Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.HeatPumps.Calibration.ScrollWaterToWater.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/IDEAS 3.0.0-master/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-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) Running command: translateModel(IDEAS.Fluid.HeatPumps.Calibration.ScrollWaterToWater,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.HeatPumps.Calibration.ScrollWaterToWater") translateModel(IDEAS.Fluid.HeatPumps.Calibration.ScrollWaterToWater,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.HeatPumps.Calibration.ScrollWaterToWater") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001074/0.001074, allocations: 119.4 kB / 16.37 MB, free: 5.984 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001133/0.001133, allocations: 193.5 kB / 17.31 MB, free: 5.602 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.263/1.263, allocations: 222.9 MB / 241 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.7936/0.7936, allocations: 135.1 MB / 426.3 MB, free: 4.133 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001347/0.001347, allocations: 67.88 kB / 0.5068 GB, free: 7.664 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3298/0.3311, allocations: 80.9 MB / 0.5858 GB, free: 25.58 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.HeatPumps.Calibration.ScrollWaterToWater): time 0.1032/0.4344, allocations: 126.1 MB / 0.7089 GB, free: 12.09 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.02083/0.4552, allocations: 15.4 MB / 0.724 GB, free: 12.64 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002484/0.4577, allocations: 75.56 kB / 0.724 GB, free: 12.57 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.002474/0.4602, allocations: 0.9548 MB / 0.725 GB, free: 11.61 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.006793/0.4671, allocations: 2.619 MB / 0.7275 GB, free: 8.984 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.004971/0.4721, allocations: 2.125 MB / 0.7296 GB, free: 6.883 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.005541/0.4776, allocations: 4.794 MB / 0.7343 GB, free: 2.074 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002316/0.4799, allocations: 1.705 MB / 0.7359 GB, free: 348 kB / 0.5606 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004479/0.4844, allocations: 1.825 MB / 0.7377 GB, free: 14.51 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003147/0.4876, allocations: 1.338 MB / 0.739 GB, free: 13.17 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.000401/0.488, allocations: 204 kB / 0.7392 GB, free: 12.97 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003961/0.492, allocations: 2.052 MB / 0.7412 GB, free: 10.92 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.0004762/0.4925, allocations: 0.4944 MB / 0.7417 GB, free: 10.42 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.001243/0.4937, allocations: 1.077 MB / 0.7428 GB, free: 9.34 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.004939/0.4987, allocations: 3.701 MB / 0.7464 GB, free: 5.633 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 4.689e-06/0.4987, allocations: 0 / 0.7464 GB, free: 5.633 MB / 0.5762 GB Notification: Performance of FrontEnd: time 3.086e-06/0.4987, allocations: 0 / 0.7464 GB, free: 5.633 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 2.592e-05/0.4987, allocations: 3.938 kB / 0.7464 GB, free: 5.629 MB / 0.5762 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 312 * Number of variables: 312 Notification: Performance of Generate backend data structure: time 0.004209/0.5029, allocations: 2.443 MB / 0.7488 GB, free: 3.113 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 4.025e-05/0.503, allocations: 13.11 kB / 0.7488 GB, free: 3.102 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005225/0.5082, allocations: 0.716 MB / 0.7495 GB, free: 2.383 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002768/0.511, allocations: 1.698 MB / 0.7511 GB, free: 0.6289 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000131/0.5112, allocations: 144.1 kB / 0.7513 GB, free: 492 kB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001784/0.5113, allocations: 124 kB / 0.7514 GB, free: 368 kB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.2967/0.808, allocations: 1.713 MB / 0.7531 GB, free: 160 MB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.703e-05/0.8081, allocations: 7.875 kB / 0.7531 GB, free: 160 MB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001339/0.8082, allocations: 55.02 kB / 0.7531 GB, free: 160 MB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.339e-05/0.8083, allocations: 39.48 kB / 0.7532 GB, free: 160 MB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004653/0.8129, allocations: 1.507 MB / 0.7546 GB, free: 159.5 MB / 0.5762 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 0.01015/0.8231, allocations: 7.535 MB / 0.762 GB, free: 154 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004243/0.8274, allocations: 1.158 MB / 0.7631 GB, free: 153.4 MB / 0.5762 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001945/0.8293, allocations: 0.5915 MB / 0.7637 GB, free: 153.1 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001055/0.8304, allocations: 1.275 MB / 0.765 GB, free: 151.7 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.002116/0.8325, allocations: 0.6962 MB / 0.7656 GB, free: 151.3 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=80): time 2.796e-06/0.8325, allocations: 0 / 0.7656 GB, free: 151.3 MB / 0.5762 GB Notification: Performance of matching and sorting (n=80): time 0.01587/0.8484, allocations: 3.17 MB / 0.7687 GB, free: 149.8 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.866e-05/0.8485, allocations: 139.8 kB / 0.7689 GB, free: 149.6 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001422/0.8499, allocations: 1.292 MB / 0.7701 GB, free: 148.9 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 0.0001167/0.8501, allocations: 49.62 kB / 0.7702 GB, free: 148.8 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004195/0.8505, allocations: 0.7223 MB / 0.7709 GB, free: 148.2 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001797/0.8507, allocations: 271 kB / 0.7711 GB, free: 148 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002916/0.851, allocations: 225.2 kB / 0.7713 GB, free: 147.9 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 5.978e-05/0.851, allocations: 343.3 kB / 0.7717 GB, free: 147.5 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001685/0.8527, allocations: 0.5282 MB / 0.7722 GB, free: 147.3 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001836/0.8546, allocations: 0.7994 MB / 0.773 GB, free: 146.7 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003401/0.858, allocations: 1.231 MB / 0.7742 GB, free: 145.9 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.678e-06/0.858, allocations: 3.5 kB / 0.7742 GB, free: 145.9 MB / 0.5762 GB Notification: Performance of matching and sorting (n=119) (initialization): time 0.004438/0.8624, allocations: 1.661 MB / 0.7758 GB, free: 144.9 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 1.786e-05/0.8625, allocations: 8 kB / 0.7758 GB, free: 144.9 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.035e-05/0.8625, allocations: 8 kB / 0.7758 GB, free: 144.9 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001688/0.8642, allocations: 0.5582 MB / 0.7764 GB, free: 144.4 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001188/0.8654, allocations: 249.8 kB / 0.7766 GB, free: 144.1 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001536/0.8669, allocations: 1.163 MB / 0.7777 GB, free: 143 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001545/0.8685, allocations: 186.8 kB / 0.7779 GB, free: 142.8 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001003/0.8686, allocations: 60.81 kB / 0.778 GB, free: 142.7 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002011/0.8706, allocations: 0.8336 MB / 0.7788 GB, free: 141.9 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00169/0.8723, allocations: 0.7905 MB / 0.7796 GB, free: 141 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003266/0.8756, allocations: 1.209 MB / 0.7807 GB, free: 139.7 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.627e-06/0.8756, allocations: 0 / 0.7807 GB, free: 139.7 MB / 0.5762 GB Notification: Performance of matching and sorting (n=119) (initialization_lambda0): time 0.004308/0.8799, allocations: 1.641 MB / 0.7823 GB, free: 138 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 1.513e-05/0.88, allocations: 8 kB / 0.7823 GB, free: 138 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.634e-06/0.88, allocations: 8.031 kB / 0.7824 GB, free: 138 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001627/0.8816, allocations: 0.5664 MB / 0.7829 GB, free: 137.5 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001174/0.8828, allocations: 247.5 kB / 0.7831 GB, free: 137.2 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001565/0.8844, allocations: 1.173 MB / 0.7843 GB, free: 136 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001691/0.8861, allocations: 164.1 kB / 0.7844 GB, free: 135.9 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.475e-05/0.8862, allocations: 55.94 kB / 0.7845 GB, free: 135.8 MB / 0.5762 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 27 * Number of states: 0 () * Number of discrete variables: 7 ($PRE.calDat.nextTimeEvent,$whenCondition1,heaPum.com.isOn,$PRE.heaPum.com.isOn,calDat.nextTimeEventScaled,$PRE.calDat.nextTimeEventScaled,calDat.nextTimeEvent) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (91): * Single equations (assignments): 90 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * 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): 1 system {(4,25)} Notification: Performance of prepare postOptimizeDAE: time 0.0003142/0.8865, allocations: 246.6 kB / 0.7847 GB, free: 135.6 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002463/0.8867, allocations: 154.2 kB / 0.7849 GB, free: 135.4 MB / 0.5762 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01099/0.8977, allocations: 2.118 MB / 0.7869 GB, free: 133.3 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.299e-05/0.8978, allocations: 8 kB / 0.787 GB, free: 133.3 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.222e-06/0.8978, allocations: 0 / 0.787 GB, free: 133.3 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.01044/0.9082, allocations: 1.953 MB / 0.7889 GB, free: 131.3 MB / 0.5762 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007004/0.9153, allocations: 3.645 MB / 0.7924 GB, free: 127.5 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.881e-06/0.9153, allocations: 4 kB / 0.7924 GB, free: 127.5 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009836/0.9163, allocations: 179.8 kB / 0.7926 GB, free: 127.3 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001608/0.9179, allocations: 0.5529 MB / 0.7931 GB, free: 126.8 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.555e-05/0.918, allocations: 35.94 kB / 0.7932 GB, free: 126.7 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001555/0.9196, allocations: 1.162 MB / 0.7943 GB, free: 125.5 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.795e-06/0.9196, allocations: 3.938 kB / 0.7943 GB, free: 125.5 MB / 0.5762 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004258/0.9238, allocations: 1.589 MB / 0.7959 GB, free: 123.9 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006603/0.9245, allocations: 378.9 kB / 0.7962 GB, free: 123.5 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000195/0.9247, allocations: 20 kB / 0.7962 GB, free: 123.5 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001421/0.9261, allocations: 115.8 kB / 0.7964 GB, free: 123.4 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.864e-05/0.9262, allocations: 60.52 kB / 0.7964 GB, free: 123.3 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.841e-05/0.9263, allocations: 55.92 kB / 0.7965 GB, free: 123.3 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.0009229/0.9273, allocations: 0.879 MB / 0.7973 GB, free: 122.4 MB / 0.5762 GB Notification: Performance of sort global known variables: time 2.2e-07/0.9273, allocations: 0 / 0.7973 GB, free: 122.4 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.001939/0.9292, allocations: 0.9598 MB / 0.7983 GB, free: 121.5 MB / 0.5762 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 0 () * Number of discrete variables: 4 ($whenCondition1,calDat.nextTimeEvent,calDat.nextTimeEventScaled,heaPum.com.isOn) * Number of discrete states: 3 (calDat.nextTimeEvent,heaPum.com.isOn,calDat.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (54): * Single equations (assignments): 49 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * 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): 1 system {(4,25)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001704/0.9309, allocations: 0.8983 MB / 0.7991 GB, free: 120.9 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.005875/0.9368, allocations: 2.025 MB / 0.8011 GB, free: 118.9 MB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 4.709e-06/0.9368, allocations: 7.781 kB / 0.8011 GB, free: 118.9 MB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.001897/0.9387, allocations: 0.6282 MB / 0.8017 GB, free: 118.2 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002735/0.9415, allocations: 0.7796 MB / 0.8025 GB, free: 117.5 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004544/0.946, allocations: 2.678 MB / 0.8051 GB, free: 114.8 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005201/0.9466, allocations: 1.255 MB / 0.8063 GB, free: 113.5 MB / 0.5762 GB Notification: Performance of simCode: alias equations: time 0.001312/0.9479, allocations: 367.9 kB / 0.8067 GB, free: 113.1 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002987/0.9482, allocations: 143.3 kB / 0.8068 GB, free: 113 MB / 0.5762 GB Notification: Performance of SimCode: time 6.11e-07/0.9482, allocations: 0 / 0.8068 GB, free: 113 MB / 0.5762 GB Notification: Performance of Templates: time 0.04728/0.9955, allocations: 40.01 MB / 0.8459 GB, free: 73.33 MB / 0.5762 GB make -j1 -f IDEAS_dev_IDEAS.Fluid.HeatPumps.Calibration.ScrollWaterToWater.makefile (rm -f IDEAS_dev_IDEAS.Fluid.HeatPumps.Calibration.ScrollWaterToWater.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.HeatPumps.Calibration.ScrollWaterToWater.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.HeatPumps.Calibration.ScrollWaterToWater.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.HeatPumps.Calibration.ScrollWaterToWater.sim & ./IDEAS_dev_IDEAS.Fluid.HeatPumps.Calibration.ScrollWaterToWater -abortSlowSimulation -alarm=480 -s cvode -lv LOG_STATS > IDEAS_dev_IDEAS.Fluid.HeatPumps.Calibration.ScrollWaterToWater.pipe 2>&1)