Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.BoundaryConditions.Examples.StrobeInfoManager_offset.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/package.mo", uses=false)
Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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.BoundaryConditions.Examples.StrobeInfoManager_offset,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.BoundaryConditions.Examples.StrobeInfoManager_offset")
translateModel(IDEAS.BoundaryConditions.Examples.StrobeInfoManager_offset,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.BoundaryConditions.Examples.StrobeInfoManager_offset")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001204/0.001204, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001208/0.001208, allocations: 192 kB / 16.53 MB, free: 6.391 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.25/1.25, allocations: 222.9 MB / 240.2 MB, free: 4.375 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7042/0.7042, allocations: 132.2 MB / 422.6 MB, free: 1.727 MB / 350.1 MB
Warning: Ignoring unknown experiment annotation option: __Dymola_Algorithm = "Lsodar"
Notification: Performance of FrontEnd - loaded program: time 0.001166/0.001166, allocations: 63.8 kB / 0.5018 GB, free: 3.832 MB / 366.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3575/0.3587, allocations: 80.21 MB / 0.5801 GB, free: 4.516 MB / 430.1 MB
Notification: Performance of NFInst.instantiate(IDEAS.BoundaryConditions.Examples.StrobeInfoManager_offset): time 0.003948/0.3627, allocations: 2.846 MB / 0.5829 GB, free: 2.48 MB / 430.1 MB
Notification: Performance of NFInst.instExpressions: time 0.003597/0.3663, allocations: 2.468 MB / 0.5853 GB, free: 0.7422 MB / 430.1 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0005585/0.3669, allocations: 14.16 kB / 0.5853 GB, free: 0.7344 MB / 430.1 MB
Notification: Performance of NFTyping.typeComponents: time 0.0005588/0.3675, allocations: 175.1 kB / 0.5854 GB, free: 0.6445 MB / 430.1 MB
Notification: Performance of NFTyping.typeBindings: time 0.0008179/0.3683, allocations: 292.4 kB / 0.5857 GB, free: 468 kB / 430.1 MB
Notification: Performance of NFTyping.typeClassSections: time 0.001264/0.3696, allocations: 0.5776 MB / 0.5863 GB, free: 164 kB / 430.1 MB
Notification: Performance of NFFlatten.flatten: time 0.001633/0.3713, allocations: 1.46 MB / 0.5877 GB, free: 15.45 MB / 446.1 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.0005844/0.3719, allocations: 484.9 kB / 0.5882 GB, free: 15.25 MB / 446.1 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.0007689/0.3726, allocations: 0.5326 MB / 0.5887 GB, free: 15 MB / 446.1 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.000863/0.3735, allocations: 0.5652 MB / 0.5893 GB, free: 14.72 MB / 446.1 MB
Notification: Performance of NFPackage.collectConstants: time 0.0003666/0.3739, allocations: 134.4 kB / 0.5894 GB, free: 14.72 MB / 446.1 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.0004661/0.3744, allocations: 200 kB / 0.5896 GB, free: 14.7 MB / 446.1 MB
Notification: Performance of NFScalarize.scalarize: time 0.0004585/0.3748, allocations: 0.4896 MB / 0.59 GB, free: 14.45 MB / 446.1 MB
Notification: Performance of NFVerifyModel.verify: time 0.0005831/0.3754, allocations: 0.6427 MB / 0.5907 GB, free: 13.98 MB / 446.1 MB
Notification: Performance of NFConvertDAE.convert: time 0.001706/0.3771, allocations: 1.726 MB / 0.5924 GB, free: 13.27 MB / 446.1 MB
Notification: Performance of FrontEnd - DAE generated: time 4.739e-06/0.3771, allocations: 5.062 kB / 0.5924 GB, free: 13.26 MB / 446.1 MB
Notification: Performance of FrontEnd: time 1.322e-06/0.3772, allocations: 0 / 0.5924 GB, free: 13.26 MB / 446.1 MB
Notification: Performance of Transformations before backend: time 3.538e-05/0.3772, allocations: 0 / 0.5924 GB, free: 13.26 MB / 446.1 MB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 204
 * Number of variables: 204
Notification: Performance of Generate backend data structure: time 0.002983/0.3802, allocations: 1.605 MB / 0.5939 GB, free: 12.17 MB / 446.1 MB
Notification: Performance of prepare preOptimizeDAE: time 3.567e-05/0.3802, allocations: 10.36 kB / 0.5939 GB, free: 12.17 MB / 446.1 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003044/0.3805, allocations: 146.4 kB / 0.5941 GB, free: 12.09 MB / 446.1 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.001534/0.3821, allocations: 1.149 MB / 0.5952 GB, free: 11.24 MB / 446.1 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.762e-05/0.3821, allocations: 66.95 kB / 0.5953 GB, free: 11.21 MB / 446.1 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001198/0.3823, allocations: 81 kB / 0.5953 GB, free: 11.18 MB / 446.1 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.001818/0.3841, allocations: 1.409 MB / 0.5967 GB, free: 10.07 MB / 446.1 MB
Notification: Performance of preOpt findStateOrder (simulation): time 2.213e-05/0.3841, allocations: 7.938 kB / 0.5967 GB, free: 10.07 MB / 446.1 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.64e-05/0.3842, allocations: 36.44 kB / 0.5968 GB, free: 10.05 MB / 446.1 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.048e-05/0.3842, allocations: 23.59 kB / 0.5968 GB, free: 10.05 MB / 446.1 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002071/0.3863, allocations: 1.516 MB / 0.5983 GB, free: 9.352 MB / 446.1 MB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.004575/0.3909, allocations: 6.264 MB / 0.6044 GB, free: 3.57 MB / 446.1 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.002451/0.3934, allocations: 1.394 MB / 0.6057 GB, free: 2.852 MB / 446.1 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0006518/0.394, allocations: 431.4 kB / 0.6062 GB, free: 2.605 MB / 446.1 MB
Notification: Performance of preOpt evalFunc (simulation): time 8.577e-05/0.3941, allocations: 58.69 kB / 0.6062 GB, free: 2.578 MB / 446.1 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001098/0.3952, allocations: 0.6937 MB / 0.6069 GB, free: 2.121 MB / 446.1 MB
Notification: Performance of pre-optimization done (n=98): time 2.715e-06/0.3953, allocations: 0 / 0.6069 GB, free: 2.121 MB / 446.1 MB
Notification: Performance of matching and sorting (n=98): time 0.002748/0.398, allocations: 1.563 MB / 0.6084 GB, free: 1.453 MB / 446.1 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001477/0.3982, allocations: 397.2 kB / 0.6088 GB, free: 0.9844 MB / 446.1 MB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001336/0.3995, allocations: 1.151 MB / 0.6099 GB, free: 356 kB / 446.1 MB
Notification: Performance of collectPreVariables (initialization): time 9.501e-05/0.3996, allocations: 70.47 kB / 0.61 GB, free: 296 kB / 446.1 MB
Notification: Performance of collectInitialEqns (initialization): time 0.0004237/0.4, allocations: 0.5989 MB / 0.6106 GB, free: 15.76 MB / 462.1 MB
Notification: Performance of collectInitialBindings (initialization): time 0.0002402/0.4003, allocations: 346.2 kB / 0.6109 GB, free: 15.48 MB / 462.1 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000286/0.4006, allocations: 234.6 kB / 0.6111 GB, free: 15.35 MB / 462.1 MB
Notification: Performance of setup shared object (initialization): time 0.0001185/0.4007, allocations: 355.6 kB / 0.6115 GB, free: 15.01 MB / 462.1 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006956/0.4014, allocations: 451.3 kB / 0.6119 GB, free: 14.79 MB / 462.1 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009467/0.4024, allocations: 0.8785 MB / 0.6128 GB, free: 14 MB / 462.1 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.001702/0.4041, allocations: 1.379 MB / 0.6141 GB, free: 12.98 MB / 462.1 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.925e-06/0.4041, allocations: 4.375 kB / 0.6141 GB, free: 12.98 MB / 462.1 MB
Notification: Performance of matching and sorting (n=155) (initialization): time 0.002443/0.4065, allocations: 1.66 MB / 0.6157 GB, free: 11.86 MB / 462.1 MB
Notification: Performance of prepare postOptimizeDAE: time 2.359e-05/0.4066, allocations: 12 kB / 0.6157 GB, free: 11.84 MB / 462.1 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.637e-05/0.4066, allocations: 15.94 kB / 0.6158 GB, free: 11.83 MB / 462.1 MB
Notification: Performance of postOpt tearingSystem (initialization): time 2.812e-05/0.4066, allocations: 23.94 kB / 0.6158 GB, free: 11.8 MB / 462.1 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007077/0.4073, allocations: 287.5 kB / 0.616 GB, free: 11.52 MB / 462.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.58e-05/0.4074, allocations: 27.92 kB / 0.6161 GB, free: 11.5 MB / 462.1 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005001/0.4079, allocations: 122.8 kB / 0.6162 GB, free: 11.38 MB / 462.1 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.793e-05/0.408, allocations: 68.14 kB / 0.6163 GB, free: 11.31 MB / 462.1 MB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 57
 * Number of states: 0 ()
 * Number of discrete variables: 35 ($PRE.strobe.tabQCon.nextTimeEvent,$whenCondition7,strobe.tabQCon.nextTimeEventScaled,$PRE.strobe.tabQCon.nextTimeEventScaled,strobe.tabQCon.nextTimeEvent,$PRE.strobe.tabQRad.nextTimeEvent,$whenCondition6,strobe.tabQRad.nextTimeEventScaled,$PRE.strobe.tabQRad.nextTimeEventScaled,strobe.tabQRad.nextTimeEvent,$PRE.strobe.tabTSet.nextTimeEvent,$whenCondition5,strobe.tabTSet.nextTimeEventScaled,$PRE.strobe.tabTSet.nextTimeEventScaled,strobe.tabTSet.nextTimeEvent,$PRE.strobe.tabP.nextTimeEvent,$whenCondition4,strobe.tabP.nextTimeEventScaled,$PRE.strobe.tabP.nextTimeEventScaled,strobe.tabP.nextTimeEvent,$PRE.strobe.tabQ.nextTimeEvent,$whenCondition3,strobe.tabQ.nextTimeEventScaled,$PRE.strobe.tabQ.nextTimeEventScaled,strobe.tabQ.nextTimeEvent,$PRE.strobe.tabDHW.nextTimeEvent,$whenCondition2,strobe.tabDHW.nextTimeEventScaled,$PRE.strobe.tabDHW.nextTimeEventScaled,strobe.tabDHW.nextTimeEvent,$PRE.strobe.tabTSet2.nextTimeEvent,$whenCondition1,strobe.tabTSet2.nextTimeEventScaled,$PRE.strobe.tabTSet2.nextTimeEventScaled,strobe.tabTSet2.nextTimeEvent)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (155):
 * Single equations (assignments): 155
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Performance of prepare postOptimizeDAE: time 0.0005776/0.4086, allocations: 468 kB / 0.6167 GB, free: 10.85 MB / 462.1 MB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002489/0.4088, allocations: 130.4 kB / 0.6168 GB, free: 10.72 MB / 462.1 MB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0003274/0.4092, allocations: 181.6 kB / 0.617 GB, free: 10.54 MB / 462.1 MB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.551e-05/0.4092, allocations: 12 kB / 0.617 GB, free: 10.52 MB / 462.1 MB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.444e-05/0.4092, allocations: 0 / 0.617 GB, free: 10.52 MB / 462.1 MB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.171e-05/0.4092, allocations: 11.97 kB / 0.617 GB, free: 10.51 MB / 462.1 MB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001183/0.4104, allocations: 1.094 MB / 0.6181 GB, free: 9.371 MB / 462.1 MB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.258e-06/0.4104, allocations: 4 kB / 0.6181 GB, free: 9.367 MB / 462.1 MB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003767/0.4108, allocations: 155.8 kB / 0.6182 GB, free: 9.215 MB / 462.1 MB
Notification: Performance of postOpt tearingSystem (simulation): time 7.865e-06/0.4108, allocations: 4 kB / 0.6182 GB, free: 9.211 MB / 462.1 MB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.848e-05/0.4109, allocations: 51.83 kB / 0.6183 GB, free: 9.16 MB / 462.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 7.274e-06/0.4109, allocations: 7.984 kB / 0.6183 GB, free: 9.152 MB / 462.1 MB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.848e-06/0.4109, allocations: 7.938 kB / 0.6183 GB, free: 9.145 MB / 462.1 MB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001945/0.4129, allocations: 1.3 MB / 0.6196 GB, free: 7.805 MB / 462.1 MB
Notification: Performance of postOpt removeConstants (simulation): time 0.0001542/0.413, allocations: 191.4 kB / 0.6198 GB, free: 7.598 MB / 462.1 MB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001907/0.4132, allocations: 59.92 kB / 0.6198 GB, free: 7.539 MB / 462.1 MB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002759/0.4135, allocations: 27.98 kB / 0.6198 GB, free: 7.512 MB / 462.1 MB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001381/0.4136, allocations: 83.89 kB / 0.6199 GB, free: 7.43 MB / 462.1 MB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.431e-05/0.4137, allocations: 55.95 kB / 0.62 GB, free: 7.375 MB / 462.1 MB
Notification: Performance of sorting global known variables: time 0.000956/0.4147, allocations: 0.7868 MB / 0.6208 GB, free: 6.582 MB / 462.1 MB
Notification: Performance of sort global known variables: time 1.5e-07/0.4147, allocations: 0 / 0.6208 GB, free: 6.582 MB / 462.1 MB
Notification: Performance of remove unused functions: time 0.0009088/0.4156, allocations: 251.6 kB / 0.621 GB, free: 6.336 MB / 462.1 MB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 7
 * Number of states: 0 ()
 * Number of discrete variables: 21 ($whenCondition7,strobe.tabQCon.nextTimeEvent,strobe.tabQCon.nextTimeEventScaled,$whenCondition6,strobe.tabQRad.nextTimeEvent,strobe.tabQRad.nextTimeEventScaled,$whenCondition5,strobe.tabTSet.nextTimeEvent,strobe.tabTSet.nextTimeEventScaled,$whenCondition4,strobe.tabP.nextTimeEvent,strobe.tabP.nextTimeEventScaled,$whenCondition3,strobe.tabQ.nextTimeEvent,strobe.tabQ.nextTimeEventScaled,$whenCondition2,strobe.tabDHW.nextTimeEvent,strobe.tabDHW.nextTimeEventScaled,$whenCondition1,strobe.tabTSet2.nextTimeEvent,strobe.tabTSet2.nextTimeEventScaled)
 * Number of discrete states: 14 (strobe.tabTSet2.nextTimeEventScaled,strobe.tabTSet2.nextTimeEvent,strobe.tabDHW.nextTimeEventScaled,strobe.tabDHW.nextTimeEvent,strobe.tabQ.nextTimeEventScaled,strobe.tabQ.nextTimeEvent,strobe.tabP.nextTimeEventScaled,strobe.tabP.nextTimeEvent,strobe.tabTSet.nextTimeEventScaled,strobe.tabTSet.nextTimeEvent,strobe.tabQRad.nextTimeEventScaled,strobe.tabQRad.nextTimeEvent,strobe.tabQCon.nextTimeEventScaled,strobe.tabQCon.nextTimeEvent)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (98):
 * Single equations (assignments): 84
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 14
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Performance of Backend phase and start with SimCode phase: time 0.001207/0.4168, allocations: 0.518 MB / 0.6215 GB, free: 6.023 MB / 462.1 MB
Notification: Performance of simCode: created initialization part: time 0.002198/0.419, allocations: 1.205 MB / 0.6227 GB, free: 4.824 MB / 462.1 MB
Notification: Performance of simCode: created event and clocks part: time 4.077e-06/0.4191, allocations: 1.625 kB / 0.6227 GB, free: 4.824 MB / 462.1 MB
Notification: Performance of simCode: created simulation system equations: time 0.0008035/0.4199, allocations: 483 kB / 0.6231 GB, free: 4.355 MB / 462.1 MB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001353/0.4212, allocations: 258.6 kB / 0.6234 GB, free: 4.113 MB / 462.1 MB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003788/0.425, allocations: 2.244 MB / 0.6256 GB, free: 1.828 MB / 462.1 MB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008859/0.4259, allocations: 1.19 MB / 0.6267 GB, free: 0.6055 MB / 462.1 MB
Notification: Performance of simCode: alias equations: time 0.001083/0.427, allocations: 453.7 kB / 0.6272 GB, free: 164 kB / 462.1 MB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004322/0.4275, allocations: 179.4 kB / 0.6273 GB, free: 15.98 MB / 478.1 MB
Notification: Performance of SimCode: time 7.32e-07/0.4275, allocations: 0 / 0.6273 GB, free: 15.98 MB / 478.1 MB
Notification: Performance of Templates: time 0.02394/0.4514, allocations: 15.29 MB / 0.6423 GB, free: 0.8555 MB / 478.1 MB
make -j1 -f IDEAS_IDEAS.BoundaryConditions.Examples.StrobeInfoManager_offset.makefile
(rm -f IDEAS_IDEAS.BoundaryConditions.Examples.StrobeInfoManager_offset.pipe ; mkfifo IDEAS_IDEAS.BoundaryConditions.Examples.StrobeInfoManager_offset.pipe ; head -c 1048576 < IDEAS_IDEAS.BoundaryConditions.Examples.StrobeInfoManager_offset.pipe >> ../files/IDEAS_IDEAS.BoundaryConditions.Examples.StrobeInfoManager_offset.sim & ./IDEAS_IDEAS.BoundaryConditions.Examples.StrobeInfoManager_offset  -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_IDEAS.BoundaryConditions.Examples.StrobeInfoManager_offset.pipe 2>&1)