Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_100boreholes.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/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/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(IBPSA.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_100boreholes,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_Geothermal_Borefields_BaseClasses_HeatTransfer_ThermalResponseFactors_Validation_GFunction_100boreholes",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_100boreholes,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_Geothermal_Borefields_BaseClasses_HeatTransfer_ThermalResponseFactors_Validation_GFunction_100boreholes",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 0.0007349/0.0007349, allocations: 98.34 kB / 16.02 MB, free: 80 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0007783/0.0007784, allocations: 182.2 kB / 16.92 MB, free: 6.754 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.244/1.244, allocations: 223.3 MB / 241 MB, free: 5.336 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.631/0.631, allocations: 115.5 MB / 407.6 MB, free: 2.676 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0002767/0.0002767, allocations: 8 kB / 496 MB, free: 6.211 MB / 350.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1254/0.1257, allocations: 77.53 MB / 0.5601 GB, free: 8.883 MB / 430.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_100boreholes): time 0.00142/0.1272, allocations: 1.143 MB / 0.5612 GB, free: 7.727 MB / 430.1 MB Notification: Performance of NFInst.instExpressions: time 0.006425/0.1336, allocations: 4.386 MB / 0.5655 GB, free: 3.32 MB / 430.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 4.23e-05/0.1337, allocations: 0 / 0.5655 GB, free: 3.32 MB / 430.1 MB Notification: Performance of NFTyping.typeComponents: time 0.00011/0.1338, allocations: 7.922 kB / 0.5655 GB, free: 3.312 MB / 430.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0002212/0.134, allocations: 31.84 kB / 0.5655 GB, free: 3.281 MB / 430.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/Math/Random.mo:1057:5-1146:31:writable] Warning: Pure function ‘Modelica.Math.Random.Utilities.initializeImpureRandom‘ contains a call to impure function ‘Modelica.Math.Random.Utilities.initializeImpureRandom.setInternalState‘. Notification: Performance of NFTyping.typeClassSections: time 0.003009/0.1371, allocations: 1.185 MB / 0.5667 GB, free: 2.098 MB / 430.1 MB Notification: Performance of NFFlatten.flatten: time 0.0001421/0.1372, allocations: 115.7 kB / 0.5668 GB, free: 1.984 MB / 430.1 MB Notification: Performance of NFFlatten.resolveConnections: time 4.2e-05/0.1373, allocations: 7.938 kB / 0.5668 GB, free: 1.977 MB / 430.1 MB Notification: Performance of NFEvalConstants.evaluate: time 6.754e-05/0.1373, allocations: 43.84 kB / 0.5668 GB, free: 1.934 MB / 430.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0002733/0.1376, allocations: 228.9 kB / 0.5671 GB, free: 1.711 MB / 430.1 MB Notification: Performance of NFPackage.collectConstants: time 3.659e-05/0.1377, allocations: 12 kB / 0.5671 GB, free: 1.699 MB / 430.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002844/0.1405, allocations: 2.192 MB / 0.5692 GB, free: 15.5 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 0.000602/0.1411, allocations: 0.7497 MB / 0.5699 GB, free: 14.75 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0004444/0.1416, allocations: 0.5254 MB / 0.5705 GB, free: 14.21 MB / 446.1 MB Notification: Performance of NFConvertDAE.convert: time 0.003151/0.1447, allocations: 2.571 MB / 0.573 GB, free: 11.64 MB / 446.1 MB Notification: Performance of FrontEnd - DAE generated: time 2.505e-06/0.1447, allocations: 0 / 0.573 GB, free: 11.64 MB / 446.1 MB Notification: Performance of FrontEnd: time 1.002e-06/0.1448, allocations: 0 / 0.573 GB, free: 11.64 MB / 446.1 MB Notification: Performance of Transformations before backend: time 1.515e-05/0.1448, allocations: 0 / 0.573 GB, free: 11.64 MB / 446.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 7 * Number of variables: 7 Notification: Performance of Generate backend data structure: time 0.01071/0.1555, allocations: 1.859 MB / 0.5748 GB, free: 9.719 MB / 446.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.754e-05/0.1555, allocations: 12.03 kB / 0.5748 GB, free: 9.707 MB / 446.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 3.763e-05/0.1556, allocations: 30.75 kB / 0.5748 GB, free: 9.668 MB / 446.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000395/0.156, allocations: 166.5 kB / 0.575 GB, free: 9.504 MB / 446.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005342/0.1565, allocations: 0.5657 MB / 0.5755 GB, free: 8.875 MB / 446.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.327e-05/0.1565, allocations: 8.375 kB / 0.5755 GB, free: 8.867 MB / 446.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 4.243e-05/0.1566, allocations: 12.34 kB / 0.5756 GB, free: 8.855 MB / 446.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.000385/0.157, allocations: 395.3 kB / 0.5759 GB, free: 8.457 MB / 446.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 6.752e-06/0.157, allocations: 0 / 0.5759 GB, free: 8.457 MB / 446.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.105e-05/0.157, allocations: 0 / 0.5759 GB, free: 8.457 MB / 446.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.22e-06/0.157, allocations: 4 kB / 0.5759 GB, free: 8.453 MB / 446.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004078/0.1574, allocations: 435.7 kB / 0.5763 GB, free: 8.027 MB / 446.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0007978/0.1582, allocations: 0.9374 MB / 0.5773 GB, free: 7.031 MB / 446.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0004615/0.1587, allocations: 0.5633 MB / 0.5778 GB, free: 6.449 MB / 446.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002861/0.159, allocations: 333.7 kB / 0.5781 GB, free: 6.117 MB / 446.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0009248/0.1599, allocations: 1.04 MB / 0.5791 GB, free: 4.855 MB / 446.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003685/0.1603, allocations: 396.8 kB / 0.5795 GB, free: 4.449 MB / 446.1 MB Notification: Performance of pre-optimization done (n=8): time 2.415e-06/0.1603, allocations: 3.938 kB / 0.5795 GB, free: 4.445 MB / 446.1 MB Notification: Performance of matching and sorting (n=8): time 0.001273/0.1616, allocations: 1.37 MB / 0.5809 GB, free: 3.066 MB / 446.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 4.49e-05/0.1617, allocations: 89.05 kB / 0.581 GB, free: 2.961 MB / 446.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002064/0.1637, allocations: 2.212 MB / 0.5831 GB, free: 0.7188 MB / 446.1 MB Notification: Performance of collectPreVariables (initialization): time 3.725e-05/0.1638, allocations: 29.7 kB / 0.5831 GB, free: 0.6836 MB / 446.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0003764/0.1642, allocations: 0.525 MB / 0.5837 GB, free: 156 kB / 446.1 MB Notification: Performance of collectInitialBindings (initialization): time 3.309e-05/0.1642, allocations: 23.73 kB / 0.5837 GB, free: 132 kB / 446.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.2195/0.3837, allocations: 381 kB / 0.584 GB, free: 29.41 MB / 446.1 MB Notification: Performance of setup shared object (initialization): time 4.74e-05/0.3838, allocations: 302.3 kB / 0.5843 GB, free: 29.11 MB / 446.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002293/0.3861, allocations: 2.056 MB / 0.5863 GB, free: 29.11 MB / 446.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002108/0.3882, allocations: 2.234 MB / 0.5885 GB, free: 28.76 MB / 446.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.007634/0.3958, allocations: 4.679 MB / 0.5931 GB, free: 26.36 MB / 446.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.606e-06/0.3958, allocations: 0.5938 kB / 0.5931 GB, free: 26.36 MB / 446.1 MB Notification: Performance of matching and sorting (n=422) (initialization): time 0.006251/0.4021, allocations: 6.242 MB / 0.5992 GB, free: 23.33 MB / 446.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.961e-05/0.4021, allocations: 5.406 kB / 0.5992 GB, free: 23.33 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.519e-05/0.4022, allocations: 3.906 kB / 0.5992 GB, free: 23.33 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.725e-05/0.4022, allocations: 3 kB / 0.5992 GB, free: 23.33 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001206/0.4023, allocations: 15.2 kB / 0.5992 GB, free: 23.33 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.453e-06/0.4023, allocations: 5.75 kB / 0.5992 GB, free: 23.33 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005655/0.4029, allocations: 295.9 kB / 0.5995 GB, free: 23.14 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.941e-05/0.4029, allocations: 27.88 kB / 0.5995 GB, free: 23.13 MB / 446.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 2 * Number of states: 0 () * Number of discrete variables: 116 (cluSiz[5],cluSiz[4],cluSiz[3],cluSiz[2],cluSiz[1],labels[100],labels[99],labels[98],labels[97],labels[96],labels[95],labels[94],labels[93],labels[92],labels[91],labels[90],labels[89],labels[88],labels[87],labels[86],labels[85],labels[84],labels[83],labels[82],labels[81],labels[80],labels[79],labels[78],labels[77],labels[76],labels[75],labels[74],labels[73],labels[72],labels[71],labels[70],labels[69],labels[68],labels[67],labels[66],labels[65],labels[64],labels[63],labels[62],labels[61],labels[60],labels[59],labels[58],labels[57],labels[56],labels[55],labels[54],labels[53],labels[52],labels[51],labels[50],labels[49],labels[48],labels[47],labels[46],labels[45],labels[44],labels[43],labels[42],labels[41],labels[40],labels[39],labels[38],labels[37],labels[36],labels[35],labels[34],labels[33],labels[32],labels[31],labels[30],labels[29],labels[28],labels[27],labels[26],labels[25],labels[24],labels[23],labels[22],labels[21],labels[20],labels[19],labels[18],labels[17],labels[16],labels[15],labels[14],labels[13],labels[12],labels[11],labels[10],labels[9],labels[8],labels[7],labels[6],labels[5],labels[4],labels[3],labels[2],labels[1],gFun2,$PRE.gFun2,gFun1,$PRE.gFun1,t2,$PRE.t2,t1,$PRE.t1,k,$PRE.k,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (17): * Single equations (assignments): 13 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0005793/0.4035, allocations: 468.6 kB / 0.6 GB, free: 23 MB / 446.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.24e-05/0.4036, allocations: 142 kB / 0.6001 GB, free: 22.9 MB / 446.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0003078/0.4039, allocations: 149 kB / 0.6002 GB, free: 22.83 MB / 446.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.957e-06/0.404, allocations: 1.188 kB / 0.6003 GB, free: 22.83 MB / 446.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.231e-06/0.404, allocations: 7.297 kB / 0.6003 GB, free: 22.83 MB / 446.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.887e-06/0.404, allocations: 5.562 kB / 0.6003 GB, free: 22.83 MB / 446.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0006692/0.4046, allocations: 0.7702 MB / 0.601 GB, free: 22.46 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.764e-06/0.4047, allocations: 0.8438 kB / 0.601 GB, free: 22.46 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 6.354e-05/0.4047, allocations: 9.875 kB / 0.601 GB, free: 22.46 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 2.926e-06/0.4047, allocations: 1.031 kB / 0.601 GB, free: 22.46 MB / 446.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.314e-05/0.4048, allocations: 8.25 kB / 0.601 GB, free: 22.46 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.425e-06/0.4048, allocations: 1.578 kB / 0.601 GB, free: 22.46 MB / 446.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.775e-06/0.4048, allocations: 5 kB / 0.601 GB, free: 22.45 MB / 446.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0009724/0.4057, allocations: 1.078 MB / 0.6021 GB, free: 22.25 MB / 446.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0001349/0.4059, allocations: 220.7 kB / 0.6023 GB, free: 22.06 MB / 446.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.099e-05/0.406, allocations: 1.859 kB / 0.6023 GB, free: 22.06 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00021/0.4062, allocations: 8.484 kB / 0.6023 GB, free: 22.06 MB / 446.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 3.803e-05/0.4062, allocations: 17.02 kB / 0.6023 GB, free: 22.05 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.368e-05/0.4063, allocations: 12.56 kB / 0.6023 GB, free: 22.05 MB / 446.1 MB Notification: Performance of sorting global known variables: time 0.001441/0.4077, allocations: 1.301 MB / 0.6036 GB, free: 21.68 MB / 446.1 MB Notification: Performance of sort global known variables: time 1.61e-07/0.4077, allocations: 0 / 0.6036 GB, free: 21.68 MB / 446.1 MB Notification: Performance of remove unused functions: time 0.001489/0.4092, allocations: 0.6405 MB / 0.6042 GB, free: 21.65 MB / 446.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 2 * Number of states: 0 () * Number of discrete variables: 6 ($whenCondition1,k,t1,t2,gFun1,gFun2) * Number of discrete states: 2 (k,t2) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (8): * Single equations (assignments): 3 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 5 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.002722/0.412, allocations: 2.219 MB / 0.6064 GB, free: 20.9 MB / 446.1 MB Notification: Performance of simCode: created initialization part: time 0.00262/0.4146, allocations: 3.555 MB / 0.6099 GB, free: 19.56 MB / 446.1 MB Notification: Performance of simCode: created event and clocks part: time 2.104e-06/0.4146, allocations: 0 / 0.6099 GB, free: 19.56 MB / 446.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0003439/0.415, allocations: 340.1 kB / 0.6102 GB, free: 19.55 MB / 446.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005044/0.4155, allocations: 60.98 kB / 0.6103 GB, free: 19.5 MB / 446.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.3507/0.7662, allocations: 50.3 MB / 0.6594 GB, free: 3.059 MB / 478.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007475/0.767, allocations: 1.235 MB / 0.6606 GB, free: 1.793 MB / 478.1 MB Notification: Performance of simCode: alias equations: time 0.0001875/0.7672, allocations: 40.53 kB / 0.6606 GB, free: 1.754 MB / 478.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004699/0.7676, allocations: 0.5266 MB / 0.6611 GB, free: 1.227 MB / 478.1 MB Notification: Performance of SimCode: time 6.91e-07/0.7676, allocations: 0 / 0.6611 GB, free: 1.227 MB / 478.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1142/0.8819, allocations: 78.25 MB / 0.7376 GB, free: 3.168 MB / 0.545 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.000275/0.8822, allocations: 322.3 kB / 0.7379 GB, free: 2.789 MB / 0.545 GB Notification: Performance of buildModelFMU: Generate platform static: time 2.448/3.33, allocations: 0 / 0.7379 GB, free: 2.789 MB / 0.545 GB (rm -f IBPSA_latest_IBPSA.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_100boreholes.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_100boreholes.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_100boreholes.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_100boreholes.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IBPSA_latest_IBPSA_Fluid_Geothermal_Borefields_BaseClasses_HeatTransfer_ThermalResponseFactors_Validation_GFunction_100boreholes_fmu --startTime=0 --stopTime=3.7e+11 --timeout=50 --tolerance=1e-06 IBPSA_latest_IBPSA_Fluid_Geothermal_Borefields_BaseClasses_HeatTransfer_ThermalResponseFactors_Validation_GFunction_100boreholes.fmu > IBPSA_latest_IBPSA.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_100boreholes.pipe 2>&1)