Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource.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.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource") translateModel(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001323/0.001323, allocations: 107.5 kB / 16.41 MB, free: 6.449 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00154/0.00154, allocations: 189.2 kB / 17.34 MB, free: 5.707 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.434/1.434, allocations: 222.9 MB / 241 MB, free: 15.05 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002538/0.002538, allocations: 296.6 kB / 291.5 MB, free: 14.42 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.036/1.036, allocations: 169.2 MB / 0.499 GB, free: 4.41 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002768/0.002768, allocations: 100.3 kB / 0.6821 GB, free: 6.965 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4349/0.4377, allocations: 86.98 MB / 0.7671 GB, free: 3.926 MB / 0.5294 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource): time 0.032/0.4697, allocations: 16.72 MB / 0.7834 GB, free: 3.145 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.01492/0.4846, allocations: 6.281 MB / 0.7895 GB, free: 12.84 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001387/0.486, allocations: 51.81 kB / 0.7896 GB, free: 12.79 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.004627/0.4906, allocations: 1.313 MB / 0.7909 GB, free: 11.47 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.002871/0.4935, allocations: 0.8558 MB / 0.7917 GB, free: 10.61 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.00518/0.4987, allocations: 1.551 MB / 0.7932 GB, free: 9.062 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.006272/0.505, allocations: 3.843 MB / 0.797 GB, free: 5.211 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005553/0.5105, allocations: 3.695 MB / 0.8006 GB, free: 1.453 MB / 0.5606 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002509/0.513, allocations: 1.667 MB / 0.8022 GB, free: 15.78 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003072/0.5161, allocations: 1.983 MB / 0.8041 GB, free: 13.79 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.00056/0.5166, allocations: 380 kB / 0.8045 GB, free: 13.42 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001462/0.5181, allocations: 0.8231 MB / 0.8053 GB, free: 12.6 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.001501/0.5196, allocations: 1.532 MB / 0.8068 GB, free: 11.06 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.001672/0.5213, allocations: 1.529 MB / 0.8083 GB, free: 9.527 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.005847/0.5271, allocations: 5.555 MB / 0.8137 GB, free: 3.961 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 6.091e-06/0.5271, allocations: 0 / 0.8137 GB, free: 3.961 MB / 0.5762 GB Notification: Performance of FrontEnd: time 1.442e-06/0.5271, allocations: 0 / 0.8137 GB, free: 3.961 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 0.0001227/0.5273, allocations: 4 kB / 0.8137 GB, free: 3.957 MB / 0.5762 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 689 * Number of variables: 689 Notification: Performance of Generate backend data structure: time 0.006551/0.5338, allocations: 2.777 MB / 0.8164 GB, free: 1.117 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 4.047e-05/0.5339, allocations: 11.97 kB / 0.8164 GB, free: 1.105 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003876/0.5377, allocations: 0.7875 MB / 0.8172 GB, free: 324 kB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003052/0.5408, allocations: 1.447 MB / 0.8186 GB, free: 14.83 MB / 0.5919 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001501/0.5409, allocations: 189.5 kB / 0.8188 GB, free: 14.64 MB / 0.5919 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004858/0.5414, allocations: 252.4 kB / 0.819 GB, free: 14.39 MB / 0.5919 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.007398/0.5488, allocations: 4.588 MB / 0.8235 GB, free: 9.605 MB / 0.5919 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.862e-05/0.5489, allocations: 7.938 kB / 0.8235 GB, free: 9.598 MB / 0.5919 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002924/0.5492, allocations: 108 kB / 0.8236 GB, free: 9.492 MB / 0.5919 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002207/0.5494, allocations: 176.3 kB / 0.8238 GB, free: 9.316 MB / 0.5919 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.007131/0.5565, allocations: 3.835 MB / 0.8275 GB, free: 5.473 MB / 0.5919 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.02514/0.5817, allocations: 21.31 MB / 0.8484 GB, free: 14.25 MB / 0.6231 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002891/0.5845, allocations: 2.215 MB / 0.8505 GB, free: 11.75 MB / 0.6231 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00113/0.5857, allocations: 0.6968 MB / 0.8512 GB, free: 11.04 MB / 0.6231 GB Notification: Performance of preOpt evalFunc (simulation): time 4.703e-05/0.5857, allocations: 19.92 kB / 0.8512 GB, free: 11.02 MB / 0.6231 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.519e-05/0.5858, allocations: 42.56 kB / 0.8513 GB, free: 10.96 MB / 0.6231 GB Notification: Performance of pre-optimization done (n=62): time 3.226e-06/0.5858, allocations: 0 / 0.8513 GB, free: 10.96 MB / 0.6231 GB Notification: Performance of matching and sorting (n=68): time 0.006695/0.5925, allocations: 4.383 MB / 0.8555 GB, free: 6.551 MB / 0.6231 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002491/0.5927, allocations: 247.2 kB / 0.8558 GB, free: 6.254 MB / 0.6231 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001628/0.5943, allocations: 1.117 MB / 0.8569 GB, free: 5.113 MB / 0.6231 GB Notification: Performance of collectPreVariables (initialization): time 6.483e-05/0.5944, allocations: 33.7 kB / 0.8569 GB, free: 5.074 MB / 0.6231 GB Notification: Performance of collectInitialEqns (initialization): time 0.001008/0.5954, allocations: 1.235 MB / 0.8581 GB, free: 3.824 MB / 0.6231 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002976/0.5957, allocations: 269.8 kB / 0.8584 GB, free: 3.559 MB / 0.6231 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004943/0.5962, allocations: 335.3 kB / 0.8587 GB, free: 3.223 MB / 0.6231 GB Notification: Performance of setup shared object (initialization): time 0.0001862/0.5964, allocations: 341.9 kB / 0.859 GB, free: 2.883 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001091/0.5975, allocations: 0.7113 MB / 0.8597 GB, free: 2.168 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001835/0.5993, allocations: 1.407 MB / 0.8611 GB, free: 436 kB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003015/0.6023, allocations: 2.159 MB / 0.8632 GB, free: 13.94 MB / 0.6387 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.194e-05/0.6024, allocations: 4 kB / 0.8632 GB, free: 13.93 MB / 0.6387 GB Notification: Performance of matching and sorting (n=192) (initialization): time 0.003647/0.606, allocations: 2.191 MB / 0.8653 GB, free: 11.73 MB / 0.6387 GB Notification: Performance of prepare postOptimizeDAE: time 3.648e-05/0.606, allocations: 19.94 kB / 0.8653 GB, free: 11.71 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.825e-05/0.6061, allocations: 24 kB / 0.8654 GB, free: 11.69 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.722e-05/0.6061, allocations: 32.75 kB / 0.8654 GB, free: 11.66 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001551/0.6077, allocations: 431.2 kB / 0.8658 GB, free: 11.24 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.181e-05/0.6077, allocations: 51.8 kB / 0.8659 GB, free: 11.19 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001372/0.6091, allocations: 195.5 kB / 0.866 GB, free: 11 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001357/0.6092, allocations: 83.98 kB / 0.8661 GB, free: 10.91 MB / 0.6387 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002444/0.6117, allocations: 1.542 MB / 0.8676 GB, free: 9.367 MB / 0.6387 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001509/0.6132, allocations: 1.325 MB / 0.8689 GB, free: 7.695 MB / 0.6387 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.00255/0.6157, allocations: 1.972 MB / 0.8709 GB, free: 5.371 MB / 0.6387 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.496e-05/0.6157, allocations: 11.98 kB / 0.8709 GB, free: 5.359 MB / 0.6387 GB Notification: Performance of matching and sorting (n=192) (initialization_lambda0): time 0.003105/0.6188, allocations: 1.98 MB / 0.8728 GB, free: 3.371 MB / 0.6387 GB Notification: Performance of prepare postOptimizeDAE: time 2.256e-05/0.6189, allocations: 16.19 kB / 0.8728 GB, free: 3.355 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.416e-05/0.6189, allocations: 28 kB / 0.8728 GB, free: 3.328 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.679e-05/0.6189, allocations: 39.94 kB / 0.8729 GB, free: 3.289 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001273/0.6202, allocations: 391.3 kB / 0.8733 GB, free: 2.906 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.428e-05/0.6202, allocations: 51.8 kB / 0.8733 GB, free: 2.855 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001137/0.6214, allocations: 147.6 kB / 0.8734 GB, free: 2.711 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001115/0.6215, allocations: 83.98 kB / 0.8735 GB, free: 2.629 MB / 0.6387 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 108 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (192): * Single equations (assignments): 192 * 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 prepare postOptimizeDAE: time 0.0004302/0.6219, allocations: 291.6 kB / 0.8738 GB, free: 2.336 MB / 0.6387 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000308/0.6222, allocations: 119.2 kB / 0.8739 GB, free: 2.219 MB / 0.6387 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001781/0.624, allocations: 1.092 MB / 0.875 GB, free: 1.117 MB / 0.6387 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.069e-05/0.624, allocations: 8 kB / 0.875 GB, free: 1.109 MB / 0.6387 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.574e-06/0.624, allocations: 0 / 0.875 GB, free: 1.109 MB / 0.6387 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.224e-05/0.624, allocations: 7.984 kB / 0.875 GB, free: 1.102 MB / 0.6387 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01452/0.6386, allocations: 10.19 MB / 0.8849 GB, free: 6.652 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.445e-05/0.6386, allocations: 17 kB / 0.885 GB, free: 6.637 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006851/0.6393, allocations: 187.7 kB / 0.8851 GB, free: 6.453 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.336e-05/0.6393, allocations: 24 kB / 0.8852 GB, free: 6.43 MB / 0.6544 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.222e-05/0.6394, allocations: 32 kB / 0.8852 GB, free: 6.398 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.669e-05/0.6394, allocations: 31.86 kB / 0.8852 GB, free: 6.367 MB / 0.6544 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.882e-05/0.6394, allocations: 23.94 kB / 0.8852 GB, free: 6.344 MB / 0.6544 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002387/0.6418, allocations: 2.178 MB / 0.8874 GB, free: 3.949 MB / 0.6544 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005999/0.6424, allocations: 316.2 kB / 0.8877 GB, free: 3.621 MB / 0.6544 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001455/0.6426, allocations: 43.92 kB / 0.8877 GB, free: 3.578 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001003/0.6436, allocations: 95.86 kB / 0.8878 GB, free: 3.484 MB / 0.6544 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001458/0.6437, allocations: 99.5 kB / 0.8879 GB, free: 3.387 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.278e-05/0.6438, allocations: 43.94 kB / 0.8879 GB, free: 3.344 MB / 0.6544 GB Notification: Performance of sorting global known variables: time 0.001107/0.6449, allocations: 0.7659 MB / 0.8887 GB, free: 2.566 MB / 0.6544 GB Notification: Performance of sort global known variables: time 9e-08/0.6449, allocations: 0 / 0.8887 GB, free: 2.566 MB / 0.6544 GB Notification: Performance of remove unused functions: time 0.002935/0.6478, allocations: 0.7266 MB / 0.8894 GB, free: 1.84 MB / 0.6544 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 70 * Number of states: 0 () * 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 (74): * Single equations (assignments): 74 * 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 0.0002451/0.6481, allocations: 147.2 kB / 0.8895 GB, free: 1.684 MB / 0.6544 GB Notification: Performance of simCode: created initialization part: time 0.003844/0.6519, allocations: 2.413 MB / 0.8919 GB, free: 15.29 MB / 0.67 GB Notification: Performance of simCode: created event and clocks part: time 1.069e-05/0.6519, allocations: 4 kB / 0.8919 GB, free: 15.28 MB / 0.67 GB Notification: Performance of simCode: created simulation system equations: time 0.0008318/0.6527, allocations: 0.5568 MB / 0.8924 GB, free: 14.73 MB / 0.67 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002004/0.6547, allocations: 255.4 kB / 0.8927 GB, free: 14.49 MB / 0.67 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007657/0.6624, allocations: 4.459 MB / 0.897 GB, free: 9.785 MB / 0.67 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002094/0.6645, allocations: 2.007 MB / 0.899 GB, free: 7.746 MB / 0.67 GB Notification: Performance of simCode: alias equations: time 0.002058/0.6666, allocations: 0.8558 MB / 0.8998 GB, free: 6.887 MB / 0.67 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003211/0.6669, allocations: 87.41 kB / 0.8999 GB, free: 6.801 MB / 0.67 GB Notification: Performance of SimCode: time 9.71e-07/0.6669, allocations: 4 kB / 0.8999 GB, free: 6.797 MB / 0.67 GB Notification: Performance of Templates: time 0.02872/0.6956, allocations: 14.89 MB / 0.9145 GB, free: 8.051 MB / 0.6856 GB make -j1 -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource.makefile (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource.sim & ./BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource -abortSlowSimulation -alarm=480 -s cvode -lv LOG_STATS > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource.pipe 2>&1)