Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesBalanced.Conversion.Examples.ACACTransformer.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+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/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+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 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo) Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesBalanced.Conversion.Examples.ACACTransformer,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesBalanced_Conversion_Examples_ACACTransformer",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesBalanced.Conversion.Examples.ACACTransformer,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesBalanced_Conversion_Examples_ACACTransformer",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.399/1.399, allocations: 251.5 MB / 266.7 MB, free: 10.98 MB / 218.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.000946/0.000946, allocations: 178.4 kB / 325.8 MB, free: 2.68 MB / 250.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.53/1.53, allocations: 205 MB / 0.576 GB, free: 20.96 MB / 426.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0006891/0.0006893, allocations: 80.62 kB / 0.6797 GB, free: 14.7 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 0.0002852/0.0002853, allocations: 13.11 kB / 0.7933 GB, free: 136.5 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1595/0.1599, allocations: 105.4 MB / 0.8962 GB, free: 68.07 MB / 0.6042 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesBalanced.Conversion.Examples.ACACTransformer): time 0.004004/0.1639, allocations: 4.906 MB / 0.901 GB, free: 63.14 MB / 0.6042 GB Notification: Performance of NFInst.instExpressions: time 0.004177/0.1681, allocations: 4.131 MB / 0.905 GB, free: 58.99 MB / 0.6042 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0003816/0.1685, allocations: 11.94 kB / 0.905 GB, free: 58.98 MB / 0.6042 GB Notification: Performance of NFTyping.typeComponents: time 0.001236/0.1697, allocations: 0.5283 MB / 0.9056 GB, free: 58.45 MB / 0.6042 GB Notification: Performance of NFTyping.typeBindings: time 0.001337/0.1711, allocations: 0.6149 MB / 0.9062 GB, free: 57.83 MB / 0.6042 GB Notification: Performance of NFTyping.typeClassSections: time 0.001055/0.1722, allocations: 443 kB / 0.9066 GB, free: 57.4 MB / 0.6042 GB Notification: Performance of NFFlatten.flatten: time 0.001043/0.1732, allocations: 1.411 MB / 0.908 GB, free: 55.98 MB / 0.6042 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0004624/0.1737, allocations: 401.1 kB / 0.9083 GB, free: 55.59 MB / 0.6042 GB Notification: Performance of NFEvalConstants.evaluate: time 0.000292/0.174, allocations: 346.6 kB / 0.9087 GB, free: 55.25 MB / 0.6042 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0004304/0.1744, allocations: 478.2 kB / 0.9091 GB, free: 54.78 MB / 0.6042 GB Notification: Performance of NFPackage.collectConstants: time 6.467e-05/0.1745, allocations: 32 kB / 0.9092 GB, free: 54.75 MB / 0.6042 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001072/0.1756, allocations: 0.9785 MB / 0.9101 GB, free: 53.77 MB / 0.6042 GB Notification: Performance of NFScalarize.scalarize: time 0.0001654/0.1758, allocations: 279.2 kB / 0.9104 GB, free: 53.5 MB / 0.6042 GB Notification: Performance of NFVerifyModel.verify: time 0.0002016/0.176, allocations: 346 kB / 0.9107 GB, free: 53.16 MB / 0.6042 GB Notification: Performance of NFConvertDAE.convert: time 0.0008866/0.1769, allocations: 1.304 MB / 0.912 GB, free: 51.85 MB / 0.6042 GB Notification: Performance of FrontEnd - DAE generated: time 6.462e-06/0.1769, allocations: 8 kB / 0.912 GB, free: 51.84 MB / 0.6042 GB Notification: Performance of FrontEnd: time 1.903e-06/0.1769, allocations: 0 / 0.912 GB, free: 51.84 MB / 0.6042 GB Notification: Performance of Transformations before backend: time 1.021e-05/0.1769, allocations: 4 kB / 0.912 GB, free: 51.84 MB / 0.6042 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 181 * Number of variables: 181 Notification: Performance of Generate backend data structure: time 0.001332/0.1782, allocations: 0.9313 MB / 0.9129 GB, free: 50.86 MB / 0.6042 GB Notification: Performance of prepare preOptimizeDAE: time 3.501e-05/0.1783, allocations: 11.97 kB / 0.9129 GB, free: 50.84 MB / 0.6042 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 9.29e-05/0.1784, allocations: 118.7 kB / 0.913 GB, free: 50.72 MB / 0.6042 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.007759/0.1861, allocations: 1.622 MB / 0.9146 GB, free: 49.09 MB / 0.6042 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0006352/0.1868, allocations: 0.5435 MB / 0.9151 GB, free: 48.51 MB / 0.6042 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.45e-05/0.1868, allocations: 45.67 kB / 0.9152 GB, free: 48.46 MB / 0.6042 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001128/0.187, allocations: 68.3 kB / 0.9152 GB, free: 48.4 MB / 0.6042 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003714/0.1907, allocations: 1.843 MB / 0.917 GB, free: 46.49 MB / 0.6042 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.329e-05/0.1907, allocations: 4 kB / 0.9171 GB, free: 46.48 MB / 0.6042 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.727e-05/0.1908, allocations: 23.98 kB / 0.9171 GB, free: 46.46 MB / 0.6042 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001676/0.191, allocations: 117.4 kB / 0.9172 GB, free: 46.35 MB / 0.6042 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.006212/0.1972, allocations: 2.48 MB / 0.9196 GB, free: 43.86 MB / 0.6042 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 0.006471/0.2037, allocations: 6.365 MB / 0.9258 GB, free: 37.09 MB / 0.6042 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00288/0.2066, allocations: 1.347 MB / 0.9271 GB, free: 35.69 MB / 0.6042 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002104/0.2087, allocations: 0.9025 MB / 0.928 GB, free: 34.77 MB / 0.6042 GB Notification: Performance of preOpt evalFunc (simulation): time 0.002173/0.2109, allocations: 2.166 MB / 0.9301 GB, free: 32.52 MB / 0.6042 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.526e-05/0.2109, allocations: 50.5 kB / 0.9302 GB, free: 32.46 MB / 0.6042 GB Notification: Performance of pre-optimization done (n=69): time 2.816e-06/0.2109, allocations: 0 / 0.9302 GB, free: 32.46 MB / 0.6042 GB Notification: Performance of matching and sorting (n=93): time 0.01879/0.2297, allocations: 6.634 MB / 0.9367 GB, free: 25.8 MB / 0.6042 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.36e-05/0.2298, allocations: 199.8 kB / 0.9369 GB, free: 25.56 MB / 0.6042 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004876/0.2303, allocations: 0.5173 MB / 0.9374 GB, free: 25.03 MB / 0.6042 GB Notification: Performance of collectPreVariables (initialization): time 9.182e-05/0.2304, allocations: 41.7 kB / 0.9374 GB, free: 24.98 MB / 0.6042 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001468/0.2306, allocations: 390.7 kB / 0.9378 GB, free: 24.59 MB / 0.6042 GB Notification: Performance of collectInitialBindings (initialization): time 0.000184/0.2308, allocations: 323.3 kB / 0.9381 GB, free: 24.27 MB / 0.6042 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001289/0.2309, allocations: 101.7 kB / 0.9382 GB, free: 24.16 MB / 0.6042 GB Notification: Performance of setup shared object (initialization): time 6.926e-05/0.231, allocations: 382.8 kB / 0.9385 GB, free: 23.78 MB / 0.6042 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002364/0.2333, allocations: 1.005 MB / 0.9395 GB, free: 22.78 MB / 0.6042 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00248/0.2358, allocations: 1.29 MB / 0.9408 GB, free: 21.37 MB / 0.6042 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.004761/0.2406, allocations: 2.288 MB / 0.943 GB, free: 18.97 MB / 0.6042 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.608e-06/0.2406, allocations: 0 / 0.943 GB, free: 18.97 MB / 0.6042 GB Notification: Performance of matching and sorting (n=152) (initialization): time 0.008394/0.249, allocations: 3.337 MB / 0.9463 GB, free: 15.61 MB / 0.6042 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001305/0.2492, allocations: 342.5 kB / 0.9466 GB, free: 15.16 MB / 0.6042 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.386e-05/0.2492, allocations: 8 kB / 0.9466 GB, free: 15.15 MB / 0.6042 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.003977/0.2532, allocations: 1.096 MB / 0.9477 GB, free: 14.04 MB / 0.6042 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001857/0.255, allocations: 463.2 kB / 0.9481 GB, free: 13.59 MB / 0.6042 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.008202/0.2633, allocations: 8.973 MB / 0.9569 GB, free: 4.09 MB / 0.6042 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001905/0.2652, allocations: 299.5 kB / 0.9572 GB, free: 3.797 MB / 0.6042 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001683/0.2654, allocations: 59.97 kB / 0.9572 GB, free: 3.738 MB / 0.6042 GB Notification: Performance of prepare postOptimizeDAE: time 6.412e-06/0.2654, allocations: 4 kB / 0.9572 GB, free: 3.734 MB / 0.6042 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.007723/0.2731, allocations: 3.028 MB / 0.9602 GB, free: 0.6914 MB / 0.6042 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.648e-05/0.2731, allocations: 8 kB / 0.9602 GB, free: 0.6836 MB / 0.6042 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002679/0.2758, allocations: 0.7594 MB / 0.9609 GB, free: 15.91 MB / 0.6198 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001935/0.2778, allocations: 483.2 kB / 0.9614 GB, free: 15.44 MB / 0.6198 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007918/0.2857, allocations: 6.939 MB / 0.9682 GB, free: 8.094 MB / 0.6198 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001993/0.2877, allocations: 287.6 kB / 0.9685 GB, free: 7.812 MB / 0.6198 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001858/0.2879, allocations: 63.95 kB / 0.9685 GB, free: 7.75 MB / 0.6198 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 37 * 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 (124): * Single equations (assignments): 120 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(2,6,100.0%), (2,6,100.0%), (2,6,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,6)} Notification: Performance of prepare postOptimizeDAE: time 0.0005698/0.2885, allocations: 365.3 kB / 0.9689 GB, free: 7.383 MB / 0.6198 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002818/0.2888, allocations: 75.06 kB / 0.9689 GB, free: 7.309 MB / 0.6198 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.009219/0.298, allocations: 3.098 MB / 0.972 GB, free: 4.18 MB / 0.6198 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.115e-05/0.2981, allocations: 12 kB / 0.972 GB, free: 4.168 MB / 0.6198 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.925e-05/0.2981, allocations: 4 kB / 0.972 GB, free: 4.164 MB / 0.6198 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.888e-05/0.2982, allocations: 11.97 kB / 0.972 GB, free: 4.152 MB / 0.6198 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0117/0.3099, allocations: 5.026 MB / 0.9769 GB, free: 14.99 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.27e-05/0.3099, allocations: 8 kB / 0.9769 GB, free: 14.98 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001555/0.3115, allocations: 364 kB / 0.9772 GB, free: 14.62 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.003774/0.3153, allocations: 1.002 MB / 0.9782 GB, free: 13.61 MB / 0.6355 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001128/0.3154, allocations: 35.97 kB / 0.9783 GB, free: 13.57 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.009525/0.3249, allocations: 8.668 MB / 0.9867 GB, free: 4.363 MB / 0.6355 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.838e-05/0.325, allocations: 11.92 kB / 0.9867 GB, free: 4.352 MB / 0.6355 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.008793/0.3338, allocations: 3.254 MB / 0.9899 GB, free: 1 MB / 0.6355 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000552/0.3343, allocations: 300.1 kB / 0.9902 GB, free: 0.6875 MB / 0.6355 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001828/0.3345, allocations: 35.83 kB / 0.9902 GB, free: 0.6523 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001742/0.3363, allocations: 295.5 kB / 0.9905 GB, free: 372 kB / 0.6355 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002603/0.3366, allocations: 91.83 kB / 0.9906 GB, free: 280 kB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.948e-05/0.3367, allocations: 43.97 kB / 0.9906 GB, free: 236 kB / 0.6355 GB Notification: Performance of sorting global known variables: time 0.0004456/0.3371, allocations: 366.8 kB / 0.991 GB, free: 15.87 MB / 0.6511 GB Notification: Performance of sort global known variables: time 1.4e-07/0.3371, allocations: 0 / 0.991 GB, free: 15.87 MB / 0.6511 GB Notification: Performance of remove unused functions: time 0.001792/0.3389, allocations: 0.5039 MB / 0.9915 GB, free: 15.37 MB / 0.6511 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 23 * 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 (66): * Single equations (assignments): 62 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(2,6,100.0%), (2,6,100.0%), (2,6,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,6)} Notification: Performance of Backend phase and start with SimCode phase: time 0.009326/0.3483, allocations: 3.84 MB / 0.9952 GB, free: 11.43 MB / 0.6511 GB Notification: Performance of simCode: created initialization part: time 0.01169/0.36, allocations: 4.819 MB / 0.9999 GB, free: 6.523 MB / 0.6511 GB Notification: Performance of simCode: created event and clocks part: time 8.736e-06/0.36, allocations: 1.062 kB / 0.9999 GB, free: 6.523 MB / 0.6511 GB Notification: Performance of simCode: created simulation system equations: time 0.003801/0.3638, allocations: 1.752 MB / 1.002 GB, free: 4.719 MB / 0.6511 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001319/0.3652, allocations: 118.2 kB / 1.002 GB, free: 4.605 MB / 0.6511 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03251/0.3977, allocations: 14.21 MB / 1.016 GB, free: 5.914 MB / 0.6667 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005813/0.3983, allocations: 1.04 MB / 1.017 GB, free: 4.844 MB / 0.6667 GB Notification: Performance of simCode: alias equations: time 0.001733/0.4, allocations: 0.4906 MB / 1.017 GB, free: 4.348 MB / 0.6667 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000446/0.4005, allocations: 271.3 kB / 1.017 GB, free: 4.082 MB / 0.6667 GB Notification: Performance of SimCode: time 3.3e-07/0.4005, allocations: 0 / 1.017 GB, free: 4.082 MB / 0.6667 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.5243/0.9248, allocations: 26.19 MB / 1.043 GB, free: 10.19 MB / 0.698 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0003058/0.9251, allocations: 286.3 kB / 1.043 GB, free: 9.805 MB / 0.698 GB Notification: Performance of buildModelFMU: Generate platform static: time 2.748/3.673, allocations: 0 / 1.043 GB, free: 9.805 MB / 0.698 GB (rm -f Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesBalanced.Conversion.Examples.ACACTransformer.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesBalanced.Conversion.Examples.ACACTransformer.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesBalanced.Conversion.Examples.ACACTransformer.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesBalanced.Conversion.Examples.ACACTransformer.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesBalanced_Conversion_Examples_ACACTransformer_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesBalanced_Conversion_Examples_ACACTransformer.fmu > Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesBalanced.Conversion.Examples.ACACTransformer.pipe 2>&1)