Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_etaPL.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: translateModel(IBPSA.Fluid.Chillers.Validation.Carnot_TEva_etaPL,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_etaPL")
translateModel(IBPSA.Fluid.Chillers.Validation.Carnot_TEva_etaPL,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_etaPL")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00114/0.001141, allocations: 108.9 kB / 17.02 MB, free: 6.121 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001149/0.00115, allocations: 196.1 kB / 17.97 MB, free: 5.211 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.307/1.307, allocations: 222.9 MB / 241.7 MB, free: 15.17 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.6961/0.6961, allocations: 115.1 MB / 406.9 MB, free: 6.367 MB / 318.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001319/0.001319, allocations: 63.91 kB / 494.8 MB, free: 15.87 MB / 414.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3473/0.3486, allocations: 76.13 MB / 0.5575 GB, free: 36.53 MB / 446.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Chillers.Validation.Carnot_TEva_etaPL): time 0.0524/0.401, allocations: 61.17 MB / 0.6173 GB, free: 7.246 MB / 462.1 MB
Notification: Performance of NFInst.instExpressions: time 0.01649/0.4176, allocations: 11.98 MB / 0.629 GB, free: 11.23 MB / 478.1 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.00256/0.4202, allocations: 59.62 kB / 0.629 GB, free: 11.17 MB / 478.1 MB
Notification: Performance of NFTyping.typeComponents: time 0.001912/0.4221, allocations: 0.683 MB / 0.6297 GB, free: 10.48 MB / 478.1 MB
Notification: Performance of NFTyping.typeBindings: time 0.006404/0.4286, allocations: 1.959 MB / 0.6316 GB, free: 8.516 MB / 478.1 MB
Notification: Performance of NFTyping.typeClassSections: time 0.002996/0.4316, allocations: 1.209 MB / 0.6328 GB, free: 7.316 MB / 478.1 MB
Notification: Performance of NFFlatten.flatten: time 0.004383/0.436, allocations: 3.087 MB / 0.6358 GB, free: 4.223 MB / 478.1 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.001505/0.4375, allocations: 1.09 MB / 0.6369 GB, free: 3.102 MB / 478.1 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.003153/0.4406, allocations: 1.329 MB / 0.6382 GB, free: 1.77 MB / 478.1 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.001295/0.4419, allocations: 0.8983 MB / 0.6391 GB, free: 0.8672 MB / 478.1 MB
Notification: Performance of NFPackage.collectConstants: time 0.0001512/0.4421, allocations: 116 kB / 0.6392 GB, free: 0.7539 MB / 478.1 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.002772/0.4449, allocations: 1.474 MB / 0.6406 GB, free: 15.28 MB / 494.1 MB
Notification: Performance of NFScalarize.scalarize: time 0.0002838/0.4452, allocations: 294.8 kB / 0.6409 GB, free: 14.99 MB / 494.1 MB
Notification: Performance of NFVerifyModel.verify: time 0.0006999/0.4459, allocations: 0.692 MB / 0.6416 GB, free: 14.29 MB / 494.1 MB
Notification: Performance of NFConvertDAE.convert: time 0.003455/0.4494, allocations: 2.341 MB / 0.6438 GB, free: 11.95 MB / 494.1 MB
Notification: Performance of FrontEnd - DAE generated: time 4.99e-06/0.4494, allocations: 0 / 0.6438 GB, free: 11.95 MB / 494.1 MB
Notification: Performance of FrontEnd: time 1.483e-06/0.4494, allocations: 0 / 0.6438 GB, free: 11.95 MB / 494.1 MB
Notification: Performance of Transformations before backend: time 1.442e-05/0.4494, allocations: 0 / 0.6438 GB, free: 11.95 MB / 494.1 MB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 192
 * Number of variables: 192
Notification: Performance of Generate backend data structure: time 0.002885/0.4523, allocations: 1.742 MB / 0.6455 GB, free: 10.14 MB / 494.1 MB
Notification: Performance of prepare preOptimizeDAE: time 3.674e-05/0.4523, allocations: 8.031 kB / 0.6456 GB, free: 10.14 MB / 494.1 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001524/0.4539, allocations: 339 kB / 0.6459 GB, free: 9.805 MB / 494.1 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.002139/0.456, allocations: 1.17 MB / 0.647 GB, free: 8.582 MB / 494.1 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.113e-05/0.4561, allocations: 66 kB / 0.6471 GB, free: 8.516 MB / 494.1 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.000114/0.4562, allocations: 76 kB / 0.6472 GB, free: 8.441 MB / 494.1 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.001771/0.458, allocations: 0.9742 MB / 0.6481 GB, free: 7.41 MB / 494.1 MB
Notification: Performance of preOpt findStateOrder (simulation): time 2.091e-05/0.458, allocations: 0 / 0.6481 GB, free: 7.41 MB / 494.1 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.257e-05/0.4581, allocations: 36 kB / 0.6481 GB, free: 7.375 MB / 494.1 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.94e-05/0.4581, allocations: 20 kB / 0.6482 GB, free: 7.355 MB / 494.1 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001885/0.46, allocations: 0.804 MB / 0.6489 GB, free: 6.551 MB / 494.1 MB
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 0.006025/0.4661, allocations: 5.146 MB / 0.654 GB, free: 1.031 MB / 494.1 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.001381/0.4675, allocations: 0.564 MB / 0.6545 GB, free: 472 kB / 494.1 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0005355/0.468, allocations: 260.7 kB / 0.6548 GB, free: 208 kB / 494.1 MB
Notification: Performance of preOpt evalFunc (simulation): time 0.001284/0.4693, allocations: 1.373 MB / 0.6561 GB, free: 14.54 MB / 0.4981 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.62e-05/0.4694, allocations: 38.5 kB / 0.6561 GB, free: 14.49 MB / 0.4981 GB
Notification: Performance of pre-optimization done (n=44): time 1.953e-06/0.4694, allocations: 4 kB / 0.6562 GB, free: 14.48 MB / 0.4981 GB
Notification: Performance of matching and sorting (n=44): time 0.005084/0.4745, allocations: 1.49 MB / 0.6576 GB, free: 12.96 MB / 0.4981 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 3.408e-05/0.4745, allocations: 59.41 kB / 0.6577 GB, free: 12.89 MB / 0.4981 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001428/0.4759, allocations: 1.08 MB / 0.6587 GB, free: 11.8 MB / 0.4981 GB
Notification: Performance of collectPreVariables (initialization): time 5.231e-05/0.476, allocations: 37.7 kB / 0.6588 GB, free: 11.76 MB / 0.4981 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0003927/0.4764, allocations: 0.5234 MB / 0.6593 GB, free: 11.23 MB / 0.4981 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0001076/0.4765, allocations: 149.8 kB / 0.6594 GB, free: 11.08 MB / 0.4981 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002104/0.4767, allocations: 138.1 kB / 0.6595 GB, free: 10.94 MB / 0.4981 GB
Notification: Performance of setup shared object (initialization): time 0.0001082/0.4768, allocations: 329.9 kB / 0.6599 GB, free: 10.61 MB / 0.4981 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006836/0.4775, allocations: 287.2 kB / 0.6601 GB, free: 10.33 MB / 0.4981 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008231/0.4784, allocations: 497.9 kB / 0.6606 GB, free: 9.75 MB / 0.4981 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.00128/0.4797, allocations: 0.6577 MB / 0.6612 GB, free: 9.027 MB / 0.4981 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.777e-06/0.4797, allocations: 4 kB / 0.6612 GB, free: 9.023 MB / 0.4981 GB
Notification: Performance of matching and sorting (n=71) (initialization): time 0.002182/0.4819, allocations: 0.9654 MB / 0.6622 GB, free: 8.047 MB / 0.4981 GB
Notification: Performance of prepare postOptimizeDAE: time 1.998e-05/0.4819, allocations: 8 kB / 0.6622 GB, free: 8.039 MB / 0.4981 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.999e-06/0.4819, allocations: 4 kB / 0.6622 GB, free: 8.035 MB / 0.4981 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.001158/0.4831, allocations: 300.6 kB / 0.6625 GB, free: 7.738 MB / 0.4981 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004449/0.4835, allocations: 119.8 kB / 0.6626 GB, free: 7.621 MB / 0.4981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001252/0.4848, allocations: 0.9043 MB / 0.6635 GB, free: 6.691 MB / 0.4981 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009928/0.4858, allocations: 147.2 kB / 0.6636 GB, free: 6.547 MB / 0.4981 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.29e-05/0.4859, allocations: 27.98 kB / 0.6637 GB, free: 6.52 MB / 0.4981 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0009521/0.4868, allocations: 489.2 kB / 0.6641 GB, free: 6.039 MB / 0.4981 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0008257/0.4877, allocations: 0.4883 MB / 0.6646 GB, free: 5.461 MB / 0.4981 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001252/0.4889, allocations: 0.6542 MB / 0.6652 GB, free: 4.742 MB / 0.4981 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.398e-06/0.4889, allocations: 3.984 kB / 0.6652 GB, free: 4.738 MB / 0.4981 GB
Notification: Performance of matching and sorting (n=71) (initialization_lambda0): time 0.002112/0.4911, allocations: 0.9382 MB / 0.6662 GB, free: 3.789 MB / 0.4981 GB
Notification: Performance of prepare postOptimizeDAE: time 1.254e-05/0.4911, allocations: 8 kB / 0.6662 GB, free: 3.781 MB / 0.4981 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.342e-06/0.4911, allocations: 4 kB / 0.6662 GB, free: 3.777 MB / 0.4981 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0009548/0.4921, allocations: 301.7 kB / 0.6665 GB, free: 3.48 MB / 0.4981 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004383/0.4925, allocations: 123.7 kB / 0.6666 GB, free: 3.359 MB / 0.4981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0012/0.4937, allocations: 0.8933 MB / 0.6674 GB, free: 2.441 MB / 0.4981 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009958/0.4947, allocations: 127.7 kB / 0.6676 GB, free: 2.316 MB / 0.4981 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.972e-05/0.4948, allocations: 31.97 kB / 0.6676 GB, free: 2.285 MB / 0.4981 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 21
 * 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 (57):
 * Single equations (assignments): 56
 * Array equations: 0
 * Algorithm blocks: 0
 * 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
   {(1,14)}
Notification: Performance of prepare postOptimizeDAE: time 0.0001989/0.495, allocations: 220.7 kB / 0.6678 GB, free: 2.062 MB / 0.4981 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001554/0.4952, allocations: 114.6 kB / 0.6679 GB, free: 1.949 MB / 0.4981 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001961/0.4971, allocations: 0.9006 MB / 0.6688 GB, free: 1.039 MB / 0.4981 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.016e-05/0.4972, allocations: 8 kB / 0.6688 GB, free: 1.031 MB / 0.4981 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.669e-06/0.4972, allocations: 0 / 0.6688 GB, free: 1.031 MB / 0.4981 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.142e-06/0.4972, allocations: 3.984 kB / 0.6688 GB, free: 1.027 MB / 0.4981 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004932/0.5021, allocations: 2.202 MB / 0.671 GB, free: 14.74 MB / 0.5137 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.942e-06/0.5021, allocations: 0 / 0.671 GB, free: 14.74 MB / 0.5137 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001966/0.5023, allocations: 59.91 kB / 0.671 GB, free: 14.68 MB / 0.5137 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0009096/0.5032, allocations: 291 kB / 0.6713 GB, free: 14.39 MB / 0.5137 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.523e-05/0.5033, allocations: 15.98 kB / 0.6713 GB, free: 14.38 MB / 0.5137 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001283/0.5046, allocations: 0.9269 MB / 0.6722 GB, free: 13.43 MB / 0.5137 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.97e-06/0.5046, allocations: 8 kB / 0.6722 GB, free: 13.42 MB / 0.5137 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003644/0.5083, allocations: 1.228 MB / 0.6734 GB, free: 12.14 MB / 0.5137 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0004552/0.5087, allocations: 259.5 kB / 0.6737 GB, free: 11.87 MB / 0.5137 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001318/0.5089, allocations: 15.98 kB / 0.6737 GB, free: 11.85 MB / 0.5137 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006933/0.5096, allocations: 71.86 kB / 0.6738 GB, free: 11.78 MB / 0.5137 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 8.036e-05/0.5096, allocations: 35.89 kB / 0.6738 GB, free: 11.75 MB / 0.5137 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.873e-05/0.5097, allocations: 23.98 kB / 0.6738 GB, free: 11.72 MB / 0.5137 GB
Notification: Performance of sorting global known variables: time 0.001098/0.5108, allocations: 0.7589 MB / 0.6746 GB, free: 10.96 MB / 0.5137 GB
Notification: Performance of sort global known variables: time 2.6e-07/0.5108, allocations: 0 / 0.6746 GB, free: 10.96 MB / 0.5137 GB
Notification: Performance of remove unused functions: time 0.001531/0.5124, allocations: 0.5848 MB / 0.6751 GB, free: 10.37 MB / 0.5137 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 10
 * 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 (34):
 * Single equations (assignments): 29
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 4
 * 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
   {(1,16)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.0007835/0.5131, allocations: 403.3 kB / 0.6755 GB, free: 9.984 MB / 0.5137 GB
Notification: Performance of simCode: created initialization part: time 0.002567/0.5157, allocations: 1.035 MB / 0.6765 GB, free: 8.945 MB / 0.5137 GB
Notification: Performance of simCode: created event and clocks part: time 4.519e-06/0.5157, allocations: 0 / 0.6765 GB, free: 8.945 MB / 0.5137 GB
Notification: Performance of simCode: created simulation system equations: time 0.0007244/0.5165, allocations: 331 kB / 0.6768 GB, free: 8.625 MB / 0.5137 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001923/0.5184, allocations: 0.5047 MB / 0.6773 GB, free: 8.145 MB / 0.5137 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003114/0.5215, allocations: 1.824 MB / 0.6791 GB, free: 6.258 MB / 0.5137 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006243/0.5222, allocations: 1.057 MB / 0.6801 GB, free: 5.172 MB / 0.5137 GB
Notification: Performance of simCode: alias equations: time 0.0007721/0.523, allocations: 225.5 kB / 0.6804 GB, free: 4.953 MB / 0.5137 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001666/0.5231, allocations: 83.42 kB / 0.6804 GB, free: 4.871 MB / 0.5137 GB
Notification: Performance of SimCode: time 7.82e-07/0.5231, allocations: 0 / 0.6804 GB, free: 4.871 MB / 0.5137 GB
Notification: Performance of Templates: time 0.03769/0.5608, allocations: 25.2 MB / 0.705 GB, free: 11.96 MB / 0.545 GB
make -j1 -f IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_etaPL.makefile
(rm -f IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_etaPL.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_etaPL.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_etaPL.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_etaPL.sim & ./IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_etaPL  -abortSlowSimulation -alarm=480 -s cvode -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_etaPL.pipe 2>&1)