Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.8.0.x_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves.conf.json loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaServices with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Using package Modelica with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package Buildings with version 8.0.1 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo) Running command: translateModel(Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves") translateModel(Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves") Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.794/1.794, allocations: 292.6 MB / 307.8 MB, free: 7.188 MB / 234.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0009536/0.0009538, allocations: 181.4 kB / 376.5 MB, free: 4.465 MB / 298.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.496/1.496, allocations: 225.7 MB / 0.655 GB, free: 13.18 MB / 490.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0007698/0.0007693, allocations: 95.86 kB / 0.7711 GB, free: 50.16 MB / 0.5417 GB Notification: Performance of FrontEnd - loaded program: time 0.0004755/0.0004757, allocations: 19.98 kB / 0.897 GB, free: 11.57 MB / 0.6198 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6693/0.6698, allocations: 118.2 MB / 1.012 GB, free: 57.14 MB / 0.7136 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves): time 0.02306/0.693, allocations: 27.74 MB / 1.039 GB, free: 45.06 MB / 0.7136 GB Notification: Performance of NFInst.instExpressions: time 0.01567/0.7087, allocations: 10.97 MB / 1.05 GB, free: 37.62 MB / 0.7136 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00168/0.7104, allocations: 38.75 kB / 1.05 GB, free: 37.59 MB / 0.7136 GB Notification: Performance of NFTyping.typeComponents: time 0.001044/0.7115, allocations: 303.7 kB / 1.051 GB, free: 37.43 MB / 0.7136 GB Notification: Performance of NFTyping.typeBindings: time 0.003624/0.7151, allocations: 1.16 MB / 1.052 GB, free: 36.77 MB / 0.7136 GB Notification: Performance of NFTyping.typeClassSections: time 0.002761/0.7179, allocations: 0.9645 MB / 1.053 GB, free: 36.32 MB / 0.7136 GB Notification: Performance of NFFlatten.flatten: time 0.005593/0.7235, allocations: 3.533 MB / 1.056 GB, free: 34.97 MB / 0.7136 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002473/0.726, allocations: 1.123 MB / 1.057 GB, free: 34.68 MB / 0.7136 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003751/0.7298, allocations: 1.476 MB / 1.059 GB, free: 34.23 MB / 0.7136 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003272/0.733, allocations: 1.548 MB / 1.06 GB, free: 33.81 MB / 0.7136 GB Notification: Performance of NFPackage.collectConstants: time 0.000387/0.7334, allocations: 68.31 kB / 1.06 GB, free: 33.81 MB / 0.7136 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002644/0.7361, allocations: 0.8964 MB / 1.061 GB, free: 33.57 MB / 0.7136 GB Notification: Performance of NFScalarize.scalarize: time 0.0004412/0.7365, allocations: 329.2 kB / 1.061 GB, free: 33.43 MB / 0.7136 GB Notification: Performance of NFVerifyModel.verify: time 0.0009401/0.7375, allocations: 0.6755 MB / 1.062 GB, free: 33.09 MB / 0.7136 GB Notification: Performance of NFConvertDAE.convert: time 0.001827/0.7393, allocations: 1.546 MB / 1.064 GB, free: 32.77 MB / 0.7136 GB Notification: Performance of FrontEnd - DAE generated: time 6.452e-06/0.7393, allocations: 0 / 1.064 GB, free: 32.77 MB / 0.7136 GB Notification: Performance of FrontEnd: time 1.963e-06/0.7394, allocations: 0 / 1.064 GB, free: 32.77 MB / 0.7136 GB Notification: Performance of Transformations before backend: time 1.74e-05/0.7394, allocations: 2.625 kB / 1.064 GB, free: 32.77 MB / 0.7136 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 145 * Number of variables: 145 Notification: Performance of Generate backend data structure: time 0.002093/0.7415, allocations: 1.306 MB / 1.065 GB, free: 31.87 MB / 0.7136 GB Notification: Performance of prepare preOptimizeDAE: time 4.201e-05/0.7415, allocations: 9.219 kB / 1.065 GB, free: 31.87 MB / 0.7136 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003059/0.7418, allocations: 152 kB / 1.065 GB, free: 31.8 MB / 0.7136 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001493/0.7433, allocations: 0.8904 MB / 1.066 GB, free: 31.31 MB / 0.7136 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.329e-05/0.7434, allocations: 80.75 kB / 1.066 GB, free: 31.28 MB / 0.7136 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002041/0.7436, allocations: 116.7 kB / 1.066 GB, free: 31.25 MB / 0.7136 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009876/0.7446, allocations: 0.6473 MB / 1.067 GB, free: 30.95 MB / 0.7136 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.75e-05/0.7447, allocations: 0 / 1.067 GB, free: 30.95 MB / 0.7136 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.462e-05/0.7447, allocations: 19.16 kB / 1.067 GB, free: 30.94 MB / 0.7136 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.411e-05/0.7447, allocations: 23.84 kB / 1.067 GB, free: 30.93 MB / 0.7136 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007781/0.7455, allocations: 472.8 kB / 1.067 GB, free: 30.79 MB / 0.7136 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 0.003803/0.7493, allocations: 2.87 MB / 1.07 GB, free: 28.98 MB / 0.7136 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0005091/0.7499, allocations: 316.3 kB / 1.07 GB, free: 28.86 MB / 0.7136 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002628/0.7501, allocations: 156.8 kB / 1.07 GB, free: 28.8 MB / 0.7136 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002411/0.7504, allocations: 350 kB / 1.071 GB, free: 28.42 MB / 0.7136 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.272e-05/0.7504, allocations: 34.84 kB / 1.071 GB, free: 28.38 MB / 0.7136 GB Notification: Performance of pre-optimization done (n=33): time 1.703e-06/0.7504, allocations: 0 / 1.071 GB, free: 28.38 MB / 0.7136 GB Notification: Performance of matching and sorting (n=33): time 0.00108/0.7515, allocations: 0.5373 MB / 1.071 GB, free: 28.18 MB / 0.7136 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.759e-05/0.7515, allocations: 58.56 kB / 1.071 GB, free: 28.11 MB / 0.7136 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008532/0.7524, allocations: 0.8884 MB / 1.072 GB, free: 27.73 MB / 0.7136 GB Notification: Performance of collectPreVariables (initialization): time 9.612e-05/0.7525, allocations: 57.7 kB / 1.072 GB, free: 27.69 MB / 0.7136 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003454/0.7529, allocations: 0.5223 MB / 1.073 GB, free: 27.26 MB / 0.7136 GB Notification: Performance of collectInitialBindings (initialization): time 6.674e-05/0.7529, allocations: 109.6 kB / 1.073 GB, free: 27.18 MB / 0.7136 GB Notification: Performance of simplifyInitialFunctions (initialization): time 2.748e-05/0.753, allocations: 15.31 kB / 1.073 GB, free: 27.16 MB / 0.7136 GB Notification: Performance of setup shared object (initialization): time 6.325e-05/0.753, allocations: 332.4 kB / 1.073 GB, free: 26.85 MB / 0.7136 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003138/0.7534, allocations: 179.2 kB / 1.073 GB, free: 26.79 MB / 0.7136 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009746/0.7543, allocations: 1.136 MB / 1.074 GB, free: 25.7 MB / 0.7136 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000634/0.755, allocations: 459.2 kB / 1.075 GB, free: 25.46 MB / 0.7136 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.745e-06/0.755, allocations: 0 / 1.075 GB, free: 25.46 MB / 0.7136 GB Notification: Performance of matching and sorting (n=73) (initialization): time 0.0009984/0.756, allocations: 0.6414 MB / 1.076 GB, free: 25.21 MB / 0.7136 GB Notification: Performance of prepare postOptimizeDAE: time 8.863e-05/0.7561, allocations: 153.7 kB / 1.076 GB, free: 25.05 MB / 0.7136 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.374e-06/0.7561, allocations: 2.969 kB / 1.076 GB, free: 25.05 MB / 0.7136 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.816e-05/0.7561, allocations: 6.594 kB / 1.076 GB, free: 25.05 MB / 0.7136 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001309/0.7575, allocations: 237.3 kB / 1.076 GB, free: 25.03 MB / 0.7136 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001027/0.7585, allocations: 2.957 MB / 1.079 GB, free: 22.06 MB / 0.7136 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003267/0.7618, allocations: 0.7553 MB / 1.08 GB, free: 21.96 MB / 0.7136 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.73e-05/0.7619, allocations: 25.62 kB / 1.08 GB, free: 21.95 MB / 0.7136 GB Notification: Performance of prepare postOptimizeDAE: time 8.867e-06/0.7619, allocations: 3.062 kB / 1.08 GB, free: 21.95 MB / 0.7136 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.0008458/0.7627, allocations: 0.4984 MB / 1.08 GB, free: 21.77 MB / 0.7136 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.037e-06/0.7627, allocations: 3.188 kB / 1.08 GB, free: 21.77 MB / 0.7136 GB Notification: Performance of postOpt tearingSystem (initialization): time 9.187e-06/0.7628, allocations: 8.562 kB / 1.08 GB, free: 21.77 MB / 0.7136 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006117/0.7634, allocations: 158.2 kB / 1.08 GB, free: 21.76 MB / 0.7136 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.532e-06/0.7634, allocations: 6.656 kB / 1.08 GB, free: 21.76 MB / 0.7136 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003156/0.7666, allocations: 0.7379 MB / 1.081 GB, free: 21.67 MB / 0.7136 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.236e-05/0.7666, allocations: 30.17 kB / 1.081 GB, free: 21.66 MB / 0.7136 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 9 * 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 (73): * Single equations (assignments): 68 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 5 * 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: 5 {1,1,1,1,1} * Without analytic Jacobian: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0005953/0.7672, allocations: 330.6 kB / 1.081 GB, free: 21.41 MB / 0.7136 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000141/0.7674, allocations: 92.81 kB / 1.081 GB, free: 21.36 MB / 0.7136 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001021/0.7684, allocations: 0.5158 MB / 1.082 GB, free: 21.16 MB / 0.7136 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.598e-06/0.7684, allocations: 2.75 kB / 1.082 GB, free: 21.16 MB / 0.7136 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.12e-06/0.7684, allocations: 3.281 kB / 1.082 GB, free: 21.16 MB / 0.7136 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.863e-06/0.7684, allocations: 3.281 kB / 1.082 GB, free: 21.16 MB / 0.7136 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001749/0.7702, allocations: 1.263 MB / 1.083 GB, free: 20.48 MB / 0.7136 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.649e-06/0.7702, allocations: 5.25 kB / 1.083 GB, free: 20.48 MB / 0.7136 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004933/0.7707, allocations: 117.6 kB / 1.083 GB, free: 20.47 MB / 0.7136 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.823e-06/0.7707, allocations: 3.5 kB / 1.083 GB, free: 20.47 MB / 0.7136 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.919e-05/0.7708, allocations: 12.77 kB / 1.083 GB, free: 20.47 MB / 0.7136 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0008332/0.7716, allocations: 2.944 MB / 1.086 GB, free: 17.5 MB / 0.7136 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.665e-06/0.7716, allocations: 3.938 kB / 1.086 GB, free: 17.5 MB / 0.7136 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0007422/0.7724, allocations: 0.5768 MB / 1.087 GB, free: 17.16 MB / 0.7136 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003171/0.7727, allocations: 224.9 kB / 1.087 GB, free: 16.98 MB / 0.7136 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.702e-05/0.7728, allocations: 12.53 kB / 1.087 GB, free: 16.98 MB / 0.7136 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004804/0.7733, allocations: 62.08 kB / 1.087 GB, free: 16.96 MB / 0.7136 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.104e-05/0.7734, allocations: 34.83 kB / 1.087 GB, free: 16.95 MB / 0.7136 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.646e-05/0.7734, allocations: 16.59 kB / 1.087 GB, free: 16.95 MB / 0.7136 GB Notification: Performance of sorting global known variables: time 0.0005946/0.774, allocations: 0.5862 MB / 1.088 GB, free: 16.7 MB / 0.7136 GB Notification: Performance of sort global known variables: time 1.3e-07/0.774, allocations: 0 / 1.088 GB, free: 16.7 MB / 0.7136 GB Notification: Performance of remove unused functions: time 0.001553/0.7756, allocations: 0.5312 MB / 1.088 GB, free: 16.59 MB / 0.7136 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * 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 simulation (39): * Single equations (assignments): 32 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 5 * 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: 5 {1,1,1,1,1} * Without analytic Jacobian: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0006613/0.7762, allocations: 338.8 kB / 1.088 GB, free: 16.43 MB / 0.7136 GB Notification: Performance of simCode: created initialization part: time 0.002245/0.7785, allocations: 0.8508 MB / 1.089 GB, free: 16.21 MB / 0.7136 GB Notification: Performance of simCode: created event and clocks part: time 3.176e-06/0.7785, allocations: 384 / 1.089 GB, free: 16.21 MB / 0.7136 GB Notification: Performance of simCode: created simulation system equations: time 0.0005068/0.779, allocations: 236.1 kB / 1.09 GB, free: 16.15 MB / 0.7136 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002461/0.7815, allocations: 483.5 kB / 1.09 GB, free: 16.06 MB / 0.7136 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002159/0.7837, allocations: 1.783 MB / 1.092 GB, free: 15.02 MB / 0.7136 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003796/0.7841, allocations: 1.019 MB / 1.093 GB, free: 14.29 MB / 0.7136 GB Notification: Performance of simCode: alias equations: time 0.001129/0.7852, allocations: 214.1 kB / 1.093 GB, free: 14.26 MB / 0.7136 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001571/0.7854, allocations: 78.48 kB / 1.093 GB, free: 14.25 MB / 0.7136 GB Notification: Performance of SimCode: time 8.61e-07/0.7854, allocations: 0 / 1.093 GB, free: 14.25 MB / 0.7136 GB Notification: Performance of Templates: time 0.03837/0.8238, allocations: 24.33 MB / 1.117 GB, free: 12.79 MB / 0.7136 GB make -j1 -f Buildings_maint.8.0.x_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves.makefile (rm -f Buildings_maint.8.0.x_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves.pipe ; mkfifo Buildings_maint.8.0.x_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves.pipe ; head -c 1048576 < Buildings_maint.8.0.x_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves.pipe >> ../files/Buildings_maint.8.0.x_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves.sim & ./Buildings_maint.8.0.x_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_maint.8.0.x_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves.pipe 2>&1)