Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Examples.ParallelLoads.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.Loads.Examples.ParallelLoads,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesBalanced_Loads_Examples_ParallelLoads",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Examples.ParallelLoads,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesBalanced_Loads_Examples_ParallelLoads",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 0.001269/0.001269, allocations: 105.4 kB / 15.7 MB, free: 24 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001521/0.001521, allocations: 195.2 kB / 16.64 MB, free: 6.453 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.638/1.638, allocations: 205.1 MB / 222.5 MB, free: 4.57 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 1.729/1.729, allocations: 292.3 MB / 0.549 GB, free: 12.73 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 0.001721/0.001721, allocations: 72.09 kB / 0.6718 GB, free: 26.14 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2342/0.2359, allocations: 114.5 MB / 0.7836 GB, free: 13.24 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Examples.ParallelLoads): time 0.00598/0.2419, allocations: 4.34 MB / 0.7879 GB, free: 8.871 MB / 0.6075 GB Notification: Performance of NFInst.instExpressions: time 0.004257/0.2462, allocations: 2.697 MB / 0.7905 GB, free: 6.16 MB / 0.6075 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0003775/0.2466, allocations: 11.94 kB / 0.7905 GB, free: 6.148 MB / 0.6075 GB Notification: Performance of NFTyping.typeComponents: time 0.001116/0.2478, allocations: 381.5 kB / 0.7909 GB, free: 5.777 MB / 0.6075 GB Notification: Performance of NFTyping.typeBindings: time 0.0008395/0.2487, allocations: 398.1 kB / 0.7913 GB, free: 5.387 MB / 0.6075 GB Notification: Performance of NFTyping.typeClassSections: time 0.001307/0.25, allocations: 0.5107 MB / 0.7918 GB, free: 4.875 MB / 0.6075 GB Notification: Performance of NFFlatten.flatten: time 0.0008371/0.2508, allocations: 0.7202 MB / 0.7925 GB, free: 4.152 MB / 0.6075 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0005087/0.2513, allocations: 371.7 kB / 0.7928 GB, free: 3.785 MB / 0.6075 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00031/0.2517, allocations: 271 kB / 0.7931 GB, free: 3.52 MB / 0.6075 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0004824/0.2521, allocations: 354.7 kB / 0.7934 GB, free: 3.172 MB / 0.6075 GB Notification: Performance of NFPackage.collectConstants: time 6.069e-05/0.2522, allocations: 40 kB / 0.7935 GB, free: 3.133 MB / 0.6075 GB Notification: Performance of NFFlatten.collectFunctions: time 0.000488/0.2527, allocations: 315.3 kB / 0.7938 GB, free: 2.824 MB / 0.6075 GB Notification: Performance of NFScalarize.scalarize: time 0.0001617/0.2529, allocations: 195.5 kB / 0.7939 GB, free: 2.633 MB / 0.6075 GB Notification: Performance of NFVerifyModel.verify: time 0.0002112/0.2531, allocations: 266.6 kB / 0.7942 GB, free: 2.371 MB / 0.6075 GB Notification: Performance of NFConvertDAE.convert: time 0.000675/0.2538, allocations: 0.7359 MB / 0.7949 GB, free: 1.633 MB / 0.6075 GB Notification: Performance of FrontEnd - DAE generated: time 4.078e-06/0.2538, allocations: 0 / 0.7949 GB, free: 1.633 MB / 0.6075 GB Notification: Performance of FrontEnd: time 1.272e-06/0.2538, allocations: 0 / 0.7949 GB, free: 1.633 MB / 0.6075 GB Notification: Performance of Transformations before backend: time 1.051e-05/0.2538, allocations: 0 / 0.7949 GB, free: 1.633 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: 123 * Number of variables: 123 Notification: Performance of Generate backend data structure: time 0.00133/0.2552, allocations: 0.8417 MB / 0.7957 GB, free: 0.7383 MB / 0.6075 GB Notification: Performance of prepare preOptimizeDAE: time 3.937e-05/0.2552, allocations: 12.03 kB / 0.7958 GB, free: 0.7266 MB / 0.6075 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 8.894e-05/0.2553, allocations: 86.7 kB / 0.7958 GB, free: 0.6328 MB / 0.6075 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0008354/0.2562, allocations: 152.1 kB / 0.796 GB, free: 496 kB / 0.6075 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004325/0.2566, allocations: 386.9 kB / 0.7963 GB, free: 68 kB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.899e-05/0.2566, allocations: 33.36 kB / 0.7964 GB, free: 36 kB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.032e-05/0.2567, allocations: 40.42 kB / 0.7964 GB, free: 15.99 MB / 0.6231 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001132/0.2579, allocations: 0.8283 MB / 0.7972 GB, free: 15.08 MB / 0.6231 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.935e-05/0.2579, allocations: 11.94 kB / 0.7972 GB, free: 15.07 MB / 0.6231 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.861e-05/0.2579, allocations: 19.98 kB / 0.7973 GB, free: 15.05 MB / 0.6231 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.997e-05/0.258, allocations: 64.95 kB / 0.7973 GB, free: 14.98 MB / 0.6231 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00117/0.2592, allocations: 0.6711 MB / 0.798 GB, free: 14.31 MB / 0.6231 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003542/0.2628, allocations: 4.476 MB / 0.8023 GB, free: 9.488 MB / 0.6231 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001144/0.2639, allocations: 0.6065 MB / 0.8029 GB, free: 8.863 MB / 0.6231 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005062/0.2644, allocations: 301.4 kB / 0.8032 GB, free: 8.562 MB / 0.6231 GB Notification: Performance of preOpt evalFunc (simulation): time 3.551e-05/0.2645, allocations: 15.92 kB / 0.8032 GB, free: 8.547 MB / 0.6231 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.693e-05/0.2645, allocations: 38.56 kB / 0.8033 GB, free: 8.5 MB / 0.6231 GB Notification: Performance of pre-optimization done (n=38): time 2.044e-06/0.2645, allocations: 0 / 0.8033 GB, free: 8.5 MB / 0.6231 GB Notification: Performance of matching and sorting (n=39): time 0.002096/0.2666, allocations: 0.9462 MB / 0.8042 GB, free: 7.547 MB / 0.6231 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.876e-05/0.2667, allocations: 81.11 kB / 0.8043 GB, free: 7.449 MB / 0.6231 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003209/0.267, allocations: 353.5 kB / 0.8046 GB, free: 7.098 MB / 0.6231 GB Notification: Performance of collectPreVariables (initialization): time 3.922e-05/0.2671, allocations: 33.7 kB / 0.8046 GB, free: 7.059 MB / 0.6231 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001586/0.2672, allocations: 283.8 kB / 0.8049 GB, free: 6.773 MB / 0.6231 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001009/0.2673, allocations: 146 kB / 0.8051 GB, free: 6.629 MB / 0.6231 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001616/0.2675, allocations: 106.1 kB / 0.8052 GB, free: 6.52 MB / 0.6231 GB Notification: Performance of setup shared object (initialization): time 0.0001298/0.2677, allocations: 354.7 kB / 0.8055 GB, free: 6.164 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005078/0.2682, allocations: 274.9 kB / 0.8058 GB, free: 5.891 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006117/0.2688, allocations: 480 kB / 0.8062 GB, free: 5.328 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001149/0.2699, allocations: 0.778 MB / 0.807 GB, free: 4.457 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.875e-06/0.27, allocations: 0 / 0.807 GB, free: 4.457 MB / 0.6231 GB Notification: Performance of matching and sorting (n=68) (initialization): time 0.001396/0.2714, allocations: 0.7928 MB / 0.8078 GB, free: 3.656 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 2.08e-05/0.2714, allocations: 8 kB / 0.8078 GB, free: 3.648 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.285e-05/0.2714, allocations: 8 kB / 0.8078 GB, free: 3.641 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.008e-05/0.2714, allocations: 12.75 kB / 0.8078 GB, free: 3.629 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007086/0.2721, allocations: 179.7 kB / 0.808 GB, free: 3.453 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.808e-05/0.2722, allocations: 11.94 kB / 0.808 GB, free: 3.441 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004567/0.2726, allocations: 71.7 kB / 0.808 GB, free: 3.371 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.701e-05/0.2727, allocations: 28 kB / 0.8081 GB, free: 3.344 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0006227/0.2733, allocations: 361 kB / 0.8084 GB, free: 2.984 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0006278/0.274, allocations: 443.7 kB / 0.8088 GB, free: 2.449 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001059/0.275, allocations: 0.6827 MB / 0.8095 GB, free: 1.668 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.34e-06/0.2751, allocations: 4 kB / 0.8095 GB, free: 1.664 MB / 0.6231 GB Notification: Performance of matching and sorting (n=68) (initialization_lambda0): time 0.001234/0.2763, allocations: 0.6823 MB / 0.8102 GB, free: 0.9766 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 1.969e-05/0.2763, allocations: 12 kB / 0.8102 GB, free: 0.9648 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.702e-06/0.2763, allocations: 4 kB / 0.8102 GB, free: 0.9609 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.267e-05/0.2764, allocations: 12 kB / 0.8102 GB, free: 0.9492 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005783/0.2769, allocations: 155.8 kB / 0.8103 GB, free: 0.7969 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.56e-05/0.277, allocations: 20 kB / 0.8104 GB, free: 0.7773 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004022/0.2774, allocations: 64.02 kB / 0.8104 GB, free: 0.7148 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.015e-05/0.2774, allocations: 27.98 kB / 0.8104 GB, free: 0.6875 MB / 0.6231 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 30 * 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 (68): * Single equations (assignments): 68 * 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 0.0002458/0.2777, allocations: 220 kB / 0.8107 GB, free: 476 kB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 9.991e-05/0.2778, allocations: 43.47 kB / 0.8107 GB, free: 432 kB / 0.6231 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001317/0.2791, allocations: 0.6421 MB / 0.8113 GB, free: 15.77 MB / 0.6387 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.095e-06/0.2791, allocations: 4 kB / 0.8113 GB, free: 15.77 MB / 0.6387 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.319e-05/0.2791, allocations: 7.984 kB / 0.8113 GB, free: 15.76 MB / 0.6387 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.674e-06/0.2792, allocations: 0 / 0.8113 GB, free: 15.76 MB / 0.6387 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00222/0.2814, allocations: 1.451 MB / 0.8127 GB, free: 14.23 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.15e-06/0.2814, allocations: 4 kB / 0.8128 GB, free: 14.23 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007022/0.2821, allocations: 144 kB / 0.8129 GB, free: 14.09 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (simulation): time 7.504e-06/0.2821, allocations: 4 kB / 0.8129 GB, free: 14.09 MB / 0.6387 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.356e-05/0.2822, allocations: 15.94 kB / 0.8129 GB, free: 14.07 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 8.786e-06/0.2822, allocations: 11.92 kB / 0.8129 GB, free: 14.06 MB / 0.6387 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.256e-06/0.2822, allocations: 0 / 0.8129 GB, free: 14.06 MB / 0.6387 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001153/0.2833, allocations: 0.7961 MB / 0.8137 GB, free: 13.23 MB / 0.6387 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002084/0.2836, allocations: 180.3 kB / 0.8139 GB, free: 13.03 MB / 0.6387 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.394e-05/0.2836, allocations: 11.94 kB / 0.8139 GB, free: 13.02 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003971/0.284, allocations: 47.92 kB / 0.8139 GB, free: 12.97 MB / 0.6387 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.788e-05/0.2841, allocations: 31.97 kB / 0.814 GB, free: 12.94 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.303e-05/0.2842, allocations: 15.98 kB / 0.814 GB, free: 12.93 MB / 0.6387 GB Notification: Performance of sorting global known variables: time 0.0002572/0.2845, allocations: 251.2 kB / 0.8142 GB, free: 12.68 MB / 0.6387 GB Notification: Performance of sort global known variables: time 1.9e-07/0.2845, allocations: 4 kB / 0.8142 GB, free: 12.68 MB / 0.6387 GB Notification: Performance of remove unused functions: time 0.0009231/0.2854, allocations: 196 kB / 0.8144 GB, free: 12.49 MB / 0.6387 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * 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 (42): * Single equations (assignments): 42 * 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 0.001397/0.2868, allocations: 1.353 MB / 0.8157 GB, free: 11.09 MB / 0.6387 GB Notification: Performance of simCode: created initialization part: time 0.00197/0.2888, allocations: 0.9824 MB / 0.8167 GB, free: 10.11 MB / 0.6387 GB Notification: Performance of simCode: created event and clocks part: time 5.32e-06/0.2888, allocations: 0 / 0.8167 GB, free: 10.11 MB / 0.6387 GB Notification: Performance of simCode: created simulation system equations: time 0.0005737/0.2894, allocations: 299.7 kB / 0.817 GB, free: 9.812 MB / 0.6387 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0008845/0.2903, allocations: 133.8 kB / 0.8171 GB, free: 9.695 MB / 0.6387 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00651/0.2968, allocations: 4.813 MB / 0.8218 GB, free: 4.586 MB / 0.6387 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004064/0.2972, allocations: 0.8794 MB / 0.8227 GB, free: 3.68 MB / 0.6387 GB Notification: Performance of simCode: alias equations: time 0.0005601/0.2978, allocations: 204.1 kB / 0.8229 GB, free: 3.477 MB / 0.6387 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002746/0.2981, allocations: 159.4 kB / 0.823 GB, free: 3.32 MB / 0.6387 GB Notification: Performance of SimCode: time 8.31e-07/0.2981, allocations: 0 / 0.823 GB, free: 3.32 MB / 0.6387 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.03182/0.3299, allocations: 10.52 MB / 0.8333 GB, free: 9.02 MB / 0.6544 GB Notification: Performance of buildModelFMU: Generate platform static: time 8.4/8.73, allocations: 21.05 kB / 0.8333 GB, free: 9.004 MB / 0.6544 GB (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Examples.ParallelLoads.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Examples.ParallelLoads.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Examples.ParallelLoads.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Examples.ParallelLoads.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_Buildings_8_Buildings_Electrical_AC_ThreePhasesBalanced_Loads_Examples_ParallelLoads_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 Buildings_8_Buildings_Electrical_AC_ThreePhasesBalanced_Loads_Examples_ParallelLoads.fmu > Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Examples.ParallelLoads.pipe 2>&1)