Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Fluid.Actuators.Valves.Validation.ThreeWayValveParameterization.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/BuildSysPro 3.6.0/package.mo", uses=false) Using package BuildSysPro with version 3.5.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/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(BuildSysPro.IBPSA.Fluid.Actuators.Valves.Validation.ThreeWayValveParameterization,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.Actuators.Valves.Validation.ThreeWayValveParameterization") translateModel(BuildSysPro.IBPSA.Fluid.Actuators.Valves.Validation.ThreeWayValveParameterization,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.Actuators.Valves.Validation.ThreeWayValveParameterization") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001246/0.001246, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001324/0.001324, allocations: 192 kB / 16.53 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.338/1.338, allocations: 222.9 MB / 240.2 MB, free: 4.395 MB / 190.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/package.mo): time 0.946/0.946, allocations: 143 MB / 433.4 MB, free: 11.45 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001297/0.001297, allocations: 67.89 kB / 0.5142 GB, free: 11.64 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1805/0.1819, allocations: 82.03 MB / 0.5943 GB, free: 9.574 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.Actuators.Valves.Validation.ThreeWayValveParameterization): time 0.416/0.5979, allocations: 154.4 MB / 0.745 GB, free: 2.086 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.04007/0.638, allocations: 30.43 MB / 0.7747 GB, free: 4.531 MB / 0.5919 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00559/0.6436, allocations: 143.1 kB / 0.7749 GB, free: 4.391 MB / 0.5919 GB Notification: Performance of NFTyping.typeComponents: time 0.002876/0.6465, allocations: 1.04 MB / 0.7759 GB, free: 3.344 MB / 0.5919 GB Notification: Performance of NFTyping.typeBindings: time 0.007621/0.6541, allocations: 3.159 MB / 0.779 GB, free: 176 kB / 0.5919 GB Notification: Performance of NFTyping.typeClassSections: time 0.005176/0.6593, allocations: 2.477 MB / 0.7814 GB, free: 13.75 MB / 0.6075 GB Notification: Performance of NFFlatten.flatten: time 0.005623/0.665, allocations: 5.367 MB / 0.7866 GB, free: 8.375 MB / 0.6075 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002471/0.6674, allocations: 2.234 MB / 0.7888 GB, free: 6.09 MB / 0.6075 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005224/0.6727, allocations: 2.681 MB / 0.7914 GB, free: 3.398 MB / 0.6075 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002454/0.6752, allocations: 1.961 MB / 0.7934 GB, free: 1.43 MB / 0.6075 GB Notification: Performance of NFPackage.collectConstants: time 0.0003016/0.6755, allocations: 216 kB / 0.7936 GB, free: 1.219 MB / 0.6075 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001944/0.6774, allocations: 1.088 MB / 0.7946 GB, free: 132 kB / 0.6075 GB Notification: Performance of NFScalarize.scalarize: time 0.0004401/0.6779, allocations: 0.5525 MB / 0.7952 GB, free: 15.57 MB / 0.6231 GB Notification: Performance of NFVerifyModel.verify: time 0.001128/0.679, allocations: 1.275 MB / 0.7964 GB, free: 14.29 MB / 0.6231 GB Notification: Performance of NFConvertDAE.convert: time 0.003479/0.6825, allocations: 3.43 MB / 0.7998 GB, free: 10.85 MB / 0.6231 GB Notification: Performance of FrontEnd - DAE generated: time 5.34e-06/0.6825, allocations: 4 kB / 0.7998 GB, free: 10.85 MB / 0.6231 GB Notification: Performance of FrontEnd: time 1.563e-06/0.6825, allocations: 0 / 0.7998 GB, free: 10.85 MB / 0.6231 GB Notification: Performance of Transformations before backend: time 3.08e-05/0.6826, allocations: 0 / 0.7998 GB, free: 10.85 MB / 0.6231 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 297 * Number of variables: 297 Notification: Performance of Generate backend data structure: time 0.004753/0.6873, allocations: 2.801 MB / 0.8025 GB, free: 7.984 MB / 0.6231 GB Notification: Performance of prepare preOptimizeDAE: time 4.306e-05/0.6874, allocations: 8.625 kB / 0.8025 GB, free: 7.977 MB / 0.6231 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0004592/0.6878, allocations: 266 kB / 0.8028 GB, free: 7.715 MB / 0.6231 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001998/0.6898, allocations: 1.45 MB / 0.8042 GB, free: 6.191 MB / 0.6231 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.906e-05/0.6899, allocations: 106.3 kB / 0.8043 GB, free: 6.086 MB / 0.6231 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001837/0.6901, allocations: 140 kB / 0.8044 GB, free: 5.949 MB / 0.6231 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001876/0.692, allocations: 1.156 MB / 0.8055 GB, free: 4.766 MB / 0.6231 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.266e-05/0.692, allocations: 3.938 kB / 0.8055 GB, free: 4.762 MB / 0.6231 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001044/0.6922, allocations: 55.88 kB / 0.8056 GB, free: 4.707 MB / 0.6231 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.672e-05/0.6922, allocations: 28 kB / 0.8056 GB, free: 4.68 MB / 0.6231 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001678/0.6939, allocations: 1.013 MB / 0.8066 GB, free: 3.66 MB / 0.6231 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 0.008996/0.7029, allocations: 6.373 MB / 0.8128 GB, free: 12.83 MB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0008965/0.7038, allocations: 0.5649 MB / 0.8134 GB, free: 12.25 MB / 0.6387 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005517/0.7044, allocations: 388.7 kB / 0.8138 GB, free: 11.88 MB / 0.6387 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003726/0.7047, allocations: 0.5109 MB / 0.8143 GB, free: 11.25 MB / 0.6387 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.576e-05/0.7048, allocations: 39.12 kB / 0.8143 GB, free: 11.21 MB / 0.6387 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.001162/0.7059, allocations: 230.8 kB / 0.8145 GB, free: 10.98 MB / 0.6387 GB Notification: Performance of pre-optimization done (n=58): time 2.755e-06/0.706, allocations: 0 / 0.8145 GB, free: 10.98 MB / 0.6387 GB Notification: Performance of matching and sorting (n=58): time 0.001987/0.7079, allocations: 1.164 MB / 0.8156 GB, free: 9.812 MB / 0.6387 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.051e-05/0.708, allocations: 59.97 kB / 0.8157 GB, free: 9.738 MB / 0.6387 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002155/0.7102, allocations: 1.9 MB / 0.8176 GB, free: 7.812 MB / 0.6387 GB Notification: Performance of collectPreVariables (initialization): time 8.155e-05/0.7103, allocations: 45.7 kB / 0.8176 GB, free: 7.762 MB / 0.6387 GB Notification: Performance of collectInitialEqns (initialization): time 0.000669/0.7109, allocations: 0.9185 MB / 0.8185 GB, free: 6.832 MB / 0.6387 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001511/0.7111, allocations: 205 kB / 0.8187 GB, free: 6.629 MB / 0.6387 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003846/0.7115, allocations: 298.5 kB / 0.819 GB, free: 6.332 MB / 0.6387 GB Notification: Performance of setup shared object (initialization): time 0.0001183/0.7116, allocations: 349.9 kB / 0.8193 GB, free: 5.984 MB / 0.6387 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007671/0.7124, allocations: 453.7 kB / 0.8197 GB, free: 5.543 MB / 0.6387 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009578/0.7133, allocations: 0.6891 MB / 0.8204 GB, free: 4.773 MB / 0.6387 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001477/0.7148, allocations: 0.9812 MB / 0.8214 GB, free: 3.754 MB / 0.6387 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.581e-06/0.7149, allocations: 4 kB / 0.8214 GB, free: 3.75 MB / 0.6387 GB Notification: Performance of matching and sorting (n=144) (initialization): time 0.002335/0.7172, allocations: 1.401 MB / 0.8228 GB, free: 2.34 MB / 0.6387 GB Notification: Performance of prepare postOptimizeDAE: time 2.061e-05/0.7172, allocations: 12 kB / 0.8228 GB, free: 2.328 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.205e-06/0.7172, allocations: 0 / 0.8228 GB, free: 2.328 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.189e-05/0.7173, allocations: 8 kB / 0.8228 GB, free: 2.32 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001219/0.7185, allocations: 283.5 kB / 0.823 GB, free: 2.043 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.542e-05/0.7185, allocations: 8 kB / 0.823 GB, free: 2.035 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001319/0.7198, allocations: 80.41 kB / 0.8231 GB, free: 1.957 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001043/0.72, allocations: 59.95 kB / 0.8232 GB, free: 1.898 MB / 0.6387 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001189/0.7211, allocations: 0.7095 MB / 0.8239 GB, free: 1.184 MB / 0.6387 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00092/0.7221, allocations: 0.6573 MB / 0.8245 GB, free: 460 kB / 0.6387 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001372/0.7235, allocations: 0.9227 MB / 0.8254 GB, free: 15.48 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.247e-06/0.7235, allocations: 0 / 0.8254 GB, free: 15.48 MB / 0.6544 GB Notification: Performance of matching and sorting (n=144) (initialization_lambda0): time 0.002244/0.7257, allocations: 1.353 MB / 0.8267 GB, free: 14.12 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 1.278e-05/0.7258, allocations: 8 kB / 0.8267 GB, free: 14.11 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.051e-06/0.7258, allocations: 4 kB / 0.8268 GB, free: 14.11 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 9.468e-06/0.7258, allocations: 8 kB / 0.8268 GB, free: 14.1 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001128/0.7269, allocations: 272 kB / 0.827 GB, free: 13.84 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.218e-05/0.7269, allocations: 15.94 kB / 0.827 GB, free: 13.82 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001427/0.7284, allocations: 88.7 kB / 0.8271 GB, free: 13.73 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.146e-05/0.7285, allocations: 59.89 kB / 0.8272 GB, free: 13.68 MB / 0.6544 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 (144): * Single equations (assignments): 144 * 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 0.0002616/0.7287, allocations: 240 kB / 0.8274 GB, free: 13.43 MB / 0.6544 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002696/0.729, allocations: 205.5 kB / 0.8276 GB, free: 13.23 MB / 0.6544 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002029/0.731, allocations: 1.09 MB / 0.8287 GB, free: 12.14 MB / 0.6544 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.605e-05/0.7311, allocations: 12 kB / 0.8287 GB, free: 12.12 MB / 0.6544 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.54e-06/0.7311, allocations: 0 / 0.8287 GB, free: 12.12 MB / 0.6544 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.027e-05/0.7311, allocations: 11.92 kB / 0.8287 GB, free: 12.11 MB / 0.6544 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003333/0.7344, allocations: 2.449 MB / 0.8311 GB, free: 9.59 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.732e-06/0.7345, allocations: 7.922 kB / 0.8311 GB, free: 9.582 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006/0.7351, allocations: 136 kB / 0.8312 GB, free: 9.449 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (simulation): time 7.855e-06/0.7351, allocations: 4 kB / 0.8312 GB, free: 9.445 MB / 0.6544 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.339e-05/0.7351, allocations: 22.17 kB / 0.8312 GB, free: 9.426 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.47e-06/0.7351, allocations: 4 kB / 0.8312 GB, free: 9.422 MB / 0.6544 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.288e-06/0.7352, allocations: 7.938 kB / 0.8313 GB, free: 9.414 MB / 0.6544 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001451/0.7366, allocations: 1.07 MB / 0.8323 GB, free: 8.301 MB / 0.6544 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004975/0.7371, allocations: 362.2 kB / 0.8326 GB, free: 7.926 MB / 0.6544 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002061/0.7373, allocations: 15.98 kB / 0.8327 GB, free: 7.91 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007536/0.7381, allocations: 39.97 kB / 0.8327 GB, free: 7.871 MB / 0.6544 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000113/0.7382, allocations: 52.52 kB / 0.8327 GB, free: 7.82 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.639e-05/0.7383, allocations: 24 kB / 0.8328 GB, free: 7.797 MB / 0.6544 GB Notification: Performance of sorting global known variables: time 0.001528/0.7398, allocations: 1.256 MB / 0.834 GB, free: 6.527 MB / 0.6544 GB Notification: Performance of sort global known variables: time 1.71e-07/0.7398, allocations: 0 / 0.834 GB, free: 6.527 MB / 0.6544 GB Notification: Performance of remove unused functions: time 0.001942/0.7418, allocations: 0.8849 MB / 0.8349 GB, free: 5.641 MB / 0.6544 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * 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 (77): * Single equations (assignments): 74 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 3 * 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 0.0006108/0.7424, allocations: 367 kB / 0.8352 GB, free: 5.285 MB / 0.6544 GB Notification: Performance of simCode: created initialization part: time 0.002934/0.7453, allocations: 1.657 MB / 0.8368 GB, free: 3.633 MB / 0.6544 GB Notification: Performance of simCode: created event and clocks part: time 2.485e-06/0.7453, allocations: 3.938 kB / 0.8368 GB, free: 3.629 MB / 0.6544 GB Notification: Performance of simCode: created simulation system equations: time 0.0005865/0.7459, allocations: 411.5 kB / 0.8372 GB, free: 3.23 MB / 0.6544 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004212/0.7502, allocations: 1.093 MB / 0.8383 GB, free: 2.191 MB / 0.6544 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004081/0.7542, allocations: 3.039 MB / 0.8413 GB, free: 15.11 MB / 0.67 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008253/0.7551, allocations: 1.409 MB / 0.8426 GB, free: 13.66 MB / 0.67 GB Notification: Performance of simCode: alias equations: time 0.001686/0.7568, allocations: 404.6 kB / 0.843 GB, free: 13.27 MB / 0.67 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003841/0.7572, allocations: 167.4 kB / 0.8432 GB, free: 13.11 MB / 0.67 GB Notification: Performance of SimCode: time 4.21e-07/0.7572, allocations: 3.938 kB / 0.8432 GB, free: 13.1 MB / 0.67 GB Notification: Performance of Templates: time 0.3124/1.07, allocations: 38.55 MB / 0.8808 GB, free: 208 MB / 0.67 GB make -j1 -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Actuators.Valves.Validation.ThreeWayValveParameterization.makefile (rm -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Actuators.Valves.Validation.ThreeWayValveParameterization.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Fluid.Actuators.Valves.Validation.ThreeWayValveParameterization.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Fluid.Actuators.Valves.Validation.ThreeWayValveParameterization.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Fluid.Actuators.Valves.Validation.ThreeWayValveParameterization.sim & ./BuildSysPro_BuildSysPro.IBPSA.Fluid.Actuators.Valves.Validation.ThreeWayValveParameterization -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.Fluid.Actuators.Valves.Validation.ThreeWayValveParameterization.pipe 2>&1)