Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass.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/IDEAS 3.0.0/package.mo", uses=false)
Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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(IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass")
translateModel(IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.006422/0.006422, allocations: 99.41 kB / 15.73 MB, free: 6.004 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001198/0.001198, allocations: 191.4 kB / 16.67 MB, free: 5.93 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.257/1.257, allocations: 222.9 MB / 240.4 MB, free: 15.08 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7412/0.7412, allocations: 132.2 MB / 422.7 MB, free: 6.523 MB / 334.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001113/0.001113, allocations: 61.91 kB / 0.5813 GB, free: 23.84 MB / 446.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1679/0.169, allocations: 80.21 MB / 0.6597 GB, free: 10.25 MB / 0.4981 GB
Notification: Performance of NFInst.instantiate(IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass): time 0.6091/0.7781, allocations: 177.1 MB / 0.8326 GB, free: 13.8 MB / 0.6075 GB
Notification: Performance of NFInst.instExpressions: time 0.007827/0.786, allocations: 4.387 MB / 0.8369 GB, free: 10.24 MB / 0.6075 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001181/0.7872, allocations: 27 kB / 0.8369 GB, free: 10.23 MB / 0.6075 GB
Notification: Performance of NFTyping.typeComponents: time 0.001266/0.7886, allocations: 362.1 kB / 0.8373 GB, free: 9.934 MB / 0.6075 GB
Notification: Performance of NFTyping.typeBindings: time 0.003786/0.7924, allocations: 1.252 MB / 0.8385 GB, free: 8.969 MB / 0.6075 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002115/0.7945, allocations: 0.7026 MB / 0.8392 GB, free: 8.441 MB / 0.6075 GB
Notification: Performance of NFFlatten.flatten: time 0.002413/0.7969, allocations: 1.605 MB / 0.8408 GB, free: 7.52 MB / 0.6075 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.000902/0.7978, allocations: 0.5368 MB / 0.8413 GB, free: 7.203 MB / 0.6075 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.001568/0.7994, allocations: 0.6775 MB / 0.8419 GB, free: 6.793 MB / 0.6075 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.001482/0.8009, allocations: 0.4945 MB / 0.8424 GB, free: 6.5 MB / 0.6075 GB
Notification: Performance of NFPackage.collectConstants: time 0.000179/0.8011, allocations: 50.62 kB / 0.8425 GB, free: 6.5 MB / 0.6075 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002729/0.8038, allocations: 1.293 MB / 0.8437 GB, free: 5.781 MB / 0.6075 GB
Notification: Performance of NFScalarize.scalarize: time 0.0003616/0.8042, allocations: 228.6 kB / 0.844 GB, free: 5.629 MB / 0.6075 GB
Notification: Performance of NFVerifyModel.verify: time 0.0006444/0.8049, allocations: 351.2 kB / 0.8443 GB, free: 5.41 MB / 0.6075 GB
Notification: Performance of NFConvertDAE.convert: time 0.002569/0.8074, allocations: 1.297 MB / 0.8456 GB, free: 4.59 MB / 0.6075 GB
Notification: Performance of FrontEnd - DAE generated: time 4.469e-06/0.8075, allocations: 0 / 0.8456 GB, free: 4.59 MB / 0.6075 GB
Notification: Performance of FrontEnd: time 1.553e-06/0.8075, allocations: 4 kB / 0.8456 GB, free: 4.586 MB / 0.6075 GB
Notification: Performance of Transformations before backend: time 3.706e-05/0.8075, allocations: 0 / 0.8456 GB, free: 4.586 MB / 0.6075 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 104
 * Number of variables: 104
Notification: Performance of Generate backend data structure: time 0.002358/0.8099, allocations: 1.027 MB / 0.8466 GB, free: 3.746 MB / 0.6075 GB
Notification: Performance of prepare preOptimizeDAE: time 4.654e-05/0.8099, allocations: 9.531 kB / 0.8466 GB, free: 3.746 MB / 0.6075 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001232/0.8112, allocations: 173 kB / 0.8467 GB, free: 3.668 MB / 0.6075 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.001078/0.8123, allocations: 0.5643 MB / 0.8473 GB, free: 3.199 MB / 0.6075 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.376e-05/0.8123, allocations: 30.94 kB / 0.8473 GB, free: 3.184 MB / 0.6075 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 8.803e-05/0.8124, allocations: 58.33 kB / 0.8474 GB, free: 3.156 MB / 0.6075 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0008931/0.8133, allocations: 467.7 kB / 0.8478 GB, free: 2.891 MB / 0.6075 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.686e-05/0.8133, allocations: 0 / 0.8478 GB, free: 2.891 MB / 0.6075 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.796e-05/0.8134, allocations: 17.03 kB / 0.8478 GB, free: 2.879 MB / 0.6075 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.453e-05/0.8134, allocations: 13.66 kB / 0.8479 GB, free: 2.879 MB / 0.6075 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007921/0.8142, allocations: 415.6 kB / 0.8482 GB, free: 2.684 MB / 0.6075 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 0.002806/0.817, allocations: 2.037 MB / 0.8502 GB, free: 0.9336 MB / 0.6075 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0004679/0.8175, allocations: 271.1 kB / 0.8505 GB, free: 0.7891 MB / 0.6075 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0003053/0.8178, allocations: 188.4 kB / 0.8507 GB, free: 0.6953 MB / 0.6075 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002757/0.8181, allocations: 195.3 kB / 0.8509 GB, free: 0.4922 MB / 0.6075 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.999e-05/0.8181, allocations: 37.38 kB / 0.8509 GB, free: 460 kB / 0.6075 GB
Notification: Performance of pre-optimization done (n=30): time 1.562e-06/0.8182, allocations: 0 / 0.8509 GB, free: 460 kB / 0.6075 GB
Notification: Performance of matching and sorting (n=30): time 0.001594/0.8198, allocations: 0.6376 MB / 0.8515 GB, free: 68 kB / 0.6075 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 4.192e-05/0.8198, allocations: 54.41 kB / 0.8516 GB, free: 4 kB / 0.6075 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004999/0.8203, allocations: 454.4 kB / 0.852 GB, free: 15.72 MB / 0.6231 GB
Notification: Performance of collectPreVariables (initialization): time 4.116e-05/0.8204, allocations: 32.55 kB / 0.852 GB, free: 15.69 MB / 0.6231 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0002057/0.8206, allocations: 286.6 kB / 0.8523 GB, free: 15.43 MB / 0.6231 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0001057/0.8207, allocations: 108 kB / 0.8524 GB, free: 15.34 MB / 0.6231 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001109/0.8208, allocations: 73.12 kB / 0.8525 GB, free: 15.29 MB / 0.6231 GB
Notification: Performance of setup shared object (initialization): time 0.000141/0.821, allocations: 350.9 kB / 0.8528 GB, free: 14.95 MB / 0.6231 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002735/0.8212, allocations: 148 kB / 0.853 GB, free: 14.86 MB / 0.6231 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003014/0.8215, allocations: 198.4 kB / 0.8531 GB, free: 14.72 MB / 0.6231 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0005273/0.8221, allocations: 331 kB / 0.8535 GB, free: 14.53 MB / 0.6231 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.986e-06/0.8221, allocations: 0 / 0.8535 GB, free: 14.53 MB / 0.6231 GB
Notification: Performance of matching and sorting (n=37) (initialization): time 0.0007135/0.8228, allocations: 416.9 kB / 0.8539 GB, free: 14.3 MB / 0.6231 GB
Notification: Performance of prepare postOptimizeDAE: time 1.688e-05/0.8228, allocations: 5.188 kB / 0.8539 GB, free: 14.3 MB / 0.6231 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.286e-06/0.8229, allocations: 5.078 kB / 0.8539 GB, free: 14.3 MB / 0.6231 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.859e-05/0.8229, allocations: 1.906 kB / 0.8539 GB, free: 14.3 MB / 0.6231 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003092/0.8232, allocations: 69.06 kB / 0.8539 GB, free: 14.29 MB / 0.6231 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.39e-05/0.8232, allocations: 8.594 kB / 0.8539 GB, free: 14.29 MB / 0.6231 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000439/0.8237, allocations: 41.19 kB / 0.854 GB, free: 14.26 MB / 0.6231 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.418e-05/0.8237, allocations: 14.06 kB / 0.854 GB, free: 14.25 MB / 0.6231 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0003995/0.8241, allocations: 290.8 kB / 0.8543 GB, free: 14.06 MB / 0.6231 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003215/0.8245, allocations: 204.8 kB / 0.8545 GB, free: 13.92 MB / 0.6231 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005169/0.825, allocations: 324.4 kB / 0.8548 GB, free: 13.62 MB / 0.6231 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.924e-06/0.825, allocations: 0 / 0.8548 GB, free: 13.62 MB / 0.6231 GB
Notification: Performance of matching and sorting (n=37) (initialization_lambda0): time 0.0006968/0.8257, allocations: 409 kB / 0.8552 GB, free: 13.21 MB / 0.6231 GB
Notification: Performance of prepare postOptimizeDAE: time 1.029e-05/0.8257, allocations: 4 kB / 0.8552 GB, free: 13.21 MB / 0.6231 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.725e-06/0.8257, allocations: 4 kB / 0.8552 GB, free: 13.2 MB / 0.6231 GB
Notification: Performance of postOpt tearingSystem (initialization): time 6.131e-06/0.8257, allocations: 4 kB / 0.8552 GB, free: 13.2 MB / 0.6231 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002821/0.826, allocations: 68.78 kB / 0.8552 GB, free: 13.13 MB / 0.6231 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.352e-06/0.826, allocations: 7.922 kB / 0.8553 GB, free: 13.12 MB / 0.6231 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004207/0.8265, allocations: 33.44 kB / 0.8553 GB, free: 13.09 MB / 0.6231 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.612e-05/0.8265, allocations: 12.12 kB / 0.8553 GB, free: 13.08 MB / 0.6231 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 6
 * 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 (37):
 * Single equations (assignments): 37
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * 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 0.0001352/0.8266, allocations: 204.1 kB / 0.8555 GB, free: 12.88 MB / 0.6231 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000102/0.8268, allocations: 51.67 kB / 0.8555 GB, free: 12.82 MB / 0.6231 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008206/0.8276, allocations: 419 kB / 0.8559 GB, free: 12.41 MB / 0.6231 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.182e-06/0.8276, allocations: 4 kB / 0.8559 GB, free: 12.4 MB / 0.6231 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 8.516e-06/0.8276, allocations: 1.125 kB / 0.8559 GB, free: 12.4 MB / 0.6231 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0007086/0.8283, allocations: 450.4 kB / 0.8564 GB, free: 11.93 MB / 0.6231 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001749/0.8301, allocations: 1.132 MB / 0.8575 GB, free: 10.72 MB / 0.6231 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.919e-06/0.8301, allocations: 0 / 0.8575 GB, free: 10.72 MB / 0.6231 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002732/0.8304, allocations: 63.84 kB / 0.8575 GB, free: 10.66 MB / 0.6231 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0002348/0.8306, allocations: 53.03 kB / 0.8576 GB, free: 10.6 MB / 0.6231 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.172e-05/0.8307, allocations: 8 kB / 0.8576 GB, free: 10.59 MB / 0.6231 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001446/0.8321, allocations: 1.548 MB / 0.8591 GB, free: 8.91 MB / 0.6231 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.013e-06/0.8321, allocations: 4.031 kB / 0.8591 GB, free: 8.906 MB / 0.6231 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001141/0.8333, allocations: 0.7204 MB / 0.8598 GB, free: 8.145 MB / 0.6231 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.000283/0.8336, allocations: 164.7 kB / 0.86 GB, free: 7.965 MB / 0.6231 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.354e-05/0.8337, allocations: 8.062 kB / 0.86 GB, free: 7.957 MB / 0.6231 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005234/0.8342, allocations: 22.8 kB / 0.86 GB, free: 7.938 MB / 0.6231 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 9.81e-05/0.8343, allocations: 31.84 kB / 0.86 GB, free: 7.906 MB / 0.6231 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.694e-05/0.8344, allocations: 16 kB / 0.8601 GB, free: 7.891 MB / 0.6231 GB
Notification: Performance of sorting global known variables: time 0.0003524/0.8347, allocations: 314.9 kB / 0.8604 GB, free: 7.586 MB / 0.6231 GB
Notification: Performance of sort global known variables: time 1e-07/0.8348, allocations: 0 / 0.8604 GB, free: 7.586 MB / 0.6231 GB
Notification: Performance of remove unused functions: time 0.0008911/0.8356, allocations: 299.5 kB / 0.8606 GB, free: 7.293 MB / 0.6231 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 8
 * Number of states: 2 (vol.dynBal.U,vol.dynBal.mXi[1])
 * 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 (28):
 * Single equations (assignments): 27
 * 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): 1 system
   {(1,2,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 0 systems
Notification: Performance of Backend phase and start with SimCode phase: time 0.0005004/0.8362, allocations: 189.7 kB / 0.8608 GB, free: 7.105 MB / 0.6231 GB
Notification: Performance of simCode: created initialization part: time 0.0009461/0.8371, allocations: 492.3 kB / 0.8613 GB, free: 6.625 MB / 0.6231 GB
Notification: Performance of simCode: created event and clocks part: time 5.44e-06/0.8371, allocations: 0 / 0.8613 GB, free: 6.625 MB / 0.6231 GB
Notification: Performance of simCode: created simulation system equations: time 0.0004908/0.8376, allocations: 295.3 kB / 0.8616 GB, free: 6.324 MB / 0.6231 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001377/0.839, allocations: 312.2 kB / 0.8619 GB, free: 6.031 MB / 0.6231 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001776/0.8408, allocations: 1.089 MB / 0.8629 GB, free: 4.891 MB / 0.6231 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005138/0.8413, allocations: 0.8936 MB / 0.8638 GB, free: 3.969 MB / 0.6231 GB
Notification: Performance of simCode: alias equations: time 0.0005012/0.8418, allocations: 164.4 kB / 0.864 GB, free: 3.809 MB / 0.6231 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001095/0.842, allocations: 39.44 kB / 0.864 GB, free: 3.77 MB / 0.6231 GB
Notification: Performance of SimCode: time 2.41e-07/0.842, allocations: 4 kB / 0.864 GB, free: 3.766 MB / 0.6231 GB
Notification: Performance of Templates: time 0.01705/0.859, allocations: 10.3 MB / 0.8741 GB, free: 9.605 MB / 0.6387 GB
make -j1 -f IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass.makefile
(rm -f IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass.pipe ; mkfifo IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass.pipe >> ../files/IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass.sim & ./IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass  -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_IDEAS.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass.pipe 2>&1)