Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven.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: translateModel(Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven") translateModel(Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001426/0.001426, allocations: 105.5 kB / 16.37 MB, free: 6.262 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001178/0.001179, allocations: 192 kB / 17.3 MB, free: 5.848 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.425/1.425, allocations: 205.1 MB / 223.2 MB, free: 12.19 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.843/1.843, allocations: 292.3 MB / 0.5496 GB, free: 17.48 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 0.00265/0.00265, allocations: 63.91 kB / 0.6729 GB, free: 5.82 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2789/0.2816, allocations: 114.6 MB / 0.7848 GB, free: 3.148 MB / 0.6544 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven): time 0.7986/1.08, allocations: 312.3 MB / 1.09 GB, free: 1.297 MB / 0.8731 GB Notification: Performance of NFInst.instExpressions: time 0.03775/1.118, allocations: 30.13 MB / 1.119 GB, free: 3.074 MB / 0.9044 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003929/1.122, allocations: 79.56 kB / 1.119 GB, free: 2.996 MB / 0.9044 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/Fluid/FMI/Adaptors/Inlet.mo:38:3-40:60:writable] Warning: Connector bacPro_internal is not balanced: The number of potential variables (2) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/Fluid/FMI/Adaptors/Inlet.mo:43:3-44:70:writable] Warning: Connector X_w_in_internal is not balanced: The number of potential variables (1) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/Fluid/FMI/Adaptors/Inlet.mo:45:3-46:71:writable] Warning: Connector X_w_out_internal is not balanced: The number of potential variables (1) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/Fluid/FMI/Adaptors/Outlet.mo:39:3-41:60:writable] Warning: Connector bacPro_internal is not balanced: The number of potential variables (2) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/Fluid/FMI/Adaptors/Outlet.mo:45:3-46:70:writable] Warning: Connector X_w_in_internal is not balanced: The number of potential variables (1) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/Fluid/FMI/Adaptors/Outlet.mo:47:3-48:71:writable] Warning: Connector X_w_out_internal is not balanced: The number of potential variables (1) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/Fluid/FMI/Adaptors/Inlet.mo:38:3-40:60:writable] Warning: Connector bacPro_internal is not balanced: The number of potential variables (2) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/Fluid/FMI/Adaptors/Inlet.mo:43:3-44:70:writable] Warning: Connector X_w_in_internal is not balanced: The number of potential variables (1) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/Fluid/FMI/Adaptors/Inlet.mo:45:3-46:71:writable] Warning: Connector X_w_out_internal is not balanced: The number of potential variables (1) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/Fluid/FMI/Adaptors/Outlet.mo:39:3-41:60:writable] Warning: Connector bacPro_internal is not balanced: The number of potential variables (2) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/Fluid/FMI/Adaptors/Outlet.mo:45:3-46:70:writable] Warning: Connector X_w_in_internal is not balanced: The number of potential variables (1) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/Fluid/FMI/Adaptors/Outlet.mo:47:3-48:71:writable] Warning: Connector X_w_out_internal is not balanced: The number of potential variables (1) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/Fluid/FMI/Source_T.mo:50:3-51:70:writable] Warning: Connector X_w_in_internal is not balanced: The number of potential variables (1) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/Fluid/FMI/Sink_T.mo:49:3-51:60:writable] Warning: Connector bacPro_internal is not balanced: The number of potential variables (2) is not equal to the number of flow variables (0). Notification: Performance of NFTyping.typeComponents: time 0.004665/1.127, allocations: 1.591 MB / 1.121 GB, free: 1.398 MB / 0.9044 GB Notification: Performance of NFTyping.typeBindings: time 0.008248/1.135, allocations: 3.001 MB / 1.124 GB, free: 14.39 MB / 0.92 GB Notification: Performance of NFTyping.typeClassSections: time 0.006942/1.142, allocations: 2.62 MB / 1.126 GB, free: 11.78 MB / 0.92 GB Notification: Performance of NFFlatten.flatten: time 0.007969/1.15, allocations: 4.613 MB / 1.131 GB, free: 7.152 MB / 0.92 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003334/1.153, allocations: 2.043 MB / 1.133 GB, free: 5.09 MB / 0.92 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005254/1.159, allocations: 2.39 MB / 1.135 GB, free: 2.691 MB / 0.92 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002966/1.162, allocations: 1.464 MB / 1.137 GB, free: 1.234 MB / 0.92 GB Notification: Performance of NFPackage.collectConstants: time 0.0003681/1.162, allocations: 244 kB / 1.137 GB, free: 0.9961 MB / 0.92 GB Notification: Performance of NFFlatten.collectFunctions: time 0.7261/1.888, allocations: 3.418 MB / 1.14 GB, free: 34.2 MB / 0.92 GB Notification: Performance of NFScalarize.scalarize: time 0.001252/1.889, allocations: 0.6841 MB / 1.141 GB, free: 34.2 MB / 0.92 GB Notification: Performance of NFVerifyModel.verify: time 0.001993/1.891, allocations: 1.196 MB / 1.142 GB, free: 34.2 MB / 0.92 GB Notification: Performance of NFConvertDAE.convert: time 0.01006/1.901, allocations: 4.738 MB / 1.147 GB, free: 34.11 MB / 0.92 GB Notification: Performance of FrontEnd - DAE generated: time 9.127e-06/1.902, allocations: 2.234 kB / 1.147 GB, free: 34.11 MB / 0.92 GB Notification: Performance of FrontEnd: time 4.077e-06/1.902, allocations: 0.6875 kB / 1.147 GB, free: 34.11 MB / 0.92 GB Notification: Performance of Transformations before backend: time 8.332e-05/1.902, allocations: 0.5312 kB / 1.147 GB, free: 34.11 MB / 0.92 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 332 * Number of variables: 332 Notification: Performance of Generate backend data structure: time 0.005964/1.908, allocations: 2.503 MB / 1.149 GB, free: 32.99 MB / 0.92 GB Notification: Performance of prepare preOptimizeDAE: time 5.876e-05/1.908, allocations: 8.812 kB / 1.149 GB, free: 32.99 MB / 0.92 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005818/1.914, allocations: 0.8066 MB / 1.15 GB, free: 32.88 MB / 0.92 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004716/1.918, allocations: 2.047 MB / 1.152 GB, free: 32.43 MB / 0.92 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001342/1.918, allocations: 108 kB / 1.152 GB, free: 32.42 MB / 0.92 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002557/1.919, allocations: 132.7 kB / 1.152 GB, free: 32.42 MB / 0.92 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004311/1.923, allocations: 1.651 MB / 1.154 GB, free: 32.23 MB / 0.92 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.139e-05/1.923, allocations: 0.9375 kB / 1.154 GB, free: 32.23 MB / 0.92 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001453/1.923, allocations: 55 kB / 1.154 GB, free: 32.23 MB / 0.92 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.723e-05/1.923, allocations: 47.11 kB / 1.154 GB, free: 32.23 MB / 0.92 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00407/1.927, allocations: 1.434 MB / 1.155 GB, free: 32.21 MB / 0.92 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 0.0119/1.939, allocations: 7.643 MB / 1.163 GB, free: 28.49 MB / 0.92 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00387/1.943, allocations: 1.054 MB / 1.164 GB, free: 28.28 MB / 0.92 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001306/1.944, allocations: 399.8 kB / 1.164 GB, free: 28.27 MB / 0.92 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002841/1.945, allocations: 195.1 kB / 1.164 GB, free: 28.08 MB / 0.92 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.587e-05/1.945, allocations: 41.19 kB / 1.164 GB, free: 28.04 MB / 0.92 GB Notification: Performance of pre-optimization done (n=36): time 3.737e-06/1.945, allocations: 0.625 kB / 1.164 GB, free: 28.04 MB / 0.92 GB Notification: Performance of matching and sorting (n=36): time 0.004535/1.949, allocations: 1.191 MB / 1.165 GB, free: 27.92 MB / 0.92 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.393e-05/1.949, allocations: 56.75 kB / 1.165 GB, free: 27.86 MB / 0.92 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002719/1.952, allocations: 1.606 MB / 1.167 GB, free: 27.69 MB / 0.92 GB Notification: Performance of collectPreVariables (initialization): time 0.0001094/1.952, allocations: 36.3 kB / 1.167 GB, free: 27.66 MB / 0.92 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006489/1.953, allocations: 0.826 MB / 1.168 GB, free: 27.39 MB / 0.92 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001251/1.953, allocations: 127.3 kB / 1.168 GB, free: 27.32 MB / 0.92 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002955/1.953, allocations: 146.2 kB / 1.168 GB, free: 27.29 MB / 0.92 GB Notification: Performance of setup shared object (initialization): time 6.761e-05/1.953, allocations: 331 kB / 1.168 GB, free: 26.99 MB / 0.92 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00123/1.955, allocations: 392.6 kB / 1.169 GB, free: 26.98 MB / 0.92 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001375/1.956, allocations: 0.63 MB / 1.169 GB, free: 26.69 MB / 0.92 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002526/1.959, allocations: 0.9305 MB / 1.17 GB, free: 26.46 MB / 0.92 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.588e-06/1.959, allocations: 3.234 kB / 1.17 GB, free: 26.46 MB / 0.92 GB Notification: Performance of matching and sorting (n=72) (initialization): time 0.003699/1.962, allocations: 1.132 MB / 1.171 GB, free: 26.34 MB / 0.92 GB Notification: Performance of prepare postOptimizeDAE: time 3.061e-05/1.962, allocations: 8.125 kB / 1.171 GB, free: 26.34 MB / 0.92 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.74e-05/1.962, allocations: 5.875 kB / 1.171 GB, free: 26.34 MB / 0.92 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.314e-05/1.962, allocations: 11.66 kB / 1.171 GB, free: 26.34 MB / 0.92 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00129/1.964, allocations: 219.8 kB / 1.172 GB, free: 26.34 MB / 0.92 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0003472/1.964, allocations: 0.6055 MB / 1.172 GB, free: 25.75 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001843/1.966, allocations: 168.6 kB / 1.172 GB, free: 25.69 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001149/1.966, allocations: 36.75 kB / 1.172 GB, free: 25.69 MB / 0.92 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002111/1.968, allocations: 0.7411 MB / 1.173 GB, free: 25.61 MB / 0.92 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00122/1.969, allocations: 0.5927 MB / 1.174 GB, free: 25.31 MB / 0.92 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002161/1.972, allocations: 0.8622 MB / 1.175 GB, free: 25.09 MB / 0.92 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.462e-06/1.972, allocations: 1.75 kB / 1.175 GB, free: 25.09 MB / 0.92 GB Notification: Performance of matching and sorting (n=72) (initialization_lambda0): time 0.003117/1.975, allocations: 1.053 MB / 1.176 GB, free: 24.96 MB / 0.92 GB Notification: Performance of prepare postOptimizeDAE: time 2.34e-05/1.975, allocations: 7.312 kB / 1.176 GB, free: 24.96 MB / 0.92 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.18e-05/1.975, allocations: 6.781 kB / 1.176 GB, free: 24.96 MB / 0.92 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.873e-05/1.975, allocations: 10.5 kB / 1.176 GB, free: 24.96 MB / 0.92 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001001/1.976, allocations: 198.3 kB / 1.176 GB, free: 24.95 MB / 0.92 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.724e-05/1.976, allocations: 13.47 kB / 1.176 GB, free: 24.95 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001642/1.977, allocations: 107.2 kB / 1.176 GB, free: 24.93 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.505e-05/1.978, allocations: 32.25 kB / 1.176 GB, free: 24.93 MB / 0.92 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 28 * 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 (71): * Single equations (assignments): 69 * Array equations: 1 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0003249/1.978, allocations: 223.2 kB / 1.176 GB, free: 24.75 MB / 0.92 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003259/1.978, allocations: 165.3 kB / 1.176 GB, free: 24.66 MB / 0.92 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003374/1.982, allocations: 0.8981 MB / 1.177 GB, free: 24.57 MB / 0.92 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.746e-06/1.982, allocations: 5.906 kB / 1.177 GB, free: 24.57 MB / 0.92 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.296e-06/1.982, allocations: 6.5 kB / 1.177 GB, free: 24.57 MB / 0.92 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0007261/1.982, allocations: 325.8 kB / 1.178 GB, free: 24.38 MB / 0.92 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002081/1.983, allocations: 9.938 kB / 1.178 GB, free: 24.38 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001075/1.984, allocations: 78.77 kB / 1.178 GB, free: 24.38 MB / 0.92 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.867e-05/1.984, allocations: 25.77 kB / 1.178 GB, free: 24.38 MB / 0.92 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.003032/1.987, allocations: 0.8782 MB / 1.179 GB, free: 24.23 MB / 0.92 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.004035/1.991, allocations: 1.433 MB / 1.18 GB, free: 23.89 MB / 0.92 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.001333/1.992, allocations: 354.2 kB / 1.18 GB, free: 23.87 MB / 0.92 GB Notification: Performance of sorting global known variables: time 0.002556/1.995, allocations: 1.115 MB / 1.181 GB, free: 23.76 MB / 0.92 GB Notification: Performance of Backend: time 4.81e-07/1.995, allocations: 0.8438 kB / 1.181 GB, free: 23.76 MB / 0.92 GB Notification: Performance of simCode: created initialization part: time 0.007709/2.003, allocations: 1.707 MB / 1.183 GB, free: 23.53 MB / 0.92 GB Notification: Performance of SimCode: time 0.0079/2.01, allocations: 3.762 MB / 1.187 GB, free: 21.99 MB / 0.92 GB Notification: Performance of Templates: time 0.07274/2.083, allocations: 43.47 MB / 1.229 GB, free: 8.039 MB / 0.92 GB make -j1 -f Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven.makefile (rm -f Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven.pipe ; mkfifo Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven.pipe >> ../files/Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven.sim & ./Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven.pipe 2>&1)