Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Trina_Analytical_20160704.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/PhotoVoltaics 2.0.0/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/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_TGM 2.0.0/package.mo", uses=false) Using package PhotoVoltaics_TGM with version 2.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/PhotoVoltaics_TGM 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) Using package PhotoVoltaics with version 2.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/PhotoVoltaics 2.0.0/package.mo) Running command: "" <> buildModelFMU(PhotoVoltaics_TGM.TGM_Trina_Analytical_20160704,fileNamePrefix="PhotoVoltaics_TGM_PhotoVoltaics_TGM_TGM_Trina_Analytical_20160704",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(PhotoVoltaics_TGM.TGM_Trina_Analytical_20160704,fileNamePrefix="PhotoVoltaics_TGM_PhotoVoltaics_TGM_TGM_Trina_Analytical_20160704",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/PhotoVoltaics 2.0.0/package.mo): time 0.03344/0.03344, allocations: 5.398 MB / 21.03 MB, free: 1.633 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.008124/0.008124, allocations: 107.5 kB / 23.03 MB, free: 0.8047 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001248/0.001249, allocations: 187.8 kB / 25.15 MB, free: 220 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.346/1.346, allocations: 222.9 MB / 250 MB, free: 8.441 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/PhotoVoltaics_TGM 2.0.0/package.mo): time 0.009027/0.009027, allocations: 2.321 MB / 303.7 MB, free: 6.48 MB / 238.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001625/0.001625, allocations: 107.8 kB / 419.1 MB, free: 23.01 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.09411/0.09575, allocations: 51.19 MB / 470.3 MB, free: 3.766 MB / 334.1 MB Notification: Performance of NFInst.instantiate(PhotoVoltaics_TGM.TGM_Trina_Analytical_20160704): time 0.008028/0.1038, allocations: 6.782 MB / 477.1 MB, free: 12.95 MB / 350.1 MB Notification: Performance of NFInst.instExpressions: time 0.005725/0.1096, allocations: 3.133 MB / 480.3 MB, free: 9.809 MB / 350.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009543/0.1105, allocations: 19.94 kB / 480.3 MB, free: 9.789 MB / 350.1 MB Notification: Performance of NFTyping.typeComponents: time 0.002753/0.1133, allocations: 1.096 MB / 481.4 MB, free: 8.688 MB / 350.1 MB Notification: Performance of NFTyping.typeBindings: time 0.00234/0.1157, allocations: 0.8421 MB / 482.2 MB, free: 7.844 MB / 350.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.002087/0.1178, allocations: 0.5356 MB / 482.7 MB, free: 7.312 MB / 350.1 MB Notification: Performance of NFFlatten.flatten: time 0.001902/0.1197, allocations: 1.39 MB / 484.1 MB, free: 5.918 MB / 350.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001934/0.1216, allocations: 1.025 MB / 485.2 MB, free: 4.863 MB / 350.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001037/0.1227, allocations: 0.5566 MB / 485.7 MB, free: 4.305 MB / 350.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.00133/0.124, allocations: 0.7159 MB / 486.4 MB, free: 3.586 MB / 350.1 MB Notification: Performance of NFPackage.collectConstants: time 0.000494/0.1245, allocations: 144 kB / 486.6 MB, free: 3.445 MB / 350.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001182/0.1257, allocations: 435.6 kB / 487 MB, free: 3.02 MB / 350.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0002247/0.1259, allocations: 287.1 kB / 487.3 MB, free: 2.738 MB / 350.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0005978/0.1265, allocations: 0.6337 MB / 487.9 MB, free: 2.102 MB / 350.1 MB Notification: Performance of NFConvertDAE.convert: time 0.001821/0.1284, allocations: 1.752 MB / 489.7 MB, free: 352 kB / 350.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.918e-06/0.1284, allocations: 0 / 489.7 MB, free: 352 kB / 350.1 MB Notification: Performance of FrontEnd: time 1.703e-06/0.1284, allocations: 0 / 489.7 MB, free: 352 kB / 350.1 MB Notification: Performance of Transformations before backend: time 2.449e-05/0.1284, allocations: 0 / 489.7 MB, free: 352 kB / 350.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 270 * Number of variables: 270 Notification: Performance of Generate backend data structure: time 0.00424/0.1327, allocations: 1.771 MB / 491.4 MB, free: 14.5 MB / 366.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.183e-05/0.1327, allocations: 12.03 kB / 491.4 MB, free: 14.49 MB / 366.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001748/0.1329, allocations: 164.9 kB / 491.6 MB, free: 14.32 MB / 366.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001987/0.1349, allocations: 367.3 kB / 492 MB, free: 13.96 MB / 366.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001593/0.1365, allocations: 0.7676 MB / 492.7 MB, free: 13.14 MB / 366.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.805e-05/0.1366, allocations: 78.06 kB / 492.8 MB, free: 13.07 MB / 366.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001619/0.1368, allocations: 108 kB / 492.9 MB, free: 12.96 MB / 366.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002194/0.139, allocations: 1.179 MB / 494.1 MB, free: 11.72 MB / 366.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 3.179e-05/0.139, allocations: 0 / 494.1 MB, free: 11.72 MB / 366.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.691e-05/0.1391, allocations: 48 kB / 494.1 MB, free: 11.68 MB / 366.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.994e-05/0.1392, allocations: 24 kB / 494.2 MB, free: 11.65 MB / 366.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002094/0.1413, allocations: 1.038 MB / 495.2 MB, free: 10.62 MB / 366.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.006193/0.1475, allocations: 4.365 MB / 499.6 MB, free: 6.047 MB / 366.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002861/0.1503, allocations: 1.766 MB / 0.4896 GB, free: 4.074 MB / 366.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007592/0.1511, allocations: 363.4 kB / 0.4899 GB, free: 3.711 MB / 366.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001781/0.1513, allocations: 186.6 kB / 0.4901 GB, free: 3.492 MB / 366.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001018/0.1523, allocations: 0.5436 MB / 0.4906 GB, free: 2.906 MB / 366.1 MB Notification: Performance of pre-optimization done (n=79): time 3.176e-06/0.1524, allocations: 4 kB / 0.4906 GB, free: 2.902 MB / 366.1 MB Notification: Performance of matching and sorting (n=79): time 0.005847/0.1582, allocations: 1.709 MB / 0.4923 GB, free: 1.148 MB / 366.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001548/0.1584, allocations: 281.6 kB / 0.4926 GB, free: 0.8125 MB / 366.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007192/0.1591, allocations: 0.5575 MB / 0.4931 GB, free: 252 kB / 366.1 MB Notification: Performance of collectPreVariables (initialization): time 6.294e-05/0.1592, allocations: 41.7 kB / 0.4932 GB, free: 204 kB / 366.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0003899/0.1596, allocations: 498.7 kB / 0.4936 GB, free: 15.7 MB / 382.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0002066/0.1598, allocations: 260.4 kB / 0.4939 GB, free: 15.44 MB / 382.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003117/0.1601, allocations: 206.7 kB / 0.4941 GB, free: 15.23 MB / 382.1 MB Notification: Performance of setup shared object (initialization): time 0.0002013/0.1603, allocations: 382.8 kB / 0.4945 GB, free: 14.85 MB / 382.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007833/0.1611, allocations: 322.4 kB / 0.4948 GB, free: 14.54 MB / 382.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009776/0.1621, allocations: 0.576 MB / 0.4953 GB, free: 13.86 MB / 382.1 MB Notification: It was not possible to check the given initialization system for consistency symbolically, because the relevant equations are part of an algebraic loop. This is not supported yet. Notification: Performance of analyzeInitialSystem (initialization): time 0.01699/0.1791, allocations: 3.619 MB / 0.4989 GB, free: 10.08 MB / 382.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.671e-05/0.1792, allocations: 7.938 kB / 0.4989 GB, free: 10.07 MB / 382.1 MB Notification: Performance of matching and sorting (n=133) (initialization): time 0.002586/0.1818, allocations: 1.205 MB / 0.5 GB, free: 8.836 MB / 382.1 MB Notification: Performance of prepare postOptimizeDAE: time 6.101e-05/0.1818, allocations: 85.11 kB / 0.5001 GB, free: 8.734 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.842e-05/0.1819, allocations: 8 kB / 0.5001 GB, free: 8.727 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004874/0.1824, allocations: 93.03 kB / 0.5002 GB, free: 8.633 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001078/0.1835, allocations: 247.6 kB / 0.5005 GB, free: 8.391 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001611/0.1851, allocations: 1.593 MB / 0.502 GB, free: 6.656 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00086/0.186, allocations: 122.9 kB / 0.5021 GB, free: 6.535 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.888e-05/0.186, allocations: 51.97 kB / 0.5022 GB, free: 6.484 MB / 382.1 MB Warning: The initial conditions are over specified. The following 1 initial equations are redundant, so they are removed from the initialization system: $PRE.irradiance.daysOfYear = PhotoVoltaics.Functions.dayOfTheYear(31, 12, irradiance.startYear). Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 32 * Number of states: 0 () * Number of discrete variables: 27 (writeCSV.firstTrigger,$PRE.writeCSV.firstTrigger,irradiance.year,$PRE.irradiance.year,mpTracker.signv,$PRE.mpTracker.signv,mpTracker.firstTrigger,$PRE.mpTracker.firstTrigger,mpTracker.counter,$PRE.mpTracker.counter,writeCSV.sampleTrigger,$whenCondition4,mpTracker.sampleTrigger,$whenCondition1,irradiance.localDays,irradiance.daysOfYear,$PRE.irradiance.daysOfYear,irradiance.dayOfYear,$PRE.irradiance.dayOfYear,irradiance.startDayOfYear,$PRE.irradiance.startDayOfYear,mpTracker.vRef,$PRE.mpTracker.vRef,$whenCondition3,$whenCondition2,integrator.local_reset,converter.integrator.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (129): * Single equations (assignments): 125 * Array equations: 0 * Algorithm blocks: 3 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 0 * 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: Performance of prepare postOptimizeDAE: time 0.000564/0.1866, allocations: 369.4 kB / 0.5025 GB, free: 6.094 MB / 382.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001469/0.1868, allocations: 83 kB / 0.5026 GB, free: 6.012 MB / 382.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002517/0.1893, allocations: 1.253 MB / 0.5038 GB, free: 4.727 MB / 382.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.384e-06/0.1893, allocations: 8 kB / 0.5038 GB, free: 4.719 MB / 382.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.475e-06/0.1893, allocations: 0 / 0.5038 GB, free: 4.719 MB / 382.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.347e-06/0.1893, allocations: 3.984 kB / 0.5038 GB, free: 4.715 MB / 382.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00635/0.1957, allocations: 2.543 MB / 0.5063 GB, free: 2.09 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.051e-06/0.1957, allocations: 8.031 kB / 0.5063 GB, free: 2.082 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005613/0.1963, allocations: 127.8 kB / 0.5065 GB, free: 1.957 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0007899/0.1971, allocations: 334.2 kB / 0.5068 GB, free: 1.621 MB / 382.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.695e-05/0.1972, allocations: 31.97 kB / 0.5068 GB, free: 1.59 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001263/0.1984, allocations: 0.8935 MB / 0.5077 GB, free: 0.6641 MB / 382.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.974e-06/0.1984, allocations: 0 / 0.5077 GB, free: 0.6641 MB / 382.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2099/0.4084, allocations: 1.918 MB / 0.5096 GB, free: 46.5 MB / 382.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0003647/0.4088, allocations: 239.5 kB / 0.5098 GB, free: 46.41 MB / 382.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001336/0.4089, allocations: 30.31 kB / 0.5098 GB, free: 46.41 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000677/0.4096, allocations: 53.8 kB / 0.5099 GB, free: 46.41 MB / 382.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001915/0.4098, allocations: 61.56 kB / 0.5099 GB, free: 46.41 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.966e-05/0.4099, allocations: 36.86 kB / 0.51 GB, free: 46.41 MB / 382.1 MB Notification: Performance of sorting global known variables: time 0.0005803/0.4105, allocations: 392 kB / 0.5103 GB, free: 46.32 MB / 382.1 MB Notification: Performance of sort global known variables: time 1e-07/0.4105, allocations: 0 / 0.5103 GB, free: 46.32 MB / 382.1 MB Notification: Performance of remove unused functions: time 0.001452/0.4119, allocations: 346.2 kB / 0.5107 GB, free: 46.32 MB / 382.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 3 (converter.integrator.y,integrator.y,voltageSource.pin_p.reference.gamma) * Number of discrete variables: 16 ($whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,mpTracker.firstTrigger,mpTracker.sampleTrigger,mpTracker.counter,mpTracker.signv,mpTracker.vRef,irradiance.startDayOfYear,irradiance.dayOfYear,irradiance.daysOfYear,irradiance.year,irradiance.localDays,writeCSV.sampleTrigger,writeCSV.firstTrigger) * Number of discrete states: 16 (irradiance.daysOfYear,irradiance.year,irradiance.startDayOfYear,$whenCondition3,irradiance.dayOfYear,$whenCondition2,mpTracker.signv,mpTracker.vRef,mpTracker.firstTrigger,mpTracker.counter,$whenCondition1,mpTracker.sampleTrigger,mpTracker.power,writeCSV.firstTrigger,$whenCondition4,writeCSV.sampleTrigger) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (80): * Single equations (assignments): 77 * Array equations: 0 * Algorithm blocks: 2 * 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 {(1,4)} Notification: Performance of Backend phase and start with SimCode phase: time 0.00633/0.4183, allocations: 2.71 MB / 0.5133 GB, free: 45.39 MB / 382.1 MB Notification: Performance of simCode: created initialization part: time 0.002483/0.4208, allocations: 1.155 MB / 0.5144 GB, free: 44.84 MB / 382.1 MB Notification: Performance of simCode: created event and clocks part: time 3.055e-06/0.4208, allocations: 1.406 kB / 0.5144 GB, free: 44.84 MB / 382.1 MB Notification: Performance of simCode: created simulation system equations: time 0.001014/0.4218, allocations: 0.6644 MB / 0.5151 GB, free: 44.46 MB / 382.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0007827/0.4226, allocations: 144.4 kB / 0.5152 GB, free: 44.42 MB / 382.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01169/0.4343, allocations: 7.115 MB / 0.5222 GB, free: 40.5 MB / 382.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006667/0.435, allocations: 1.016 MB / 0.5232 GB, free: 39.78 MB / 382.1 MB Notification: Performance of simCode: alias equations: time 0.0006135/0.4356, allocations: 123.2 kB / 0.5233 GB, free: 39.75 MB / 382.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004873/0.4361, allocations: 401.3 kB / 0.5237 GB, free: 39.45 MB / 382.1 MB Notification: Performance of SimCode: time 1.503e-06/0.4361, allocations: 1.062 kB / 0.5237 GB, free: 39.45 MB / 382.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.04233/0.4785, allocations: 21.28 MB / 0.5444 GB, free: 24.67 MB / 382.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 12.9/13.38, allocations: 7.156 kB / 0.5445 GB, free: 24.66 MB / 382.1 MB (rm -f PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Trina_Analytical_20160704.pipe ; mkfifo PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Trina_Analytical_20160704.pipe ; head -c 1048576 < PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Trina_Analytical_20160704.pipe >> ../files/PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Trina_Analytical_20160704.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_PhotoVoltaics_TGM_PhotoVoltaics_TGM_TGM_Trina_Analytical_20160704_fmu --startTime=0 --stopTime=86400 --timeout=50 --tolerance=1e-08 PhotoVoltaics_TGM_PhotoVoltaics_TGM_TGM_Trina_Analytical_20160704.fmu > PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Trina_Analytical_20160704.pipe 2>&1)