Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlow.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-master/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-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(IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlow") translateModel(IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlow") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001044/0.001044, allocations: 111.3 kB / 15.23 MB, free: 0.6602 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001149/0.001149, allocations: 195 kB / 16.14 MB, free: 6.648 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.34/1.34, allocations: 222.9 MB / 239.8 MB, free: 4.586 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 1.007/1.007, allocations: 135.1 MB / 425.1 MB, free: 11.84 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001402/0.001402, allocations: 67.67 kB / 0.5047 GB, free: 5.75 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1545/0.1559, allocations: 80.91 MB / 0.5837 GB, free: 5 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlow): time 0.4718/0.6277, allocations: 159.3 MB / 0.7393 GB, free: 9.684 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.003286/0.6311, allocations: 1.784 MB / 0.7411 GB, free: 8.445 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.000348/0.6314, allocations: 9 kB / 0.7411 GB, free: 8.441 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.0005491/0.632, allocations: 134.6 kB / 0.7412 GB, free: 8.363 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.00128/0.6333, allocations: 0.49 MB / 0.7417 GB, free: 8.109 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.00104/0.6344, allocations: 354.1 kB / 0.742 GB, free: 7.938 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.003173/0.6375, allocations: 3.476 MB / 0.7454 GB, free: 6.105 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001013/0.6386, allocations: 0.7578 MB / 0.7461 GB, free: 5.688 MB / 0.5606 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001601/0.6402, allocations: 0.9097 MB / 0.747 GB, free: 5.207 MB / 0.5606 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001116/0.6413, allocations: 0.7429 MB / 0.7478 GB, free: 4.785 MB / 0.5606 GB Notification: Performance of NFPackage.collectConstants: time 0.0001918/0.6415, allocations: 36.69 kB / 0.7478 GB, free: 4.785 MB / 0.5606 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001742/0.6433, allocations: 0.8023 MB / 0.7486 GB, free: 4.332 MB / 0.5606 GB Notification: Performance of NFScalarize.scalarize: time 0.0004022/0.6437, allocations: 284.6 kB / 0.7489 GB, free: 4.145 MB / 0.5606 GB Notification: Performance of NFVerifyModel.verify: time 0.0008676/0.6446, allocations: 0.5153 MB / 0.7494 GB, free: 3.836 MB / 0.5606 GB Notification: Performance of NFConvertDAE.convert: time 0.001725/0.6463, allocations: 1.382 MB / 0.7507 GB, free: 2.48 MB / 0.5606 GB Notification: Performance of FrontEnd - DAE generated: time 5.28e-06/0.6463, allocations: 0 / 0.7507 GB, free: 2.48 MB / 0.5606 GB Notification: Performance of FrontEnd: time 8.11e-07/0.6463, allocations: 0 / 0.7507 GB, free: 2.48 MB / 0.5606 GB Notification: Performance of Transformations before backend: time 1.395e-05/0.6463, allocations: 0 / 0.7507 GB, free: 2.48 MB / 0.5606 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 126 * Number of variables: 126 Notification: Performance of Generate backend data structure: time 0.002268/0.6486, allocations: 1.454 MB / 0.7521 GB, free: 0.9688 MB / 0.5606 GB Notification: Performance of prepare preOptimizeDAE: time 3.601e-05/0.6487, allocations: 11.97 kB / 0.7521 GB, free: 0.957 MB / 0.5606 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007428/0.6494, allocations: 190.4 kB / 0.7523 GB, free: 0.7695 MB / 0.5606 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00113/0.6505, allocations: 0.7944 MB / 0.7531 GB, free: 15.92 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.845e-05/0.6506, allocations: 45 kB / 0.7531 GB, free: 15.87 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.615e-05/0.6507, allocations: 60 kB / 0.7532 GB, free: 15.81 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001145/0.6518, allocations: 0.7991 MB / 0.754 GB, free: 14.95 MB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.427e-05/0.6519, allocations: 4 kB / 0.754 GB, free: 14.94 MB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.752e-05/0.6519, allocations: 16 kB / 0.754 GB, free: 14.93 MB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.397e-05/0.6519, allocations: 16 kB / 0.754 GB, free: 14.91 MB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0009172/0.6529, allocations: 0.5344 MB / 0.7545 GB, free: 14.38 MB / 0.5762 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 0.003897/0.6568, allocations: 4.583 MB / 0.759 GB, free: 9.41 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007281/0.6575, allocations: 415.4 kB / 0.7594 GB, free: 8.996 MB / 0.5762 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003891/0.6579, allocations: 246.4 kB / 0.7596 GB, free: 8.754 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002921/0.6582, allocations: 194.2 kB / 0.7598 GB, free: 8.527 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004802/0.6587, allocations: 294.3 kB / 0.7601 GB, free: 8.223 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=31): time 3.646e-06/0.6587, allocations: 0 / 0.7601 GB, free: 8.223 MB / 0.5762 GB Notification: Performance of matching and sorting (n=31): time 0.001348/0.6601, allocations: 0.6353 MB / 0.7607 GB, free: 7.582 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.428e-05/0.6601, allocations: 85.05 kB / 0.7608 GB, free: 7.48 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001381/0.6615, allocations: 1.114 MB / 0.7619 GB, free: 6.348 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 4.51e-05/0.6616, allocations: 37.69 kB / 0.7619 GB, free: 6.305 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004491/0.662, allocations: 0.4933 MB / 0.7624 GB, free: 5.805 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 9.487e-05/0.6621, allocations: 110.5 kB / 0.7625 GB, free: 5.695 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001819/0.6623, allocations: 109.9 kB / 0.7626 GB, free: 5.582 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 0.0001126/0.6625, allocations: 329.9 kB / 0.7629 GB, free: 5.254 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003964/0.6629, allocations: 214.4 kB / 0.7631 GB, free: 5.039 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006205/0.6635, allocations: 0.5175 MB / 0.7636 GB, free: 4.387 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0009232/0.6644, allocations: 0.6365 MB / 0.7643 GB, free: 3.676 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.596e-06/0.6644, allocations: 4 kB / 0.7643 GB, free: 3.672 MB / 0.5762 GB Notification: Performance of matching and sorting (n=54) (initialization): time 0.001289/0.6657, allocations: 0.7183 MB / 0.765 GB, free: 2.941 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 5.933e-05/0.6658, allocations: 33.7 kB / 0.765 GB, free: 2.902 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.192e-05/0.6658, allocations: 4 kB / 0.765 GB, free: 2.898 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.054e-05/0.6658, allocations: 8 kB / 0.765 GB, free: 2.891 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001865/0.6677, allocations: 353.3 kB / 0.7654 GB, free: 2.559 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003628/0.6714, allocations: 6.085 MB / 0.7713 GB, free: 12.24 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008229/0.6722, allocations: 99.47 kB / 0.7714 GB, free: 12.14 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.249e-05/0.6723, allocations: 24 kB / 0.7714 GB, free: 12.12 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0007598/0.673, allocations: 0.4967 MB / 0.7719 GB, free: 11.62 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0005425/0.6736, allocations: 489.9 kB / 0.7724 GB, free: 11.01 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0007542/0.6744, allocations: 0.5694 MB / 0.7729 GB, free: 10.36 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.496e-06/0.6744, allocations: 3.938 kB / 0.7729 GB, free: 10.36 MB / 0.5919 GB Notification: Performance of matching and sorting (n=54) (initialization_lambda0): time 0.001161/0.6756, allocations: 0.6426 MB / 0.7736 GB, free: 9.699 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 3.567e-05/0.6756, allocations: 33.7 kB / 0.7736 GB, free: 9.66 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.036e-05/0.6756, allocations: 8 kB / 0.7736 GB, free: 9.652 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.03e-05/0.6756, allocations: 8 kB / 0.7736 GB, free: 9.645 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000546/0.6762, allocations: 151.8 kB / 0.7737 GB, free: 9.496 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.298e-05/0.6762, allocations: 15.94 kB / 0.7738 GB, free: 9.48 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008249/0.677, allocations: 88 kB / 0.7738 GB, free: 9.395 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.037e-05/0.6771, allocations: 20 kB / 0.7739 GB, free: 9.375 MB / 0.5919 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 24 * Number of states: 0 () * Number of discrete variables: 5 (pulse_p.count,$PRE.pulse_p.count,pulse_p.T_start,$PRE.pulse_p.T_start,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (53): * Single equations (assignments): 42 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 10 * 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): 10 systems {1, 1, 1, 1, 1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0002512/0.6774, allocations: 226.6 kB / 0.7741 GB, free: 9.148 MB / 0.5919 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002151/0.6776, allocations: 98.78 kB / 0.7742 GB, free: 9.051 MB / 0.5919 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001007/0.6786, allocations: 495 kB / 0.7746 GB, free: 8.562 MB / 0.5919 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.744e-05/0.6786, allocations: 4 kB / 0.7746 GB, free: 8.559 MB / 0.5919 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.853e-06/0.6786, allocations: 0 / 0.7746 GB, free: 8.559 MB / 0.5919 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.771e-06/0.6787, allocations: 3.984 kB / 0.7747 GB, free: 8.555 MB / 0.5919 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00231/0.681, allocations: 1.383 MB / 0.776 GB, free: 7.094 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.901e-06/0.681, allocations: 4 kB / 0.776 GB, free: 7.09 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000597/0.6816, allocations: 154.2 kB / 0.7762 GB, free: 6.941 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (simulation): time 7.865e-06/0.6816, allocations: 7.938 kB / 0.7762 GB, free: 6.934 MB / 0.5919 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.322e-05/0.6816, allocations: 8 kB / 0.7762 GB, free: 6.926 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003115/0.6848, allocations: 6.021 MB / 0.782 GB, free: 0.6719 MB / 0.5919 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.449e-06/0.6848, allocations: 4.031 kB / 0.7821 GB, free: 0.668 MB / 0.5919 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0008598/0.6856, allocations: 0.5984 MB / 0.7826 GB, free: 32 kB / 0.5919 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004107/0.6861, allocations: 211.8 kB / 0.7828 GB, free: 15.8 MB / 0.6075 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001581/0.6862, allocations: 8 kB / 0.7828 GB, free: 15.8 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005273/0.6868, allocations: 47.89 kB / 0.7829 GB, free: 15.75 MB / 0.6075 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001039/0.6869, allocations: 31.95 kB / 0.7829 GB, free: 15.72 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.816e-05/0.6869, allocations: 12 kB / 0.7829 GB, free: 15.71 MB / 0.6075 GB Notification: Performance of sorting global known variables: time 0.001173/0.6881, allocations: 0.7875 MB / 0.7837 GB, free: 14.91 MB / 0.6075 GB Notification: Performance of sort global known variables: time 1.1e-07/0.6881, allocations: 0 / 0.7837 GB, free: 14.91 MB / 0.6075 GB Notification: Performance of remove unused functions: time 0.001353/0.6895, allocations: 411.4 kB / 0.7841 GB, free: 14.51 MB / 0.6075 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 0 () * Number of discrete variables: 3 ($whenCondition1,pulse_p.T_start,pulse_p.count) * Number of discrete states: 1 (pulse_p.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (31): * Single equations (assignments): 19 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 10 * 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): 10 systems {1, 1, 1, 1, 1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0005017/0.69, allocations: 182 kB / 0.7843 GB, free: 14.33 MB / 0.6075 GB Notification: Performance of simCode: created initialization part: time 0.003204/0.6932, allocations: 1.084 MB / 0.7853 GB, free: 13.23 MB / 0.6075 GB Notification: Performance of simCode: created event and clocks part: time 6.412e-06/0.6932, allocations: 0 / 0.7853 GB, free: 13.23 MB / 0.6075 GB Notification: Performance of simCode: created simulation system equations: time 0.0007972/0.694, allocations: 293 kB / 0.7856 GB, free: 12.94 MB / 0.6075 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002018/0.696, allocations: 450 kB / 0.786 GB, free: 12.51 MB / 0.6075 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003309/0.6994, allocations: 2.102 MB / 0.7881 GB, free: 10.36 MB / 0.6075 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008251/0.7002, allocations: 1.184 MB / 0.7892 GB, free: 9.145 MB / 0.6075 GB Notification: Performance of simCode: alias equations: time 0.001106/0.7013, allocations: 387.7 kB / 0.7896 GB, free: 8.762 MB / 0.6075 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001556/0.7015, allocations: 63.44 kB / 0.7897 GB, free: 8.699 MB / 0.6075 GB Notification: Performance of SimCode: time 3.386e-06/0.7015, allocations: 0 / 0.7897 GB, free: 8.699 MB / 0.6075 GB Notification: Performance of Templates: time 0.02999/0.7315, allocations: 17.32 MB / 0.8066 GB, free: 7.574 MB / 0.6231 GB make -j1 -f IDEAS_dev_IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlow.makefile (rm -f IDEAS_dev_IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlow.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlow.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlow.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlow.sim & ./IDEAS_dev_IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlow -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_dev_IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlow.pipe 2>&1)