Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11.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/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-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(BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11,tolerance=1e-07,outputFormat="empty",numberOfIntervals=172800,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11") translateModel(BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11,tolerance=1e-07,outputFormat="empty",numberOfIntervals=172800,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001184/0.001184, allocations: 101.6 kB / 16.35 MB, free: 5.875 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00117/0.00117, allocations: 199.1 kB / 17.3 MB, free: 5.516 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.219/1.219, allocations: 222.9 MB / 241 MB, free: 14.99 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002051/0.002051, allocations: 298.1 kB / 291.4 MB, free: 14.45 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.8731/0.8731, allocations: 169.3 MB / 0.4989 GB, free: 4.441 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.00166/0.00166, allocations: 94.77 kB / 0.5967 GB, free: 14.45 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1361/0.1378, allocations: 86.97 MB / 0.6816 GB, free: 7.469 MB / 494.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11): time 0.3733/0.5112, allocations: 158.3 MB / 0.8362 GB, free: 260 kB / 0.5919 GB Notification: Performance of NFInst.instExpressions: time 0.02328/0.5345, allocations: 22.23 MB / 0.8579 GB, free: 9.945 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001814/0.5363, allocations: 63.69 kB / 0.858 GB, free: 9.883 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.002073/0.5385, allocations: 1.975 MB / 0.8599 GB, free: 7.902 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.001621/0.5401, allocations: 1.331 MB / 0.8612 GB, free: 6.566 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.001399/0.5415, allocations: 0.6816 MB / 0.8618 GB, free: 5.891 MB / 0.6231 GB Notification: Performance of NFFlatten.flatten: time 0.001682/0.5432, allocations: 1.954 MB / 0.8638 GB, free: 3.93 MB / 0.6231 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001128/0.5443, allocations: 1.147 MB / 0.8649 GB, free: 2.77 MB / 0.6231 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0008119/0.5452, allocations: 0.8879 MB / 0.8657 GB, free: 1.879 MB / 0.6231 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001279/0.5465, allocations: 1.447 MB / 0.8672 GB, free: 440 kB / 0.6231 GB Notification: Performance of NFPackage.collectConstants: time 0.0001458/0.5466, allocations: 104 kB / 0.8673 GB, free: 336 kB / 0.6231 GB Notification: Performance of NFFlatten.collectFunctions: time 0.000259/0.5469, allocations: 160 kB / 0.8674 GB, free: 176 kB / 0.6231 GB Notification: Performance of NFScalarize.scalarize: time 0.0003836/0.5473, allocations: 0.5233 MB / 0.8679 GB, free: 15.64 MB / 0.6387 GB Notification: Performance of NFVerifyModel.verify: time 0.0005892/0.5479, allocations: 0.8185 MB / 0.8687 GB, free: 14.82 MB / 0.6387 GB Notification: Performance of NFConvertDAE.convert: time 0.001465/0.5493, allocations: 1.975 MB / 0.8706 GB, free: 12.84 MB / 0.6387 GB Notification: Performance of FrontEnd - DAE generated: time 3.768e-06/0.5494, allocations: 0 / 0.8706 GB, free: 12.84 MB / 0.6387 GB Notification: Performance of FrontEnd: time 1.092e-06/0.5494, allocations: 0 / 0.8706 GB, free: 12.84 MB / 0.6387 GB Notification: Performance of Transformations before backend: time 1.607e-05/0.5494, allocations: 0 / 0.8706 GB, free: 12.84 MB / 0.6387 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 196 * Number of variables: 196 Notification: Performance of Generate backend data structure: time 0.003097/0.5525, allocations: 2.387 MB / 0.873 GB, free: 10.4 MB / 0.6387 GB Notification: Performance of prepare preOptimizeDAE: time 3.088e-05/0.5525, allocations: 8.031 kB / 0.873 GB, free: 10.39 MB / 0.6387 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002962/0.5528, allocations: 241.9 kB / 0.8732 GB, free: 10.15 MB / 0.6387 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001373/0.5542, allocations: 1.058 MB / 0.8742 GB, free: 9.023 MB / 0.6387 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000126/0.5543, allocations: 99.69 kB / 0.8743 GB, free: 8.922 MB / 0.6387 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001197/0.5545, allocations: 91.92 kB / 0.8744 GB, free: 8.832 MB / 0.6387 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001349/0.5558, allocations: 0.8612 MB / 0.8753 GB, free: 7.938 MB / 0.6387 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.157e-05/0.5559, allocations: 7.906 kB / 0.8753 GB, free: 7.93 MB / 0.6387 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.717e-05/0.5559, allocations: 36 kB / 0.8753 GB, free: 7.895 MB / 0.6387 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.494e-05/0.556, allocations: 20 kB / 0.8753 GB, free: 7.875 MB / 0.6387 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001199/0.5572, allocations: 0.6402 MB / 0.876 GB, free: 7.234 MB / 0.6387 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 0.004845/0.562, allocations: 4.169 MB / 0.88 GB, free: 2.754 MB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001321/0.5633, allocations: 0.7145 MB / 0.8807 GB, free: 2.035 MB / 0.6387 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007307/0.5641, allocations: 415.2 kB / 0.8811 GB, free: 1.629 MB / 0.6387 GB Notification: Performance of preOpt evalFunc (simulation): time 5.75e-05/0.5642, allocations: 16.66 kB / 0.8811 GB, free: 1.613 MB / 0.6387 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0007463/0.5649, allocations: 432.2 kB / 0.8816 GB, free: 1.176 MB / 0.6387 GB Notification: Performance of pre-optimization done (n=79): time 2.314e-06/0.5649, allocations: 0 / 0.8816 GB, free: 1.176 MB / 0.6387 GB Notification: Performance of matching and sorting (n=79): time 0.005455/0.5704, allocations: 2.107 MB / 0.8836 GB, free: 15.02 MB / 0.6544 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.052e-05/0.5705, allocations: 85.77 kB / 0.8837 GB, free: 14.91 MB / 0.6544 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002956/0.5734, allocations: 3.2 MB / 0.8868 GB, free: 11.69 MB / 0.6544 GB Notification: Performance of collectPreVariables (initialization): time 6e-05/0.5735, allocations: 49.7 kB / 0.8869 GB, free: 11.63 MB / 0.6544 GB Notification: Performance of collectInitialEqns (initialization): time 0.000723/0.5742, allocations: 0.9598 MB / 0.8878 GB, free: 10.66 MB / 0.6544 GB Notification: Performance of collectInitialBindings (initialization): time 0.000185/0.5744, allocations: 256.5 kB / 0.888 GB, free: 10.41 MB / 0.6544 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00021/0.5746, allocations: 150.7 kB / 0.8882 GB, free: 10.26 MB / 0.6544 GB Notification: Performance of setup shared object (initialization): time 0.0001231/0.5748, allocations: 337.9 kB / 0.8885 GB, free: 9.922 MB / 0.6544 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006256/0.5754, allocations: 313.8 kB / 0.8888 GB, free: 9.613 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007157/0.5761, allocations: 473.2 kB / 0.8893 GB, free: 9.105 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001205/0.5773, allocations: 0.7341 MB / 0.89 GB, free: 8.324 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.707e-06/0.5773, allocations: 0 / 0.89 GB, free: 8.324 MB / 0.6544 GB Notification: Performance of matching and sorting (n=110) (initialization): time 0.002123/0.5795, allocations: 1.238 MB / 0.8912 GB, free: 7.074 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 1.988e-05/0.5795, allocations: 14.09 kB / 0.8912 GB, free: 7.062 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.428e-06/0.5795, allocations: 7.938 kB / 0.8912 GB, free: 7.055 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.000884/0.5804, allocations: 322.8 kB / 0.8915 GB, free: 6.738 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004369/0.5809, allocations: 131.7 kB / 0.8916 GB, free: 6.609 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005472/0.5863, allocations: 4.07 MB / 0.8956 GB, free: 2.406 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005801/0.5869, allocations: 103.2 kB / 0.8957 GB, free: 2.305 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.461e-05/0.587, allocations: 35.98 kB / 0.8957 GB, free: 2.27 MB / 0.6544 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 16 * Number of states: 0 () * Number of discrete variables: 34 (assEqu.nFai,$PRE.assEqu.nFai,$whenCondition7,$PRE.intGai.nextTimeEvent,$whenCondition6,$PRE.reference.nextTimeEvent,$whenCondition5,$PRE.setTemp.nextTimeEvent,$whenCondition4,$whenCondition2,cha.u,$PRE.cha.u,thr.y,timer.entryTime,$PRE.timer.entryTime,not1.y,mean.y_last,$PRE.mean.y_last,assEqu.satisfied,$PRE.assEqu.satisfied,hysteresis.y,$PRE.hysteresis.y,setTemp.nextTimeEventScaled,$PRE.setTemp.nextTimeEventScaled,setTemp.nextTimeEvent,reference.nextTimeEventScaled,$PRE.reference.nextTimeEventScaled,reference.nextTimeEvent,intGai.nextTimeEventScaled,$PRE.intGai.nextTimeEventScaled,intGai.nextTimeEvent,$whenCondition1,$whenCondition3,conHeaCoo.I.trigger_internal) * 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: 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,31)} Notification: Performance of prepare postOptimizeDAE: time 0.0006888/0.5877, allocations: 0.5834 MB / 0.8963 GB, free: 1.676 MB / 0.6544 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001958/0.5879, allocations: 209.4 kB / 0.8965 GB, free: 1.469 MB / 0.6544 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0003104/0.5882, allocations: 249.5 kB / 0.8968 GB, free: 1.215 MB / 0.6544 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.329e-05/0.5882, allocations: 8 kB / 0.8968 GB, free: 1.207 MB / 0.6544 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.27e-06/0.5882, allocations: 0 / 0.8968 GB, free: 1.207 MB / 0.6544 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.504e-06/0.5883, allocations: 3.984 kB / 0.8968 GB, free: 1.203 MB / 0.6544 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00359/0.5919, allocations: 2.405 MB / 0.8991 GB, free: 14.73 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.146e-06/0.5919, allocations: 0 / 0.8991 GB, free: 14.73 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002927/0.5922, allocations: 63.91 kB / 0.8992 GB, free: 14.67 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0008357/0.593, allocations: 339.2 kB / 0.8995 GB, free: 14.34 MB / 0.67 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.337e-05/0.5931, allocations: 27.92 kB / 0.8995 GB, free: 14.31 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.006212/0.5993, allocations: 5.542 MB / 0.9049 GB, free: 8.496 MB / 0.67 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.743e-06/0.5993, allocations: 4 kB / 0.9049 GB, free: 8.492 MB / 0.67 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002569/0.6019, allocations: 1.573 MB / 0.9065 GB, free: 6.895 MB / 0.67 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004442/0.6023, allocations: 318.3 kB / 0.9068 GB, free: 6.562 MB / 0.67 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001385/0.6025, allocations: 19.94 kB / 0.9068 GB, free: 6.543 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004416/0.6029, allocations: 43.95 kB / 0.9068 GB, free: 6.5 MB / 0.67 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001871/0.6031, allocations: 96.52 kB / 0.9069 GB, free: 6.406 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.709e-05/0.6032, allocations: 31.98 kB / 0.907 GB, free: 6.375 MB / 0.67 GB Notification: Performance of sorting global known variables: time 0.002246/0.6055, allocations: 2.33 MB / 0.9092 GB, free: 4.031 MB / 0.67 GB Notification: Performance of sort global known variables: time 1.4e-07/0.6055, allocations: 0 / 0.9092 GB, free: 4.031 MB / 0.67 GB Notification: Performance of remove unused functions: time 0.0009094/0.6064, allocations: 327.4 kB / 0.9096 GB, free: 3.711 MB / 0.67 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 5 (thermalZoneTwoElements.extWallRC.thermCapExt[1].T,thermalZoneTwoElements.intWallRC.thermCapInt[1].T,conHeaCoo.I.y,assEqu.diff,mean.x) * Number of discrete variables: 21 (not1.y,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,intGai.nextTimeEvent,intGai.nextTimeEventScaled,reference.nextTimeEvent,reference.nextTimeEventScaled,setTemp.nextTimeEvent,setTemp.nextTimeEventScaled,hysteresis.y,assEqu.satisfied,assEqu.nFai,mean.y_last,timer.entryTime,thr.y,cha.u) * Number of discrete states: 11 (intGai.nextTimeEvent,reference.nextTimeEvent,setTemp.nextTimeEvent,mean.x,assEqu.satisfied,assEqu.nFai,setTemp.nextTimeEventScaled,reference.nextTimeEventScaled,intGai.nextTimeEventScaled,hysteresis.y,cha.u) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (47): * Single equations (assignments): 36 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 9 * 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): 1 system {(1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(3,27)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001037/0.6074, allocations: 0.4907 MB / 0.91 GB, free: 3.398 MB / 0.67 GB Notification: Performance of simCode: created initialization part: time 0.001888/0.6093, allocations: 1.031 MB / 0.911 GB, free: 2.355 MB / 0.67 GB Notification: Performance of simCode: created event and clocks part: time 2.635e-06/0.6093, allocations: 0 / 0.911 GB, free: 2.355 MB / 0.67 GB Notification: Performance of simCode: created simulation system equations: time 0.001238/0.6106, allocations: 0.7733 MB / 0.9118 GB, free: 1.555 MB / 0.67 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001161/0.6117, allocations: 308.3 kB / 0.9121 GB, free: 1.266 MB / 0.67 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004898/0.6167, allocations: 4.064 MB / 0.9161 GB, free: 13.16 MB / 0.6856 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00104/0.6177, allocations: 1.528 MB / 0.9176 GB, free: 11.61 MB / 0.6856 GB Notification: Performance of simCode: alias equations: time 0.0003422/0.6181, allocations: 131.2 kB / 0.9177 GB, free: 11.47 MB / 0.6856 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001503/0.6182, allocations: 63.42 kB / 0.9177 GB, free: 11.41 MB / 0.6856 GB Notification: Performance of SimCode: time 3.4e-07/0.6182, allocations: 0 / 0.9177 GB, free: 11.41 MB / 0.6856 GB Notification: Performance of Templates: time 0.02898/0.6472, allocations: 17.16 MB / 0.9345 GB, free: 10.45 MB / 0.7012 GB make -j1 -f BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11.makefile (rm -f BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11.pipe ; mkfifo BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11.pipe >> ../files/BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11.sim & ./BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11 -abortSlowSimulation -alarm=480 -s gbode -lv LOG_STATS > BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11.pipe 2>&1)