Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8.0.0_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvesMotor.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/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 8.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo) Running command: "" <> buildModelFMU(Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvesMotor,fileNamePrefix="Buildings_8_0_0_Buildings_Fluid_Actuators_Valves_Examples_TwoWayValvesMotor",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvesMotor,fileNamePrefix="Buildings_8_0_0_Buildings_Fluid_Actuators_Valves_Examples_TwoWayValvesMotor",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 1.678/1.678, allocations: 287.4 MB / 302.6 MB, free: 8.223 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.00107/0.00107, allocations: 174.9 kB / 371.1 MB, free: 10.81 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.447/1.447, allocations: 205.4 MB / 0.6298 GB, free: 10.55 MB / 458.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008239/0.000824, allocations: 88.73 kB / 0.7431 GB, free: 6.547 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.000383/0.0003833, allocations: 15.25 kB / 0.8662 GB, free: 140.6 MB / 0.6198 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1849/0.1853, allocations: 115.3 MB / 0.9787 GB, free: 28.08 MB / 0.6198 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvesMotor): time 0.01727/0.2026, allocations: 21.56 MB / 0.9998 GB, free: 6.453 MB / 0.6198 GB Notification: Performance of NFInst.instExpressions: time 0.01134/0.214, allocations: 9.109 MB / 1.009 GB, free: 13.33 MB / 0.6355 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001101/0.2152, allocations: 35.69 kB / 1.009 GB, free: 13.29 MB / 0.6355 GB Notification: Performance of NFTyping.typeComponents: time 0.0008512/0.216, allocations: 294.2 kB / 1.009 GB, free: 13 MB / 0.6355 GB Notification: Performance of NFTyping.typeBindings: time 0.002253/0.2183, allocations: 0.8674 MB / 1.01 GB, free: 12.13 MB / 0.6355 GB Notification: Performance of NFTyping.typeClassSections: time 0.002457/0.2208, allocations: 0.891 MB / 1.011 GB, free: 11.25 MB / 0.6355 GB Notification: Performance of NFFlatten.flatten: time 0.002461/0.2232, allocations: 2.159 MB / 1.013 GB, free: 9.09 MB / 0.6355 GB Notification: Performance of NFFlatten.resolveConnections: time 0.000805/0.2241, allocations: 0.6106 MB / 1.013 GB, free: 8.461 MB / 0.6355 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00106/0.2251, allocations: 0.6963 MB / 1.014 GB, free: 7.762 MB / 0.6355 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0007699/0.2259, allocations: 0.634 MB / 1.015 GB, free: 7.125 MB / 0.6355 GB Notification: Performance of NFPackage.collectConstants: time 8.617e-05/0.226, allocations: 36 kB / 1.015 GB, free: 7.09 MB / 0.6355 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001477/0.2275, allocations: 0.8694 MB / 1.016 GB, free: 6.219 MB / 0.6355 GB Notification: Performance of NFScalarize.scalarize: time 0.0001718/0.2277, allocations: 163.2 kB / 1.016 GB, free: 6.059 MB / 0.6355 GB Notification: Performance of NFVerifyModel.verify: time 0.0001905/0.2279, allocations: 197.1 kB / 1.016 GB, free: 5.859 MB / 0.6355 GB Notification: Performance of NFConvertDAE.convert: time 0.001048/0.2289, allocations: 1.013 MB / 1.017 GB, free: 4.844 MB / 0.6355 GB Notification: Performance of FrontEnd - DAE generated: time 7.744e-06/0.229, allocations: 11.94 kB / 1.017 GB, free: 4.832 MB / 0.6355 GB Notification: Performance of FrontEnd: time 2.685e-06/0.229, allocations: 0 / 1.017 GB, free: 4.832 MB / 0.6355 GB Notification: Performance of Transformations before backend: time 9.658e-06/0.229, allocations: 3.938 kB / 1.017 GB, free: 4.828 MB / 0.6355 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 140 * Number of variables: 140 Notification: Performance of Generate backend data structure: time 0.001866/0.2309, allocations: 1.224 MB / 1.018 GB, free: 3.547 MB / 0.6355 GB Notification: Performance of prepare preOptimizeDAE: time 3.716e-05/0.2309, allocations: 11.97 kB / 1.018 GB, free: 3.535 MB / 0.6355 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 9.821e-05/0.231, allocations: 98.7 kB / 1.018 GB, free: 3.43 MB / 0.6355 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001528/0.2312, allocations: 115.6 kB / 1.018 GB, free: 3.316 MB / 0.6355 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009411/0.2321, allocations: 0.6752 MB / 1.019 GB, free: 2.602 MB / 0.6355 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.528e-05/0.2322, allocations: 45.31 kB / 1.019 GB, free: 2.555 MB / 0.6355 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.85e-05/0.2323, allocations: 64 kB / 1.019 GB, free: 2.492 MB / 0.6355 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001005/0.2333, allocations: 0.6702 MB / 1.02 GB, free: 1.781 MB / 0.6355 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.522e-05/0.2333, allocations: 0 / 1.02 GB, free: 1.781 MB / 0.6355 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.864e-05/0.2334, allocations: 28 kB / 1.02 GB, free: 1.754 MB / 0.6355 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.249e-05/0.2334, allocations: 16 kB / 1.02 GB, free: 1.738 MB / 0.6355 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008022/0.2342, allocations: 452.9 kB / 1.02 GB, free: 1.297 MB / 0.6355 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 0.003252/0.2375, allocations: 2.542 MB / 1.023 GB, free: 14.62 MB / 0.6511 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007079/0.2382, allocations: 366.6 kB / 1.023 GB, free: 14.25 MB / 0.6511 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003233/0.2385, allocations: 192.6 kB / 1.023 GB, free: 14.06 MB / 0.6511 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002917/0.2388, allocations: 340.4 kB / 1.024 GB, free: 13.66 MB / 0.6511 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005341/0.2394, allocations: 333 kB / 1.024 GB, free: 13.3 MB / 0.6511 GB Notification: Performance of pre-optimization done (n=37): time 2.074e-06/0.2394, allocations: 0 / 1.024 GB, free: 13.3 MB / 0.6511 GB Notification: Performance of matching and sorting (n=37): time 0.001234/0.2406, allocations: 0.7031 MB / 1.025 GB, free: 12.58 MB / 0.6511 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001074/0.2407, allocations: 239.3 kB / 1.025 GB, free: 12.29 MB / 0.6511 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0009145/0.2417, allocations: 0.832 MB / 1.026 GB, free: 11.44 MB / 0.6511 GB Notification: Performance of collectPreVariables (initialization): time 4.752e-05/0.2417, allocations: 37.7 kB / 1.026 GB, free: 11.39 MB / 0.6511 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003161/0.242, allocations: 436.6 kB / 1.026 GB, free: 10.96 MB / 0.6511 GB Notification: Performance of collectInitialBindings (initialization): time 9.977e-05/0.2422, allocations: 126.3 kB / 1.026 GB, free: 10.84 MB / 0.6511 GB Notification: Performance of simplifyInitialFunctions (initialization): time 2.888e-05/0.2422, allocations: 12 kB / 1.026 GB, free: 10.82 MB / 0.6511 GB Notification: Performance of setup shared object (initialization): time 0.000109/0.2423, allocations: 322 kB / 1.027 GB, free: 10.5 MB / 0.6511 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003738/0.2427, allocations: 205.1 kB / 1.027 GB, free: 10.3 MB / 0.6511 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00049/0.2432, allocations: 367.6 kB / 1.027 GB, free: 9.883 MB / 0.6511 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000744/0.2439, allocations: 0.5222 MB / 1.028 GB, free: 9.316 MB / 0.6511 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.886e-06/0.244, allocations: 0 / 1.028 GB, free: 9.316 MB / 0.6511 GB Notification: Performance of matching and sorting (n=72) (initialization): time 0.001131/0.2451, allocations: 0.7292 MB / 1.028 GB, free: 8.57 MB / 0.6511 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001291/0.2452, allocations: 207.7 kB / 1.029 GB, free: 8.324 MB / 0.6511 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.196e-06/0.2452, allocations: 4 kB / 1.029 GB, free: 8.32 MB / 0.6511 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.817e-05/0.2453, allocations: 4 kB / 1.029 GB, free: 8.316 MB / 0.6511 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009919/0.2463, allocations: 183.8 kB / 1.029 GB, free: 8.137 MB / 0.6511 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0009226/0.2472, allocations: 1.774 MB / 1.03 GB, free: 6.293 MB / 0.6511 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006214/0.2478, allocations: 116 kB / 1.031 GB, free: 6.18 MB / 0.6511 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.875e-05/0.2479, allocations: 20 kB / 1.031 GB, free: 6.16 MB / 0.6511 GB Notification: Performance of prepare postOptimizeDAE: time 6.222e-06/0.2479, allocations: 4 kB / 1.031 GB, free: 6.156 MB / 0.6511 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.001022/0.2489, allocations: 0.6464 MB / 1.031 GB, free: 5.504 MB / 0.6511 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.001e-06/0.249, allocations: 11.88 kB / 1.031 GB, free: 5.492 MB / 0.6511 GB Notification: Performance of postOpt tearingSystem (initialization): time 5.27e-06/0.249, allocations: 4 kB / 1.031 GB, free: 5.488 MB / 0.6511 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004794/0.2495, allocations: 132.2 kB / 1.031 GB, free: 5.359 MB / 0.6511 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.691e-06/0.2495, allocations: 7.938 kB / 1.031 GB, free: 5.352 MB / 0.6511 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005377/0.25, allocations: 103.4 kB / 1.031 GB, free: 5.25 MB / 0.6511 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.245e-05/0.2501, allocations: 20 kB / 1.031 GB, free: 5.23 MB / 0.6511 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 12 * Number of states: 0 () * Number of discrete variables: 12 ($whenCondition1,ySet.a,ySet.b,ySet.last,$PRE.ySet.nextEvent,ySet.nextEvent,ySet.nextEventScaled,$PRE.mot.uppHys.y,mot.uppHys.y,$PRE.mot.lowHys.y,mot.lowHys.y,mot.int.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (67): * Single equations (assignments): 63 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 3 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 0 * Non-linear Jacobian: 3 {1,1,1} * Without analytic Jacobian: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0003621/0.2504, allocations: 351.9 kB / 1.032 GB, free: 4.871 MB / 0.6511 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001062/0.2505, allocations: 94.81 kB / 1.032 GB, free: 4.777 MB / 0.6511 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001164/0.2517, allocations: 0.679 MB / 1.033 GB, free: 4.086 MB / 0.6511 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.228e-06/0.2517, allocations: 4 kB / 1.033 GB, free: 4.082 MB / 0.6511 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.963e-06/0.2518, allocations: 4 kB / 1.033 GB, free: 4.078 MB / 0.6511 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.853e-06/0.2518, allocations: 3.984 kB / 1.033 GB, free: 4.074 MB / 0.6511 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001954/0.2537, allocations: 1.523 MB / 1.034 GB, free: 2.48 MB / 0.6511 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.13e-06/0.2537, allocations: 0 / 1.034 GB, free: 2.48 MB / 0.6511 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003847/0.2541, allocations: 95.88 kB / 1.034 GB, free: 2.387 MB / 0.6511 GB Notification: Performance of postOpt tearingSystem (simulation): time 5.821e-06/0.2541, allocations: 3.984 kB / 1.034 GB, free: 2.383 MB / 0.6511 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.384e-05/0.2542, allocations: 16.12 kB / 1.034 GB, free: 2.367 MB / 0.6511 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0008265/0.255, allocations: 1.766 MB / 1.036 GB, free: 0.5312 MB / 0.6511 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.643e-06/0.255, allocations: 0 / 1.036 GB, free: 0.5312 MB / 0.6511 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001418/0.2565, allocations: 1.124 MB / 1.037 GB, free: 15.38 MB / 0.6667 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002649/0.2567, allocations: 219.8 kB / 1.037 GB, free: 15.14 MB / 0.6667 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001128/0.2569, allocations: 15.98 kB / 1.037 GB, free: 15.12 MB / 0.6667 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000504/0.2574, allocations: 59.89 kB / 1.037 GB, free: 15.07 MB / 0.6667 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.858e-05/0.2575, allocations: 55.8 kB / 1.037 GB, free: 15.01 MB / 0.6667 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.517e-05/0.2575, allocations: 20 kB / 1.037 GB, free: 14.99 MB / 0.6667 GB Notification: Performance of sorting global known variables: time 0.000672/0.2582, allocations: 0.5549 MB / 1.038 GB, free: 14.43 MB / 0.6667 GB Notification: Performance of sort global known variables: time 2.41e-07/0.2582, allocations: 0 / 1.038 GB, free: 14.43 MB / 0.6667 GB Notification: Performance of remove unused functions: time 0.00111/0.2593, allocations: 455.2 kB / 1.038 GB, free: 13.98 MB / 0.6667 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 1 (mot.int.y) * Number of discrete variables: 8 ($whenCondition1,ySet.a,ySet.b,ySet.last,ySet.nextEvent,ySet.nextEventScaled,mot.uppHys.y,mot.lowHys.y) * Number of discrete states: 8 (ySet.nextEvent,ySet.last,ySet.nextEventScaled,ySet.b,ySet.a,$whenCondition1,mot.lowHys.y,mot.uppHys.y) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (38): * Single equations (assignments): 32 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 3 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 0 * Non-linear Jacobian: 3 {1,1,1} * Without analytic Jacobian: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.002313/0.2616, allocations: 1.887 MB / 1.04 GB, free: 12.06 MB / 0.6667 GB Notification: Performance of simCode: created initialization part: time 0.002044/0.2637, allocations: 1.032 MB / 1.041 GB, free: 11 MB / 0.6667 GB Notification: Performance of simCode: created event and clocks part: time 2.916e-06/0.2637, allocations: 0 / 1.041 GB, free: 11 MB / 0.6667 GB Notification: Performance of simCode: created simulation system equations: time 0.0005901/0.2643, allocations: 351.2 kB / 1.041 GB, free: 10.65 MB / 0.6667 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002128/0.2665, allocations: 385.6 kB / 1.042 GB, free: 10.27 MB / 0.6667 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008072/0.2745, allocations: 5.023 MB / 1.047 GB, free: 5.031 MB / 0.6667 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005736/0.2751, allocations: 1.001 MB / 1.048 GB, free: 4.004 MB / 0.6667 GB Notification: Performance of simCode: alias equations: time 0.000648/0.2758, allocations: 150.2 kB / 1.048 GB, free: 3.855 MB / 0.6667 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004007/0.2762, allocations: 331.3 kB / 1.048 GB, free: 3.531 MB / 0.6667 GB Notification: Performance of SimCode: time 2.805e-06/0.2762, allocations: 0 / 1.048 GB, free: 3.531 MB / 0.6667 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.3832/0.6595, allocations: 23.77 MB / 1.071 GB, free: 88.38 MB / 0.6823 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001344/0.6596, allocations: 256.5 kB / 1.072 GB, free: 88.04 MB / 0.6823 GB Notification: Performance of buildModelFMU: Generate platform static: time 2.737/3.396, allocations: 2.375 kB / 1.072 GB, free: 88.04 MB / 0.6823 GB (rm -f Buildings_8.0.0_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvesMotor.pipe ; mkfifo Buildings_8.0.0_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvesMotor.pipe ; head -c 1048576 < Buildings_8.0.0_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvesMotor.pipe >> ../files/Buildings_8.0.0_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvesMotor.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_8_0_0_Buildings_Fluid_Actuators_Valves_Examples_TwoWayValvesMotor_fmu --startTime=0 --stopTime=600 --timeout=50 --tolerance=1e-06 Buildings_8_0_0_Buildings_Fluid_Actuators_Valves_Examples_TwoWayValvesMotor.fmu > Buildings_8.0.0_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvesMotor.pipe 2>&1)