Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_3.2.1_ModelicaTest.Blocks.Continuous_InitialOutput.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/ModelicaTest 3.2.1+maint.om/package.mo", uses=false) Using package ModelicaTest with version 3.2.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.1+maint.om/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(ModelicaTest.Blocks.Continuous_InitialOutput,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ModelicaTest_3.2.1_ModelicaTest.Blocks.Continuous_InitialOutput") translateModel(ModelicaTest.Blocks.Continuous_InitialOutput,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ModelicaTest_3.2.1_ModelicaTest.Blocks.Continuous_InitialOutput") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.007841/0.007845, allocations: 99.62 kB / 15.73 MB, free: 6.012 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001394/0.001394, allocations: 187.8 kB / 16.67 MB, free: 5.949 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.82/1.82, allocations: 205.1 MB / 222.5 MB, free: 4.484 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.1+maint.om/package.mo): time 0.3601/0.3601, allocations: 37.99 MB / 307.9 MB, free: 10.16 MB / 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: ModelicaTest requested package Modelica of version 3.2.1. 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 0.001962/0.001962, allocations: 64.36 kB / 433 MB, free: 5.422 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3979/0.3999, allocations: 56.47 MB / 489.5 MB, free: 19.86 MB / 382.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Blocks.Continuous_InitialOutput): time 0.005438/0.4054, allocations: 3.38 MB / 492.8 MB, free: 17.45 MB / 382.1 MB Notification: Performance of NFInst.instExpressions: time 0.003838/0.4092, allocations: 1.59 MB / 494.4 MB, free: 16.34 MB / 382.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.00107/0.4104, allocations: 22.91 kB / 494.5 MB, free: 16.33 MB / 382.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0006698/0.4111, allocations: 145.9 kB / 494.6 MB, free: 16.24 MB / 382.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0007154/0.4118, allocations: 189.6 kB / 494.8 MB, free: 16.12 MB / 382.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/Math/package.mo:1555:3-1615:27:writable] Warning: Pure function 'Modelica.Math.Matrices.equalityLeastSquares' contains a call to impure function 'Modelica.Math.Matrices.LAPACK.dgglse_vec'. Notification: Performance of NFTyping.typeClassSections: time 0.001781/0.4136, allocations: 0.53 MB / 495.3 MB, free: 15.84 MB / 382.1 MB Notification: Performance of NFFlatten.flatten: time 0.001531/0.4152, allocations: 0.9532 MB / 496.3 MB, free: 15.4 MB / 382.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0004535/0.4156, allocations: 235.8 kB / 496.5 MB, free: 15.27 MB / 382.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0006936/0.4163, allocations: 378 kB / 496.9 MB, free: 15.1 MB / 382.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0006834/0.417, allocations: 412 kB / 497.3 MB, free: 14.91 MB / 382.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0001274/0.4172, allocations: 62.59 kB / 497.3 MB, free: 14.91 MB / 382.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0003956/0.4176, allocations: 180.7 kB / 497.5 MB, free: 14.87 MB / 382.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0002754/0.4179, allocations: 197.4 kB / 497.7 MB, free: 14.76 MB / 382.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0003083/0.4182, allocations: 347.6 kB / 498 MB, free: 14.51 MB / 382.1 MB Notification: Performance of NFConvertDAE.convert: time 0.00138/0.4196, allocations: 0.9156 MB / 498.9 MB, free: 14.12 MB / 382.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.441e-06/0.4196, allocations: 0 / 498.9 MB, free: 14.12 MB / 382.1 MB Notification: Performance of FrontEnd: time 3.476e-06/0.4196, allocations: 1.219 kB / 499 MB, free: 14.12 MB / 382.1 MB Notification: Performance of Transformations before backend: time 1.144e-05/0.4196, allocations: 0 / 499 MB, free: 14.12 MB / 382.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 110 * Number of variables: 110 Notification: Performance of Generate backend data structure: time 0.002563/0.4222, allocations: 1.168 MB / 0.4884 GB, free: 13.35 MB / 382.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.473e-05/0.4222, allocations: 14.19 kB / 0.4884 GB, free: 13.34 MB / 382.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001648/0.4224, allocations: 101.2 kB / 0.4885 GB, free: 13.29 MB / 382.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001084/0.4235, allocations: 0.5816 MB / 0.4891 GB, free: 12.9 MB / 382.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.662e-05/0.4236, allocations: 36.22 kB / 0.4891 GB, free: 12.88 MB / 382.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001062/0.4237, allocations: 56.7 kB / 0.4892 GB, free: 12.86 MB / 382.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001184/0.4249, allocations: 0.6122 MB / 0.4898 GB, free: 12.54 MB / 382.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.451e-05/0.4249, allocations: 5.344 kB / 0.4898 GB, free: 12.53 MB / 382.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.038e-05/0.425, allocations: 17.25 kB / 0.4898 GB, free: 12.52 MB / 382.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.825e-05/0.425, allocations: 11.59 kB / 0.4898 GB, free: 12.52 MB / 382.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001164/0.4261, allocations: 463.8 kB / 0.4902 GB, free: 12.38 MB / 382.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.004088/0.4302, allocations: 2.652 MB / 0.4928 GB, free: 10.52 MB / 382.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001262/0.4315, allocations: 0.5043 MB / 0.4933 GB, free: 10.31 MB / 382.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007012/0.4322, allocations: 264.5 kB / 0.4936 GB, free: 10.21 MB / 382.1 MB Notification: Performance of preOpt evalFunc (simulation): time 5.86e-05/0.4323, allocations: 8.422 kB / 0.4936 GB, free: 10.21 MB / 382.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.303e-05/0.4324, allocations: 43.75 kB / 0.4936 GB, free: 10.16 MB / 382.1 MB Notification: Performance of pre-optimization done (n=45): time 2.946e-06/0.4324, allocations: 3.938 kB / 0.4936 GB, free: 10.16 MB / 382.1 MB Notification: Performance of matching and sorting (n=46): time 0.003195/0.4356, allocations: 1.142 MB / 0.4947 GB, free: 9.637 MB / 382.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 8.95e-05/0.4357, allocations: 133.9 kB / 0.4949 GB, free: 9.48 MB / 382.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001165/0.4369, allocations: 0.6586 MB / 0.4955 GB, free: 9.207 MB / 382.1 MB Notification: Performance of collectPreVariables (initialization): time 5.12e-05/0.4369, allocations: 37.17 kB / 0.4955 GB, free: 9.168 MB / 382.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0002944/0.4372, allocations: 361.6 kB / 0.4959 GB, free: 8.879 MB / 382.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.000157/0.4374, allocations: 183.3 kB / 0.4961 GB, free: 8.734 MB / 382.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002172/0.4376, allocations: 119.4 kB / 0.4962 GB, free: 8.672 MB / 382.1 MB Notification: Performance of setup shared object (initialization): time 8.183e-05/0.4377, allocations: 331.5 kB / 0.4965 GB, free: 8.355 MB / 382.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007407/0.4384, allocations: 289.2 kB / 0.4968 GB, free: 8.27 MB / 382.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007932/0.4393, allocations: 437.5 kB / 0.4972 GB, free: 8.004 MB / 382.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001487/0.4407, allocations: 0.7173 MB / 0.4979 GB, free: 7.625 MB / 382.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.98e-06/0.4408, allocations: 1.094 kB / 0.4979 GB, free: 7.625 MB / 382.1 MB Notification: Performance of matching and sorting (n=79) (initialization): time 0.001994/0.4428, allocations: 0.8268 MB / 0.4987 GB, free: 7.254 MB / 382.1 MB Notification: Performance of prepare postOptimizeDAE: time 3.001e-05/0.4428, allocations: 10.25 kB / 0.4987 GB, free: 7.25 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.773e-05/0.4428, allocations: 4.938 kB / 0.4987 GB, free: 7.25 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 3.695e-05/0.4429, allocations: 8.25 kB / 0.4987 GB, free: 7.25 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009946/0.4439, allocations: 190.2 kB / 0.4989 GB, free: 7.207 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.813e-05/0.4439, allocations: 12.34 kB / 0.4989 GB, free: 7.203 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005655/0.4445, allocations: 84.94 kB / 0.499 GB, free: 7.152 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.647e-05/0.4446, allocations: 24.09 kB / 0.499 GB, free: 7.148 MB / 382.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0008258/0.4454, allocations: 422.3 kB / 0.4994 GB, free: 6.91 MB / 382.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0007294/0.4461, allocations: 427.4 kB / 0.4998 GB, free: 6.598 MB / 382.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0013/0.4474, allocations: 0.699 MB / 0.5005 GB, free: 6.148 MB / 382.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.198e-06/0.4474, allocations: 1.5 kB / 0.5005 GB, free: 6.148 MB / 382.1 MB Notification: Performance of matching and sorting (n=79) (initialization_lambda0): time 0.001728/0.4492, allocations: 0.8012 MB / 0.5013 GB, free: 5.762 MB / 382.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.105e-05/0.4492, allocations: 6.875 kB / 0.5013 GB, free: 5.762 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.231e-05/0.4492, allocations: 4.625 kB / 0.5013 GB, free: 5.762 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.441e-05/0.4493, allocations: 10.97 kB / 0.5013 GB, free: 5.758 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009041/0.4502, allocations: 193.2 kB / 0.5015 GB, free: 5.711 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.86e-05/0.4502, allocations: 11.5 kB / 0.5015 GB, free: 5.707 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005415/0.4507, allocations: 79.94 kB / 0.5016 GB, free: 5.66 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.248e-05/0.4508, allocations: 23.53 kB / 0.5016 GB, free: 5.656 MB / 382.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 20 * Number of states: 0 () * Number of discrete variables: 4 (limPID.I.local_reset,pID.I.local_reset,limIntegrator.local_reset,integrator.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (78): * Single equations (assignments): 77 * Array equations: 1 * 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 0.0002361/0.4511, allocations: 217.4 kB / 0.5018 GB, free: 5.445 MB / 382.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001898/0.4512, allocations: 75.59 kB / 0.5019 GB, free: 5.406 MB / 382.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002303/0.4515, allocations: 93.44 kB / 0.502 GB, free: 5.332 MB / 382.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.07e-05/0.4515, allocations: 9.25 kB / 0.502 GB, free: 5.328 MB / 382.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.946e-05/0.4515, allocations: 3.938 kB / 0.502 GB, free: 5.324 MB / 382.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.675e-06/0.4515, allocations: 1.281 kB / 0.502 GB, free: 5.324 MB / 382.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002238/0.4538, allocations: 1.261 MB / 0.5032 GB, free: 4.395 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.6e-06/0.4538, allocations: 5.188 kB / 0.5032 GB, free: 4.391 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006596/0.4545, allocations: 106.2 kB / 0.5033 GB, free: 4.363 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 8.005e-06/0.4545, allocations: 6.688 kB / 0.5033 GB, free: 4.359 MB / 382.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.058e-05/0.4545, allocations: 18.86 kB / 0.5034 GB, free: 4.348 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 6.222e-06/0.4546, allocations: 2.75 kB / 0.5034 GB, free: 4.348 MB / 382.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.918e-06/0.4546, allocations: 5.375 kB / 0.5034 GB, free: 4.344 MB / 382.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002101/0.4567, allocations: 1.173 MB / 0.5045 GB, free: 3.621 MB / 382.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0002816/0.457, allocations: 197 kB / 0.5047 GB, free: 3.441 MB / 382.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.979e-05/0.4571, allocations: 15 kB / 0.5047 GB, free: 3.434 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005251/0.4576, allocations: 50.36 kB / 0.5048 GB, free: 3.41 MB / 382.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001323/0.4577, allocations: 41.94 kB / 0.5048 GB, free: 3.387 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.444e-05/0.4578, allocations: 11.88 kB / 0.5048 GB, free: 3.383 MB / 382.1 MB Notification: Performance of sorting global known variables: time 0.0008169/0.4586, allocations: 466.2 kB / 0.5053 GB, free: 3.125 MB / 382.1 MB Notification: Performance of sort global known variables: time 2.2e-07/0.4586, allocations: 0 / 0.5053 GB, free: 3.125 MB / 382.1 MB Notification: Performance of remove unused functions: time 0.001265/0.4599, allocations: 219.8 kB / 0.5055 GB, free: 3.098 MB / 382.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 18 (limPID.I.y,limPID.D.x,transferFunction.x_scaled[1],stateSpace.x[1],stateSpace.x[2],lowpassButterworth.x1[1],lowpassButterworth.x2[1],criticalDamping.x[1],criticalDamping.x[2],integrator.y,limIntegrator.y,derivative.x,firstOrder.y,secondOrder.y,secondOrder.yd,pI.x,pID.I.y,pID.D.x) * 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 (46): * Single equations (assignments): 46 * 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 Backend phase and start with SimCode phase: time 0.0004073/0.4603, allocations: 146.7 kB / 0.5056 GB, free: 2.973 MB / 382.1 MB Notification: Performance of simCode: created initialization part: time 0.002454/0.4628, allocations: 0.9933 MB / 0.5066 GB, free: 2.555 MB / 382.1 MB Notification: Performance of simCode: created event and clocks part: time 5.209e-06/0.4628, allocations: 1.312 kB / 0.5066 GB, free: 2.555 MB / 382.1 MB Notification: Performance of simCode: created simulation system equations: time 0.000682/0.4635, allocations: 286.7 kB / 0.5068 GB, free: 2.438 MB / 382.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001147/0.4646, allocations: 205.4 kB / 0.507 GB, free: 2.32 MB / 382.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003012/0.4677, allocations: 1.489 MB / 0.5085 GB, free: 1.387 MB / 382.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005197/0.4682, allocations: 0.9548 MB / 0.5094 GB, free: 0.5703 MB / 382.1 MB Notification: Performance of simCode: alias equations: time 0.00063/0.4688, allocations: 149.2 kB / 0.5096 GB, free: 0.5078 MB / 382.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001985/0.469, allocations: 45.44 kB / 0.5096 GB, free: 0.5 MB / 382.1 MB Notification: Performance of SimCode: time 9.41e-07/0.469, allocations: 0 / 0.5096 GB, free: 0.5 MB / 382.1 MB Notification: Performance of Templates: time 0.01762/0.4867, allocations: 8.723 MB / 0.5181 GB, free: 9.637 MB / 398.1 MB make -j1 -f ModelicaTest_3.2.1_ModelicaTest.Blocks.Continuous_InitialOutput.makefile (rm -f ModelicaTest_3.2.1_ModelicaTest.Blocks.Continuous_InitialOutput.pipe ; mkfifo ModelicaTest_3.2.1_ModelicaTest.Blocks.Continuous_InitialOutput.pipe ; head -c 1048576 < ModelicaTest_3.2.1_ModelicaTest.Blocks.Continuous_InitialOutput.pipe >> ../files/ModelicaTest_3.2.1_ModelicaTest.Blocks.Continuous_InitialOutput.sim & ./ModelicaTest_3.2.1_ModelicaTest.Blocks.Continuous_InitialOutput -abortSlowSimulation -alarm=480 -lv LOG_STATS > ModelicaTest_3.2.1_ModelicaTest.Blocks.Continuous_InitialOutput.pipe 2>&1)