free: 234.8 MB / 0.9324 GB Notification: Performance of simCode: created simulation system equations: time 0.009461/2.534, allocations: 6.463 MB / 1.562 GB, free: 228.3 MB / 0.9324 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.02814/2.562, allocations: 5.044 MB / 1.567 GB, free: 223.4 MB / 0.9324 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.286/2.848, allocations: 94.43 MB / 1.659 GB, free: 124.3 MB / 0.9324 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003917/2.852, allocations: 5.21 MB / 1.664 GB, free: 119 MB / 0.9324 GB Notification: Performance of simCode: alias equations: time 0.01949/2.871, allocations: 4.965 MB / 1.669 GB, free: 114 MB / 0.9324 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.008883/2.88, allocations: 3.806 MB / 1.673 GB, free: 110.2 MB / 0.9324 GB Notification: Performance of SimCode: time 9.21e-07/2.88, allocations: 4 kB / 1.673 GB, free: 110.2 MB / 0.9324 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.6917/3.572, allocations: 294.9 MB / 1.961 GB, free: 199.2 MB / 0.9324 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001788/3.572, allocations: 270.9 kB / 1.961 GB, free: 198.8 MB / 0.9324 GB Notification: Performance of buildModelFMU: Generate platform static: time 10.08/13.66, allocations: 0 / 1.961 GB, free: 198.8 MB / 0.9324 GB (rm -f Buildings_maint.7.0.x_Buildings.Fluid.Examples.Performance.Example1v2.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Fluid.Examples.Performance.Example1v2.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Fluid.Examples.Performance.Example1v2.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Fluid.Examples.Performance.Example1v2.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_maint_7_0_x_Buildings_Fluid_Examples_Performance_Example1v2_fmu --startTime=0 --stopTime=20 --timeout=50 --tolerance=1e-06 Buildings_maint_7_0_x_Buildings_Fluid_Examples_Performance_Example1v2.fmu > Buildings_maint.7.0.x_Buildings.Fluid.Examples.Performance.Example1v2.pipe 2>&1)