Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BoundaryInitBlocks_BoundaryInitBlocks.Examples.Tests.ThermoHydroMSL.SteadyState_OFF_BWD.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/BoundaryInitBlocks 1.0.0-master/package.mo", uses=false) Using package BoundaryInitBlocks with version 1.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BoundaryInitBlocks 1.0.0-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) Ignoring simflag -noemit -lv=LOG_STDOUT,LOG_ASSERT,LOG_STATS since it seems broken on HelloWorld Ignoring simflag -noemit -variableFilter=.* since it seems broken on HelloWorld Running command: translateModel(BoundaryInitBlocks.Examples.Tests.ThermoHydroMSL.SteadyState_OFF_BWD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=1000,variableFilter="",fileNamePrefix="BoundaryInitBlocks_BoundaryInitBlocks.Examples.Tests.ThermoHydroMSL.SteadyState_OFF_BWD") translateModel(BoundaryInitBlocks.Examples.Tests.ThermoHydroMSL.SteadyState_OFF_BWD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=1000,variableFilter="",fileNamePrefix="BoundaryInitBlocks_BoundaryInitBlocks.Examples.Tests.ThermoHydroMSL.SteadyState_OFF_BWD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008863/0.0008863, allocations: 98.03 kB / 15.36 MB, free: 0.7344 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.004792/0.004792, allocations: 168.9 kB / 16.26 MB, free: 6.648 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.266/1.266, allocations: 223.3 MB / 240.3 MB, free: 5.332 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BoundaryInitBlocks 1.0.0-master/package.mo): time 0.006949/0.006949, allocations: 1.309 MB / 292.7 MB, free: 0.918 MB / 238.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0002612/0.0002612, allocations: 8 kB / 356.9 MB, free: 15.06 MB / 254.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2065/0.2067, allocations: 50.71 MB / 407.6 MB, free: 11.84 MB / 286.1 MB Notification: Performance of NFInst.instantiate(BoundaryInitBlocks.Examples.Tests.ThermoHydroMSL.SteadyState_OFF_BWD): time 0.02467/0.2314, allocations: 30.27 MB / 437.9 MB, free: 5.629 MB / 302.1 MB Notification: Performance of NFInst.instExpressions: time 0.01229/0.2437, allocations: 9.626 MB / 447.5 MB, free: 13.8 MB / 318.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009629/0.2447, allocations: 44.91 kB / 447.6 MB, free: 13.78 MB / 318.1 MB Notification: Performance of NFTyping.typeComponents: time 0.00113/0.2459, allocations: 0.4944 MB / 448.1 MB, free: 13.36 MB / 318.1 MB Notification: Performance of NFTyping.typeBindings: time 0.003394/0.2493, allocations: 1.735 MB / 449.8 MB, free: 12.01 MB / 318.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.003448/0.2527, allocations: 1.689 MB / 451.5 MB, free: 10.54 MB / 318.1 MB Notification: Performance of NFFlatten.flatten: time 0.004347/0.2571, allocations: 4.495 MB / 456 MB, free: 6.031 MB / 318.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0009547/0.2581, allocations: 0.7674 MB / 456.8 MB, free: 5.254 MB / 318.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001515/0.2596, allocations: 1.148 MB / 457.9 MB, free: 4.102 MB / 318.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001274/0.2609, allocations: 1.089 MB / 459 MB, free: 3.008 MB / 318.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0001422/0.261, allocations: 60 kB / 459.1 MB, free: 2.949 MB / 318.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001671/0.2627, allocations: 0.9358 MB / 460 MB, free: 2.012 MB / 318.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0003691/0.2631, allocations: 374.6 kB / 460.4 MB, free: 1.645 MB / 318.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0006901/0.2638, allocations: 0.7208 MB / 461.1 MB, free: 0.9141 MB / 318.1 MB Notification: Performance of NFConvertDAE.convert: time 0.002323/0.2661, allocations: 2.235 MB / 463.3 MB, free: 14.67 MB / 334.1 MB Notification: Performance of FrontEnd - DAE generated: time 2.395e-06/0.2661, allocations: 0 / 463.3 MB, free: 14.67 MB / 334.1 MB Notification: Performance of FrontEnd: time 1.423e-06/0.2661, allocations: 0 / 463.3 MB, free: 14.67 MB / 334.1 MB Notification: Performance of Transformations before backend: time 1.107e-05/0.2661, allocations: 0 / 463.3 MB, free: 14.67 MB / 334.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 261 * Number of variables: 261 Notification: Performance of Generate backend data structure: time 0.002651/0.2688, allocations: 1.48 MB / 464.8 MB, free: 13.14 MB / 334.1 MB Notification: Performance of prepare preOptimizeDAE: time 2.851e-05/0.2688, allocations: 8.031 kB / 464.8 MB, free: 13.13 MB / 334.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0005379/0.2694, allocations: 175.2 kB / 465 MB, free: 12.96 MB / 334.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00114/0.2705, allocations: 0.8152 MB / 465.8 MB, free: 12.1 MB / 334.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001512/0.2707, allocations: 171.7 kB / 466 MB, free: 11.91 MB / 334.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001561/0.2708, allocations: 112.1 kB / 466.1 MB, free: 11.8 MB / 334.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002106/0.273, allocations: 1.441 MB / 467.5 MB, free: 10.21 MB / 334.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.777e-05/0.273, allocations: 4 kB / 467.5 MB, free: 10.21 MB / 334.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001234/0.2731, allocations: 48 kB / 467.6 MB, free: 10.16 MB / 334.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.001e-05/0.2732, allocations: 41.94 kB / 467.6 MB, free: 10.12 MB / 334.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001737/0.2749, allocations: 1.104 MB / 468.7 MB, free: 9.012 MB / 334.1 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 0.007832/0.2828, allocations: 7.556 MB / 476.3 MB, free: 0.9844 MB / 334.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001387/0.2842, allocations: 0.8559 MB / 477.1 MB, free: 124 kB / 334.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006891/0.2849, allocations: 459.7 kB / 477.6 MB, free: 15.67 MB / 350.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.003139/0.288, allocations: 3.059 MB / 480.6 MB, free: 12.18 MB / 350.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.024e-05/0.2881, allocations: 51.44 kB / 480.7 MB, free: 12.12 MB / 350.1 MB Notification: Performance of pre-optimization done (n=93): time 1.643e-06/0.2881, allocations: 0 / 480.7 MB, free: 12.12 MB / 350.1 MB Notification: Performance of matching and sorting (n=98): time 0.006394/0.2945, allocations: 3.105 MB / 483.8 MB, free: 8.898 MB / 350.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 8.048e-05/0.2946, allocations: 149.5 kB / 483.9 MB, free: 8.723 MB / 350.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001049/0.2956, allocations: 0.91 MB / 484.8 MB, free: 7.793 MB / 350.1 MB Notification: Performance of collectPreVariables (initialization): time 8.36e-05/0.2957, allocations: 49.7 kB / 484.9 MB, free: 7.738 MB / 350.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0004475/0.2962, allocations: 0.6037 MB / 485.5 MB, free: 7.125 MB / 350.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0002851/0.2965, allocations: 339.2 kB / 485.8 MB, free: 6.789 MB / 350.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001578/0.2966, allocations: 129.6 kB / 486 MB, free: 6.656 MB / 350.1 MB Notification: Performance of setup shared object (initialization): time 0.000121/0.2967, allocations: 305.1 kB / 486.3 MB, free: 6.355 MB / 350.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007523/0.2975, allocations: 447.7 kB / 486.7 MB, free: 5.918 MB / 350.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001174/0.2987, allocations: 0.9812 MB / 487.7 MB, free: 4.691 MB / 350.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001965/0.3007, allocations: 1.463 MB / 489.1 MB, free: 2.988 MB / 350.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.723e-06/0.3007, allocations: 4 kB / 489.1 MB, free: 2.984 MB / 350.1 MB Notification: Performance of matching and sorting (n=185) (initialization): time 0.002904/0.3036, allocations: 1.756 MB / 490.9 MB, free: 1.215 MB / 350.1 MB Notification: Performance of prepare postOptimizeDAE: time 0.0004438/0.304, allocations: 0.6074 MB / 491.5 MB, free: 376 kB / 350.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.933e-05/0.3041, allocations: 23.94 kB / 491.5 MB, free: 352 kB / 350.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.002182/0.3063, allocations: 0.6477 MB / 492.2 MB, free: 15.69 MB / 366.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009933/0.3073, allocations: 311.5 kB / 492.5 MB, free: 15.39 MB / 366.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005036/0.3123, allocations: 5.466 MB / 497.9 MB, free: 9.484 MB / 366.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000801/0.3131, allocations: 75.91 kB / 498 MB, free: 9.41 MB / 366.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001155/0.3132, allocations: 95.84 kB / 498.1 MB, free: 9.316 MB / 366.1 MB Notification: Performance of prepare postOptimizeDAE: time 6.222e-06/0.3133, allocations: 4 kB / 498.1 MB, free: 9.312 MB / 366.1 MB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.002532/0.3158, allocations: 1.541 MB / 499.7 MB, free: 7.77 MB / 366.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.905e-05/0.3158, allocations: 16 kB / 499.7 MB, free: 7.754 MB / 366.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0008849/0.3167, allocations: 439 kB / 0.4884 GB, free: 7.32 MB / 366.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001313/0.318, allocations: 359.3 kB / 0.4887 GB, free: 6.969 MB / 366.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007974/0.326, allocations: 7.442 MB / 0.496 GB, free: 15 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007172/0.3268, allocations: 79.91 kB / 0.4961 GB, free: 14.92 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001111/0.3269, allocations: 75.98 kB / 0.4961 GB, free: 14.85 MB / 382.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 78 * Number of states: 0 () * Number of discrete variables: 6 (openTank.inFlow[3],openTank.inFlow[2],openTank.inFlow[1],openTank.regularFlow[3],openTank.regularFlow[2],openTank.regularFlow[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (154): * Single equations (assignments): 150 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * 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): 2 systems {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): 2 systems {(7,21), (2,3)} Notification: Performance of prepare postOptimizeDAE: time 0.0005667/0.3274, allocations: 416.5 kB / 0.4965 GB, free: 14.43 MB / 382.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001775/0.3276, allocations: 122.5 kB / 0.4966 GB, free: 14.31 MB / 382.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002764/0.3304, allocations: 1.702 MB / 0.4983 GB, free: 12.59 MB / 382.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.42e-05/0.3304, allocations: 12 kB / 0.4983 GB, free: 12.57 MB / 382.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.074e-06/0.3304, allocations: 4 kB / 0.4983 GB, free: 12.57 MB / 382.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.142e-05/0.3305, allocations: 11.97 kB / 0.4983 GB, free: 12.56 MB / 382.1 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 0.003958/0.3344, allocations: 2.733 MB / 0.501 GB, free: 9.691 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.819e-06/0.3344, allocations: 0 / 0.501 GB, free: 9.691 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001133/0.3356, allocations: 207.6 kB / 0.5012 GB, free: 9.488 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0008875/0.3365, allocations: 370.6 kB / 0.5016 GB, free: 9.117 MB / 382.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.94e-05/0.3365, allocations: 31.98 kB / 0.5016 GB, free: 9.086 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00281/0.3394, allocations: 3.091 MB / 0.5046 GB, free: 5.809 MB / 382.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.811e-06/0.3394, allocations: 12 kB / 0.5046 GB, free: 5.797 MB / 382.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00284/0.3422, allocations: 1.858 MB / 0.5064 GB, free: 3.871 MB / 382.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0004757/0.3427, allocations: 327.3 kB / 0.5067 GB, free: 3.531 MB / 382.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001474/0.3429, allocations: 20 kB / 0.5068 GB, free: 3.512 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007397/0.3436, allocations: 75.86 kB / 0.5068 GB, free: 3.438 MB / 382.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001869/0.3438, allocations: 100.7 kB / 0.5069 GB, free: 3.34 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.553e-05/0.3439, allocations: 47.97 kB / 0.507 GB, free: 3.293 MB / 382.1 MB Notification: Performance of sorting global known variables: time 0.0008383/0.3447, allocations: 0.6768 MB / 0.5076 GB, free: 2.609 MB / 382.1 MB Notification: Performance of sort global known variables: time 1.11e-07/0.3448, allocations: 0 / 0.5076 GB, free: 2.609 MB / 382.1 MB Notification: Performance of remove unused functions: time 0.002175/0.3469, allocations: 0.746 MB / 0.5084 GB, free: 1.863 MB / 382.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 15 * Number of states: 2 (openTank.level,openTank.medium.T) * Number of discrete variables: 6 (openTank.regularFlow[1],openTank.regularFlow[2],openTank.regularFlow[3],openTank.inFlow[1],openTank.inFlow[2],openTank.inFlow[3]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (81): * Single equations (assignments): 76 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * 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): 3 systems {(3,6), (3,6), (2,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0008633/0.3478, allocations: 473.6 kB / 0.5088 GB, free: 1.402 MB / 382.1 MB Notification: Performance of simCode: created initialization part: time 0.004442/0.3523, allocations: 2.485 MB / 0.5112 GB, free: 14.88 MB / 398.1 MB Notification: Performance of simCode: created event and clocks part: time 1.047e-05/0.3523, allocations: 4 kB / 0.5112 GB, free: 14.88 MB / 398.1 MB Notification: Performance of simCode: created simulation system equations: time 0.001271/0.3536, allocations: 0.7156 MB / 0.5119 GB, free: 14.15 MB / 398.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003389/0.357, allocations: 0.6442 MB / 0.5126 GB, free: 13.52 MB / 398.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004155/0.3611, allocations: 2.92 MB / 0.5154 GB, free: 10.54 MB / 398.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008787/0.362, allocations: 1.148 MB / 0.5165 GB, free: 9.359 MB / 398.1 MB Notification: Performance of simCode: alias equations: time 0.00157/0.3636, allocations: 488.6 kB / 0.517 GB, free: 8.914 MB / 398.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002792/0.3639, allocations: 119.4 kB / 0.5171 GB, free: 8.797 MB / 398.1 MB Notification: Performance of SimCode: time 5.21e-07/0.3639, allocations: 0 / 0.5171 GB, free: 8.797 MB / 398.1 MB Notification: Performance of Templates: time 0.04776/0.4117, allocations: 32.18 MB / 0.5486 GB, free: 8.797 MB / 430.1 MB make -j1 -f BoundaryInitBlocks_BoundaryInitBlocks.Examples.Tests.ThermoHydroMSL.SteadyState_OFF_BWD.makefile (rm -f BoundaryInitBlocks_BoundaryInitBlocks.Examples.Tests.ThermoHydroMSL.SteadyState_OFF_BWD.pipe ; mkfifo BoundaryInitBlocks_BoundaryInitBlocks.Examples.Tests.ThermoHydroMSL.SteadyState_OFF_BWD.pipe ; head -c 1048576 < BoundaryInitBlocks_BoundaryInitBlocks.Examples.Tests.ThermoHydroMSL.SteadyState_OFF_BWD.pipe >> ../files/BoundaryInitBlocks_BoundaryInitBlocks.Examples.Tests.ThermoHydroMSL.SteadyState_OFF_BWD.sim & ./BoundaryInitBlocks_BoundaryInitBlocks.Examples.Tests.ThermoHydroMSL.SteadyState_OFF_BWD -s=dassl -abortSlowSimulation -alarm=480 -lv LOG_STATS > BoundaryInitBlocks_BoundaryInitBlocks.Examples.Tests.ThermoHydroMSL.SteadyState_OFF_BWD.pipe 2>&1)