Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ThermoPower_ThermoPower.Test.WaterComponents.TestMixer.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/ThermoPower 3.1.0-master/package.mo", uses=false) Using package ThermoPower with version 3.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 3.1.0-master/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(ThermoPower.Test.WaterComponents.TestMixer,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ThermoPower_ThermoPower.Test.WaterComponents.TestMixer") translateModel(ThermoPower.Test.WaterComponents.TestMixer,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ThermoPower_ThermoPower.Test.WaterComponents.TestMixer") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001197/0.001197, allocations: 114.9 kB / 17.06 MB, free: 6 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001141/0.001141, allocations: 196 kB / 18 MB, free: 5.078 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.375/1.375, allocations: 205.1 MB / 223.9 MB, free: 12.23 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 3.1.0-master/package.mo): time 0.271/0.271, allocations: 48.85 MB / 320.1 MB, free: 11.01 MB / 270.1 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: Performance of FrontEnd - loaded program: time 0.00148/0.00148, allocations: 67.89 kB / 450.5 MB, free: 8.543 MB / 334.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1156/0.117, allocations: 59.16 MB / 0.4977 GB, free: 13.26 MB / 398.1 MB Notification: Performance of NFInst.instantiate(ThermoPower.Test.WaterComponents.TestMixer): time 0.3054/0.4224, allocations: 72.53 MB / 0.5686 GB, free: 6.621 MB / 430.1 MB Notification: Performance of NFInst.instExpressions: time 0.01373/0.4362, allocations: 10.85 MB / 0.5792 GB, free: 14.96 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006909/0.437, allocations: 19.81 kB / 0.5792 GB, free: 14.95 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001066/0.438, allocations: 337.7 kB / 0.5795 GB, free: 14.73 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0009821/0.4391, allocations: 436 kB / 0.5799 GB, free: 14.37 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.01501/0.4541, allocations: 5.351 MB / 0.5851 GB, free: 10.57 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.001887/0.456, allocations: 1.191 MB / 0.5863 GB, free: 9.891 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0006304/0.4567, allocations: 381.1 kB / 0.5867 GB, free: 9.672 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0005898/0.4573, allocations: 448.7 kB / 0.5871 GB, free: 9.438 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0004911/0.4578, allocations: 440.8 kB / 0.5875 GB, free: 9.184 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 6.849e-05/0.4578, allocations: 44.75 kB / 0.5876 GB, free: 9.184 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.012/0.4698, allocations: 6.332 MB / 0.5937 GB, free: 5.91 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0001731/0.47, allocations: 118.8 kB / 0.5939 GB, free: 5.812 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0004975/0.4705, allocations: 335.2 kB / 0.5942 GB, free: 5.617 MB / 446.1 MB Notification: Performance of NFConvertDAE.convert: time 0.007991/0.4785, allocations: 4.011 MB / 0.5981 GB, free: 3.066 MB / 446.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.973e-06/0.4786, allocations: 0 / 0.5981 GB, free: 3.066 MB / 446.1 MB Notification: Performance of FrontEnd: time 2.865e-06/0.4786, allocations: 3.938 kB / 0.5981 GB, free: 3.062 MB / 446.1 MB Notification: Performance of Transformations before backend: time 1.049e-05/0.4786, allocations: 0 / 0.5981 GB, free: 3.062 MB / 446.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 119 * Number of variables: 119 Notification: Performance of Generate backend data structure: time 0.003149/0.4818, allocations: 1.345 MB / 0.5994 GB, free: 1.922 MB / 446.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.957e-05/0.4818, allocations: 15.89 kB / 0.5994 GB, free: 1.906 MB / 446.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0004688/0.4823, allocations: 120 kB / 0.5995 GB, free: 1.789 MB / 446.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.000566/0.4829, allocations: 425.8 kB / 0.5999 GB, free: 1.336 MB / 446.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.237e-05/0.4829, allocations: 41.38 kB / 0.6 GB, free: 1.293 MB / 446.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 8.52e-05/0.483, allocations: 52.28 kB / 0.6 GB, free: 1.242 MB / 446.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001549/0.4845, allocations: 0.6881 MB / 0.6007 GB, free: 0.5195 MB / 446.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.442e-05/0.4846, allocations: 0 / 0.6007 GB, free: 0.5195 MB / 446.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.271e-05/0.4846, allocations: 20 kB / 0.6007 GB, free: 0.5 MB / 446.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.089e-05/0.4846, allocations: 12 kB / 0.6007 GB, free: 500 kB / 446.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001452/0.4861, allocations: 0.523 MB / 0.6013 GB, free: 15.96 MB / 462.1 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 0.002645/0.4888, allocations: 2.638 MB / 0.6038 GB, free: 13.05 MB / 462.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001427/0.4902, allocations: 0.5601 MB / 0.6044 GB, free: 12.45 MB / 462.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002388/0.4904, allocations: 132.7 kB / 0.6045 GB, free: 12.32 MB / 462.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.06277/0.5532, allocations: 32.11 MB / 0.6359 GB, free: 8.387 MB / 494.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.374e-05/0.5533, allocations: 50.44 kB / 0.6359 GB, free: 8.328 MB / 494.1 MB Notification: Performance of pre-optimization done (n=28): time 2.234e-06/0.5533, allocations: 0 / 0.6359 GB, free: 8.328 MB / 494.1 MB Notification: Performance of matching and sorting (n=31): time 0.006024/0.5594, allocations: 1.844 MB / 0.6377 GB, free: 6.383 MB / 494.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 6.135e-05/0.5594, allocations: 110.8 kB / 0.6378 GB, free: 6.25 MB / 494.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000488/0.5599, allocations: 462.8 kB / 0.6383 GB, free: 5.785 MB / 494.1 MB Notification: Performance of collectPreVariables (initialization): time 4.469e-05/0.56, allocations: 29.7 kB / 0.6383 GB, free: 5.75 MB / 494.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001872/0.5602, allocations: 276.1 kB / 0.6385 GB, free: 5.477 MB / 494.1 MB Notification: Performance of collectInitialBindings (initialization): time 9.317e-05/0.5603, allocations: 110.5 kB / 0.6387 GB, free: 5.367 MB / 494.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001553/0.5604, allocations: 93.56 kB / 0.6387 GB, free: 5.27 MB / 494.1 MB Notification: Performance of setup shared object (initialization): time 0.0001363/0.5606, allocations: 370.6 kB / 0.6391 GB, free: 4.898 MB / 494.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003215/0.5609, allocations: 160.8 kB / 0.6393 GB, free: 4.738 MB / 494.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003578/0.5613, allocations: 230.3 kB / 0.6395 GB, free: 4.488 MB / 494.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006752/0.562, allocations: 368.9 kB / 0.6398 GB, free: 4.109 MB / 494.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.493e-06/0.562, allocations: 32 / 0.6398 GB, free: 4.109 MB / 494.1 MB Notification: Performance of matching and sorting (n=41) (initialization): time 0.001922/0.5639, allocations: 0.7401 MB / 0.6405 GB, free: 3.352 MB / 494.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.615e-05/0.5639, allocations: 4 kB / 0.6405 GB, free: 3.348 MB / 494.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.871e-06/0.5639, allocations: 0 / 0.6405 GB, free: 3.348 MB / 494.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.002392/0.5663, allocations: 0.5286 MB / 0.6411 GB, free: 2.812 MB / 494.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001558/0.5665, allocations: 35.98 kB / 0.6411 GB, free: 2.777 MB / 494.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001724/0.5683, allocations: 1.503 MB / 0.6426 GB, free: 1.223 MB / 494.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003112/0.5686, allocations: 13.59 kB / 0.6426 GB, free: 1.211 MB / 494.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.53e-05/0.5686, allocations: 23.98 kB / 0.6426 GB, free: 1.188 MB / 494.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0004368/0.5691, allocations: 272.1 kB / 0.6429 GB, free: 0.918 MB / 494.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003347/0.5694, allocations: 223.6 kB / 0.6431 GB, free: 0.6719 MB / 494.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005871/0.57, allocations: 373.9 kB / 0.6434 GB, free: 292 kB / 494.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.756e-06/0.57, allocations: 4 kB / 0.6434 GB, free: 288 kB / 494.1 MB Notification: Performance of matching and sorting (n=41) (initialization_lambda0): time 0.001674/0.5717, allocations: 0.6817 MB / 0.6441 GB, free: 15.59 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 1.137e-05/0.5717, allocations: 8 kB / 0.6441 GB, free: 15.58 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.855e-06/0.5717, allocations: 0 / 0.6441 GB, free: 15.58 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001535/0.5733, allocations: 457.5 kB / 0.6445 GB, free: 15.12 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001631/0.5735, allocations: 43.86 kB / 0.6446 GB, free: 15.08 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001881/0.5753, allocations: 1.448 MB / 0.646 GB, free: 13.58 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003002/0.5757, allocations: 11.98 kB / 0.646 GB, free: 13.57 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.136e-05/0.5757, allocations: 23.98 kB / 0.646 GB, free: 13.55 MB / 0.4981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * Number of states: 0 () * Number of discrete variables: 3 (header.fluidState.phase,pressDrop.state.phase,mixer.fluidState.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (20): * Single equations (assignments): 18 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(3,11), (2,7)} Notification: Performance of prepare postOptimizeDAE: time 0.0002108/0.5759, allocations: 208.1 kB / 0.6462 GB, free: 13.34 MB / 0.4981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001072/0.576, allocations: 51.34 kB / 0.6463 GB, free: 13.29 MB / 0.4981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003768/0.5798, allocations: 3.014 MB / 0.6492 GB, free: 10.26 MB / 0.4981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.931e-05/0.5798, allocations: 8 kB / 0.6492 GB, free: 10.25 MB / 0.4981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.252e-06/0.5799, allocations: 4 kB / 0.6492 GB, free: 10.25 MB / 0.4981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.514e-06/0.5799, allocations: 3.984 kB / 0.6492 GB, free: 10.24 MB / 0.4981 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 postOpt removeSimpleEquations (simulation): time 0.004882/0.5848, allocations: 4.515 MB / 0.6537 GB, free: 5.566 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.45e-06/0.5848, allocations: 0 / 0.6537 GB, free: 5.566 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000196/0.585, allocations: 48 kB / 0.6537 GB, free: 5.52 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.002843/0.5878, allocations: 1.204 MB / 0.6549 GB, free: 4.305 MB / 0.4981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.294e-05/0.5879, allocations: 12.75 kB / 0.6549 GB, free: 4.293 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003228/0.5911, allocations: 2.849 MB / 0.6577 GB, free: 1.258 MB / 0.4981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.935e-06/0.5911, allocations: 3.625 kB / 0.6577 GB, free: 1.258 MB / 0.4981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00435/0.5955, allocations: 3.964 MB / 0.6615 GB, free: 13.27 MB / 0.5137 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000151/0.5957, allocations: 144.1 kB / 0.6617 GB, free: 13.11 MB / 0.5137 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.206e-05/0.5957, allocations: 8 kB / 0.6617 GB, free: 13.1 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000332/0.5961, allocations: 19.97 kB / 0.6617 GB, free: 13.08 MB / 0.5137 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.893e-05/0.5962, allocations: 23.97 kB / 0.6617 GB, free: 13.05 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.562e-05/0.5962, allocations: 11.98 kB / 0.6617 GB, free: 13.04 MB / 0.5137 GB Notification: Performance of sorting global known variables: time 0.0003412/0.5965, allocations: 318.9 kB / 0.662 GB, free: 12.73 MB / 0.5137 GB Notification: Performance of sort global known variables: time 1.323e-06/0.5966, allocations: 0 / 0.662 GB, free: 12.73 MB / 0.5137 GB Notification: Performance of remove unused functions: time 0.0029/0.5995, allocations: 0.9957 MB / 0.663 GB, free: 11.74 MB / 0.5137 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 4 (mixer.p,mixer.h,header.p,header.h) * Number of discrete variables: 4 ($cse2.phase,$cse2.region,$cse4.phase,$cse4.region) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (30): * Single equations (assignments): 25 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 2 * 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): 1 system {2} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,2)} Notification: Performance of Backend phase and start with SimCode phase: time 0.00378/0.6033, allocations: 0.9632 MB / 0.664 GB, free: 10.76 MB / 0.5137 GB Notification: Performance of simCode: created initialization part: time 0.002389/0.6057, allocations: 0.8015 MB / 0.6647 GB, free: 9.961 MB / 0.5137 GB Notification: Performance of simCode: created event and clocks part: time 2.585e-06/0.6057, allocations: 0 / 0.6647 GB, free: 9.961 MB / 0.5137 GB Notification: Performance of simCode: created simulation system equations: time 0.001148/0.6068, allocations: 460 kB / 0.6652 GB, free: 9.496 MB / 0.5137 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001455/0.6083, allocations: 312 kB / 0.6655 GB, free: 9.195 MB / 0.5137 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002028/0.6103, allocations: 1.369 MB / 0.6668 GB, free: 7.793 MB / 0.5137 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004176/0.6108, allocations: 0.8834 MB / 0.6677 GB, free: 6.879 MB / 0.5137 GB Notification: Performance of simCode: alias equations: time 0.000288/0.6111, allocations: 120.5 kB / 0.6678 GB, free: 6.762 MB / 0.5137 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 7.926e-05/0.6111, allocations: 39.44 kB / 0.6678 GB, free: 6.723 MB / 0.5137 GB Notification: Performance of SimCode: time 5.31e-07/0.6111, allocations: 0 / 0.6678 GB, free: 6.723 MB / 0.5137 GB Notification: Performance of Templates: time 0.06033/0.6715, allocations: 42.77 MB / 0.7096 GB, free: 11.88 MB / 0.5606 GB make -j1 -f ThermoPower_ThermoPower.Test.WaterComponents.TestMixer.makefile (rm -f ThermoPower_ThermoPower.Test.WaterComponents.TestMixer.pipe ; mkfifo ThermoPower_ThermoPower.Test.WaterComponents.TestMixer.pipe ; head -c 1048576 < ThermoPower_ThermoPower.Test.WaterComponents.TestMixer.pipe >> ../files/ThermoPower_ThermoPower.Test.WaterComponents.TestMixer.sim & ./ThermoPower_ThermoPower.Test.WaterComponents.TestMixer -abortSlowSimulation -alarm=480 -lv LOG_STATS > ThermoPower_ThermoPower.Test.WaterComponents.TestMixer.pipe 2>&1)