Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_3.0.0_Buildings.Fluid.FixedResistances.BuriedPipes.Examples.PipeGroundCoupling.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/Buildings 12.0.0-master/package.mo", uses=false) Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-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: translateModel(Buildings.Fluid.FixedResistances.BuriedPipes.Examples.PipeGroundCoupling,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.FixedResistances.BuriedPipes.Examples.PipeGroundCoupling") translateModel(Buildings.Fluid.FixedResistances.BuriedPipes.Examples.PipeGroundCoupling,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.FixedResistances.BuriedPipes.Examples.PipeGroundCoupling") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001939/0.001939, allocations: 111.3 kB / 15.23 MB, free: 0.6406 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001324/0.001324, allocations: 195.4 kB / 16.14 MB, free: 6.688 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.478/1.478, allocations: 222.9 MB / 239.8 MB, free: 4.527 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.953/2.953, allocations: 472.6 MB / 0.7447 GB, free: 4.977 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.00124/0.00124, allocations: 61.11 kB / 0.9114 GB, free: 33.61 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3941/0.3954, allocations: 159.9 MB / 1.068 GB, free: 10.93 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.FixedResistances.BuriedPipes.Examples.PipeGroundCoupling): time 0.1136/0.509, allocations: 115.6 MB / 1.18 GB, free: 6.977 MB / 0.9356 GB Notification: Performance of NFInst.instExpressions: time 0.04189/0.551, allocations: 27.54 MB / 1.207 GB, free: 11.38 MB / 0.9669 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00784/0.5588, allocations: 107.4 kB / 1.207 GB, free: 11.27 MB / 0.9669 GB Notification: Performance of NFTyping.typeComponents: time 0.007052/0.566, allocations: 1.231 MB / 1.209 GB, free: 10.03 MB / 0.9669 GB Notification: Performance of NFTyping.typeBindings: time 0.01769/0.5837, allocations: 4.129 MB / 1.213 GB, free: 5.887 MB / 0.9669 GB Notification: Performance of NFTyping.typeClassSections: time 0.01019/0.5939, allocations: 2.777 MB / 1.215 GB, free: 3.121 MB / 0.9669 GB Notification: Performance of NFFlatten.flatten: time 0.0159/0.6099, allocations: 11.17 MB / 1.226 GB, free: 7.926 MB / 0.9825 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005428/0.6153, allocations: 2.318 MB / 1.228 GB, free: 5.539 MB / 0.9825 GB Notification: Performance of NFEvalConstants.evaluate: time 0.008719/0.6241, allocations: 2.831 MB / 1.231 GB, free: 2.695 MB / 0.9825 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005906/0.63, allocations: 2.442 MB / 1.234 GB, free: 248 kB / 0.9825 GB Notification: Performance of NFPackage.collectConstants: time 0.00181/0.6319, allocations: 156 kB / 1.234 GB, free: 92 kB / 0.9825 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01324/0.6452, allocations: 3.143 MB / 1.237 GB, free: 12.93 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.002001/0.6472, allocations: 0.6768 MB / 1.238 GB, free: 12.25 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.005576/0.6528, allocations: 1.632 MB / 1.239 GB, free: 10.61 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.7654/1.418, allocations: 18.6 MB / 1.257 GB, free: 42.53 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 5.56e-06/1.418, allocations: 0.6875 kB / 1.257 GB, free: 42.53 MB / 0.9981 GB Notification: Performance of FrontEnd: time 1.373e-06/1.418, allocations: 2.719 kB / 1.257 GB, free: 42.53 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 0.0001283/1.418, allocations: 1.344 kB / 1.257 GB, free: 42.53 MB / 0.9981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 450 * Number of variables: 450 Notification: Performance of Generate backend data structure: time 0.01186/1.43, allocations: 3.957 MB / 1.261 GB, free: 40.96 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 3.861e-05/1.43, allocations: 9.016 kB / 1.261 GB, free: 40.96 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001201/1.431, allocations: 353.1 kB / 1.261 GB, free: 40.8 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006147/1.438, allocations: 2.931 MB / 1.264 GB, free: 40.15 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.63e-05/1.438, allocations: 143.3 kB / 1.264 GB, free: 40.15 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003031/1.438, allocations: 195.9 kB / 1.265 GB, free: 40.14 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003442/1.441, allocations: 2.026 MB / 1.267 GB, free: 39.85 MB / 0.9981 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.73e-05/1.442, allocations: 14.41 kB / 1.267 GB, free: 39.85 MB / 0.9981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001739/1.442, allocations: 74.16 kB / 1.267 GB, free: 39.85 MB / 0.9981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.469e-05/1.442, allocations: 51.23 kB / 1.267 GB, free: 39.85 MB / 0.9981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002522/1.444, allocations: 1.466 MB / 1.268 GB, free: 39.83 MB / 0.9981 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 0.01677/1.461, allocations: 11.62 MB / 1.28 GB, free: 33.82 MB / 0.9981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002905/1.464, allocations: 1.17 MB / 1.281 GB, free: 33.79 MB / 0.9981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008932/1.465, allocations: 0.5647 MB / 1.281 GB, free: 33.78 MB / 0.9981 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001793/1.467, allocations: 2.982 MB / 1.284 GB, free: 30.4 MB / 0.9981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.435e-05/1.467, allocations: 52.19 kB / 1.284 GB, free: 30.36 MB / 0.9981 GB Notification: Performance of pre-optimization done (n=118): time 3.216e-06/1.467, allocations: 0 / 1.284 GB, free: 30.36 MB / 0.9981 GB Notification: Performance of matching and sorting (n=118): time 0.005678/1.472, allocations: 2.132 MB / 1.286 GB, free: 29.97 MB / 0.9981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.899e-05/1.473, allocations: 64.06 kB / 1.286 GB, free: 29.91 MB / 0.9981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003263/1.476, allocations: 2.177 MB / 1.288 GB, free: 29.67 MB / 0.9981 GB Notification: Performance of collectPreVariables (initialization): time 0.0002816/1.476, allocations: 53.08 kB / 1.289 GB, free: 29.64 MB / 0.9981 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008419/1.477, allocations: 1.226 MB / 1.29 GB, free: 29.23 MB / 0.9981 GB Notification: Performance of collectInitialBindings (initialization): time 0.000503/1.477, allocations: 428.9 kB / 1.29 GB, free: 28.96 MB / 0.9981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005446/1.478, allocations: 357.4 kB / 1.29 GB, free: 28.93 MB / 0.9981 GB Notification: Performance of setup shared object (initialization): time 4.234e-05/1.478, allocations: 301.1 kB / 1.291 GB, free: 28.63 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00141/1.479, allocations: 0.7538 MB / 1.292 GB, free: 28.62 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001762/1.481, allocations: 1.228 MB / 1.293 GB, free: 28.09 MB / 0.9981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00314/1.484, allocations: 1.793 MB / 1.294 GB, free: 27.61 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.26e-05/1.484, allocations: 4 kB / 1.294 GB, free: 27.61 MB / 0.9981 GB Notification: Performance of matching and sorting (n=216) (initialization): time 0.005468/1.49, allocations: 2.492 MB / 1.297 GB, free: 27.38 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 3.358e-05/1.49, allocations: 10.25 kB / 1.297 GB, free: 27.38 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.411e-05/1.49, allocations: 18.69 kB / 1.297 GB, free: 27.38 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001182/1.491, allocations: 253.5 kB / 1.297 GB, free: 27.35 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001444/1.493, allocations: 395.6 kB / 1.298 GB, free: 27.35 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008524/1.493, allocations: 1.242 MB / 1.299 GB, free: 26.31 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00362/1.497, allocations: 404.6 kB / 1.299 GB, free: 26.2 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002598/1.497, allocations: 87.92 kB / 1.299 GB, free: 26.2 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002624/1.5, allocations: 1.205 MB / 1.3 GB, free: 26.12 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001741/1.502, allocations: 1.219 MB / 1.302 GB, free: 25.59 MB / 0.9981 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002787/1.505, allocations: 1.79 MB / 1.303 GB, free: 25.11 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.845e-05/1.505, allocations: 4.125 kB / 1.303 GB, free: 25.11 MB / 0.9981 GB Notification: Performance of matching and sorting (n=216) (initialization_lambda0): time 0.006104/1.511, allocations: 2.481 MB / 1.306 GB, free: 24.88 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 2.95e-05/1.511, allocations: 12.16 kB / 1.306 GB, free: 24.88 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.607e-05/1.511, allocations: 19.17 kB / 1.306 GB, free: 24.88 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001083/1.512, allocations: 246.3 kB / 1.306 GB, free: 24.86 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001408/1.513, allocations: 396.1 kB / 1.306 GB, free: 24.86 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008325/1.514, allocations: 1.246 MB / 1.308 GB, free: 23.82 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003763/1.518, allocations: 366.7 kB / 1.308 GB, free: 23.74 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002416/1.518, allocations: 88.61 kB / 1.308 GB, free: 23.74 MB / 0.9981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 56 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (202): * Single equations (assignments): 195 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 5 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(1,5), (1,3)} Notification: Performance of prepare postOptimizeDAE: time 0.0006795/1.519, allocations: 285 kB / 1.308 GB, free: 23.54 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001448/1.52, allocations: 252.5 kB / 1.309 GB, free: 23.41 MB / 0.9981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.005358/1.526, allocations: 2.327 MB / 1.311 GB, free: 23.21 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.522e-05/1.526, allocations: 21.94 kB / 1.311 GB, free: 23.21 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.48e-05/1.526, allocations: 0 / 1.311 GB, free: 23.21 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003066/1.529, allocations: 1.752 MB / 1.313 GB, free: 22.89 MB / 0.9981 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.011/1.54, allocations: 5.175 MB / 1.318 GB, free: 21.88 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.466e-05/1.54, allocations: 18.92 kB / 1.318 GB, free: 21.88 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009641/1.541, allocations: 278.6 kB / 1.318 GB, free: 21.87 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0006977/1.542, allocations: 176.2 kB / 1.318 GB, free: 21.85 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001627/1.542, allocations: 66.75 kB / 1.318 GB, free: 21.85 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0006608/1.542, allocations: 1.233 MB / 1.319 GB, free: 20.81 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.283e-05/1.543, allocations: 21.55 kB / 1.319 GB, free: 20.8 MB / 0.9981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00542/1.548, allocations: 3.244 MB / 1.323 GB, free: 20 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001897/1.55, allocations: 0.5879 MB / 1.323 GB, free: 19.73 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008904/1.551, allocations: 48.06 kB / 1.323 GB, free: 19.73 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002703/1.553, allocations: 202.6 kB / 1.323 GB, free: 19.7 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002827/1.554, allocations: 164 kB / 1.324 GB, free: 19.69 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000239/1.554, allocations: 81.73 kB / 1.324 GB, free: 19.69 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.003153/1.557, allocations: 1.449 MB / 1.325 GB, free: 19.55 MB / 0.9981 GB Notification: Performance of sort global known variables: time 2.81e-07/1.557, allocations: 3.375 kB / 1.325 GB, free: 19.55 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.00875/1.566, allocations: 1.743 MB / 1.327 GB, free: 19.33 MB / 0.9981 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 45 * Number of states: 13 (pipeGroundCoupling.groActLay[1].T[1],pipeGroundCoupling.groActLay[1].T[2],pipeGroundCoupling.groActLay[1].T[3],pipeGroundCoupling.groActLay[1].T[4],pipeGroundCoupling.groActLay[1].T[5],pip.del.x,pip.timDel.x,pip.vol_b.dynBal.U,pip.vol_a.dynBal.U,pipNoGro.del.x,pipNoGro.timDel.x,pipNoGro.vol_b.dynBal.U,pipNoGro.vol_a.dynBal.U) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (164): * Single equations (assignments): 135 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 27 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(1,5), (1,7)} Notification: Performance of Backend phase and start with SimCode phase: time 0.008916/1.575, allocations: 3.654 MB / 1.33 GB, free: 18.8 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.006567/1.581, allocations: 3.084 MB / 1.333 GB, free: 18.5 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 1.444e-05/1.581, allocations: 2.938 kB / 1.333 GB, free: 18.5 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.002173/1.584, allocations: 1.126 MB / 1.334 GB, free: 18.36 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00925/1.593, allocations: 1.309 MB / 1.336 GB, free: 18.25 MB / 0.9981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0115/1.604, allocations: 6.462 MB / 1.342 GB, free: 14.36 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00207/1.607, allocations: 1.761 MB / 1.344 GB, free: 13.23 MB / 0.9981 GB Notification: Performance of simCode: alias equations: time 0.004454/1.611, allocations: 0.8642 MB / 1.345 GB, free: 12.88 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001148/1.612, allocations: 239.9 kB / 1.345 GB, free: 12.84 MB / 0.9981 GB Notification: Performance of SimCode: time 1.202e-06/1.612, allocations: 0 / 1.345 GB, free: 12.84 MB / 0.9981 GB Notification: Performance of Templates: time 0.1169/1.729, allocations: 63.98 MB / 1.407 GB, free: 4.113 MB / 1.045 GB make -j1 -f Buildings_3.0.0_Buildings.Fluid.FixedResistances.BuriedPipes.Examples.PipeGroundCoupling.makefile (rm -f Buildings_3.0.0_Buildings.Fluid.FixedResistances.BuriedPipes.Examples.PipeGroundCoupling.pipe ; mkfifo Buildings_3.0.0_Buildings.Fluid.FixedResistances.BuriedPipes.Examples.PipeGroundCoupling.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.Fluid.FixedResistances.BuriedPipes.Examples.PipeGroundCoupling.pipe >> ../files/Buildings_3.0.0_Buildings.Fluid.FixedResistances.BuriedPipes.Examples.PipeGroundCoupling.sim & ./Buildings_3.0.0_Buildings.Fluid.FixedResistances.BuriedPipes.Examples.PipeGroundCoupling -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.Fluid.FixedResistances.BuriedPipes.Examples.PipeGroundCoupling.pipe 2>&1)