Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Modelica_3.2.1_Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects.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) 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(Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Modelica_3.2.1_Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects") translateModel(Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Modelica_3.2.1_Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001188/0.001188, allocations: 98.19 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 0.009532/0.009532, allocations: 169.5 kB / 16.26 MB, free: 6.652 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.667/1.667, allocations: 205.4 MB / 222.4 MB, free: 5.562 MB / 174.1 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 0.0006345/0.0006343, allocations: 8 kB / 279.4 MB, free: 12.52 MB / 238.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3012/0.3018, allocations: 47.59 MB / 327 MB, free: 1.387 MB / 254.1 MB Notification: Performance of NFInst.instantiate(Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects): time 0.08474/0.3866, allocations: 92.32 MB / 419.4 MB, free: 6.707 MB / 350.1 MB Notification: Performance of NFInst.instExpressions: time 0.05461/0.4413, allocations: 18.39 MB / 437.8 MB, free: 4.254 MB / 366.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.02591/0.4672, allocations: 430.8 kB / 438.2 MB, free: 3.832 MB / 366.1 MB Notification: Performance of NFTyping.typeComponents: time 0.003535/0.4709, allocations: 0.6646 MB / 438.8 MB, free: 3.164 MB / 366.1 MB Notification: Performance of NFTyping.typeBindings: time 0.01007/0.481, allocations: 2.994 MB / 441.8 MB, free: 164 kB / 366.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.003545/0.4845, allocations: 1.299 MB / 443.1 MB, free: 14.86 MB / 382.1 MB Notification: Performance of NFFlatten.flatten: time 0.01893/0.5035, allocations: 14.05 MB / 457.2 MB, free: 0.7734 MB / 382.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.2798/0.7834, allocations: 8.661 MB / 465.8 MB, free: 5.137 MB / 382.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.005987/0.7894, allocations: 2.353 MB / 468.2 MB, free: 5.133 MB / 382.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.007366/0.7968, allocations: 3.874 MB / 472.1 MB, free: 5.121 MB / 382.1 MB Notification: Performance of NFPackage.collectConstants: time 0.002333/0.7991, allocations: 243.4 kB / 472.3 MB, free: 5.117 MB / 382.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.005351/0.8045, allocations: 1.64 MB / 474 MB, free: 5.113 MB / 382.1 MB Notification: Performance of NFScalarize.scalarize: time 0.005658/0.8102, allocations: 3.364 MB / 477.3 MB, free: 4.98 MB / 382.1 MB Notification: Performance of NFVerifyModel.verify: time 0.00648/0.8167, allocations: 3.552 MB / 480.9 MB, free: 3.566 MB / 382.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01699/0.8337, allocations: 11.91 MB / 492.8 MB, free: 0 / 382.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.282e-06/0.8338, allocations: 128 / 492.8 MB, free: 0 / 382.1 MB Notification: Performance of FrontEnd: time 3.005e-06/0.8338, allocations: 64 / 492.8 MB, free: 0 / 382.1 MB Notification: Performance of Transformations before backend: time 0.0005926/0.8344, allocations: 0 / 492.8 MB, free: 0 / 382.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2276 * Number of variables: 2276 Notification: Performance of Generate backend data structure: time 0.02825/0.8626, allocations: 7.922 MB / 0.489 GB, free: 11.39 MB / 398.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.874e-05/0.8627, allocations: 7.688 kB / 0.489 GB, free: 11.39 MB / 398.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.03506/0.8978, allocations: 8.802 MB / 0.4976 GB, free: 7.324 MB / 398.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01805/0.9159, allocations: 7.251 MB / 0.5046 GB, free: 3.109 MB / 398.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004459/0.9163, allocations: 384.5 kB / 0.505 GB, free: 2.898 MB / 398.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.003479/0.9198, allocations: 0.6799 MB / 0.5057 GB, free: 2.438 MB / 398.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04357/0.9634, allocations: 17.21 MB / 0.5225 GB, free: 2.262 MB / 414.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0004164/0.9639, allocations: 89.89 kB / 0.5226 GB, free: 2.203 MB / 414.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001197/0.9651, allocations: 243.5 kB / 0.5228 GB, free: 2.016 MB / 414.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.004793/0.9699, allocations: 2.777 MB / 0.5255 GB, free: 15.27 MB / 430.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03454/1.004, allocations: 15 MB / 0.5402 GB, free: 0.5195 MB / 430.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.1001/1.105, allocations: 68.43 MB / 0.607 GB, free: 11.1 MB / 0.4981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.03126/1.136, allocations: 9.273 MB / 0.6161 GB, free: 1.676 MB / 0.4981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.007517/1.143, allocations: 4.754 MB / 0.6207 GB, free: 12.92 MB / 0.5137 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001589/1.145, allocations: 1.032 MB / 0.6217 GB, free: 11.73 MB / 0.5137 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.794e-05/1.145, allocations: 60.03 kB / 0.6218 GB, free: 11.67 MB / 0.5137 GB Notification: Performance of pre-optimization done (n=268): time 5.561e-06/1.145, allocations: 0 / 0.6218 GB, free: 11.67 MB / 0.5137 GB Notification: Performance of matching and sorting (n=351): time 0.4096/1.555, allocations: 60.01 MB / 0.6804 GB, free: 214 MB / 0.5137 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.00223/1.557, allocations: 3.238 MB / 0.6835 GB, free: 210.5 MB / 0.5137 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01239/1.57, allocations: 7.51 MB / 0.6909 GB, free: 203 MB / 0.5137 GB Notification: Performance of collectPreVariables (initialization): time 0.001457/1.571, allocations: 82.45 kB / 0.6909 GB, free: 202.9 MB / 0.5137 GB Notification: Performance of collectInitialEqns (initialization): time 0.003406/1.574, allocations: 5.032 MB / 0.6959 GB, free: 197.9 MB / 0.5137 GB Notification: Performance of collectInitialBindings (initialization): time 0.002203/1.577, allocations: 1.351 MB / 0.6972 GB, free: 196.5 MB / 0.5137 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001414/1.578, allocations: 0.8976 MB / 0.6981 GB, free: 195.6 MB / 0.5137 GB Notification: Performance of setup shared object (initialization): time 5.109e-05/1.578, allocations: 301.1 kB / 0.6983 GB, free: 195.3 MB / 0.5137 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006942/1.585, allocations: 5.521 MB / 0.7037 GB, free: 189.8 MB / 0.5137 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01136/1.596, allocations: 10.84 MB / 0.7143 GB, free: 176.5 MB / 0.5137 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.02023/1.617, allocations: 17.24 MB / 0.7312 GB, free: 156.7 MB / 0.5137 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001803/1.617, allocations: 56 kB / 0.7312 GB, free: 156.6 MB / 0.5137 GB Notification: Performance of matching and sorting (n=1334) (initialization): time 0.07976/1.697, allocations: 34.82 MB / 0.7652 GB, free: 121.7 MB / 0.5137 GB Notification: Performance of prepare postOptimizeDAE: time 0.0002346/1.697, allocations: 88.06 kB / 0.7653 GB, free: 121.7 MB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.05568/1.753, allocations: 23.7 MB / 0.7884 GB, free: 97.91 MB / 0.5137 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.04693/1.8, allocations: 17.86 MB / 0.8059 GB, free: 80 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008489/1.808, allocations: 2.394 MB / 0.8082 GB, free: 77.61 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04722/1.856, allocations: 37.85 MB / 0.8452 GB, free: 39.25 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01178/1.867, allocations: 0.8201 MB / 0.846 GB, free: 38.43 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.003887/1.871, allocations: 0.6067 MB / 0.8466 GB, free: 37.82 MB / 0.5137 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 833 * Number of states: 0 () * Number of discrete variables: 63 (rotor1D.cylinderColor[3],rotor1D.cylinderColor[2],rotor1D.cylinderColor[1],bodyCylinder4.color[3],bodyCylinder4.color[2],bodyCylinder4.color[1],bodyCylinder4.body.sphereColor[3],bodyCylinder4.body.sphereColor[2],bodyCylinder4.body.sphereColor[1],fixedTranslation1.color[3],fixedTranslation1.color[2],fixedTranslation1.color[1],fixedRotation2.color[3],fixedRotation2.color[2],fixedRotation2.color[1],bodyCylinder3.color[3],bodyCylinder3.color[2],bodyCylinder3.color[1],bodyCylinder3.body.sphereColor[3],bodyCylinder3.body.sphereColor[2],bodyCylinder3.body.sphereColor[1],spherical2.sphereColor[3],spherical2.sphereColor[2],spherical2.sphereColor[1],fixed.color[3],fixed.color[2],fixed.color[1],bodyCylinder2.color[3],bodyCylinder2.color[2],bodyCylinder2.color[1],bodyCylinder2.body.sphereColor[3],bodyCylinder2.body.sphereColor[2],bodyCylinder2.body.sphereColor[1],fixedTranslation.color[3],fixedTranslation.color[2],fixedTranslation.color[1],revolute.cylinderColor[3],revolute.cylinderColor[2],revolute.cylinderColor[1],fixedRotation1.color[3],fixedRotation1.color[2],fixedRotation1.color[1],bodyCylinder1.color[3],bodyCylinder1.color[2],bodyCylinder1.color[1],bodyCylinder1.body.sphereColor[3],bodyCylinder1.body.sphereColor[2],bodyCylinder1.body.sphereColor[1],spherical1.sphereColor[3],spherical1.sphereColor[2],spherical1.sphereColor[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[1],world.axisColor_x[3],world.axisColor_x[2],world.axisColor_x[1],world.groundColor[3],world.groundColor[2],world.groundColor[1],world.gravitySphereColor[3],world.gravitySphereColor[2],world.gravitySphereColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1168): * Single equations (assignments): 1151 * Array equations: 11 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 2 systems {(4,100.0%), (4,100.0%)} * Non-linear Jacobian (size): 0 systems * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(6,39,91.7%), (3,38,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(4,9), (4,9)} Notification: Performance of prepare postOptimizeDAE: time 0.01053/1.882, allocations: 3.443 MB / 0.8499 GB, free: 34.36 MB / 0.5137 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00277/1.885, allocations: 0.6594 MB / 0.8506 GB, free: 33.7 MB / 0.5137 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02504/1.91, allocations: 12.89 MB / 0.8632 GB, free: 20.74 MB / 0.5137 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2903/2.2, allocations: 11.54 MB / 0.8744 GB, free: 216.3 MB / 0.5137 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.571e-05/2.2, allocations: 18.59 kB / 0.8745 GB, free: 216.3 MB / 0.5137 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.891e-05/2.2, allocations: 13.92 kB / 0.8745 GB, free: 216.3 MB / 0.5137 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.05377/2.254, allocations: 27.1 MB / 0.9009 GB, free: 207.3 MB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.195e-05/2.254, allocations: 3.797 kB / 0.9009 GB, free: 207.3 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.004094/2.258, allocations: 0.7567 MB / 0.9017 GB, free: 207.2 MB / 0.5137 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01643/2.275, allocations: 5.314 MB / 0.9069 GB, free: 205.6 MB / 0.5137 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.001411/2.276, allocations: 135 kB / 0.907 GB, free: 205.6 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0294/2.306, allocations: 26.43 MB / 0.9328 GB, free: 178.9 MB / 0.5137 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.001638/2.307, allocations: 2.975 MB / 0.9357 GB, free: 175.6 MB / 0.5137 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.03005/2.337, allocations: 19.02 MB / 0.9543 GB, free: 156.9 MB / 0.5137 GB Notification: Performance of postOpt removeConstants (simulation): time 0.004148/2.341, allocations: 1.498 MB / 0.9558 GB, free: 155.7 MB / 0.5137 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001964/2.343, allocations: 87.98 kB / 0.9558 GB, free: 155.6 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004943/2.348, allocations: 359.1 kB / 0.9562 GB, free: 155.3 MB / 0.5137 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001012/2.349, allocations: 293.2 kB / 0.9565 GB, free: 155 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003546/2.35, allocations: 135.9 kB / 0.9566 GB, free: 154.9 MB / 0.5137 GB Notification: Performance of sorting global known variables: time 0.007271/2.357, allocations: 4.766 MB / 0.9612 GB, free: 150.1 MB / 0.5137 GB Notification: Performance of sort global known variables: time 4.2e-07/2.357, allocations: 0 / 0.9612 GB, free: 150.1 MB / 0.5137 GB Notification: Performance of remove unused functions: time 0.01182/2.369, allocations: 2.286 MB / 0.9635 GB, free: 147.9 MB / 0.5137 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 11 * Number of states: 16 ($STATESET2.x[3],$STATESET2.x[2],$STATESET2.x[1],bodyCylinder1.body.w_a[1],bodyCylinder1.body.w_a[2],bodyCylinder1.body.w_a[3],revolute.phi,revolute.w,$STATESET1.x[3],$STATESET1.x[2],$STATESET1.x[1],rotor1D.phi,rotor1D.w,rotor1D.rotorWith3DEffects.w_a[1],rotor1D.rotorWith3DEffects.w_a[2],rotor1D.rotorWith3DEffects.w_a[3]) * 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 (245): * Single equations (assignments): 235 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 4 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 2 systems {(4,100.0%), (4,100.0%)} * Non-linear Jacobian (size): 2 systems {4, 4} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(6,33,91.7%), (3,33,100.0%), (1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.001243/2.37, allocations: 213.8 kB / 0.9637 GB, free: 147.7 MB / 0.5137 GB Notification: Performance of simCode: created initialization part: time 0.01974/2.39, allocations: 14.05 MB / 0.9774 GB, free: 133.6 MB / 0.5137 GB Notification: Performance of simCode: created event and clocks part: time 8.716e-06/2.39, allocations: 4 kB / 0.9774 GB, free: 133.6 MB / 0.5137 GB Notification: Performance of simCode: created simulation system equations: time 0.008112/2.398, allocations: 5.936 MB / 0.9832 GB, free: 127.6 MB / 0.5137 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01247/2.411, allocations: 0.9299 MB / 0.9841 GB, free: 126.7 MB / 0.5137 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03597/2.447, allocations: 23.47 MB / 1.007 GB, free: 103.3 MB / 0.5137 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.007216/2.454, allocations: 5.36 MB / 1.012 GB, free: 97.9 MB / 0.5137 GB Notification: Performance of simCode: alias equations: time 0.008177/2.462, allocations: 3.209 MB / 1.015 GB, free: 94.68 MB / 0.5137 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002258/2.464, allocations: 0.5537 MB / 1.016 GB, free: 94.13 MB / 0.5137 GB Notification: Performance of SimCode: time 1.362e-06/2.464, allocations: 0 / 1.016 GB, free: 94.13 MB / 0.5137 GB Notification: Performance of Templates: time 0.4142/2.879, allocations: 113.2 MB / 1.127 GB, free: 195 MB / 0.5137 GB make -j1 -f Modelica_3.2.1_Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects.makefile (rm -f Modelica_3.2.1_Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects.pipe ; mkfifo Modelica_3.2.1_Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects.pipe ; head -c 1048576 < Modelica_3.2.1_Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects.pipe >> ../files/Modelica_3.2.1_Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects.sim & ./Modelica_3.2.1_Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects -abortSlowSimulation -alarm=480 -lv LOG_STATS > Modelica_3.2.1_Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects.pipe 2>&1)