Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr OpenIPSL_2.0.0_OpenIPSL.Tests.ThreePhase.IEEE4_MonoTri.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_Synchronous 0.93.0-master/package.mo", uses=false)
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/Modelica 3.2.3+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/OpenIPSL 2.0.0/package.mo", uses=false)
Using package OpenIPSL with version 2.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 2.0.0/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 Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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)
Using package Modelica_Synchronous with version 0.93.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_Synchronous 0.93.0-master/package.mo)
Running command: "" <> buildModelFMU(OpenIPSL.Tests.ThreePhase.IEEE4_MonoTri,fileNamePrefix="OpenIPSL_2_0_0_OpenIPSL_Tests_ThreePhase_IEEE4_MonoTri",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(OpenIPSL.Tests.ThreePhase.IEEE4_MonoTri,fileNamePrefix="OpenIPSL_2_0_0_OpenIPSL_Tests_ThreePhase_IEEE4_MonoTri",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_Synchronous 0.93.0-master/package.mo): time 0.08231/0.08231, allocations: 12.6 MB / 28.24 MB, free: 84 kB / 19.63 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001031/0.001031, allocations: 111.4 kB / 31.83 MB, free: 3.414 MB / 26.18 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.27/1.27, allocations: 205.1 MB / 240.4 MB, free: 12.37 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001288/0.001288, allocations: 183.4 kB / 290.7 MB, free: 13.38 MB / 238.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 2.0.0/package.mo): time 0.4104/0.4104, allocations: 78.52 MB / 419.3 MB, free: 11.23 MB / 302.1 MB
Notification: Modelica_Synchronous 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: 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: OpenIPSL 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: Performance of FrontEnd - loaded program: time 0.002495/0.002495, allocations: 135 kB / 0.5553 GB, free: 28.73 MB / 398.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1136/0.1161, allocations: 68.13 MB / 0.6219 GB, free: 15.96 MB / 446.1 MB
Notification: Performance of NFInst.instantiate(OpenIPSL.Tests.ThreePhase.IEEE4_MonoTri): time 0.005244/0.1214, allocations: 4.937 MB / 0.6267 GB, free: 10.99 MB / 446.1 MB
Notification: Performance of NFInst.instExpressions: time 0.0157/0.1371, allocations: 13.09 MB / 0.6395 GB, free: 13.85 MB / 462.1 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0008198/0.138, allocations: 8 kB / 0.6395 GB, free: 13.84 MB / 462.1 MB
Notification: Performance of NFTyping.typeComponents: time 0.0006955/0.1387, allocations: 162.6 kB / 0.6396 GB, free: 13.68 MB / 462.1 MB
Notification: Performance of NFTyping.typeBindings: time 0.02085/0.1596, allocations: 18.18 MB / 0.6574 GB, free: 11.47 MB / 478.1 MB
Notification: Performance of NFTyping.typeClassSections: time 0.001092/0.1607, allocations: 494.3 kB / 0.6579 GB, free: 10.99 MB / 478.1 MB
Notification: Performance of NFFlatten.flatten: time 0.001233/0.1619, allocations: 1.227 MB / 0.6591 GB, free: 9.754 MB / 478.1 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.0003934/0.1623, allocations: 303.5 kB / 0.6594 GB, free: 9.441 MB / 478.1 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.0005043/0.1629, allocations: 0.5643 MB / 0.6599 GB, free: 8.875 MB / 478.1 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.001014/0.1639, allocations: 1.048 MB / 0.6609 GB, free: 7.824 MB / 478.1 MB
Notification: Performance of NFPackage.collectConstants: time 0.0002191/0.1641, allocations: 152 kB / 0.6611 GB, free: 7.676 MB / 478.1 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.02317/0.1873, allocations: 20.22 MB / 0.6808 GB, free: 3.406 MB / 494.1 MB
Notification: Performance of NFScalarize.scalarize: time 0.0004879/0.1878, allocations: 0.5336 MB / 0.6813 GB, free: 2.871 MB / 494.1 MB
Notification: Performance of NFVerifyModel.verify: time 0.0007247/0.1885, allocations: 0.7963 MB / 0.6821 GB, free: 2.07 MB / 494.1 MB
Notification: Performance of NFConvertDAE.convert: time 0.01408/0.2026, allocations: 10.61 MB / 0.6925 GB, free: 7.43 MB / 0.4981 GB
Notification: Performance of FrontEnd - DAE generated: time 4.439e-06/0.2026, allocations: 0 / 0.6925 GB, free: 7.43 MB / 0.4981 GB
Notification: Performance of FrontEnd: time 2.054e-06/0.2027, allocations: 0 / 0.6925 GB, free: 7.43 MB / 0.4981 GB
Notification: Performance of Transformations before backend: time 1.938e-05/0.2027, allocations: 0 / 0.6925 GB, free: 7.43 MB / 0.4981 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 185
 * Number of variables: 185
Notification: Performance of Generate backend data structure: time 0.005961/0.2086, allocations: 3.471 MB / 0.6959 GB, free: 3.887 MB / 0.4981 GB
Notification: Performance of prepare preOptimizeDAE: time 3.921e-05/0.2087, allocations: 19.98 kB / 0.6959 GB, free: 3.867 MB / 0.4981 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001408/0.2088, allocations: 118.6 kB / 0.696 GB, free: 3.742 MB / 0.4981 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00105/0.2099, allocations: 287.7 kB / 0.6963 GB, free: 3.461 MB / 0.4981 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.002667/0.2126, allocations: 2.669 MB / 0.6989 GB, free: 0.7422 MB / 0.4981 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.492e-05/0.2127, allocations: 79.02 kB / 0.699 GB, free: 0.6562 MB / 0.4981 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001238/0.2128, allocations: 63.98 kB / 0.699 GB, free: 0.5938 MB / 0.4981 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.001833/0.2146, allocations: 1.365 MB / 0.7004 GB, free: 15.22 MB / 0.5137 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.604e-05/0.2147, allocations: 0 / 0.7004 GB, free: 15.22 MB / 0.5137 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.582e-05/0.2148, allocations: 24 kB / 0.7004 GB, free: 15.2 MB / 0.5137 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.983e-05/0.2149, allocations: 73.97 kB / 0.7004 GB, free: 15.13 MB / 0.5137 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003413/0.2183, allocations: 2.358 MB / 0.7028 GB, free: 12.77 MB / 0.5137 GB
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 0.008305/0.2266, allocations: 6.399 MB / 0.709 GB, free: 6.047 MB / 0.5137 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.00612/0.2327, allocations: 2.18 MB / 0.7111 GB, free: 3.797 MB / 0.5137 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.00103/0.2338, allocations: 0.8264 MB / 0.7119 GB, free: 2.969 MB / 0.5137 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001019/0.2339, allocations: 12.55 kB / 0.7119 GB, free: 2.957 MB / 0.5137 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.383e-05/0.2339, allocations: 47.11 kB / 0.712 GB, free: 2.902 MB / 0.5137 GB
Notification: Performance of pre-optimization done (n=69): time 3.136e-06/0.2339, allocations: 0 / 0.712 GB, free: 2.902 MB / 0.5137 GB
Notification: Performance of matching and sorting (n=69): time 0.2865/0.5204, allocations: 6.595 MB / 0.7184 GB, free: 86.04 MB / 0.5137 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 2.736e-05/0.5205, allocations: 62.84 kB / 0.7185 GB, free: 85.97 MB / 0.5137 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004204/0.5247, allocations: 3.55 MB / 0.722 GB, free: 85.14 MB / 0.5137 GB
Notification: Performance of collectPreVariables (initialization): time 9.989e-05/0.5248, allocations: 35.86 kB / 0.722 GB, free: 85.1 MB / 0.5137 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0004248/0.5252, allocations: 0.6797 MB / 0.7227 GB, free: 84.64 MB / 0.5137 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0002094/0.5254, allocations: 246.3 kB / 0.7229 GB, free: 84.49 MB / 0.5137 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002934/0.5257, allocations: 138.1 kB / 0.723 GB, free: 84.42 MB / 0.5137 GB
Notification: Performance of setup shared object (initialization): time 5.755e-05/0.5258, allocations: 334 kB / 0.7233 GB, free: 84.11 MB / 0.5137 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.001058/0.5269, allocations: 0.7023 MB / 0.724 GB, free: 83.86 MB / 0.5137 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.001017/0.5279, allocations: 0.8383 MB / 0.7248 GB, free: 83.46 MB / 0.5137 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.002004/0.5299, allocations: 1.596 MB / 0.7264 GB, free: 82.72 MB / 0.5137 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.75e-06/0.5299, allocations: 1.094 kB / 0.7264 GB, free: 82.72 MB / 0.5137 GB
Notification: Performance of matching and sorting (n=90) (initialization): time 0.00426/0.5342, allocations: 2.586 MB / 0.7289 GB, free: 81.72 MB / 0.5137 GB
Notification: Performance of prepare postOptimizeDAE: time 2.532e-05/0.5342, allocations: 7.703 kB / 0.7289 GB, free: 81.72 MB / 0.5137 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.382e-05/0.5342, allocations: 7.219 kB / 0.7289 GB, free: 81.72 MB / 0.5137 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01155/0.5458, allocations: 4.316 MB / 0.7332 GB, free: 80.91 MB / 0.5137 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002927/0.5461, allocations: 73.16 kB / 0.7332 GB, free: 80.9 MB / 0.5137 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00493/0.5511, allocations: 3.197 MB / 0.7364 GB, free: 79.21 MB / 0.5137 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001062/0.5521, allocations: 110.7 kB / 0.7365 GB, free: 79.16 MB / 0.5137 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001061/0.5523, allocations: 31.2 kB / 0.7365 GB, free: 79.14 MB / 0.5137 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 17
 * 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 (44):
 * Single equations (assignments): 42
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 1
 * 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): 1 system
   {(2,100.0%)}
 * 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): 0 systems
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(25,19)}
Notification: Performance of prepare postOptimizeDAE: time 0.0005429/0.5528, allocations: 390.9 kB / 0.7369 GB, free: 78.92 MB / 0.5137 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003297/0.5531, allocations: 144.8 kB / 0.737 GB, free: 78.84 MB / 0.5137 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.009344/0.5625, allocations: 4.56 MB / 0.7415 GB, free: 76.18 MB / 0.5137 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.025e-05/0.5625, allocations: 17.19 kB / 0.7415 GB, free: 76.18 MB / 0.5137 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 7.854e-06/0.5626, allocations: 0 / 0.7415 GB, free: 76.18 MB / 0.5137 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.298e-06/0.5626, allocations: 3.984 kB / 0.7415 GB, free: 76.18 MB / 0.5137 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01017/0.5728, allocations: 5.879 MB / 0.7472 GB, free: 70.89 MB / 0.5137 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.812e-06/0.5728, allocations: 0 / 0.7472 GB, free: 70.89 MB / 0.5137 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001469/0.5729, allocations: 35.92 kB / 0.7473 GB, free: 70.86 MB / 0.5137 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01059/0.5835, allocations: 4.08 MB / 0.7512 GB, free: 66.77 MB / 0.5137 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001163/0.5837, allocations: 15.98 kB / 0.7513 GB, free: 66.75 MB / 0.5137 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004611/0.5883, allocations: 3.187 MB / 0.7544 GB, free: 63.55 MB / 0.5137 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.855e-06/0.5883, allocations: 7.922 kB / 0.7544 GB, free: 63.54 MB / 0.5137 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.007866/0.5962, allocations: 4.091 MB / 0.7584 GB, free: 59.42 MB / 0.5137 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0004683/0.5967, allocations: 322.6 kB / 0.7587 GB, free: 59.09 MB / 0.5137 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002885/0.597, allocations: 12.88 kB / 0.7587 GB, free: 59.08 MB / 0.5137 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008038/0.5978, allocations: 54.02 kB / 0.7587 GB, free: 59.03 MB / 0.5137 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002003/0.598, allocations: 56.47 kB / 0.7588 GB, free: 58.98 MB / 0.5137 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.454e-05/0.5981, allocations: 19.94 kB / 0.7588 GB, free: 58.96 MB / 0.5137 GB
Notification: Performance of sorting global known variables: time 0.002149/0.6002, allocations: 2.715 MB / 0.7615 GB, free: 56.24 MB / 0.5137 GB
Notification: Performance of sort global known variables: time 1.7e-07/0.6002, allocations: 4 kB / 0.7615 GB, free: 56.24 MB / 0.5137 GB
Notification: Performance of remove unused functions: time 0.002483/0.6027, allocations: 1.875 MB / 0.7633 GB, free: 54.89 MB / 0.5137 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 1
 * 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 simulation (23):
 * Single equations (assignments): 21
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 1
 * 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): 1 system
   {(2,100.0%)}
 * 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): 0 systems
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(25,19)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.01236/0.6151, allocations: 6.184 MB / 0.7693 GB, free: 48.9 MB / 0.5137 GB
Notification: Performance of simCode: created initialization part: time 0.004597/0.6197, allocations: 2.428 MB / 0.7717 GB, free: 46.46 MB / 0.5137 GB
Notification: Performance of simCode: created event and clocks part: time 3.427e-06/0.6197, allocations: 0 / 0.7717 GB, free: 46.46 MB / 0.5137 GB
Notification: Performance of simCode: created simulation system equations: time 0.003424/0.6232, allocations: 1.604 MB / 0.7733 GB, free: 44.85 MB / 0.5137 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0008536/0.624, allocations: 109.2 kB / 0.7734 GB, free: 44.74 MB / 0.5137 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03061/0.6547, allocations: 23.88 MB / 0.7967 GB, free: 20.63 MB / 0.5137 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004715/0.6552, allocations: 1.217 MB / 0.7979 GB, free: 19.38 MB / 0.5137 GB
Notification: Performance of simCode: alias equations: time 0.0003148/0.6555, allocations: 176.2 kB / 0.7981 GB, free: 19.21 MB / 0.5137 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004544/0.6559, allocations: 0.5383 MB / 0.7986 GB, free: 18.67 MB / 0.5137 GB
Notification: Performance of SimCode: time 4.81e-07/0.6559, allocations: 0 / 0.7986 GB, free: 18.67 MB / 0.5137 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.08347/0.7394, allocations: 56.92 MB / 0.8542 GB, free: 9.816 MB / 0.5606 GB
Notification: Performance of buildModelFMU: Generate platform static: time 13.17/13.91, allocations: 8.719 kB / 0.8542 GB, free: 9.809 MB / 0.5606 GB
(rm -f OpenIPSL_2.0.0_OpenIPSL.Tests.ThreePhase.IEEE4_MonoTri.pipe ; mkfifo OpenIPSL_2.0.0_OpenIPSL.Tests.ThreePhase.IEEE4_MonoTri.pipe ; head -c 1048576 < OpenIPSL_2.0.0_OpenIPSL.Tests.ThreePhase.IEEE4_MonoTri.pipe >> ../files/OpenIPSL_2.0.0_OpenIPSL.Tests.ThreePhase.IEEE4_MonoTri.sim & python3 -m fmpy simulate  --output-file OpenIPSL_2.0.0_OpenIPSL.Tests.ThreePhase.IEEE4_MonoTri_res.csv --start-time 0 --stop-time 0.1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0002 OpenIPSL_2_0_0_OpenIPSL_Tests_ThreePhase_IEEE4_MonoTri.fmu > OpenIPSL_2.0.0_OpenIPSL.Tests.ThreePhase.IEEE4_MonoTri.pipe 2>&1)