Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_3.2.2_ModelicaTest.Fluid.TestComponents.Vessels.TestTankWithTopPorts.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/ModelicaTest 3.2.2+maint.om/package.mo", uses=false) Using package ModelicaTest with version 3.2.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.2+maint.om/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(ModelicaTest.Fluid.TestComponents.Vessels.TestTankWithTopPorts,tolerance=1e-05,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ModelicaTest_3.2.2_ModelicaTest.Fluid.TestComponents.Vessels.TestTankWithTopPorts") translateModel(ModelicaTest.Fluid.TestComponents.Vessels.TestTankWithTopPorts,tolerance=1e-05,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ModelicaTest_3.2.2_ModelicaTest.Fluid.TestComponents.Vessels.TestTankWithTopPorts") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.005307/0.005307, allocations: 100.5 kB / 15.73 MB, free: 5.977 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001333/0.001333, allocations: 197.2 kB / 16.67 MB, free: 5.914 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.426/1.426, allocations: 205.1 MB / 222.6 MB, free: 4.5 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.2+maint.om/package.mo): time 0.3727/0.3727, allocations: 39.94 MB / 309.8 MB, free: 9.27 MB / 254.1 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: ModelicaTest requested package Modelica of version 3.2.2. Modelica 3.2.3 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001637/0.001637, allocations: 67.91 kB / 435.8 MB, free: 2.457 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3212/0.3229, allocations: 56.87 MB / 492.6 MB, free: 19.51 MB / 382.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.TestComponents.Vessels.TestTankWithTopPorts): time 0.06616/0.3891, allocations: 59.18 MB / 0.5389 GB, free: 5.062 MB / 414.1 MB Notification: Performance of NFInst.instExpressions: time 0.02096/0.4101, allocations: 16.39 MB / 0.5549 GB, free: 4.621 MB / 430.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001054/0.4112, allocations: 15.94 kB / 0.5549 GB, free: 4.605 MB / 430.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001491/0.4127, allocations: 449.2 kB / 0.5553 GB, free: 4.164 MB / 430.1 MB Notification: Performance of NFTyping.typeBindings: time 0.01416/0.4269, allocations: 4.977 MB / 0.5602 GB, free: 15.17 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.006565/0.4335, allocations: 2.327 MB / 0.5625 GB, free: 12.84 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.003274/0.4368, allocations: 2.754 MB / 0.5652 GB, free: 10.07 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001536/0.4383, allocations: 0.8913 MB / 0.566 GB, free: 9.168 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.006641/0.445, allocations: 2.707 MB / 0.5687 GB, free: 6.434 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.004752/0.4498, allocations: 2.427 MB / 0.571 GB, free: 3.977 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0003695/0.4502, allocations: 104 kB / 0.5711 GB, free: 3.875 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.01626/0.4664, allocations: 7.348 MB / 0.5783 GB, free: 12.52 MB / 462.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0006214/0.4671, allocations: 331 kB / 0.5786 GB, free: 12.2 MB / 462.1 MB Notification: Performance of NFVerifyModel.verify: time 0.001144/0.4682, allocations: 0.5874 MB / 0.5792 GB, free: 11.61 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01155/0.4798, allocations: 5.461 MB / 0.5845 GB, free: 6.133 MB / 462.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.292e-06/0.4798, allocations: 4 kB / 0.5845 GB, free: 6.129 MB / 462.1 MB Notification: Performance of FrontEnd: time 1.563e-06/0.4799, allocations: 0 / 0.5845 GB, free: 6.129 MB / 462.1 MB Notification: Performance of Transformations before backend: time 5.507e-05/0.4799, allocations: 0 / 0.5845 GB, free: 6.129 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: 212 * Number of variables: 212 Notification: Performance of Generate backend data structure: time 0.004629/0.4846, allocations: 1.867 MB / 0.5864 GB, free: 4.207 MB / 462.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.739e-05/0.4846, allocations: 19.83 kB / 0.5864 GB, free: 4.188 MB / 462.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002297/0.4869, allocations: 307.5 kB / 0.5867 GB, free: 3.887 MB / 462.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00124/0.4882, allocations: 0.665 MB / 0.5873 GB, free: 3.18 MB / 462.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002/0.4884, allocations: 304.1 kB / 0.5876 GB, free: 2.836 MB / 462.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000141/0.4885, allocations: 84.12 kB / 0.5877 GB, free: 2.754 MB / 462.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003118/0.4917, allocations: 1.504 MB / 0.5892 GB, free: 1.164 MB / 462.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.791e-05/0.4917, allocations: 0 / 0.5892 GB, free: 1.164 MB / 462.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001076/0.4918, allocations: 40 kB / 0.5892 GB, free: 1.125 MB / 462.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.047e-05/0.4919, allocations: 37.98 kB / 0.5892 GB, free: 1.09 MB / 462.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003118/0.495, allocations: 1.342 MB / 0.5906 GB, free: 15.75 MB / 478.1 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 0.008144/0.5032, allocations: 6.389 MB / 0.5968 GB, free: 8.879 MB / 478.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002801/0.506, allocations: 0.9452 MB / 0.5977 GB, free: 7.914 MB / 478.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0009322/0.5069, allocations: 458.8 kB / 0.5982 GB, free: 7.457 MB / 478.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.03242/0.5394, allocations: 15.77 MB / 0.6135 GB, free: 5.836 MB / 494.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.422e-05/0.5395, allocations: 47.11 kB / 0.6136 GB, free: 5.781 MB / 494.1 MB Notification: Performance of pre-optimization done (n=59): time 1.993e-06/0.5395, allocations: 0 / 0.6136 GB, free: 5.781 MB / 494.1 MB Notification: Performance of matching and sorting (n=64): time 0.008878/0.5484, allocations: 2.934 MB / 0.6165 GB, free: 2.789 MB / 494.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 9.261e-05/0.5485, allocations: 170.8 kB / 0.6166 GB, free: 2.586 MB / 494.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001063/0.5495, allocations: 0.8129 MB / 0.6174 GB, free: 1.762 MB / 494.1 MB Notification: Performance of collectPreVariables (initialization): time 8.907e-05/0.5496, allocations: 41.7 kB / 0.6175 GB, free: 1.715 MB / 494.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0003338/0.55, allocations: 455.4 kB / 0.6179 GB, free: 1.262 MB / 494.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001919/0.5502, allocations: 209.1 kB / 0.6181 GB, free: 1.055 MB / 494.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000292/0.5505, allocations: 182.5 kB / 0.6183 GB, free: 0.8711 MB / 494.1 MB Notification: Performance of setup shared object (initialization): time 0.0001595/0.5506, allocations: 398.7 kB / 0.6186 GB, free: 484 kB / 494.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009133/0.5516, allocations: 437.7 kB / 0.6191 GB, free: 48 kB / 494.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001085/0.5527, allocations: 0.6572 MB / 0.6197 GB, free: 15.3 MB / 0.4981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0018/0.5545, allocations: 0.9687 MB / 0.6206 GB, free: 14.24 MB / 0.4981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.693e-06/0.5545, allocations: 0 / 0.6206 GB, free: 14.24 MB / 0.4981 GB Notification: Performance of matching and sorting (n=108) (initialization): time 0.002615/0.5571, allocations: 1.227 MB / 0.6218 GB, free: 13 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 2.441e-05/0.5572, allocations: 8 kB / 0.6219 GB, free: 12.99 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.771e-05/0.5572, allocations: 4 kB / 0.6219 GB, free: 12.99 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003746/0.5576, allocations: 93.14 kB / 0.6219 GB, free: 12.89 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003102/0.5607, allocations: 335.4 kB / 0.6223 GB, free: 12.57 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00578/0.5665, allocations: 6.808 MB / 0.6289 GB, free: 5.184 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001133/0.5676, allocations: 75.92 kB / 0.629 GB, free: 5.109 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001823/0.5678, allocations: 39.98 kB / 0.629 GB, free: 5.07 MB / 0.4981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 28 * Number of states: 0 () * Number of discrete variables: 21 (Boundary_fixed.medium.phase,massFlowRate[2].medium.phase,massFlowRate[1].medium.phase,tank.aboveLevel[4],$PRE.tank.aboveLevel[4],tank.aboveLevel[3],$PRE.tank.aboveLevel[3],tank.aboveLevel[2],$PRE.tank.aboveLevel[2],tank.aboveLevel[1],$PRE.tank.aboveLevel[1],tank.ports_m_flow_out[4],$PRE.tank.ports_m_flow_out[4],tank.ports_m_flow_out[3],$PRE.tank.ports_m_flow_out[3],tank.ports_m_flow_out[2],$PRE.tank.ports_m_flow_out[2],tank.ports_m_flow_out[1],$PRE.tank.ports_m_flow_out[1],tank.heatTransfer.states[1].phase,Boundary_fixed.state.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (103): * Single equations (assignments): 98 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 4 * Torn equation systems: 1 * 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): 4 systems {1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems 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): 1 system {(1,5)} Notification: Performance of prepare postOptimizeDAE: time 0.000826/0.5687, allocations: 339.7 kB / 0.6293 GB, free: 4.73 MB / 0.4981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000372/0.569, allocations: 86.97 kB / 0.6294 GB, free: 4.645 MB / 0.4981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00363/0.5727, allocations: 2.184 MB / 0.6316 GB, free: 2.434 MB / 0.4981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.222e-05/0.5727, allocations: 19.98 kB / 0.6316 GB, free: 2.414 MB / 0.4981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.196e-06/0.5727, allocations: 0 / 0.6316 GB, free: 2.414 MB / 0.4981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.347e-06/0.5727, allocations: 3.984 kB / 0.6316 GB, free: 2.41 MB / 0.4981 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.2938/0.8666, allocations: 3.457 MB / 0.635 GB, free: 134.6 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.907e-06/0.8666, allocations: 2.062 kB / 0.635 GB, free: 134.6 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003202/0.8698, allocations: 284.3 kB / 0.6352 GB, free: 134.6 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003731/0.8702, allocations: 100 kB / 0.6353 GB, free: 134.6 MB / 0.4981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.751e-05/0.8703, allocations: 21.12 kB / 0.6354 GB, free: 134.6 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004769/0.8751, allocations: 6.771 MB / 0.642 GB, free: 128.3 MB / 0.4981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.888e-06/0.8751, allocations: 2.125 kB / 0.642 GB, free: 128.3 MB / 0.4981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003897/0.879, allocations: 2.173 MB / 0.6441 GB, free: 127.4 MB / 0.4981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003059/0.8793, allocations: 182.9 kB / 0.6443 GB, free: 127.3 MB / 0.4981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002681/0.8796, allocations: 74.39 kB / 0.6443 GB, free: 127.3 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008702/0.8805, allocations: 65.56 kB / 0.6444 GB, free: 127.3 MB / 0.4981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003262/0.8808, allocations: 119.5 kB / 0.6445 GB, free: 127.2 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.696e-05/0.8809, allocations: 30.11 kB / 0.6445 GB, free: 127.2 MB / 0.4981 GB Notification: Performance of sorting global known variables: time 0.001519/0.8824, allocations: 0.8877 MB / 0.6454 GB, free: 126.9 MB / 0.4981 GB Notification: Performance of sort global known variables: time 8.22e-07/0.8824, allocations: 0.9062 kB / 0.6454 GB, free: 126.9 MB / 0.4981 GB Notification: Performance of remove unused functions: time 0.004347/0.8868, allocations: 1.226 MB / 0.6466 GB, free: 126.8 MB / 0.4981 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 6 * Number of states: 2 (tank.level,tank.medium.h) * Number of discrete variables: 20 ($cse3.phase,$cse3.region,$cse7.phase,$cse7.region,$cse11.phase,$cse11.region,$cse12.phase,$cse12.region,tank.heatTransfer.states[1].phase,tank.ports_m_flow_out[1],tank.ports_m_flow_out[2],tank.ports_m_flow_out[3],tank.ports_m_flow_out[4],tank.aboveLevel[1],tank.aboveLevel[2],tank.aboveLevel[3],tank.aboveLevel[4],massFlowRate[1].medium.phase,massFlowRate[2].medium.phase,Boundary_fixed.medium.phase) * Number of discrete states: 8 (tank.aboveLevel[1],tank.ports_m_flow_out[1],tank.aboveLevel[2],tank.ports_m_flow_out[2],tank.aboveLevel[3],tank.ports_m_flow_out[3],tank.aboveLevel[4],tank.ports_m_flow_out[4]) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (63): * Single equations (assignments): 54 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 4 * Torn equation systems: 1 * 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): 4 systems {1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems 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): 1 system {(2,4)} Notification: Performance of Backend phase and start with SimCode phase: time 0.004635/0.8914, allocations: 1.301 MB / 0.6479 GB, free: 126.6 MB / 0.4981 GB Notification: Performance of simCode: created initialization part: time 0.005097/0.8965, allocations: 1.281 MB / 0.6491 GB, free: 126.3 MB / 0.4981 GB Notification: Performance of simCode: created event and clocks part: time 7.785e-06/0.8966, allocations: 2.625 kB / 0.6491 GB, free: 126.3 MB / 0.4981 GB Notification: Performance of simCode: created simulation system equations: time 0.00372/0.9003, allocations: 0.9019 MB / 0.65 GB, free: 126 MB / 0.4981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004546/0.9049, allocations: 0.5539 MB / 0.6505 GB, free: 125.9 MB / 0.4981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005865/0.9108, allocations: 2.53 MB / 0.653 GB, free: 124.7 MB / 0.4981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001556/0.9123, allocations: 1.218 MB / 0.6542 GB, free: 124 MB / 0.4981 GB Notification: Performance of simCode: alias equations: time 0.001783/0.9141, allocations: 0.4973 MB / 0.6547 GB, free: 123.9 MB / 0.4981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003713/0.9145, allocations: 86.22 kB / 0.6548 GB, free: 123.9 MB / 0.4981 GB Notification: Performance of SimCode: time 1.242e-06/0.9145, allocations: 0 / 0.6548 GB, free: 123.9 MB / 0.4981 GB Notification: Performance of Templates: time 0.07385/0.9884, allocations: 56.02 MB / 0.7095 GB, free: 79.58 MB / 0.4981 GB make -j1 -f ModelicaTest_3.2.2_ModelicaTest.Fluid.TestComponents.Vessels.TestTankWithTopPorts.makefile (rm -f ModelicaTest_3.2.2_ModelicaTest.Fluid.TestComponents.Vessels.TestTankWithTopPorts.pipe ; mkfifo ModelicaTest_3.2.2_ModelicaTest.Fluid.TestComponents.Vessels.TestTankWithTopPorts.pipe ; head -c 1048576 < ModelicaTest_3.2.2_ModelicaTest.Fluid.TestComponents.Vessels.TestTankWithTopPorts.pipe >> ../files/ModelicaTest_3.2.2_ModelicaTest.Fluid.TestComponents.Vessels.TestTankWithTopPorts.sim & ./ModelicaTest_3.2.2_ModelicaTest.Fluid.TestComponents.Vessels.TestTankWithTopPorts -abortSlowSimulation -alarm=480 -lv LOG_STATS > ModelicaTest_3.2.2_ModelicaTest.Fluid.TestComponents.Vessels.TestTankWithTopPorts.pipe 2>&1)