Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Conversion.Examples.ACDCConverter.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: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesBalanced.Conversion.Examples.ACDCConverter,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesBalanced_Conversion_Examples_ACDCConverter",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesBalanced.Conversion.Examples.ACDCConverter,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesBalanced_Conversion_Examples_ACDCConverter",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008159/0.0008157, allocations: 90.67 kB / 15.36 MB, free: 0.7383 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.005519/0.005519, allocations: 172.6 kB / 16.26 MB, free: 6.613 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.333/1.333, allocations: 205.4 MB / 222.4 MB, free: 5.559 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 1.626/1.626, allocations: 292.7 MB / 0.5502 GB, free: 14.46 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 0.0004887/0.0004888, allocations: 17.8 kB / 0.6744 GB, free: 25.64 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2066/0.2071, allocations: 116.3 MB / 0.788 GB, free: 11.48 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesBalanced.Conversion.Examples.ACDCConverter): time 0.003797/0.2109, allocations: 3.074 MB / 0.791 GB, free: 8.383 MB / 0.6075 GB Notification: Performance of NFInst.instExpressions: time 0.003065/0.214, allocations: 2.18 MB / 0.7931 GB, free: 6.191 MB / 0.6075 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001094/0.2142, allocations: 8 kB / 0.7931 GB, free: 6.184 MB / 0.6075 GB Notification: Performance of NFTyping.typeComponents: time 0.0001642/0.2143, allocations: 43.64 kB / 0.7932 GB, free: 6.141 MB / 0.6075 GB Notification: Performance of NFTyping.typeBindings: time 0.000507/0.2149, allocations: 219.1 kB / 0.7934 GB, free: 5.926 MB / 0.6075 GB Notification: Performance of NFTyping.typeClassSections: time 0.0006119/0.2155, allocations: 262.3 kB / 0.7936 GB, free: 5.672 MB / 0.6075 GB Notification: Performance of NFFlatten.flatten: time 0.0005067/0.216, allocations: 0.5336 MB / 0.7942 GB, free: 5.137 MB / 0.6075 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0004711/0.2165, allocations: 329.2 kB / 0.7945 GB, free: 4.785 MB / 0.6075 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001748/0.2167, allocations: 123.4 kB / 0.7946 GB, free: 4.664 MB / 0.6075 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0002762/0.2169, allocations: 175.4 kB / 0.7948 GB, free: 4.492 MB / 0.6075 GB Notification: Performance of NFPackage.collectConstants: time 2.777e-05/0.217, allocations: 8 kB / 0.7948 GB, free: 4.484 MB / 0.6075 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0006475/0.2176, allocations: 0.4951 MB / 0.7953 GB, free: 3.988 MB / 0.6075 GB Notification: Performance of NFScalarize.scalarize: time 9.182e-05/0.2177, allocations: 87.7 kB / 0.7953 GB, free: 3.902 MB / 0.6075 GB Notification: Performance of NFVerifyModel.verify: time 0.0001376/0.2179, allocations: 153 kB / 0.7955 GB, free: 3.746 MB / 0.6075 GB Notification: Performance of NFConvertDAE.convert: time 0.0005509/0.2184, allocations: 0.5257 MB / 0.796 GB, free: 3.219 MB / 0.6075 GB Notification: Performance of FrontEnd - DAE generated: time 3.146e-06/0.2184, allocations: 0 / 0.796 GB, free: 3.219 MB / 0.6075 GB Notification: Performance of FrontEnd: time 1.352e-06/0.2185, allocations: 0 / 0.796 GB, free: 3.219 MB / 0.6075 GB Notification: Performance of Transformations before backend: time 5.05e-06/0.2185, allocations: 0 / 0.796 GB, free: 3.219 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: 63 * Number of variables: 63 Notification: Performance of Generate backend data structure: time 0.0007974/0.2193, allocations: 0.5535 MB / 0.7965 GB, free: 2.617 MB / 0.6075 GB Notification: Performance of prepare preOptimizeDAE: time 3.667e-05/0.2193, allocations: 12.03 kB / 0.7965 GB, free: 2.605 MB / 0.6075 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 6.569e-05/0.2194, allocations: 70.7 kB / 0.7966 GB, free: 2.527 MB / 0.6075 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007985/0.2202, allocations: 120.4 kB / 0.7967 GB, free: 2.41 MB / 0.6075 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003071/0.2205, allocations: 271.8 kB / 0.797 GB, free: 2.105 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.16e-05/0.2205, allocations: 16.81 kB / 0.797 GB, free: 2.086 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 4.044e-05/0.2206, allocations: 24.31 kB / 0.797 GB, free: 2.062 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0006433/0.2212, allocations: 419.7 kB / 0.7974 GB, free: 1.621 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.117e-05/0.2213, allocations: 3.938 kB / 0.7974 GB, free: 1.617 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.087e-05/0.2213, allocations: 12 kB / 0.7974 GB, free: 1.605 MB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.042e-05/0.2213, allocations: 36.53 kB / 0.7975 GB, free: 1.57 MB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006167/0.222, allocations: 357.8 kB / 0.7978 GB, free: 1.223 MB / 0.6075 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002213/0.2242, allocations: 2.065 MB / 0.7998 GB, free: 14.97 MB / 0.6231 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007383/0.2249, allocations: 355.5 kB / 0.8002 GB, free: 14.61 MB / 0.6231 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003779/0.2253, allocations: 193.6 kB / 0.8004 GB, free: 14.41 MB / 0.6231 GB Notification: Performance of preOpt evalFunc (simulation): time 9.824e-05/0.2254, allocations: 89.09 kB / 0.8004 GB, free: 14.3 MB / 0.6231 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.457e-05/0.2255, allocations: 38.56 kB / 0.8005 GB, free: 14.26 MB / 0.6231 GB Notification: Performance of pre-optimization done (n=22): time 2.815e-06/0.2255, allocations: 0 / 0.8005 GB, free: 14.26 MB / 0.6231 GB Notification: Performance of matching and sorting (n=34): time 0.004997/0.2305, allocations: 1.758 MB / 0.8022 GB, free: 12.46 MB / 0.6231 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.911e-05/0.2306, allocations: 89.03 kB / 0.8023 GB, free: 12.36 MB / 0.6231 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002209/0.2308, allocations: 233 kB / 0.8025 GB, free: 12.12 MB / 0.6231 GB Notification: Performance of collectPreVariables (initialization): time 3.148e-05/0.2308, allocations: 33.7 kB / 0.8025 GB, free: 12.08 MB / 0.6231 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001178/0.231, allocations: 184 kB / 0.8027 GB, free: 11.89 MB / 0.6231 GB Notification: Performance of collectInitialBindings (initialization): time 8.777e-05/0.231, allocations: 118.3 kB / 0.8028 GB, free: 11.78 MB / 0.6231 GB Notification: Performance of simplifyInitialFunctions (initialization): time 5.92e-05/0.2311, allocations: 37.7 kB / 0.8029 GB, free: 11.73 MB / 0.6231 GB Notification: Performance of setup shared object (initialization): time 0.0001374/0.2313, allocations: 334.8 kB / 0.8032 GB, free: 11.4 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003863/0.2316, allocations: 204.7 kB / 0.8034 GB, free: 11.2 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004391/0.2321, allocations: 319.4 kB / 0.8037 GB, free: 10.85 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008378/0.2329, allocations: 0.5247 MB / 0.8042 GB, free: 10.28 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.046e-06/0.233, allocations: 4 kB / 0.8042 GB, free: 10.28 MB / 0.6231 GB Notification: Performance of matching and sorting (n=49) (initialization): time 0.001218/0.2342, allocations: 0.6796 MB / 0.8049 GB, free: 9.578 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001086/0.2343, allocations: 176.4 kB / 0.805 GB, free: 9.359 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.468e-06/0.2343, allocations: 7.984 kB / 0.805 GB, free: 9.352 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004657/0.2348, allocations: 151.3 kB / 0.8052 GB, free: 9.191 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00039/0.2352, allocations: 99.88 kB / 0.8053 GB, free: 9.094 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00266/0.2379, allocations: 3.95 MB / 0.8091 GB, free: 4.828 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003057/0.2382, allocations: 39.98 kB / 0.8092 GB, free: 4.789 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.985e-05/0.2382, allocations: 16 kB / 0.8092 GB, free: 4.773 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 5.47e-06/0.2382, allocations: 4 kB / 0.8092 GB, free: 4.77 MB / 0.6231 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.001162/0.2394, allocations: 0.6277 MB / 0.8098 GB, free: 4.129 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.427e-06/0.2394, allocations: 0 / 0.8098 GB, free: 4.129 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003566/0.2398, allocations: 143.5 kB / 0.8099 GB, free: 3.977 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000369/0.2402, allocations: 95.88 kB / 0.81 GB, free: 3.883 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005845/0.2407, allocations: 1.109 MB / 0.8111 GB, free: 2.723 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002785/0.241, allocations: 43.89 kB / 0.8112 GB, free: 2.68 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.048e-05/0.2411, allocations: 23.94 kB / 0.8112 GB, free: 2.656 MB / 0.6231 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 14 * 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 (45): * Single equations (assignments): 41 * 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): 2 systems {(1,1,100.0%), (1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(1,1), (1,1)} Notification: Performance of prepare postOptimizeDAE: time 0.0001924/0.2413, allocations: 249.7 kB / 0.8114 GB, free: 2.402 MB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 7.048e-05/0.2413, allocations: 23.72 kB / 0.8114 GB, free: 2.379 MB / 0.6231 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001226/0.2426, allocations: 0.6326 MB / 0.8121 GB, free: 1.73 MB / 0.6231 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.192e-06/0.2426, allocations: 11.94 kB / 0.8121 GB, free: 1.719 MB / 0.6231 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.706e-06/0.2426, allocations: 4 kB / 0.8121 GB, free: 1.715 MB / 0.6231 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.693e-06/0.2426, allocations: 3.984 kB / 0.8121 GB, free: 1.711 MB / 0.6231 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002156/0.2448, allocations: 1.341 MB / 0.8134 GB, free: 264 kB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.079e-06/0.2448, allocations: 4 kB / 0.8134 GB, free: 260 kB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002522/0.2451, allocations: 72.08 kB / 0.8135 GB, free: 188 kB / 0.6231 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004251/0.2455, allocations: 159.2 kB / 0.8136 GB, free: 16 kB / 0.6231 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.363e-05/0.2455, allocations: 8 kB / 0.8136 GB, free: 8 kB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00281/0.2483, allocations: 3.965 MB / 0.8175 GB, free: 11.72 MB / 0.6387 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.53e-06/0.2484, allocations: 7.984 kB / 0.8175 GB, free: 11.71 MB / 0.6387 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001229/0.2496, allocations: 0.7926 MB / 0.8183 GB, free: 10.87 MB / 0.6387 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000174/0.2498, allocations: 140.7 kB / 0.8184 GB, free: 10.71 MB / 0.6387 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.98e-05/0.2498, allocations: 11.98 kB / 0.8184 GB, free: 10.7 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002992/0.2501, allocations: 39.97 kB / 0.8185 GB, free: 10.66 MB / 0.6387 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.303e-05/0.2502, allocations: 31.91 kB / 0.8185 GB, free: 10.63 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.374e-05/0.2503, allocations: 11.98 kB / 0.8185 GB, free: 10.62 MB / 0.6387 GB Notification: Performance of sorting global known variables: time 0.0001653/0.2504, allocations: 172.5 kB / 0.8187 GB, free: 10.45 MB / 0.6387 GB Notification: Performance of sort global known variables: time 2.81e-07/0.2504, allocations: 4 kB / 0.8187 GB, free: 10.45 MB / 0.6387 GB Notification: Performance of remove unused functions: time 0.0007501/0.2512, allocations: 159.9 kB / 0.8188 GB, free: 10.29 MB / 0.6387 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 10 * 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 (31): * Single equations (assignments): 27 * 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): 2 systems {(1,1,100.0%), (1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(1,2), (1,2)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001501/0.2527, allocations: 1.361 MB / 0.8202 GB, free: 8.859 MB / 0.6387 GB Notification: Performance of simCode: created initialization part: time 0.001973/0.2547, allocations: 1.197 MB / 0.8213 GB, free: 7.594 MB / 0.6387 GB Notification: Performance of simCode: created event and clocks part: time 4.769e-06/0.2547, allocations: 4 kB / 0.8213 GB, free: 7.59 MB / 0.6387 GB Notification: Performance of simCode: created simulation system equations: time 0.0007346/0.2555, allocations: 493.8 kB / 0.8218 GB, free: 7.082 MB / 0.6387 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006121/0.2561, allocations: 56.72 kB / 0.8218 GB, free: 7.027 MB / 0.6387 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005417/0.2615, allocations: 4.082 MB / 0.8258 GB, free: 2.703 MB / 0.6387 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000407/0.2619, allocations: 0.8084 MB / 0.8266 GB, free: 1.867 MB / 0.6387 GB Notification: Performance of simCode: alias equations: time 0.0003304/0.2623, allocations: 110.9 kB / 0.8267 GB, free: 1.758 MB / 0.6387 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001412/0.2624, allocations: 87.41 kB / 0.8268 GB, free: 1.672 MB / 0.6387 GB Notification: Performance of SimCode: time 4.71e-07/0.2624, allocations: 0 / 0.8268 GB, free: 1.672 MB / 0.6387 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02048/0.2829, allocations: 8.352 MB / 0.835 GB, free: 9.594 MB / 0.6544 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002125/0.2831, allocations: 267.8 kB / 0.8352 GB, free: 9.234 MB / 0.6544 GB Notification: Performance of buildModelFMU: Generate platform static: time 1.81/2.093, allocations: 4 kB / 0.8352 GB, free: 9.23 MB / 0.6544 GB (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Conversion.Examples.ACDCConverter.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Conversion.Examples.ACDCConverter.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Conversion.Examples.ACDCConverter.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Conversion.Examples.ACDCConverter.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_Buildings_8_Buildings_Electrical_AC_ThreePhasesBalanced_Conversion_Examples_ACDCConverter_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 Buildings_8_Buildings_Electrical_AC_ThreePhasesBalanced_Conversion_Examples_ACDCConverter.fmu > Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Conversion.Examples.ACDCConverter.pipe 2>&1)