Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.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/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/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(IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity") translateModel(IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001098/0.001098, allocations: 101.2 kB / 16.27 MB, free: 5.969 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001097/0.001097, allocations: 192 kB / 17.2 MB, free: 5.598 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.375/1.375, allocations: 222.9 MB / 240.9 MB, free: 15.2 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7967/0.7967, allocations: 122.9 MB / 413.9 MB, free: 15.89 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001393/0.001393, allocations: 63.91 kB / 0.4911 GB, free: 7.422 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4366/0.438, allocations: 77.92 MB / 0.5672 GB, free: 32.66 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity): time 0.02749/0.4655, allocations: 31.5 MB / 0.5979 GB, free: 9.109 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.009623/0.4752, allocations: 5.337 MB / 0.6032 GB, free: 4.801 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001812/0.4771, allocations: 35.59 kB / 0.6032 GB, free: 4.789 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001084/0.4782, allocations: 385.1 kB / 0.6036 GB, free: 4.465 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.004151/0.4824, allocations: 1.441 MB / 0.605 GB, free: 3.328 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.002373/0.4848, allocations: 0.8428 MB / 0.6058 GB, free: 2.688 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.002696/0.4875, allocations: 2.139 MB / 0.6079 GB, free: 1.078 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0006683/0.4882, allocations: 0.6118 MB / 0.6085 GB, free: 468 kB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001869/0.49, allocations: 0.8001 MB / 0.6093 GB, free: 15.66 MB / 462.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0007148/0.4908, allocations: 0.5405 MB / 0.6098 GB, free: 15.11 MB / 462.1 MB Notification: Performance of NFPackage.collectConstants: time 9.756e-05/0.4909, allocations: 56 kB / 0.6098 GB, free: 15.06 MB / 462.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002877/0.4938, allocations: 1.224 MB / 0.611 GB, free: 13.83 MB / 462.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0002159/0.494, allocations: 175.4 kB / 0.6112 GB, free: 13.66 MB / 462.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0004264/0.4944, allocations: 386.2 kB / 0.6116 GB, free: 13.28 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.002551/0.497, allocations: 1.504 MB / 0.613 GB, free: 11.77 MB / 462.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.03e-06/0.497, allocations: 0 / 0.613 GB, free: 11.77 MB / 462.1 MB Notification: Performance of FrontEnd: time 3.647e-06/0.497, allocations: 0 / 0.613 GB, free: 11.77 MB / 462.1 MB Notification: Performance of Transformations before backend: time 1.055e-05/0.497, allocations: 3.938 kB / 0.613 GB, free: 11.77 MB / 462.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 110 * Number of variables: 110 Notification: Performance of Generate backend data structure: time 0.001558/0.4986, allocations: 1.094 MB / 0.6141 GB, free: 10.62 MB / 462.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.217e-05/0.4986, allocations: 16.62 kB / 0.6141 GB, free: 10.61 MB / 462.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002388/0.501, allocations: 279.7 kB / 0.6144 GB, free: 10.33 MB / 462.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001241/0.5023, allocations: 0.6593 MB / 0.615 GB, free: 9.633 MB / 462.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.266e-05/0.5023, allocations: 40.88 kB / 0.6151 GB, free: 9.594 MB / 462.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 8.122e-05/0.5024, allocations: 48 kB / 0.6151 GB, free: 9.547 MB / 462.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0008332/0.5033, allocations: 0.5204 MB / 0.6156 GB, free: 8.988 MB / 462.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.803e-05/0.5033, allocations: 7.938 kB / 0.6156 GB, free: 8.98 MB / 462.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.745e-05/0.5034, allocations: 20 kB / 0.6157 GB, free: 8.961 MB / 462.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.388e-05/0.5034, allocations: 8 kB / 0.6157 GB, free: 8.953 MB / 462.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006719/0.5041, allocations: 359.7 kB / 0.616 GB, free: 8.602 MB / 462.1 MB 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 0.00398/0.508, allocations: 2.861 MB / 0.6188 GB, free: 5.508 MB / 462.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0006196/0.5087, allocations: 293.8 kB / 0.6191 GB, free: 5.203 MB / 462.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004099/0.5091, allocations: 154.1 kB / 0.6192 GB, free: 5.047 MB / 462.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0007347/0.5099, allocations: 0.6534 MB / 0.6199 GB, free: 4.246 MB / 462.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.954e-05/0.5099, allocations: 38.78 kB / 0.6199 GB, free: 4.199 MB / 462.1 MB Notification: Performance of pre-optimization done (n=28): time 2.665e-06/0.5099, allocations: 0 / 0.6199 GB, free: 4.199 MB / 462.1 MB Notification: Performance of matching and sorting (n=40): time 0.00945/0.5194, allocations: 2.084 MB / 0.6219 GB, free: 2.035 MB / 462.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 7.4e-05/0.5195, allocations: 81.11 kB / 0.622 GB, free: 1.938 MB / 462.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001223/0.5207, allocations: 0.5458 MB / 0.6226 GB, free: 1.383 MB / 462.1 MB Notification: Performance of collectPreVariables (initialization): time 5.274e-05/0.5208, allocations: 33.7 kB / 0.6226 GB, free: 1.344 MB / 462.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0003788/0.5212, allocations: 324.4 kB / 0.6229 GB, free: 1.02 MB / 462.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001873/0.5214, allocations: 141.9 kB / 0.623 GB, free: 0.8789 MB / 462.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002217/0.5216, allocations: 90.16 kB / 0.6231 GB, free: 0.7852 MB / 462.1 MB Notification: Performance of setup shared object (initialization): time 0.0002092/0.5218, allocations: 362.8 kB / 0.6235 GB, free: 432 kB / 462.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005416/0.5224, allocations: 179 kB / 0.6236 GB, free: 248 kB / 462.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006817/0.5231, allocations: 295.2 kB / 0.6239 GB, free: 15.91 MB / 478.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001341/0.5244, allocations: 479.2 kB / 0.6244 GB, free: 15.4 MB / 478.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.677e-06/0.5245, allocations: 0 / 0.6244 GB, free: 15.4 MB / 478.1 MB Notification: Performance of matching and sorting (n=55) (initialization): time 0.002803/0.5273, allocations: 0.7363 MB / 0.6251 GB, free: 14.65 MB / 478.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.761e-05/0.5273, allocations: 8 kB / 0.6251 GB, free: 14.64 MB / 478.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.366e-05/0.5274, allocations: 4 kB / 0.6251 GB, free: 14.64 MB / 478.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001447/0.5288, allocations: 281.4 kB / 0.6254 GB, free: 14.36 MB / 478.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004171/0.5293, allocations: 71.91 kB / 0.6254 GB, free: 14.29 MB / 478.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01088/0.5401, allocations: 4.744 MB / 0.6301 GB, free: 9.266 MB / 478.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002014/0.5422, allocations: 63.98 kB / 0.6301 GB, free: 9.203 MB / 478.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.845e-05/0.5423, allocations: 20 kB / 0.6302 GB, free: 9.184 MB / 478.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001024/0.5433, allocations: 329.8 kB / 0.6305 GB, free: 8.859 MB / 478.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0008386/0.5442, allocations: 295.3 kB / 0.6307 GB, free: 8.52 MB / 478.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001514/0.5457, allocations: 471.4 kB / 0.6312 GB, free: 8.016 MB / 478.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.847e-06/0.5458, allocations: 0 / 0.6312 GB, free: 8.016 MB / 478.1 MB Notification: Performance of matching and sorting (n=55) (initialization_lambda0): time 0.003392/0.5492, allocations: 0.7434 MB / 0.6319 GB, free: 7.258 MB / 478.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.529e-05/0.5492, allocations: 9.562 kB / 0.6319 GB, free: 7.25 MB / 478.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.334e-05/0.5492, allocations: 11.94 kB / 0.6319 GB, free: 7.238 MB / 478.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001723/0.551, allocations: 269.8 kB / 0.6322 GB, free: 6.969 MB / 478.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004803/0.5515, allocations: 71.91 kB / 0.6323 GB, free: 6.898 MB / 478.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0111/0.5626, allocations: 4.729 MB / 0.6369 GB, free: 1.895 MB / 478.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001997/0.5646, allocations: 71.92 kB / 0.637 GB, free: 1.824 MB / 478.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001103/0.5648, allocations: 20.22 kB / 0.637 GB, free: 1.805 MB / 478.1 MB 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 (39): * Single equations (assignments): 37 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(2,8), (2,6)} Notification: Performance of prepare postOptimizeDAE: time 0.0003079/0.5651, allocations: 204.1 kB / 0.6372 GB, free: 1.598 MB / 478.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003477/0.5655, allocations: 63.34 kB / 0.6372 GB, free: 1.535 MB / 478.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003274/0.5687, allocations: 0.6641 MB / 0.6379 GB, free: 0.8594 MB / 478.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.132e-05/0.5688, allocations: 4 kB / 0.6379 GB, free: 0.8555 MB / 478.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.276e-06/0.5688, allocations: 4 kB / 0.6379 GB, free: 0.8516 MB / 478.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002805/0.5716, allocations: 0.7531 MB / 0.6386 GB, free: 44 kB / 478.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005933/0.5776, allocations: 1.711 MB / 0.6403 GB, free: 14.27 MB / 494.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.203e-06/0.5776, allocations: 0 / 0.6403 GB, free: 14.27 MB / 494.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000475/0.5781, allocations: 59.94 kB / 0.6404 GB, free: 14.21 MB / 494.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.001736/0.5799, allocations: 253.5 kB / 0.6406 GB, free: 13.95 MB / 494.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.676e-05/0.5799, allocations: 11.98 kB / 0.6406 GB, free: 13.94 MB / 494.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01067/0.5906, allocations: 4.307 MB / 0.6448 GB, free: 9.355 MB / 494.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.799e-06/0.5907, allocations: 3.938 kB / 0.6448 GB, free: 9.352 MB / 494.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00402/0.5947, allocations: 0.9504 MB / 0.6457 GB, free: 8.375 MB / 494.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0005703/0.5953, allocations: 176.4 kB / 0.6459 GB, free: 8.184 MB / 494.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002499/0.5956, allocations: 12 kB / 0.6459 GB, free: 8.172 MB / 494.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001922/0.5975, allocations: 59.98 kB / 0.646 GB, free: 8.113 MB / 494.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002335/0.5978, allocations: 35.89 kB / 0.646 GB, free: 8.078 MB / 494.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.18e-05/0.5979, allocations: 15.98 kB / 0.646 GB, free: 8.062 MB / 494.1 MB Notification: Performance of sorting global known variables: time 0.001359/0.5993, allocations: 382.8 kB / 0.6464 GB, free: 7.691 MB / 494.1 MB Notification: Performance of sort global known variables: time 6.01e-07/0.5993, allocations: 0 / 0.6464 GB, free: 7.691 MB / 494.1 MB Notification: Performance of remove unused functions: time 0.003076/0.6024, allocations: 411.9 kB / 0.6468 GB, free: 7.289 MB / 494.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 2 * Number of states: 2 (vol.ports[1].h_outflow,vol1.ports[1].h_outflow) * 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 (28): * Single equations (assignments): 26 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(2,6), (2,4)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001141/0.6036, allocations: 308 kB / 0.6471 GB, free: 6.988 MB / 494.1 MB Notification: Performance of simCode: created initialization part: time 0.005834/0.6094, allocations: 1.398 MB / 0.6484 GB, free: 5.539 MB / 494.1 MB Notification: Performance of simCode: created event and clocks part: time 6.302e-06/0.6095, allocations: 4 kB / 0.6484 GB, free: 5.535 MB / 494.1 MB Notification: Performance of simCode: created simulation system equations: time 0.002253/0.6117, allocations: 0.5443 MB / 0.649 GB, free: 4.965 MB / 494.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003348/0.6151, allocations: 347.7 kB / 0.6493 GB, free: 4.648 MB / 494.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004007/0.6191, allocations: 1.238 MB / 0.6505 GB, free: 3.383 MB / 494.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009699/0.6201, allocations: 0.9303 MB / 0.6514 GB, free: 2.426 MB / 494.1 MB Notification: Performance of simCode: alias equations: time 0.001354/0.6215, allocations: 136.1 kB / 0.6516 GB, free: 2.297 MB / 494.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002807/0.6218, allocations: 55.41 kB / 0.6516 GB, free: 2.242 MB / 494.1 MB Notification: Performance of SimCode: time 1.233e-06/0.6218, allocations: 4 kB / 0.6516 GB, free: 2.238 MB / 494.1 MB Notification: Performance of Templates: time 0.05097/0.6728, allocations: 18.5 MB / 0.6697 GB, free: 15.99 MB / 0.5137 GB make -j1 -f IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.makefile (rm -f IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.sim & ./IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe 2>&1)