Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr PhotoVoltaics_PhotoVoltaics.Examples.SimpleCellTemperatureCharacteristic.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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/PhotoVoltaics 2.0.0/package.mo", uses=false) Using package PhotoVoltaics with version 2.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/PhotoVoltaics 2.0.0/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 ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(PhotoVoltaics.Examples.SimpleCellTemperatureCharacteristic,fileNamePrefix="PhotoVoltaics_PhotoVoltaics_Examples_SimpleCellTemperatureCharacteristic",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(PhotoVoltaics.Examples.SimpleCellTemperatureCharacteristic,fileNamePrefix="PhotoVoltaics_PhotoVoltaics_Examples_SimpleCellTemperatureCharacteristic",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 0.005374/0.005374, allocations: 96.47 kB / 15.73 MB, free: 6.051 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001251/0.001252, allocations: 197.9 kB / 16.67 MB, free: 5.973 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.465/1.465, allocations: 222.9 MB / 240.4 MB, free: 4.312 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/PhotoVoltaics 2.0.0/package.mo): time 0.1538/0.1538, allocations: 5.386 MB / 295.9 MB, free: 2.805 MB / 238.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002983/0.002983, allocations: 75.88 kB / 412.3 MB, free: 10.73 MB / 350.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2642/0.2672, allocations: 50.61 MB / 462.9 MB, free: 21.29 MB / 350.1 MB Notification: Performance of NFInst.instantiate(PhotoVoltaics.Examples.SimpleCellTemperatureCharacteristic): time 0.004295/0.2715, allocations: 3.892 MB / 466.8 MB, free: 18.52 MB / 350.1 MB Notification: Performance of NFInst.instExpressions: time 0.002179/0.2737, allocations: 1.509 MB / 468.3 MB, free: 17.41 MB / 350.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0003639/0.2741, allocations: 6.25 kB / 468.3 MB, free: 17.41 MB / 350.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0006069/0.2747, allocations: 239.7 kB / 468.6 MB, free: 17.29 MB / 350.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0005204/0.2753, allocations: 184 kB / 468.8 MB, free: 17.16 MB / 350.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0006084/0.2759, allocations: 221.6 kB / 469 MB, free: 17.03 MB / 350.1 MB Notification: Performance of NFFlatten.flatten: time 0.0008629/0.2768, allocations: 0.7786 MB / 469.7 MB, free: 16.63 MB / 350.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.000319/0.2771, allocations: 209.7 kB / 470 MB, free: 16.52 MB / 350.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0003802/0.2775, allocations: 302.9 kB / 470.2 MB, free: 16.37 MB / 350.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0004251/0.2779, allocations: 347.1 kB / 470.6 MB, free: 16.2 MB / 350.1 MB Notification: Performance of NFPackage.collectConstants: time 0.000119/0.278, allocations: 79.95 kB / 470.7 MB, free: 16.2 MB / 350.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0001701/0.2782, allocations: 86.41 kB / 470.7 MB, free: 16.19 MB / 350.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0001381/0.2784, allocations: 155.3 kB / 470.9 MB, free: 16.09 MB / 350.1 MB Notification: Performance of NFVerifyModel.verify: time 0.000296/0.2787, allocations: 328.3 kB / 471.2 MB, free: 15.87 MB / 350.1 MB Notification: Performance of NFConvertDAE.convert: time 0.000955/0.2796, allocations: 0.7534 MB / 472 MB, free: 15.55 MB / 350.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.019e-06/0.2796, allocations: 3.938 kB / 472 MB, free: 15.55 MB / 350.1 MB Notification: Performance of FrontEnd: time 1.493e-06/0.2796, allocations: 0 / 472 MB, free: 15.55 MB / 350.1 MB Notification: Performance of Transformations before backend: time 1.09e-05/0.2797, allocations: 0 / 472 MB, free: 15.55 MB / 350.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 86 * Number of variables: 86 Notification: Performance of Generate backend data structure: time 0.002415/0.2821, allocations: 1.05 MB / 473 MB, free: 14.86 MB / 350.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.098e-05/0.2821, allocations: 13.59 kB / 473 MB, free: 14.85 MB / 350.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 9.418e-05/0.2822, allocations: 75.14 kB / 473.1 MB, free: 14.79 MB / 350.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001319/0.2824, allocations: 66.3 kB / 473.2 MB, free: 14.75 MB / 350.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001386/0.2838, allocations: 0.5775 MB / 473.8 MB, free: 14.38 MB / 350.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.414e-05/0.2838, allocations: 32.84 kB / 473.8 MB, free: 14.36 MB / 350.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 6.843e-05/0.2839, allocations: 34.59 kB / 473.8 MB, free: 14.35 MB / 350.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001002/0.2849, allocations: 455.8 kB / 474.3 MB, free: 14.16 MB / 350.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.443e-05/0.2849, allocations: 0 / 474.3 MB, free: 14.16 MB / 350.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.963e-05/0.285, allocations: 11.06 kB / 474.3 MB, free: 14.15 MB / 350.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.05e-05/0.285, allocations: 7.688 kB / 474.3 MB, free: 14.15 MB / 350.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001187/0.2862, allocations: 419.2 kB / 474.7 MB, free: 14.03 MB / 350.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002588/0.2888, allocations: 1.567 MB / 476.3 MB, free: 12.99 MB / 350.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001282/0.2901, allocations: 0.5413 MB / 476.8 MB, free: 12.66 MB / 350.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005419/0.2906, allocations: 207.7 kB / 477 MB, free: 12.59 MB / 350.1 MB Notification: Performance of preOpt evalFunc (simulation): time 3.433e-05/0.2907, allocations: 3.484 kB / 477 MB, free: 12.59 MB / 350.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006633/0.2914, allocations: 288.5 kB / 477.3 MB, free: 12.46 MB / 350.1 MB Notification: Performance of pre-optimization done (n=29): time 1.764e-06/0.2914, allocations: 3.938 kB / 477.3 MB, free: 12.45 MB / 350.1 MB Notification: Performance of matching and sorting (n=29): time 0.00369/0.2951, allocations: 0.947 MB / 478.2 MB, free: 12.06 MB / 350.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 3.393e-05/0.2951, allocations: 85.58 kB / 478.3 MB, free: 11.96 MB / 350.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004482/0.2956, allocations: 437.7 kB / 478.8 MB, free: 11.7 MB / 350.1 MB Notification: Performance of collectPreVariables (initialization): time 3.615e-05/0.2956, allocations: 35.91 kB / 478.8 MB, free: 11.66 MB / 350.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001284/0.2958, allocations: 267.2 kB / 479 MB, free: 11.42 MB / 350.1 MB Notification: Performance of collectInitialBindings (initialization): time 5.588e-05/0.2958, allocations: 95.23 kB / 479.1 MB, free: 11.34 MB / 350.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001255/0.2959, allocations: 72.02 kB / 479.2 MB, free: 11.29 MB / 350.1 MB Notification: Performance of setup shared object (initialization): time 6.091e-05/0.296, allocations: 356.4 kB / 479.6 MB, free: 10.94 MB / 350.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005105/0.2965, allocations: 184.5 kB / 479.7 MB, free: 10.85 MB / 350.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005365/0.2971, allocations: 239.6 kB / 480 MB, free: 10.7 MB / 350.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0009772/0.2981, allocations: 423.9 kB / 480.4 MB, free: 10.44 MB / 350.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.236e-06/0.2981, allocations: 0 / 480.4 MB, free: 10.44 MB / 350.1 MB Notification: Performance of matching and sorting (n=41) (initialization): time 0.002569/0.3006, allocations: 0.7713 MB / 481.2 MB, free: 10.03 MB / 350.1 MB Notification: Performance of prepare postOptimizeDAE: time 3.171e-05/0.3007, allocations: 33.3 kB / 481.2 MB, free: 9.996 MB / 350.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.534e-06/0.3007, allocations: 5 kB / 481.2 MB, free: 9.992 MB / 350.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007963/0.3015, allocations: 242.3 kB / 481.4 MB, free: 9.875 MB / 350.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003787/0.3019, allocations: 78.41 kB / 481.5 MB, free: 9.852 MB / 350.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004216/0.3061, allocations: 3.724 MB / 485.2 MB, free: 6.344 MB / 350.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005736/0.3067, allocations: 66.3 kB / 485.3 MB, free: 6.309 MB / 350.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.444e-05/0.3068, allocations: 12.88 kB / 485.3 MB, free: 6.305 MB / 350.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0006114/0.3074, allocations: 312.5 kB / 485.6 MB, free: 6.102 MB / 350.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004875/0.3079, allocations: 225 kB / 485.8 MB, free: 5.961 MB / 350.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0009169/0.3088, allocations: 403.2 kB / 486.2 MB, free: 5.719 MB / 350.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.034e-06/0.3088, allocations: 1.125 kB / 486.2 MB, free: 5.719 MB / 350.1 MB Notification: Performance of matching and sorting (n=41) (initialization_lambda0): time 0.002586/0.3114, allocations: 0.7632 MB / 487 MB, free: 5.312 MB / 350.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.636e-05/0.3114, allocations: 32.92 kB / 487 MB, free: 5.281 MB / 350.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.596e-06/0.3115, allocations: 1.219 kB / 487 MB, free: 5.281 MB / 350.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007062/0.3122, allocations: 246.5 kB / 487.3 MB, free: 5.16 MB / 350.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003482/0.3125, allocations: 77.34 kB / 487.3 MB, free: 5.137 MB / 350.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004369/0.3169, allocations: 3.733 MB / 491.1 MB, free: 1.621 MB / 350.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006623/0.3176, allocations: 66.77 kB / 491.1 MB, free: 1.586 MB / 350.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.806e-05/0.3176, allocations: 16.92 kB / 491.2 MB, free: 1.578 MB / 350.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * Number of states: 0 () * Number of discrete variables: 6 (triangleAndStep.trapezoid.count,$PRE.triangleAndStep.trapezoid.count,triangleAndStep.trapezoid.T_start,$PRE.triangleAndStep.trapezoid.T_start,triangleAndStep.realToInteger.y,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (37): * Single equations (assignments): 34 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {2} * Without analytic Jacobian (size): 0 systems 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 {(1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.0002318/0.3179, allocations: 203.3 kB / 491.4 MB, free: 1.383 MB / 350.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 9.205e-05/0.318, allocations: 44.44 kB / 491.4 MB, free: 1.359 MB / 350.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002287/0.3203, allocations: 0.6433 MB / 492 MB, free: 1.012 MB / 350.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.729e-06/0.3203, allocations: 4.125 kB / 492 MB, free: 1.012 MB / 350.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.894e-06/0.3203, allocations: 0 / 492 MB, free: 1.012 MB / 350.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.092e-06/0.3203, allocations: 3.984 kB / 492.1 MB, free: 1.008 MB / 350.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002845/0.3232, allocations: 1.195 MB / 493.2 MB, free: 168 kB / 350.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.507e-06/0.3232, allocations: 0 / 493.2 MB, free: 168 kB / 350.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003387/0.3235, allocations: 61.45 kB / 493.3 MB, free: 152 kB / 350.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003584/0.3239, allocations: 163.4 kB / 493.5 MB, free: 68 kB / 350.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.173e-05/0.3239, allocations: 9.266 kB / 493.5 MB, free: 60 kB / 350.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003671/0.3276, allocations: 2.003 MB / 495.5 MB, free: 14.28 MB / 366.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.199e-06/0.3276, allocations: 3.938 kB / 495.5 MB, free: 14.28 MB / 366.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002526/0.3302, allocations: 0.7213 MB / 496.2 MB, free: 13.85 MB / 366.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0002344/0.3304, allocations: 156 kB / 496.4 MB, free: 13.7 MB / 366.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.613e-05/0.3305, allocations: 11.22 kB / 496.4 MB, free: 13.69 MB / 366.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004414/0.331, allocations: 47.88 kB / 496.4 MB, free: 13.66 MB / 366.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001276/0.3311, allocations: 42.08 kB / 496.5 MB, free: 13.64 MB / 366.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.093e-05/0.3311, allocations: 6.469 kB / 496.5 MB, free: 13.64 MB / 366.1 MB Notification: Performance of sorting global known variables: time 0.0004098/0.3315, allocations: 308.1 kB / 496.8 MB, free: 13.45 MB / 366.1 MB Notification: Performance of sort global known variables: time 1.5e-07/0.3315, allocations: 0 / 496.8 MB, free: 13.45 MB / 366.1 MB Notification: Performance of remove unused functions: time 0.0009233/0.3325, allocations: 225.7 kB / 497 MB, free: 13.4 MB / 366.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 2 * Number of states: 0 () * Number of discrete variables: 4 ($whenCondition1,triangleAndStep.realToInteger.y,triangleAndStep.trapezoid.T_start,triangleAndStep.trapezoid.count) * Number of discrete states: 1 (triangleAndStep.trapezoid.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (29): * Single equations (assignments): 26 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * 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 {(1,2)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002808/0.3353, allocations: 1.272 MB / 498.3 MB, free: 12.43 MB / 366.1 MB Notification: Performance of simCode: created initialization part: time 0.002796/0.3381, allocations: 1.285 MB / 499.5 MB, free: 11.27 MB / 366.1 MB Notification: Performance of simCode: created event and clocks part: time 2.925e-06/0.3381, allocations: 0 / 499.5 MB, free: 11.27 MB / 366.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0007296/0.3389, allocations: 326.7 kB / 499.9 MB, free: 10.94 MB / 366.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006288/0.3395, allocations: 95.73 kB / 500 MB, free: 10.85 MB / 366.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01042/0.3499, allocations: 4.745 MB / 0.4929 GB, free: 5.973 MB / 366.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005418/0.3505, allocations: 0.8353 MB / 0.4937 GB, free: 5.109 MB / 366.1 MB Notification: Performance of simCode: alias equations: time 0.0003583/0.3509, allocations: 76.06 kB / 0.4938 GB, free: 5.035 MB / 366.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002853/0.3512, allocations: 175.4 kB / 0.4939 GB, free: 4.863 MB / 366.1 MB Notification: Performance of SimCode: time 5.61e-07/0.3512, allocations: 0 / 0.4939 GB, free: 4.863 MB / 366.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.07362/0.4248, allocations: 14.67 MB / 0.5083 GB, free: 6.41 MB / 382.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 12.26/12.69, allocations: 11.31 kB / 0.5083 GB, free: 6.402 MB / 382.1 MB (rm -f PhotoVoltaics_PhotoVoltaics.Examples.SimpleCellTemperatureCharacteristic.pipe ; mkfifo PhotoVoltaics_PhotoVoltaics.Examples.SimpleCellTemperatureCharacteristic.pipe ; head -c 1048576 < PhotoVoltaics_PhotoVoltaics.Examples.SimpleCellTemperatureCharacteristic.pipe >> ../files/PhotoVoltaics_PhotoVoltaics.Examples.SimpleCellTemperatureCharacteristic.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_PhotoVoltaics_PhotoVoltaics_Examples_SimpleCellTemperatureCharacteristic_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 PhotoVoltaics_PhotoVoltaics_Examples_SimpleCellTemperatureCharacteristic.fmu > PhotoVoltaics_PhotoVoltaics.Examples.SimpleCellTemperatureCharacteristic.pipe 2>&1)