Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Annex60_1.0.0_Annex60.Fluid.MassExchangers.Examples.ConstantEffectiveness.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Annex60 1.0.0/package.mo", uses=false) Using package Annex60 with version 1.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Annex60 1.0.0/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(Annex60.Fluid.MassExchangers.Examples.ConstantEffectiveness,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Annex60_1.0.0_Annex60.Fluid.MassExchangers.Examples.ConstantEffectiveness") translateModel(Annex60.Fluid.MassExchangers.Examples.ConstantEffectiveness,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Annex60_1.0.0_Annex60.Fluid.MassExchangers.Examples.ConstantEffectiveness") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.01035/0.01035, allocations: 100.9 kB / 15.73 MB, free: 6.043 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001764/0.001764, allocations: 201.8 kB / 16.68 MB, free: 5.98 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.527/1.527, allocations: 205.1 MB / 222.5 MB, free: 4.41 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Annex60 1.0.0/package.mo): time 0.4743/0.4743, allocations: 54.94 MB / 324.8 MB, free: 68 kB / 254.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Annex60 requested package Modelica of version 3.2.2. Modelica 3.2.3 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001798/0.001798, allocations: 71.33 kB / 456.2 MB, free: 38.39 MB / 382.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1395/0.1413, allocations: 59.59 MB / 0.5037 GB, free: 9.844 MB / 382.1 MB Notification: Performance of NFInst.instantiate(Annex60.Fluid.MassExchangers.Examples.ConstantEffectiveness): time 0.6343/0.7756, allocations: 214.2 MB / 0.7129 GB, free: 15.17 MB / 0.5137 GB Notification: Performance of NFInst.instExpressions: time 0.01319/0.7889, allocations: 6.631 MB / 0.7194 GB, free: 13.25 MB / 0.5137 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003217/0.7922, allocations: 46.97 kB / 0.7195 GB, free: 13.23 MB / 0.5137 GB Notification: Performance of NFTyping.typeComponents: time 0.003874/0.7961, allocations: 0.9474 MB / 0.7204 GB, free: 12.53 MB / 0.5137 GB Notification: Performance of NFTyping.typeBindings: time 0.007929/0.804, allocations: 2.191 MB / 0.7225 GB, free: 11.14 MB / 0.5137 GB Notification: Performance of NFTyping.typeClassSections: time 0.004434/0.8085, allocations: 1.358 MB / 0.7239 GB, free: 10.23 MB / 0.5137 GB Notification: Performance of NFFlatten.flatten: time 0.005667/0.8142, allocations: 3.372 MB / 0.7271 GB, free: 8.398 MB / 0.5137 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002584/0.8168, allocations: 1.199 MB / 0.7283 GB, free: 7.66 MB / 0.5137 GB Notification: Performance of NFEvalConstants.evaluate: time 0.006145/0.8229, allocations: 2.19 MB / 0.7305 GB, free: 6.457 MB / 0.5137 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004071/0.827, allocations: 1.178 MB / 0.7316 GB, free: 5.848 MB / 0.5137 GB Notification: Performance of NFPackage.collectConstants: time 0.001059/0.8281, allocations: 149.1 kB / 0.7317 GB, free: 5.848 MB / 0.5137 GB Notification: Performance of NFFlatten.collectFunctions: time 0.006392/0.8345, allocations: 1.995 MB / 0.7337 GB, free: 4.973 MB / 0.5137 GB Notification: Performance of NFScalarize.scalarize: time 0.001201/0.8357, allocations: 0.5531 MB / 0.7342 GB, free: 4.574 MB / 0.5137 GB Notification: Performance of NFVerifyModel.verify: time 0.002684/0.8384, allocations: 0.8549 MB / 0.7351 GB, free: 3.723 MB / 0.5137 GB Notification: Performance of NFConvertDAE.convert: time 0.006897/0.8453, allocations: 2.773 MB / 0.7378 GB, free: 1.062 MB / 0.5137 GB Notification: Performance of FrontEnd - DAE generated: time 6.231e-06/0.8453, allocations: 0 / 0.7378 GB, free: 1.062 MB / 0.5137 GB Notification: Performance of FrontEnd: time 1.964e-06/0.8454, allocations: 0 / 0.7378 GB, free: 1.062 MB / 0.5137 GB Notification: Performance of Transformations before backend: time 9.27e-05/0.8455, allocations: 0 / 0.7378 GB, free: 1.062 MB / 0.5137 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 276 * Number of variables: 276 Notification: Performance of Generate backend data structure: time 0.007586/0.8531, allocations: 2.076 MB / 0.7398 GB, free: 14.95 MB / 0.5294 GB Notification: Performance of prepare preOptimizeDAE: time 4.805e-05/0.8531, allocations: 12.03 kB / 0.7398 GB, free: 14.94 MB / 0.5294 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003521/0.8566, allocations: 0.525 MB / 0.7403 GB, free: 14.41 MB / 0.5294 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002292/0.859, allocations: 1.054 MB / 0.7414 GB, free: 13.33 MB / 0.5294 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001062/0.8591, allocations: 86.11 kB / 0.7414 GB, free: 13.24 MB / 0.5294 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003123/0.8594, allocations: 115.1 kB / 0.7416 GB, free: 13.13 MB / 0.5294 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004284/0.8637, allocations: 1.541 MB / 0.7431 GB, free: 11.56 MB / 0.5294 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.584e-05/0.8637, allocations: 4 kB / 0.7431 GB, free: 11.56 MB / 0.5294 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001881/0.8639, allocations: 47.12 kB / 0.7431 GB, free: 11.52 MB / 0.5294 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.949e-05/0.864, allocations: 58.16 kB / 0.7432 GB, free: 11.46 MB / 0.5294 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004728/0.8688, allocations: 1.812 MB / 0.7449 GB, free: 9.637 MB / 0.5294 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 0.009278/0.8781, allocations: 4.943 MB / 0.7498 GB, free: 4.387 MB / 0.5294 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003013/0.8811, allocations: 1.079 MB / 0.7508 GB, free: 3.305 MB / 0.5294 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001479/0.8826, allocations: 0.6474 MB / 0.7514 GB, free: 2.652 MB / 0.5294 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0007023/0.8833, allocations: 249.6 kB / 0.7517 GB, free: 2.375 MB / 0.5294 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.13e-05/0.8834, allocations: 51.2 kB / 0.7517 GB, free: 2.316 MB / 0.5294 GB Notification: Performance of pre-optimization done (n=79): time 2.696e-06/0.8834, allocations: 0 / 0.7517 GB, free: 2.316 MB / 0.5294 GB Notification: Performance of matching and sorting (n=79): time 0.005719/0.8891, allocations: 1.91 MB / 0.7536 GB, free: 408 kB / 0.5294 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.442e-05/0.8892, allocations: 64.09 kB / 0.7537 GB, free: 332 kB / 0.5294 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001677/0.8909, allocations: 1.01 MB / 0.7546 GB, free: 15.3 MB / 0.545 GB Notification: Performance of collectPreVariables (initialization): time 0.0001625/0.8911, allocations: 45.7 kB / 0.7547 GB, free: 15.25 MB / 0.545 GB Notification: Performance of collectInitialEqns (initialization): time 0.000472/0.8916, allocations: 0.5411 MB / 0.7552 GB, free: 14.7 MB / 0.545 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002633/0.8918, allocations: 269.2 kB / 0.7555 GB, free: 14.44 MB / 0.545 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003703/0.8922, allocations: 178.4 kB / 0.7556 GB, free: 14.25 MB / 0.545 GB Notification: Performance of setup shared object (initialization): time 0.0001307/0.8924, allocations: 345.8 kB / 0.756 GB, free: 13.91 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001526/0.8939, allocations: 0.5981 MB / 0.7566 GB, free: 13.31 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001607/0.8955, allocations: 0.7363 MB / 0.7573 GB, free: 12.52 MB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002962/0.8985, allocations: 1.302 MB / 0.7585 GB, free: 11.18 MB / 0.545 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.01e-06/0.8985, allocations: 0 / 0.7585 GB, free: 11.18 MB / 0.545 GB Notification: Performance of matching and sorting (n=105) (initialization): time 0.003772/0.9023, allocations: 1.535 MB / 0.76 GB, free: 9.629 MB / 0.545 GB Notification: Performance of prepare postOptimizeDAE: time 5.38e-05/0.9023, allocations: 41.81 kB / 0.7601 GB, free: 9.582 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.187e-05/0.9024, allocations: 4 kB / 0.7601 GB, free: 9.578 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.489e-05/0.9024, allocations: 8 kB / 0.7601 GB, free: 9.57 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00387/0.9063, allocations: 0.585 MB / 0.7607 GB, free: 8.984 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005189/0.9115, allocations: 3.418 MB / 0.764 GB, free: 5.293 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001461/0.9129, allocations: 178.9 kB / 0.7642 GB, free: 5.117 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001406/0.9131, allocations: 35.98 kB / 0.7642 GB, free: 5.082 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001978/0.9151, allocations: 0.8297 MB / 0.765 GB, free: 4.25 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001572/0.9167, allocations: 0.7129 MB / 0.7657 GB, free: 3.477 MB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002799/0.9195, allocations: 1.24 MB / 0.7669 GB, free: 2.195 MB / 0.545 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.073e-06/0.9195, allocations: 4 kB / 0.7669 GB, free: 2.191 MB / 0.545 GB Notification: Performance of matching and sorting (n=105) (initialization_lambda0): time 0.003513/0.923, allocations: 1.485 MB / 0.7684 GB, free: 0.6914 MB / 0.545 GB Notification: Performance of prepare postOptimizeDAE: time 4.419e-05/0.9231, allocations: 41.69 kB / 0.7684 GB, free: 0.6445 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.119e-06/0.9231, allocations: 0 / 0.7684 GB, free: 0.6445 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.007e-05/0.9231, allocations: 12.12 kB / 0.7684 GB, free: 0.6328 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001402/0.9245, allocations: 279.6 kB / 0.7687 GB, free: 368 kB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.208e-05/0.9245, allocations: 5.328 kB / 0.7687 GB, free: 364 kB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001322/0.9259, allocations: 131.3 kB / 0.7688 GB, free: 232 kB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.671e-05/0.926, allocations: 43.97 kB / 0.7689 GB, free: 188 kB / 0.545 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 12 * Number of states: 0 () * Number of discrete variables: 2 (hex.i2_w,hex.i1_w) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (104): * Single equations (assignments): 101 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * 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): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0004333/0.9264, allocations: 232 kB / 0.7691 GB, free: 15.95 MB / 0.5606 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003773/0.9268, allocations: 118.6 kB / 0.7692 GB, free: 15.83 MB / 0.5606 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003517/0.9303, allocations: 1.435 MB / 0.7706 GB, free: 14.39 MB / 0.5606 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.327e-06/0.9304, allocations: 8.062 kB / 0.7706 GB, free: 14.38 MB / 0.5606 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.479e-06/0.9304, allocations: 4 kB / 0.7706 GB, free: 14.38 MB / 0.5606 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.378e-06/0.9304, allocations: 3.984 kB / 0.7706 GB, free: 14.37 MB / 0.5606 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005364/0.9357, allocations: 2.829 MB / 0.7734 GB, free: 11.46 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.061e-06/0.9358, allocations: 0 / 0.7734 GB, free: 11.46 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003508/0.9393, allocations: 0.5348 MB / 0.7739 GB, free: 10.93 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.205e-05/0.9393, allocations: 8 kB / 0.7739 GB, free: 10.92 MB / 0.5606 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.415e-05/0.9394, allocations: 19.98 kB / 0.7739 GB, free: 10.9 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004452/0.9439, allocations: 3.351 MB / 0.7772 GB, free: 7.27 MB / 0.5606 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.821e-06/0.9439, allocations: 4 kB / 0.7772 GB, free: 7.266 MB / 0.5606 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003571/0.9475, allocations: 1.527 MB / 0.7787 GB, free: 5.68 MB / 0.5606 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000756/0.9482, allocations: 347.3 kB / 0.779 GB, free: 5.32 MB / 0.5606 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002806/0.9485, allocations: 23.98 kB / 0.7791 GB, free: 5.297 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001426/0.95, allocations: 115.9 kB / 0.7792 GB, free: 5.184 MB / 0.5606 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001721/0.9502, allocations: 72.3 kB / 0.7792 GB, free: 5.113 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001433/0.9503, allocations: 47.95 kB / 0.7793 GB, free: 5.066 MB / 0.5606 GB Notification: Performance of sorting global known variables: time 0.001037/0.9514, allocations: 0.6988 MB / 0.78 GB, free: 4.359 MB / 0.5606 GB Notification: Performance of sort global known variables: time 1.3e-07/0.9514, allocations: 0 / 0.78 GB, free: 4.359 MB / 0.5606 GB Notification: Performance of remove unused functions: time 0.001864/0.9532, allocations: 0.6588 MB / 0.7806 GB, free: 3.699 MB / 0.5606 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 14 * 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 (79): * Single equations (assignments): 77 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * 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): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0005772/0.9538, allocations: 245.9 kB / 0.7808 GB, free: 3.477 MB / 0.5606 GB Notification: Performance of simCode: created initialization part: time 0.007962/0.9618, allocations: 2.506 MB / 0.7833 GB, free: 0.9453 MB / 0.5606 GB Notification: Performance of simCode: created event and clocks part: time 1.182e-05/0.9618, allocations: 4 kB / 0.7833 GB, free: 0.9414 MB / 0.5606 GB Notification: Performance of simCode: created simulation system equations: time 0.006/0.9678, allocations: 1.279 MB / 0.7845 GB, free: 15.67 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003453/0.9713, allocations: 0.63 MB / 0.7852 GB, free: 15.04 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005607/0.9769, allocations: 2.334 MB / 0.7874 GB, free: 12.63 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009022/0.9779, allocations: 1.154 MB / 0.7886 GB, free: 11.45 MB / 0.5762 GB Notification: Performance of simCode: alias equations: time 0.001659/0.9796, allocations: 413.1 kB / 0.789 GB, free: 11.04 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003896/0.98, allocations: 95.41 kB / 0.789 GB, free: 10.95 MB / 0.5762 GB Notification: Performance of SimCode: time 6.61e-07/0.98, allocations: 0 / 0.789 GB, free: 10.95 MB / 0.5762 GB Notification: Performance of Templates: time 0.04603/1.026, allocations: 26.05 MB / 0.8145 GB, free: 1.066 MB / 0.5919 GB make -j1 -f Annex60_1.0.0_Annex60.Fluid.MassExchangers.Examples.ConstantEffectiveness.makefile (rm -f Annex60_1.0.0_Annex60.Fluid.MassExchangers.Examples.ConstantEffectiveness.pipe ; mkfifo Annex60_1.0.0_Annex60.Fluid.MassExchangers.Examples.ConstantEffectiveness.pipe ; head -c 1048576 < Annex60_1.0.0_Annex60.Fluid.MassExchangers.Examples.ConstantEffectiveness.pipe >> ../files/Annex60_1.0.0_Annex60.Fluid.MassExchangers.Examples.ConstantEffectiveness.sim & ./Annex60_1.0.0_Annex60.Fluid.MassExchangers.Examples.ConstantEffectiveness -abortSlowSimulation -alarm=480 -lv LOG_STATS > Annex60_1.0.0_Annex60.Fluid.MassExchangers.Examples.ConstantEffectiveness.pipe 2>&1)