Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Controls.OBC.CDL.Logical.Validation.TimerAccumulating.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/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/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(Buildings.Controls.OBC.CDL.Logical.Validation.TimerAccumulating,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Controls.OBC.CDL.Logical.Validation.TimerAccumulating") translateModel(Buildings.Controls.OBC.CDL.Logical.Validation.TimerAccumulating,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Controls.OBC.CDL.Logical.Validation.TimerAccumulating") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001196/0.001196, allocations: 115.3 kB / 15.34 MB, free: 0.5156 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001369/0.00137, allocations: 191.1 kB / 16.25 MB, free: 6.629 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.614/1.614, allocations: 205.1 MB / 222.1 MB, free: 4.707 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.9/1.9, allocations: 292.2 MB / 0.5485 GB, free: 13.68 MB / 462.1 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 0.001477/0.001478, allocations: 72.48 kB / 0.671 GB, free: 26.43 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3026/0.3041, allocations: 114.5 MB / 0.7829 GB, free: 13.91 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.CDL.Logical.Validation.TimerAccumulating): time 0.002222/0.3064, allocations: 0.899 MB / 0.7837 GB, free: 13.01 MB / 0.6075 GB Notification: Performance of NFInst.instExpressions: time 0.001701/0.3081, allocations: 1.333 MB / 0.785 GB, free: 11.66 MB / 0.6075 GB Notification: Performance of NFInst.updateImplicitVariability: time 8.232e-05/0.3082, allocations: 0 / 0.785 GB, free: 11.66 MB / 0.6075 GB Notification: Performance of NFTyping.typeComponents: time 5.701e-05/0.3083, allocations: 7.875 kB / 0.7851 GB, free: 11.65 MB / 0.6075 GB Notification: Performance of NFTyping.typeBindings: time 0.0001076/0.3084, allocations: 27.83 kB / 0.7851 GB, free: 11.62 MB / 0.6075 GB Notification: Performance of NFTyping.typeClassSections: time 0.0007722/0.3092, allocations: 266.9 kB / 0.7853 GB, free: 11.37 MB / 0.6075 GB Notification: Performance of NFFlatten.flatten: time 0.0003572/0.3095, allocations: 387.4 kB / 0.7857 GB, free: 10.99 MB / 0.6075 GB Notification: Performance of NFFlatten.resolveConnections: time 0.000148/0.3097, allocations: 37.11 kB / 0.7857 GB, free: 10.95 MB / 0.6075 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001548/0.3098, allocations: 147.7 kB / 0.7859 GB, free: 10.81 MB / 0.6075 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001801/0.31, allocations: 139.6 kB / 0.786 GB, free: 10.67 MB / 0.6075 GB Notification: Performance of NFPackage.collectConstants: time 5.628e-05/0.3101, allocations: 40 kB / 0.786 GB, free: 10.63 MB / 0.6075 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0001053/0.3102, allocations: 51.98 kB / 0.7861 GB, free: 10.58 MB / 0.6075 GB Notification: Performance of NFScalarize.scalarize: time 6.555e-05/0.3103, allocations: 71.8 kB / 0.7862 GB, free: 10.51 MB / 0.6075 GB Notification: Performance of NFVerifyModel.verify: time 0.0001536/0.3104, allocations: 151.6 kB / 0.7863 GB, free: 10.36 MB / 0.6075 GB Notification: Performance of NFConvertDAE.convert: time 0.0004054/0.3108, allocations: 335.3 kB / 0.7866 GB, free: 10.04 MB / 0.6075 GB Notification: Performance of FrontEnd - DAE generated: time 6.302e-06/0.3109, allocations: 4 kB / 0.7866 GB, free: 10.03 MB / 0.6075 GB Notification: Performance of FrontEnd: time 2.786e-06/0.3109, allocations: 0 / 0.7866 GB, free: 10.03 MB / 0.6075 GB Notification: Performance of Transformations before backend: time 9.859e-06/0.3109, allocations: 0 / 0.7866 GB, free: 10.03 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: 27 * Number of variables: 27 Notification: Performance of Generate backend data structure: time 0.00126/0.3121, allocations: 0.6045 MB / 0.7872 GB, free: 9.363 MB / 0.6075 GB Notification: Performance of prepare preOptimizeDAE: time 6.937e-05/0.3122, allocations: 12.03 kB / 0.7872 GB, free: 9.352 MB / 0.6075 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001288/0.3124, allocations: 28.83 kB / 0.7873 GB, free: 9.324 MB / 0.6075 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.000861/0.3132, allocations: 304.5 kB / 0.7876 GB, free: 8.988 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.971e-05/0.3133, allocations: 28.53 kB / 0.7876 GB, free: 8.961 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.869e-05/0.3134, allocations: 36.36 kB / 0.7876 GB, free: 8.926 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.000494/0.3139, allocations: 263.3 kB / 0.7879 GB, free: 8.664 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.198e-05/0.3139, allocations: 0 / 0.7879 GB, free: 8.664 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.062e-05/0.3139, allocations: 15.97 kB / 0.7879 GB, free: 8.648 MB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.041e-05/0.314, allocations: 7.984 kB / 0.7879 GB, free: 8.641 MB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002308/0.3142, allocations: 120.6 kB / 0.788 GB, free: 8.523 MB / 0.6075 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0009139/0.3151, allocations: 0.6171 MB / 0.7886 GB, free: 7.855 MB / 0.6075 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0005518/0.3157, allocations: 414.4 kB / 0.789 GB, free: 7.426 MB / 0.6075 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002434/0.3159, allocations: 176.8 kB / 0.7892 GB, free: 7.25 MB / 0.6075 GB Notification: Performance of preOpt evalFunc (simulation): time 1.663e-05/0.316, allocations: 8 kB / 0.7892 GB, free: 7.242 MB / 0.6075 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005795/0.3165, allocations: 355 kB / 0.7895 GB, free: 6.883 MB / 0.6075 GB Notification: Performance of pre-optimization done (n=44): time 1.623e-06/0.3165, allocations: 0 / 0.7895 GB, free: 6.883 MB / 0.6075 GB Notification: Performance of matching and sorting (n=44): time 0.000994/0.3175, allocations: 0.6611 MB / 0.7902 GB, free: 6.215 MB / 0.6075 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.499e-05/0.3176, allocations: 71.34 kB / 0.7902 GB, free: 6.133 MB / 0.6075 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001092/0.3177, allocations: 148.7 kB / 0.7904 GB, free: 5.98 MB / 0.6075 GB Notification: Performance of collectPreVariables (initialization): time 6.063e-05/0.3178, allocations: 53.7 kB / 0.7904 GB, free: 5.922 MB / 0.6075 GB Notification: Performance of collectInitialEqns (initialization): time 7.556e-05/0.3179, allocations: 105 kB / 0.7905 GB, free: 5.812 MB / 0.6075 GB Notification: Performance of collectInitialBindings (initialization): time 7.902e-05/0.318, allocations: 98.78 kB / 0.7906 GB, free: 5.715 MB / 0.6075 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001651/0.3181, allocations: 130.1 kB / 0.7907 GB, free: 5.582 MB / 0.6075 GB Notification: Performance of setup shared object (initialization): time 0.0001246/0.3183, allocations: 338.8 kB / 0.7911 GB, free: 5.242 MB / 0.6075 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002488/0.3185, allocations: 145.1 kB / 0.7912 GB, free: 5.102 MB / 0.6075 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003394/0.3189, allocations: 296.1 kB / 0.7915 GB, free: 4.746 MB / 0.6075 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000545/0.3194, allocations: 458.4 kB / 0.7919 GB, free: 4.223 MB / 0.6075 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.352e-06/0.3194, allocations: 8 kB / 0.7919 GB, free: 4.215 MB / 0.6075 GB Notification: Performance of matching and sorting (n=73) (initialization): time 0.0008736/0.3203, allocations: 0.5651 MB / 0.7925 GB, free: 3.633 MB / 0.6075 GB Notification: Performance of prepare postOptimizeDAE: time 6.001e-05/0.3204, allocations: 71.48 kB / 0.7926 GB, free: 3.551 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.859e-06/0.3204, allocations: 4 kB / 0.7926 GB, free: 3.547 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.292e-05/0.3204, allocations: 8 kB / 0.7926 GB, free: 3.539 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000168/0.3206, allocations: 39.86 kB / 0.7926 GB, free: 3.5 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.748e-05/0.3206, allocations: 15.88 kB / 0.7926 GB, free: 3.484 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004522/0.3211, allocations: 99.61 kB / 0.7927 GB, free: 3.387 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.342e-05/0.3211, allocations: 31.98 kB / 0.7927 GB, free: 3.355 MB / 0.6075 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 21 * Number of states: 0 () * Number of discrete variables: 65 ($PRE.noThr.u,$PRE.noThr.reset,$PRE.thrTim.u,$PRE.thrTim.reset,$PRE.noThrWitRes.u,$PRE.noThrWitRes.reset,$PRE.thrTimWitRes.u,$PRE.thrTimWitRes.reset,thrTimWitRes.passed,$PRE.thrTimWitRes.passed,noThrWitRes.passed,$PRE.noThrWitRes.passed,thrTim.passed,$PRE.thrTim.passed,noThr.passed,$PRE.noThr.passed,$whenCondition19,$whenCondition20,$whenCondition17,$whenCondition18,resTim.y,$PRE.resTim.y,thrTimWitRes.reset,noThrWitRes.reset,$whenCondition12,$whenCondition16,booPul.y,$PRE.booPul.y,thrTimWitRes.yAcc,$PRE.thrTimWitRes.yAcc,thrTimWitRes.entryTime,$PRE.thrTimWitRes.entryTime,thrTimWitRes.u,noThrWitRes.yAcc,$PRE.noThrWitRes.yAcc,noThrWitRes.entryTime,$PRE.noThrWitRes.entryTime,noThrWitRes.u,thrTim.yAcc,$PRE.thrTim.yAcc,thrTim.entryTime,$PRE.thrTim.entryTime,thrTim.u,noThr.yAcc,$PRE.noThr.yAcc,noThr.entryTime,$PRE.noThr.entryTime,noThr.u,$whenCondition3,$whenCondition2,$whenCondition1,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition11,$whenCondition10,$whenCondition9,$whenCondition15,$whenCondition14,$whenCondition13,con.y,noThr.reset,$whenCondition4,thrTim.reset,$whenCondition8) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (69): * Single equations (assignments): 67 * Array equations: 0 * Algorithm blocks: 2 * 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 0.0001869/0.3213, allocations: 178.9 kB / 0.7929 GB, free: 3.168 MB / 0.6075 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.516e-05/0.3214, allocations: 31.7 kB / 0.7929 GB, free: 3.137 MB / 0.6075 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 5.628e-05/0.3215, allocations: 22.31 kB / 0.793 GB, free: 3.117 MB / 0.6075 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.821e-06/0.3215, allocations: 4 kB / 0.793 GB, free: 3.113 MB / 0.6075 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.052e-05/0.3215, allocations: 19.86 kB / 0.793 GB, free: 3.094 MB / 0.6075 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.131e-06/0.3215, allocations: 0 / 0.793 GB, free: 3.094 MB / 0.6075 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001376/0.3229, allocations: 1.018 MB / 0.794 GB, free: 2.02 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.224e-06/0.3229, allocations: 4 kB / 0.794 GB, free: 2.016 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 6.457e-05/0.323, allocations: 19.92 kB / 0.794 GB, free: 1.996 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.655e-06/0.323, allocations: 0 / 0.794 GB, free: 1.996 MB / 0.6075 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.448e-05/0.323, allocations: 15.98 kB / 0.794 GB, free: 1.98 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.274e-06/0.323, allocations: 0 / 0.794 GB, free: 1.98 MB / 0.6075 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.585e-06/0.323, allocations: 7.984 kB / 0.794 GB, free: 1.973 MB / 0.6075 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0007186/0.3238, allocations: 0.62 MB / 0.7946 GB, free: 1.336 MB / 0.6075 GB Notification: Performance of postOpt removeConstants (simulation): time 5.896e-05/0.3238, allocations: 100.8 kB / 0.7947 GB, free: 1.219 MB / 0.6075 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.156e-05/0.3239, allocations: 19.98 kB / 0.7947 GB, free: 1.199 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001892/0.3241, allocations: 31.95 kB / 0.7948 GB, free: 1.168 MB / 0.6075 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.194e-05/0.3242, allocations: 43.94 kB / 0.7948 GB, free: 1.125 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.228e-05/0.3242, allocations: 35.97 kB / 0.7949 GB, free: 1.09 MB / 0.6075 GB Notification: Performance of sorting global known variables: time 6.298e-05/0.3243, allocations: 99.27 kB / 0.795 GB, free: 0.9922 MB / 0.6075 GB Notification: Performance of sort global known variables: time 1.1e-07/0.3243, allocations: 0 / 0.795 GB, free: 0.9922 MB / 0.6075 GB Notification: Performance of remove unused functions: time 0.0004254/0.3247, allocations: 99.98 kB / 0.795 GB, free: 0.8945 MB / 0.6075 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 40 (thrTimWitRes.u,noThrWitRes.u,thrTim.u,noThr.u,noThrWitRes.reset,thrTimWitRes.reset,$whenCondition19,$whenCondition20,$whenCondition17,$whenCondition18,$whenCondition13,$whenCondition14,$whenCondition15,$whenCondition16,$whenCondition9,$whenCondition10,$whenCondition11,$whenCondition12,$whenCondition5,$whenCondition6,$whenCondition7,$whenCondition8,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,noThr.passed,noThr.entryTime,noThr.yAcc,thrTim.passed,thrTim.entryTime,thrTim.yAcc,noThrWitRes.passed,noThrWitRes.entryTime,noThrWitRes.yAcc,thrTimWitRes.passed,thrTimWitRes.entryTime,thrTimWitRes.yAcc,booPul.y,resTim.y) * Number of discrete states: 16 (thrTim.entryTime,thrTim.yAcc,noThrWitRes.entryTime,noThrWitRes.yAcc,thrTimWitRes.entryTime,thrTimWitRes.yAcc,noThr.entryTime,noThr.yAcc,thrTimWitRes.y,thrTimWitRes.passed,noThrWitRes.y,noThrWitRes.passed,thrTim.y,thrTim.passed,noThr.y,noThr.passed) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (44): * Single equations (assignments): 30 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 14 * 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 0.0002585/0.325, allocations: 141.8 kB / 0.7952 GB, free: 0.75 MB / 0.6075 GB Notification: Performance of simCode: created initialization part: time 0.0008774/0.3259, allocations: 0.5729 MB / 0.7957 GB, free: 156 kB / 0.6075 GB Notification: Performance of simCode: created event and clocks part: time 2.124e-06/0.3259, allocations: 0 / 0.7957 GB, free: 156 kB / 0.6075 GB Notification: Performance of simCode: created simulation system equations: time 0.0003561/0.3263, allocations: 299.7 kB / 0.796 GB, free: 15.86 MB / 0.6231 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000368/0.3266, allocations: 45.08 kB / 0.7961 GB, free: 15.82 MB / 0.6231 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0008309/0.3275, allocations: 492.8 kB / 0.7965 GB, free: 15.3 MB / 0.6231 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003002/0.3278, allocations: 0.7332 MB / 0.7973 GB, free: 14.54 MB / 0.6231 GB Notification: Performance of simCode: alias equations: time 0.0001102/0.3279, allocations: 34.97 kB / 0.7973 GB, free: 14.51 MB / 0.6231 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 7.798e-05/0.328, allocations: 35.42 kB / 0.7973 GB, free: 14.48 MB / 0.6231 GB Notification: Performance of SimCode: time 4.61e-07/0.328, allocations: 0 / 0.7973 GB, free: 14.48 MB / 0.6231 GB Notification: Performance of Templates: time 0.00771/0.3357, allocations: 4.195 MB / 0.8014 GB, free: 10.3 MB / 0.6231 GB make -j1 -f Buildings_8_Buildings.Controls.OBC.CDL.Logical.Validation.TimerAccumulating.makefile (rm -f Buildings_8_Buildings.Controls.OBC.CDL.Logical.Validation.TimerAccumulating.pipe ; mkfifo Buildings_8_Buildings.Controls.OBC.CDL.Logical.Validation.TimerAccumulating.pipe ; head -c 1048576 < Buildings_8_Buildings.Controls.OBC.CDL.Logical.Validation.TimerAccumulating.pipe >> ../files/Buildings_8_Buildings.Controls.OBC.CDL.Logical.Validation.TimerAccumulating.sim & ./Buildings_8_Buildings.Controls.OBC.CDL.Logical.Validation.TimerAccumulating -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Controls.OBC.CDL.Logical.Validation.TimerAccumulating.pipe 2>&1)