Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ThermoPower_ThermoPower.Test.WaterComponents.TestMixer.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/ThermoPower 3.1.0-master/package.mo", uses=false) Using package ThermoPower with version 3.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 3.1.0-master/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(ThermoPower.Test.WaterComponents.TestMixer,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ThermoPower_ThermoPower.Test.WaterComponents.TestMixer") translateModel(ThermoPower.Test.WaterComponents.TestMixer,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ThermoPower_ThermoPower.Test.WaterComponents.TestMixer") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001372/0.001372, allocations: 114.8 kB / 17.69 MB, free: 5.312 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001965/0.001965, allocations: 191 kB / 18.63 MB, free: 4.379 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.574/1.574, allocations: 205.1 MB / 224.5 MB, free: 12.26 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 3.1.0-master/package.mo): time 0.2739/0.2739, allocations: 48.85 MB / 320.7 MB, free: 11.04 MB / 270.1 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 0.001534/0.001534, allocations: 72.36 kB / 391.5 MB, free: 48.59 MB / 318.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1123/0.1139, allocations: 59.16 MB / 450.7 MB, free: 9.062 MB / 334.1 MB Notification: Performance of NFInst.instantiate(ThermoPower.Test.WaterComponents.TestMixer): time 0.06557/0.1795, allocations: 72.52 MB / 0.5109 GB, free: 304 kB / 398.1 MB Notification: Performance of NFInst.instExpressions: time 0.01278/0.1923, allocations: 10.86 MB / 0.5216 GB, free: 5.398 MB / 414.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006742/0.193, allocations: 15.88 kB / 0.5216 GB, free: 5.383 MB / 414.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001006/0.1941, allocations: 337.7 kB / 0.5219 GB, free: 5.051 MB / 414.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0008532/0.195, allocations: 437.1 kB / 0.5223 GB, free: 4.621 MB / 414.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.2227/0.4177, allocations: 5.345 MB / 0.5275 GB, free: 9.047 MB / 414.1 MB Notification: Performance of NFFlatten.flatten: time 0.001816/0.4195, allocations: 1.19 MB / 0.5287 GB, free: 9.047 MB / 414.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0006672/0.4202, allocations: 390.9 kB / 0.5291 GB, free: 9.035 MB / 414.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0007668/0.421, allocations: 433.4 kB / 0.5295 GB, free: 9.035 MB / 414.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0005856/0.4216, allocations: 441.3 kB / 0.5299 GB, free: 9.035 MB / 414.1 MB Notification: Performance of NFPackage.collectConstants: time 7.863e-05/0.4217, allocations: 44.69 kB / 0.5299 GB, free: 9.035 MB / 414.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.01357/0.4353, allocations: 6.322 MB / 0.5361 GB, free: 9.035 MB / 414.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0002438/0.4355, allocations: 121.1 kB / 0.5362 GB, free: 9.035 MB / 414.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0007742/0.4363, allocations: 338.1 kB / 0.5365 GB, free: 9.035 MB / 414.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01207/0.4484, allocations: 4.011 MB / 0.5405 GB, free: 8.977 MB / 414.1 MB Notification: Performance of FrontEnd - DAE generated: time 9.688e-06/0.4485, allocations: 4.875 kB / 0.5405 GB, free: 8.977 MB / 414.1 MB Notification: Performance of FrontEnd: time 3.276e-06/0.4485, allocations: 0 / 0.5405 GB, free: 8.977 MB / 414.1 MB Notification: Performance of Transformations before backend: time 1.214e-05/0.4485, allocations: 2.25 kB / 0.5405 GB, free: 8.977 MB / 414.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 119 * Number of variables: 119 Notification: Performance of Generate backend data structure: time 0.005262/0.4538, allocations: 1.339 MB / 0.5418 GB, free: 8.223 MB / 414.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.612e-05/0.4538, allocations: 15.2 kB / 0.5418 GB, free: 8.219 MB / 414.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0005146/0.4543, allocations: 117.5 kB / 0.5419 GB, free: 8.184 MB / 414.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0007448/0.4551, allocations: 427.2 kB / 0.5423 GB, free: 7.93 MB / 414.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.827e-05/0.4552, allocations: 40.88 kB / 0.5424 GB, free: 7.93 MB / 414.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 8.602e-05/0.4552, allocations: 47.94 kB / 0.5424 GB, free: 7.93 MB / 414.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001594/0.4568, allocations: 0.6829 MB / 0.5431 GB, free: 7.812 MB / 414.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.709e-05/0.4569, allocations: 5.562 kB / 0.5431 GB, free: 7.812 MB / 414.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.84e-05/0.4569, allocations: 22.78 kB / 0.5431 GB, free: 7.812 MB / 414.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.789e-05/0.457, allocations: 12.16 kB / 0.5431 GB, free: 7.812 MB / 414.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001438/0.4584, allocations: 0.521 MB / 0.5436 GB, free: 7.809 MB / 414.1 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 0.002521/0.4609, allocations: 2.649 MB / 0.5462 GB, free: 5.879 MB / 414.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001295/0.4622, allocations: 0.5753 MB / 0.5468 GB, free: 5.664 MB / 414.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002288/0.4625, allocations: 124.2 kB / 0.5469 GB, free: 5.656 MB / 414.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.06507/0.5276, allocations: 32.11 MB / 0.5782 GB, free: 15.32 MB / 446.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.356e-05/0.5277, allocations: 40.81 kB / 0.5783 GB, free: 15.27 MB / 446.1 MB Notification: Performance of pre-optimization done (n=28): time 3.256e-06/0.5277, allocations: 0 / 0.5783 GB, free: 15.27 MB / 446.1 MB Notification: Performance of matching and sorting (n=31): time 0.006703/0.5344, allocations: 1.857 MB / 0.5801 GB, free: 14.46 MB / 446.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001175/0.5346, allocations: 105.4 kB / 0.5802 GB, free: 14.34 MB / 446.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008183/0.5354, allocations: 464.2 kB / 0.5806 GB, free: 14.16 MB / 446.1 MB Notification: Performance of collectPreVariables (initialization): time 5.97e-05/0.5355, allocations: 32.52 kB / 0.5807 GB, free: 14.12 MB / 446.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0002286/0.5357, allocations: 268.2 kB / 0.5809 GB, free: 13.98 MB / 446.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001368/0.5358, allocations: 118.7 kB / 0.581 GB, free: 13.9 MB / 446.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000179/0.536, allocations: 85.53 kB / 0.5811 GB, free: 13.87 MB / 446.1 MB Notification: Performance of setup shared object (initialization): time 0.0001823/0.5362, allocations: 372 kB / 0.5815 GB, free: 13.53 MB / 446.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000339/0.5366, allocations: 162.9 kB / 0.5816 GB, free: 13.5 MB / 446.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003916/0.537, allocations: 229.9 kB / 0.5818 GB, free: 13.41 MB / 446.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006629/0.5376, allocations: 367 kB / 0.5822 GB, free: 13.34 MB / 446.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.074e-06/0.5377, allocations: 2.5 kB / 0.5822 GB, free: 13.34 MB / 446.1 MB Notification: Performance of matching and sorting (n=41) (initialization): time 0.002098/0.5398, allocations: 0.7387 MB / 0.5829 GB, free: 13.15 MB / 446.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.134e-05/0.5398, allocations: 3.562 kB / 0.5829 GB, free: 13.15 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.447e-06/0.5398, allocations: 7.219 kB / 0.5829 GB, free: 13.14 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.002418/0.5422, allocations: 0.5176 MB / 0.5834 GB, free: 13 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001557/0.5424, allocations: 39.02 kB / 0.5835 GB, free: 12.99 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001908/0.5443, allocations: 1.511 MB / 0.5849 GB, free: 11.86 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005042/0.5449, allocations: 16.09 kB / 0.585 GB, free: 11.86 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.678e-05/0.5449, allocations: 25.02 kB / 0.585 GB, free: 11.85 MB / 446.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0005079/0.5454, allocations: 269.9 kB / 0.5852 GB, free: 11.75 MB / 446.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003279/0.5458, allocations: 224.5 kB / 0.5855 GB, free: 11.65 MB / 446.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005822/0.5464, allocations: 368 kB / 0.5858 GB, free: 11.57 MB / 446.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.707e-06/0.5464, allocations: 6.531 kB / 0.5858 GB, free: 11.57 MB / 446.1 MB Notification: Performance of matching and sorting (n=41) (initialization_lambda0): time 0.001791/0.5482, allocations: 0.6837 MB / 0.5865 GB, free: 11.39 MB / 446.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.636e-05/0.5482, allocations: 7.562 kB / 0.5865 GB, free: 11.39 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.427e-06/0.5482, allocations: 0 / 0.5865 GB, free: 11.39 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0016/0.5498, allocations: 455.1 kB / 0.5869 GB, free: 11.27 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001636/0.55, allocations: 34.48 kB / 0.587 GB, free: 11.26 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00202/0.552, allocations: 1.448 MB / 0.5884 GB, free: 10.15 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004629/0.5525, allocations: 17.5 kB / 0.5884 GB, free: 10.15 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.501e-05/0.5526, allocations: 29.88 kB / 0.5884 GB, free: 10.14 MB / 446.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * Number of states: 0 () * Number of discrete variables: 3 (header.fluidState.phase,pressDrop.state.phase,mixer.fluidState.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (20): * Single equations (assignments): 18 * 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 {(3,11), (2,7)} Notification: Performance of prepare postOptimizeDAE: time 0.0002456/0.5528, allocations: 196.9 kB / 0.5886 GB, free: 9.957 MB / 446.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001958/0.553, allocations: 49.03 kB / 0.5886 GB, free: 9.934 MB / 446.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004148/0.5572, allocations: 3.006 MB / 0.5916 GB, free: 8.148 MB / 446.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.625e-05/0.5572, allocations: 12.03 kB / 0.5916 GB, free: 8.141 MB / 446.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.292e-05/0.5572, allocations: 1.938 kB / 0.5916 GB, free: 8.141 MB / 446.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.985e-06/0.5573, allocations: 6.703 kB / 0.5916 GB, free: 8.137 MB / 446.1 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 postOpt removeSimpleEquations (simulation): time 0.00555/0.5628, allocations: 4.521 MB / 0.596 GB, free: 5.035 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.636e-06/0.5629, allocations: 0 / 0.596 GB, free: 5.035 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002296/0.5631, allocations: 50.2 kB / 0.5961 GB, free: 4.992 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.002802/0.5659, allocations: 1.205 MB / 0.5972 GB, free: 4.176 MB / 446.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.838e-05/0.566, allocations: 7.25 kB / 0.5973 GB, free: 4.172 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003532/0.5695, allocations: 2.853 MB / 0.6 GB, free: 1.352 MB / 446.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.013e-06/0.5695, allocations: 0 / 0.6 GB, free: 1.352 MB / 446.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00469/0.5742, allocations: 3.957 MB / 0.6039 GB, free: 14.12 MB / 462.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0003035/0.5746, allocations: 140.3 kB / 0.604 GB, free: 13.96 MB / 462.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001326/0.5747, allocations: 12 kB / 0.604 GB, free: 13.95 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004276/0.5751, allocations: 23.91 kB / 0.6041 GB, free: 13.93 MB / 462.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001401/0.5753, allocations: 23.95 kB / 0.6041 GB, free: 13.9 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.052e-05/0.5753, allocations: 8 kB / 0.6041 GB, free: 13.89 MB / 462.1 MB Notification: Performance of sorting global known variables: time 0.0004466/0.5758, allocations: 318.9 kB / 0.6044 GB, free: 13.59 MB / 462.1 MB Notification: Performance of sort global known variables: time 5.31e-07/0.5758, allocations: 0 / 0.6044 GB, free: 13.59 MB / 462.1 MB Notification: Performance of remove unused functions: time 0.004845/0.5807, allocations: 0.9879 MB / 0.6054 GB, free: 12.6 MB / 462.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 4 (mixer.p,mixer.h,header.p,header.h) * Number of discrete variables: 4 ($cse2.phase,$cse2.region,$cse4.phase,$cse4.region) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (30): * Single equations (assignments): 25 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 2 * 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 {2} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,2)} Notification: Performance of Backend phase and start with SimCode phase: time 0.007476/0.5882, allocations: 0.9643 MB / 0.6063 GB, free: 11.73 MB / 462.1 MB Notification: Performance of simCode: created initialization part: time 0.002899/0.5911, allocations: 0.8106 MB / 0.6071 GB, free: 10.93 MB / 462.1 MB Notification: Performance of simCode: created event and clocks part: time 7.344e-06/0.5911, allocations: 0 / 0.6071 GB, free: 10.93 MB / 462.1 MB Notification: Performance of simCode: created simulation system equations: time 0.001316/0.5925, allocations: 458.5 kB / 0.6075 GB, free: 10.47 MB / 462.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001954/0.5944, allocations: 326.8 kB / 0.6079 GB, free: 10.17 MB / 462.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002713/0.5972, allocations: 1.362 MB / 0.6092 GB, free: 8.805 MB / 462.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005651/0.5978, allocations: 0.8833 MB / 0.61 GB, free: 7.895 MB / 462.1 MB Notification: Performance of simCode: alias equations: time 0.0004377/0.5982, allocations: 121 kB / 0.6102 GB, free: 7.781 MB / 462.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001174/0.5984, allocations: 39.44 kB / 0.6102 GB, free: 7.742 MB / 462.1 MB Notification: Performance of SimCode: time 8.12e-07/0.5984, allocations: 0 / 0.6102 GB, free: 7.742 MB / 462.1 MB Notification: Performance of Templates: time 0.06548/0.6638, allocations: 42.68 MB / 0.6519 GB, free: 13.19 MB / 0.4981 GB make -j1 -f ThermoPower_ThermoPower.Test.WaterComponents.TestMixer.makefile (rm -f ThermoPower_ThermoPower.Test.WaterComponents.TestMixer.pipe ; mkfifo ThermoPower_ThermoPower.Test.WaterComponents.TestMixer.pipe ; head -c 1048576 < ThermoPower_ThermoPower.Test.WaterComponents.TestMixer.pipe >> ../files/ThermoPower_ThermoPower.Test.WaterComponents.TestMixer.sim & ./ThermoPower_ThermoPower.Test.WaterComponents.TestMixer -abortSlowSimulation -alarm=480 -s gbode -lv LOG_STATS > ThermoPower_ThermoPower.Test.WaterComponents.TestMixer.pipe 2>&1)